S73WS256ND0BAWT72 [SPANSION]
Stacked Multi-Chip Product (MCP); 堆叠式多芯片产品( MCP )型号: | S73WS256ND0BAWT72 |
厂家: | SPANSION |
描述: | Stacked Multi-Chip Product (MCP) |
文件: | 总251页 (文件大小:5244K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
S73WS256N Based MCPs
Stacked Multi-Chip Product (MCP)
512/256 Megabit (32M/16M x 16-bit) CMOS 1.8 Volt-only,
Simultaneous Read/Write, Burst Mode Flash Memory with
256/128 Megabit (4M/2M x 16-bit x 4 Banks) Mobile SDRAM
on Shared Data Bus
ADVANCE
INFORMATION
Data Sheet
1RWLFHꢀWRꢀ5HDGHUVꢁꢀ7KLVꢀGRFXPHQWꢀVWDWHVꢀWKHꢀFXUUHQWꢀWHFKQLFDOꢀVSHFLILFDWLRQV
UHJDUGLQJꢀWKHꢀ6SDQVLRQꢀSURGXFWꢁVꢂꢀGHVFULEHGꢀKHUHLQꢃꢀ(DFKꢀSURGXFWꢀGHVFULEHG
KHUHLQꢀPD\ꢀEHꢀGHVLJQDWHGꢀDVꢀ$GYDQFHꢀ,QIRUPDWLRQꢄꢀ3UHOLPLQDU\ꢄꢀRUꢀ)XOO
3URGXFWLRQꢃꢀ6HHꢀ³1RWLFHꢀ2Qꢀ'DWDꢀ6KHHWꢀ'HVLJQDWLRQV´ꢀꢀIRUꢀGHILQLWLRQVꢃ
Publication Number S73WS256N_00 Revision A Amendment 3 Issue Date December 16, 2005
A d v a n c e I n f o r m a t i o n
Notice On Data Sheet Designations
6SDQVLRQꢀ//&ꢀLVVXHVꢀGDWDꢀVKHHWVꢀZLWKꢀ$GYDQFHꢀ,QIRUPDWLRQꢀRUꢀ3UHOLPLQDU\ꢀGHVLJQDWLRQVꢀWRꢀDGYLVH
UHDGHUVꢀRIꢀSURGXFWꢀLQIRUPDWLRQꢀRUꢀLQWHQGHGꢀVSHFLILFDWLRQVꢀWKURXJKRXWꢀWKHꢀSURGXFWꢀOLIHꢀF\FOHꢄꢀLQFOXGꢅ
LQJꢀGHYHORSPHQWꢄꢀTXDOLILFDWLRQꢄꢀLQLWLDOꢀSURGXFWLRQꢄꢀDQGꢀIXOOꢀSURGXFWLRQꢃꢀ,QꢀDOOꢀFDVHVꢄꢀKRZHYHUꢄ
UHDGHUVꢀDUHꢀHQFRXUDJHGꢀWRꢀYHULI\ꢀWKDWꢀWKH\ꢀKDYHꢀWKHꢀODWHVWꢀLQIRUPDWLRQꢀEHIRUHꢀILQDOL]LQJꢀWKHLUꢀGHꢅ
VLJQꢃꢀ7KHꢀIROORZLQJꢀGHVFULSWLRQVꢀRIꢀ6SDQVLRQꢀGDWDꢀVKHHWꢀGHVLJQDWLRQVꢀDUHꢀSUHVHQWHGꢀKHUHꢀWR
KLJKOLJKWꢀWKHLUꢀSUHVHQFHꢀDQGꢀGHILQLWLRQVꢃ
$GYDQFHꢀ,QIRUPDWLRQ
7KHꢀ$GYDQFHꢀ,QIRUPDWLRQꢀGHVLJQDWLRQꢀLQGLFDWHVꢀWKDWꢀ6SDQVLRQꢀ//&ꢀLVꢀGHYHORSLQJꢀRQHꢀRUꢀPRUHꢀVSHꢅ
FLILFꢀSURGXFWVꢄꢀEXWꢀKDVꢀQRWꢀFRPPLWWHGꢀDQ\ꢀGHVLJQꢀWRꢀSURGXFWLRQꢃꢀ,QIRUPDWLRQꢀSUHVHQWHGꢀLQꢀD
GRFXPHQWꢀZLWKꢀWKLVꢀGHVLJQDWLRQꢀLVꢀOLNHO\ꢀWRꢀFKDQJHꢄꢀDQGꢀLQꢀVRPHꢀFDVHVꢄꢀGHYHORSPHQWꢀRQꢀWKHꢀSURGꢅ
XFWꢀPD\ꢀGLVFRQWLQXHꢃꢀ6SDQVLRQꢀ//&ꢀWKHUHIRUHꢀSODFHVꢀWKHꢀIROORZLQJꢀFRQGLWLRQVꢀXSRQꢀ$GYDQFH
,QIRUPDWLRQꢀFRQWHQWꢆ
³7KLVꢀGRFXPHQWꢀFRQWDLQVꢀLQIRUPDWLRQꢀRQꢀRQHꢀRUꢀPRUHꢀSURGXFWVꢀXQGHUꢀGHYHORSPHQWꢀDWꢀ6SDQVLRQꢀ//&ꢃꢀ7KH
LQIRUPDWLRQꢀLVꢀLQWHQGHGꢀWRꢀKHOSꢀ\RXꢀHYDOXDWHꢀWKLVꢀSURGXFWꢃꢀ'RꢀQRWꢀGHVLJQꢀLQꢀWKLVꢀSURGXFWꢀZLWKRXWꢀFRQꢅ
WDFWLQJꢀWKHꢀIDFWRU\ꢃꢀ6SDQVLRQꢀ//&ꢀUHVHUYHVꢀWKHꢀULJKWꢀWRꢀFKDQJHꢀRUꢀGLVFRQWLQXHꢀZRUNꢀRQꢀWKLVꢀSURSRVHG
SURGXFWꢀZLWKRXWꢀQRWLFHꢃ´
3UHOLPLQDU\
7KHꢀ3UHOLPLQDU\ꢀGHVLJQDWLRQꢀLQGLFDWHVꢀWKDWꢀWKHꢀSURGXFWꢀGHYHORSPHQWꢀKDVꢀSURJUHVVHGꢀVXFKꢀWKDWꢀD
FRPPLWPHQWꢀWRꢀSURGXFWLRQꢀKDVꢀWDNHQꢀSODFHꢃꢀ7KLVꢀGHVLJQDWLRQꢀFRYHUVꢀVHYHUDOꢀDVSHFWVꢀRIꢀWKHꢀSURGXFW
OLIHꢀF\FOHꢄꢀLQFOXGLQJꢀSURGXFWꢀTXDOLILFDWLRQꢄꢀLQLWLDOꢀSURGXFWLRQꢄꢀDQGꢀWKHꢀVXEVHTXHQWꢀSKDVHVꢀLQꢀWKH
PDQXIDFWXULQJꢀSURFHVVꢀWKDWꢀRFFXUꢀEHIRUHꢀIXOOꢀSURGXFWLRQꢀLVꢀDFKLHYHGꢃꢀ&KDQJHVꢀWRꢀWKHꢀWHFKQLFDO
VSHFLILFDWLRQVꢀSUHVHQWHGꢀLQꢀDꢀ3UHOLPLQDU\ꢀGRFXPHQWꢀVKRXOGꢀEHꢀH[SHFWHGꢀZKLOHꢀNHHSLQJꢀWKHVHꢀDVꢅ
SHFWVꢀRIꢀSURGXFWLRQꢀXQGHUꢀFRQVLGHUDWLRQꢃꢀ6SDQVLRQꢀSODFHVꢀWKHꢀIROORZLQJꢀFRQGLWLRQVꢀXSRQ
3UHOLPLQDU\ꢀFRQWHQWꢆ
³7KLVꢀGRFXPHQWꢀVWDWHVꢀWKHꢀFXUUHQWꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢀUHJDUGLQJꢀWKHꢀ6SDQVLRQꢀSURGXFWꢁVꢂꢀGHVFULEHG
KHUHLQꢃꢀ7KHꢀ3UHOLPLQDU\ꢀVWDWXVꢀRIꢀWKLVꢀGRFXPHQWꢀLQGLFDWHVꢀWKDWꢀSURGXFWꢀTXDOLILFDWLRQꢀKDVꢀEHHQꢀFRPSOHWHGꢄ
DQGꢀWKDWꢀLQLWLDOꢀSURGXFWLRQꢀKDVꢀEHJXQꢃꢀ'XHꢀWRꢀWKHꢀSKDVHVꢀRIꢀWKHꢀPDQXIDFWXULQJꢀSURFHVVꢀWKDWꢀUHTXLUH
PDLQWDLQLQJꢀHIILFLHQF\ꢀDQGꢀTXDOLW\ꢄꢀWKLVꢀGRFXPHQWꢀPD\ꢀEHꢀUHYLVHGꢀE\ꢀVXEVHTXHQWꢀYHUVLRQVꢀRUꢀPRGLILFDꢅ
WLRQVꢀGXHꢀWRꢀFKDQJHVꢀLQꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢃ´
&RPELQDWLRQ
6RPHꢀGDWDꢀVKHHWVꢀZLOOꢀFRQWDLQꢀDꢀFRPELQDWLRQꢀRIꢀSURGXFWVꢀZLWKꢀGLIIHUHQWꢀGHVLJQDWLRQVꢀꢁ$GYDQFHꢀ,Qꢅ
IRUPDWLRQꢄꢀ3UHOLPLQDU\ꢄꢀRUꢀ)XOOꢀ3URGXFWLRQꢂꢃꢀ7KLVꢀW\SHꢀRIꢀGRFXPHQWꢀZLOOꢀGLVWLQJXLVKꢀWKHVHꢀSURGXFWV
DQGꢀWKHLUꢀGHVLJQDWLRQVꢀZKHUHYHUꢀQHFHVVDU\ꢄꢀW\SLFDOO\ꢀRQꢀWKHꢀILUVWꢀSDJHꢄꢀWKHꢀRUGHULQJꢀLQIRUPDWLRQ
SDJHꢄꢀDQGꢀSDJHVꢀZLWKꢀWKHꢀ'&ꢀ&KDUDFWHULVWLFVꢀWDEOHꢀDQGꢀWKHꢀ$&ꢀ(UDVHꢀDQGꢀ3URJUDPꢀWDEOHꢀꢁLQꢀWKH
WDEOHꢀQRWHVꢂꢃꢀ7KHꢀGLVFODLPHUꢀRQꢀWKHꢀILUVWꢀSDJHꢀUHIHUVꢀWKHꢀUHDGHUꢀWRꢀWKHꢀQRWLFHꢀRQꢀWKLVꢀSDJHꢃ
)XOOꢀ3URGXFWLRQꢀꢂ1Rꢀ'HVLJQDWLRQꢀRQꢀ'RFXPHQWꢃ
:KHQꢀDꢀSURGXFWꢀKDVꢀEHHQꢀLQꢀSURGXFWLRQꢀIRUꢀDꢀSHULRGꢀRIꢀWLPHꢀVXFKꢀWKDWꢀQRꢀFKDQJHVꢀRUꢀRQO\ꢀQRPLQDO
FKDQJHVꢀDUHꢀH[SHFWHGꢄꢀWKHꢀ3UHOLPLQDU\ꢀGHVLJQDWLRQꢀLVꢀUHPRYHGꢀIURPꢀWKHꢀGDWDꢀVKHHWꢃꢀ1RPLQDO
FKDQJHVꢀPD\ꢀLQFOXGHꢀWKRVHꢀDIIHFWLQJꢀWKHꢀQXPEHUꢀRIꢀRUGHULQJꢀSDUWꢀQXPEHUVꢀDYDLODEOHꢄꢀVXFKꢀDVꢀWKH
DGGLWLRQꢀRUꢀGHOHWLRQꢀRIꢀDꢀVSHHGꢀRSWLRQꢄꢀWHPSHUDWXUHꢀUDQJHꢄꢀSDFNDJHꢀW\SHꢄꢀRUꢀ9,2ꢀUDQJHꢃꢀ&KDQJHV
PD\ꢀDOVRꢀLQFOXGHꢀWKRVHꢀQHHGHGꢀWRꢀFODULI\ꢀDꢀGHVFULSWLRQꢀRUꢀWRꢀFRUUHFWꢀDꢀW\SRJUDSKLFDOꢀHUURUꢀRUꢀLQFRUꢅ
UHFWꢀVSHFLILFDWLRQꢃꢀ6SDQVLRQꢀ//&ꢀDSSOLHVꢀWKHꢀIROORZLQJꢀFRQGLWLRQVꢀWRꢀGRFXPHQWVꢀLQꢀWKLVꢀFDWHJRU\ꢆ
³7KLVꢀGRFXPHQWꢀVWDWHVꢀWKHꢀFXUUHQWꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢀUHJDUGLQJꢀWKHꢀ6SDQVLRQꢀSURGXFWꢁVꢂꢀGHVFULEHG
KHUHLQꢃꢀ6SDQVLRQꢀ//&ꢀGHHPVꢀWKHꢀSURGXFWVꢀWRꢀKDYHꢀEHHQꢀLQꢀVXIILFLHQWꢀSURGXFWLRQꢀYROXPHꢀVXFKꢀWKDWꢀVXEꢅ
VHTXHQWꢀYHUVLRQVꢀRIꢀWKLVꢀGRFXPHQWꢀDUHꢀQRWꢀH[SHFWHGꢀWRꢀFKDQJHꢃꢀ+RZHYHUꢄꢀW\SRJUDSKLFDOꢀRUꢀVSHFLILFDWLRQ
FRUUHFWLRQVꢄꢀRUꢀPRGLILFDWLRQVꢀWRꢀWKHꢀYDOLGꢀFRPELQDWLRQVꢀRIIHUHGꢀPD\ꢀRFFXUꢃ´
4XHVWLRQVꢀUHJDUGLQJꢀWKHVHꢀGRFXPHQWꢀGHVLJQDWLRQVꢀPD\ꢀEHꢀGLUHFWHGꢀWRꢀ\RXUꢀORFDOꢀ$0'ꢀRUꢀ)XMLWVX
VDOHVꢀRIILFHꢃ
ii
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
S73WS256N based MCPs
Stacked Multi-Chip Product (MCP)
512/256 Megabit (32M/16M x 16-bit) CMOS 1.8 Volt-only,
Simultaneous Read/Write, Burst Mode Flash Memory with 256/
128 Megabit (4M/2M x 16-bit x 4 Banks) Mobile SDRAM on
Shared Data Bus
ADVANCE
INFORMATION
Data Sheet
Distinctive Characteristics
0&3ꢀ)HDWXUHV
3RZHUꢀVXSSO\ꢀYROWDJHꢀRIꢀꢇꢃꢈꢀWRꢀꢇꢃꢉꢊ9
+LJKꢀ3HUIRUPDQFH
)ODVKꢀDFFHVVꢀWLPHꢆꢀꢋꢌQV
)ODVKꢀEXUVWꢀIUHTXHQF\ꢆꢀꢊꢍꢀ0+]ꢄꢀꢎꢎ0+]ꢄꢀꢋꢌ0+]
0RELOHꢀ6'5$0ꢀEXUVWꢀIUHTXHQF\ꢆꢀꢇꢌꢍꢀ0+]
3DFNDJHꢆ
² ꢉꢃꢌꢀ[ꢀꢇꢏꢃꢌꢀPP
2SHUDWLQJꢀ7HPSHUDWXUH
² ±ꢏꢊ&ꢀWRꢀꢐꢋꢊ&ꢀꢁZLUHOHVVꢂ
General Description
7KHꢀ6ꢈꢑ:6ꢀVHULHVꢀLVꢀDꢀSURGXFWꢀOLQHꢀRIꢀVWDFNHGꢀ0XOWLꢅ&KLSꢀ3URGXFWꢀꢁ0&3ꢂꢀSDFNDJHVꢀDQGꢀFRQVLVWVꢀ
RIꢆ
2QHꢀRUꢀWZRꢀꢁLQꢀWKLVꢀFDVHꢄꢀRQHꢀGLHꢀLVꢀXVHGꢀDVꢀFRGHꢀDQGꢀWKHꢀRWKHUꢀDVꢀGDWDꢂꢀIODVKꢀ
PHPRU\ꢀGLH
2QHꢀ0RELOHꢀ6'5$0ꢀGLH
6KDUHGꢀDGGUHVVꢒGDWDꢀEXVꢀIRUꢀ)ODVKꢀDQGꢀ0RELOHꢀ6'5$0ꢆꢀꢉꢎꢅEDOOꢀSLQRXW
7KHꢀSURGXFWVꢀFRYHUHGꢀE\ꢀWKLVꢀGRFXPHQWꢀDUHꢀOLVWHGꢀLQꢀWKHꢀWDEOHꢀEHORZꢃꢀ)RUꢀGHWDLOVꢀDERXWꢀWKHLUꢀ
VSHFLILFDWLRQVꢄꢀSOHDVHꢀUHIHUꢀWRꢀWKHꢀLQGLYLGXDOꢀFRQVWLWXHQWꢀGDWDVKHHWVꢀIRUꢀIXUWKHUꢀGHWDLOVꢆ
Flash Memory Density
256Mb
512Mb
0RELOHꢀ
6'5$0ꢀ
'HQVLW\ꢀ
ꢇꢏꢋ0E
ꢏꢊꢎ0E
6ꢈꢑ:6ꢏꢊꢎ1'ꢌ 6ꢈꢑ:6ꢏꢊꢎ1'(
6ꢈꢑ:6ꢏꢊꢎ1((
Publication Number S73WS256N_00 Revision A Amendment 3 Issue Date December 16, 2005
A d v a n c e I n f o r m a t i o n
1 Product Selector Guide
Flash
Flash
Density Density Flash Initial/Burst SDRAM SDRAM burst
Device-Model#
(Code)
(Data)
Speed (ns/MHz)
Density Speed (MHz)
Supplier
DYB
Package
6ꢈꢑ:6ꢏꢊꢎ1'ꢌ%$:$ꢈ
6ꢈꢑ:6ꢏꢊꢎ1'ꢌ%$:$%
6ꢈꢑ:6ꢏꢊꢎ1'(%$:7ꢈ
6ꢈꢑ:6ꢏꢊꢎ1'(%$:7%
6ꢈꢑ:6ꢏꢊꢎ1((%$:7ꢈ
6ꢈꢑ:6ꢏꢊꢎ1((%$:7%
6ꢈꢑ:6ꢏꢊꢎ1'ꢌ%):$ꢈ
6ꢈꢑ:6ꢏꢊꢎ1'ꢌ%):$%
6ꢈꢑ:6ꢏꢊꢎ1'(%):7ꢈ
6ꢈꢑ:6ꢏꢊꢎ1'(%):7%
6ꢈꢑ:6ꢏꢊꢎ1((%):7ꢈ
6ꢈꢑ:6ꢏꢊꢎ1((%):7%
ꢇ
ꢏ
ꢇ
ꢏ
ꢇ
ꢏ
ꢇ
ꢏ
ꢇ
ꢏ
ꢇ
ꢏ
ꢀVHFWRUꢀ
XQSURWHFWHG ꢇꢑꢈꢅEDOO
ꢉ[ꢇꢏ[ꢇꢃꢏ
ꢏꢊꢎꢀ0E
²
ꢋꢌQVꢒꢊꢍ0+]
ꢇꢏꢋ
ꢇꢏꢋ
ꢏꢊꢎ
ꢇꢏꢋ
ꢇꢏꢋ
ꢏꢊꢎ
ꢇꢌꢍꢀ0+]
ꢇꢌꢍꢀ0+]
ꢇꢌꢍꢀ0+]
ꢇꢌꢍꢀ0+]
ꢀVHFWRUꢀ
XQSURWHFWHG ꢇꢑꢈꢅEDOO
ꢉ[ꢇꢏ[ꢇꢃꢍ
ꢏꢊꢎꢀ0E ꢏꢊꢎꢀ0E
ꢋꢌQVꢒꢊꢍ0+]
ꢋꢌQVꢒꢊꢍ0+]
ꢋꢌQVꢒꢊꢍ0+]
ꢀVHFWRUꢀ
XQSURWHFWHG ꢇꢑꢈꢅEDOO
ꢉ[ꢇꢏ[ꢇꢃꢏ
ꢏꢊꢎꢀ0E
²
ꢀVHFWRUꢀ
XQSURWHFWHG ꢇꢑꢈꢅEDOO
ꢉ[ꢇꢏ[ꢇꢃꢍ
ꢏꢊꢎꢀ0E ꢏꢊꢎꢀ0E
2
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
Table of Contents
S73WS256N Based MCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
1
2
3
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
MCP Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connection Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 2 x 256Mb Flash with 256Mb SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.2 2 x 256Mb Flash with 128Mb SDRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 256MbFlash with 128Mb SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.4 Lookahead Diagram on Shared Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Input/Output Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Logic Symbol for MCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
7.1 TLD137—137-ball Fine-Pitch Ball Grid Array (FBGA) 9 x 12.0 mm Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.2 FTF137—137-ball Fine-Pitch Ball Grid Array (FBGA) 9 x 12.0 x 1.4 mm Package . . . . . . . . . . . . . . . . . . . . . . . . . .21
Input/Output Descriptions & Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4
5
6
7
8
9
10 Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
11 Product Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
11.1 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
12 Device Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
12.1 Device Operation Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
12.2 Asynchronous Read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
12.3 Page Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12.4 Synchronous (Burst) Read Mode & Configuration Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12.4.1 Continuous Burst Read Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
12.4.2 8-, 16-, 32-Word Linear Burst Read with Wrap Around . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
12.4.3 8-, 16-, 32-Word Linear Burst without Wrap Around. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
12.4.4 Configuration Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
12.5 Autoselect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
12.6 Program/Erase Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
12.6.1 Single Word Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
12.6.2 Write Buffer Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
12.6.3 Sector Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
12.6.4 Chip Erase Command Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
12.6.5 Erase Suspend/Erase Resume Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
12.6.6 Program Suspend/Program Resume Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.6.7 Accelerated Program/Chip Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.6.8 Unlock Bypass. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.6.9 Write Operation Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12.7 Simultaneous Read/Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
12.8 Writing Commands/Command Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
12.9 Handshaking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
12.10 Hardware Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
12.11 Software Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
13 Advanced Sector Protection/Unprotection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
13.1 Lock Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
13.2 Persistent Protection Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
13.3 Dynamic Protection Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
13.4 Persistent Protection Bit Lock Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
13.5 Password Protection Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
13.6 Advanced Sector Protection Software Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
13.7 Hardware Data Protection Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
13.7.1 WP# Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
3
A d v a n c e I n f o r m a t i o n
13.7.2 ACC Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
13.7.3 Low V Write Inhibit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
CC
13.7.4 Write Pulse “Glitch Protection” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
13.7.5 Power-Up Write Inhibit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
14 Power Conservation Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
14.1 Standby Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
14.2 Automatic Sleep Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
14.3 Hardware RESET# Input Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
14.4 Output Disable (OE#). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
15 Secured Silicon Sector Flash Memory Region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
15.1 Factory Secured SiliconSector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
15.2 Customer Secured Silicon Sector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
15.3 Secured Silicon Sector Entry/Exit Command Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
16 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
16.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
16.2 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
16.3 Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
16.4 Key to Switching Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
16.5 Switching Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
16.6
V
Power-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
CC
16.7 DC Characteristics (CMOS Compatible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
16.8 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
16.8.1 CLK Characterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
16.8.2 Synchronous/Burst Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
16.8.3 Timing Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
16.8.4 AC Characteristics—Asynchronous Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
16.8.5 Hardware Reset (RESET#) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
16.8.6 Erase/Program Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
16.8.7 Erase and Programming Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
16.8.8 BGA Ball Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
17 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
17.1 Common Flash Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
18 Revisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Mobile SDRAM Type 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
19 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
20 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
21 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
22 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
23 Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
24 Mode Register Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
25 Burst Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
26 Burst Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
27 CAS Latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
28 Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
29 Write Burst Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
30 Extended Mode Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
31 Temperature Compensated Self Refresh. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
32 Partial Array Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
33 Driver Strength. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
34 Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
35 Command Inhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
36 No Operation (NOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
37 Load Mode Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
38 Active. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
39 Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
4
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
40 Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
41 Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
42 Auto Precharge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
43 Burst Terminate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
44 Auto Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
45 Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
46 Deep Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
47 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
47.1 Bank/Row Activation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
47.2 Reads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
47.3 Writes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
47.4 Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
47.5 Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
47.6 Deep Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
47.7 Clock Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
47.8 Burst Read/Single Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
47.9 Concurrent Auto Precharge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
47.9.1 Read with Auto Precharge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
47.10 Write with Auto Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
48 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
49 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
49.1 Revision A0 (April 1, 2005) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
49.2 Revision A1 (April 25, 2005) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
49.3 Revision A2 (April 25, 2005). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
49.4 Revision A3 (April 25, 2005) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
Mobile SDRAM Type 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
50 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
51 DC Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
52 Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
53 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
54 AC Operating Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
55 Operating AC Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
56 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
57 Simplified Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
58 Mode Register Field Table to Program Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
59 Normal MRS Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
60 EMRS for PASR (Partial Array Self Ref) & DS (Driver Strength) . . . . . . . . . . . . . . . . . . . . 169
61 Partial Array Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
62 Internal Temperature Compensated Self Refresh (TCSR) . . . . . . . . . . . . . . . . . . . . . . . . . 170
63 Power Up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
64 Burst Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
64.1 Burst Length = 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
64.2 Burst Length = 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
65 Device Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
65.1 Addresses of 64Mb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
65.1.1 Bank Addresses (BA0 ~ BA1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
65.1.2 Address Inputs (A0 ~ A11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
65.2 Addresses of 128Mb. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
65.2.1 Bank Addresses (BA0 ~ BA1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
65.2.2 Address Inputs (A0 ~ A11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
65.3 Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
65.4 Clock Enable (CKE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
65.5 NOP and Device Deselect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
65.6 DQM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
65.7 Mode Register Set (MRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
5
A d v a n c e I n f o r m a t i o n
65.8 Extended Mode Register Set (EMRS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
65.9 Bank Activate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
65.10 Burst Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
65.11 Burst Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
65.12 All Banks Precharge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
65.13 Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
65.14 Auto Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
65.15 Auto Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
65.16 Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
65.17 Basic Feature and Function Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
65.17.1 Auto Refresh. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
65.17.2 Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
66 About Burst Type Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
67 About Burst Length Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
68 Function Truth Table (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
69 Function Truth Table (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
70 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
71 SDRAM Type 2 Revision Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Mobile SDRAM Type 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
72 Address Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
73 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
74 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
75 DC Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
76 Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
77 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .208
78 AC Operating Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .208
79 Operating AC Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209
80 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
81 Simplified Truth Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211
82 Mode Register Field Table to Program Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211
82.1 Normal MRS Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
82.2 EMRS for PASR (Partial Array Self Refresh) and DS (Driver Strength). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
83 Partial Array Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
83.1 Internal Temperature Compensated Self Refresh (TCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
84 Power Up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
85 Burst Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
85.1 Burst Length = 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
85.2 Burst Length = 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
86 Device Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
86.1 Addresses of 256Mb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
86.1.1. Bank Addresses (BA0-BA1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
86.1.2 Address Inputs (A0-A12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
86.2 Addresses of 512Mb. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
86.2.1. Bank Addresses (BA0-BA1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
86.2.2 Address Inputs (A0-A12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
86.3 Clock (CLK). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
86.4 Clock Enable (CKE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
86.5 NOP and Device Deselect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
86.6 DQM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
86.7 Mode Register Set (MRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
86.8 Extended Mode Register Set (EMRS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
86.9 Bank Activate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
86.10 Burst Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
86.11 Burst Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
86.12 All Banks Precharge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
6
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
86.13 Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
86.14 Auto Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
86.15 Auto Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
86.16 Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
87 Basic Feature and Function Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
87.1 Clock Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219
87.2 DQM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219
87.3 CAS# Interrupt 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
87.4 CAS# Interrupt 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
87.5 Auto Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
87.6 Self Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
88 Burst Type Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
89 Burst Length Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
90 Function Truth Table 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
91 Function Truth Table 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
92 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
93 SDRAM Type 2 Revision Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
94 MCP Revision Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
7
A d v a n c e I n f o r m a t i o n
List of Tables
7DEOHꢀꢋꢃꢇ
,QSXWꢒ2XWSXWꢀ'HVFULSWLRQV ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢏꢑ
6ꢏꢉ:6ꢏꢊꢎ1ꢀ6HFWRUꢀꢓꢀ0HPRU\ꢀ$GGUHVVꢀ0DS ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢏꢎ
6ꢏꢉ:6ꢇꢏꢋ1ꢀ6HFWRUꢀꢓꢀ0HPRU\ꢀ$GGUHVVꢀ0DS ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢏꢈ
'HYLFHꢀ2SHUDWLRQV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢏꢋ
:RUGꢀ6HOHFWLRQꢀZLWKLQꢀDꢀ3DJH ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢏꢉ
$GGUHVVꢀ/DWHQF\ꢀꢁ6ꢏꢉ:6ꢏꢊꢎ1ꢂꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢇ
$GGUHVVꢀ/DWHQF\ꢀꢁ6ꢏꢉ:6ꢇꢏꢋ1ꢂꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢇ
$GGUHVVꢒ%RXQGDU\ꢀ&URVVLQJꢀ/DWHQF\ꢀꢁ6ꢏꢉ:6ꢏꢊꢎ1ꢀ#ꢀꢋꢌ0+]ꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢇ
$GGUHVVꢒ%RXQGDU\ꢀ&URVVLQJꢀ/DWHQF\ꢀꢁ6ꢏꢉ:6ꢏꢊꢎ1ꢀ#ꢀꢎꢎꢀ0+]ꢂ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢇ
$GGUHVVꢒ%RXQGDU\ꢀ&URVVLQJꢀ/DWHQF\ꢀꢁ6ꢏꢉ:6ꢏꢊꢎ1ꢀ#ꢀꢊꢍ0+]ꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢇ
$GGUHVVꢒ%RXQGDU\ꢀ&URVVLQJꢀ/DWHQF\ꢀꢁ6ꢏꢉ:6ꢇꢏꢋ1ꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢇ
%XUVWꢀ$GGUHVVꢀ*URXSV ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢑ
&RQILJXUDWLRQꢀ5HJLVWHUꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢍ
$XWRVHOHFWꢀ$GGUHVVHV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢊ
$XWRVHOHFWꢀ(QWU\ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢎ
$XWRVHOHFWꢀ([LW ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢎ
6LQJOHꢀ:RUGꢀ3URJUDP ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢑꢉ
:ULWHꢀ%XIIHUꢀ3URJUDP ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢇ
6HFWRUꢀ(UDVH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢑ
&KLSꢀ(UDVH ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢊ
(UDVHꢀ6XVSHQG ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢎ
(UDVHꢀ5HVXPH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢎ
3URJUDPꢀ6XVSHQG ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢈ
3URJUDPꢀ5HVXPHꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢈ
8QORFNꢀ%\SDVVꢀ(QWU\ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢋ
8QORFNꢀ%\SDVVꢀ3URJUDPꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢉ
8QORFNꢀ%\SDVVꢀ5HVHWꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢍꢉ
'4ꢎꢀDQGꢀ'4ꢏꢀ,QGLFDWLRQV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢊꢑ
:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢊꢊ
5HVHW ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢊꢈ
/RFNꢀ5HJLVWHU ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢎꢌ
6HFWRUꢀ3URWHFWLRQꢀ6FKHPHV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢎꢎ
ꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ$GGUHVVHV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢎꢉ
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ(QWU\ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢈꢇ
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ3URJUDPꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢈꢇ
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ([LW ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢈꢇ
7HVWꢀ6SHFLILFDWLRQVꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢑ
6\QFKURQRXVꢀ:DLWꢀ6WDWHꢀ5HTXLUHPHQWVꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢈ
ꢀ0HPRU\ꢀ$UUD\ꢀ&RPPDQGV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢈ
6HFWRUꢀ3URWHFWLRQꢀ&RPPDQGV ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢉꢋ
&),ꢀ4XHU\ꢀ,GHQWLILFDWLRQꢀ6WULQJꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢉꢉ
6\VWHPꢀ,QWHUIDFHꢀ6WULQJ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢉ
'HYLFHꢀ*HRPHWU\ꢀ'HILQLWLRQ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢇꢌꢌ
3ULPDU\ꢀ9HQGRUꢅ6SHFLILFꢀ([WHQGHGꢀ4XHU\ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢇꢌꢇ
%XUVWꢀ'HILQLWLRQ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢌ
&$6ꢀ/DWHQF\ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢏ
7UXWKꢀ7DEOHꢀꢇꢀꢅꢀ&RPPDQGVꢀDQGꢀ'40ꢀ2SHUDWLRQꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢊ
7UXWKꢀ7DEOHꢀꢏꢀꢅꢀ&.( ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢑꢊ
7UXWKꢀ7DEOHꢀꢑꢀꢅꢀ&XUUHQWꢀ6WDWHꢀ%DQNꢀQꢄꢀ&RPPDQGꢀWRꢀ%DQNꢀQ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢑꢎ
7UXWKꢀ7DEOHꢀꢍꢀꢅꢀ&XUUHQWꢀ6WDWHꢀ%DQNꢀQꢄꢀ&RPPDQGꢀWRꢀ%DQNꢀP ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢑꢈ
'&ꢀ(OHFWULFDOꢀ&KDUDFWHULVWLFVꢀDQGꢀ2SHUDWLQJꢀ&RQGLWLRQVꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢑꢉ
$&ꢀ(OHFWULFDOꢀ&KDUDFWHULVWLFVꢀDQGꢀ2SHUDWLQJꢀ&RQGLWLRQV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢌ
(OHFWULFDOꢀ&KDUDFWHULVWLFVꢀDQGꢀ5HFRPPHQGHGꢀ$&ꢀ2SHUDWLQJꢀ&RQGLWLRQV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢌ
$&ꢀ)XQFWLRQDOꢀ&KDUDFWHULVWLFV ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢇ
,''ꢀ6SHFLILFDWLRQVꢀDQGꢀ&RQGLWLRQV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢏ
7DEOHꢀꢇꢇꢃꢇ
7DEOHꢀꢇꢇꢃꢏꢃ
7DEOHꢀꢇꢏꢃꢇ
7DEOHꢀꢇꢏꢃꢏ
7DEOHꢀꢇꢏꢃꢑ
7DEOHꢀꢇꢏꢃꢍ
7DEOHꢀꢇꢏꢃꢊ
7DEOHꢀꢇꢏꢃꢎ
7DEOHꢀꢇꢏꢃꢈ
7DEOHꢀꢇꢏꢃꢋ
7DEOHꢀꢇꢏꢃꢉ
7DEOHꢀꢇꢏꢃꢇꢌ
7DEOHꢀꢇꢏꢃꢇꢇ
7DEOHꢀꢇꢏꢃꢇꢏ
7DEOHꢀꢇꢏꢃꢇꢑ
7DEOHꢀꢇꢏꢃꢇꢍꢃ
7DEOHꢀꢇꢏꢃꢇꢊꢃ
7DEOHꢀꢇꢏꢃꢇꢎꢃ
7DEOHꢀꢇꢏꢃꢇꢈꢃ
7DEOHꢀꢇꢏꢃꢇꢋꢃ
7DEOHꢀꢇꢏꢃꢇꢉꢃ
7DEOHꢀꢇꢏꢃꢏꢌꢃ
7DEOHꢀꢇꢏꢃꢏꢇꢃ
7DEOHꢀꢇꢏꢃꢏꢏꢃ
7DEOHꢀꢇꢏꢃꢏꢑꢃ
7DEOHꢀꢇꢏꢃꢏꢍꢃ
7DEOHꢀꢇꢏꢃꢏꢊꢃ
7DEOHꢀꢇꢏꢃꢏꢎꢃ
7DEOHꢀꢇꢏꢃꢏꢈꢃ
7DEOHꢀꢇꢑꢃꢇ
7DEOHꢀꢇꢑꢃꢏ
7DEOHꢀꢇꢊꢃꢇ
7DEOHꢀꢇꢊꢃꢏꢃ
7DEOHꢀꢇꢊꢃꢑꢃ
7DEOHꢀꢇꢊꢃꢍꢃ
7DEOHꢀꢇꢎꢃꢇ
7DEOHꢀꢇꢎꢃꢏ
7DEOHꢀꢇꢈꢃꢇ
7DEOHꢀꢇꢈꢃꢏꢃ
7DEOHꢀꢇꢈꢃꢑꢃ
7DEOHꢀꢇꢈꢃꢍꢃ
7DEOHꢀꢇꢈꢃꢊꢃ
7DEOHꢀꢇꢈꢃꢎꢃ
7DEOHꢀꢏꢊꢃꢇ
7DEOHꢀꢏꢈꢃꢇ
7DEOHꢀꢑꢍꢃꢇ
7DEOHꢀꢍꢈꢃꢇ
7DEOHꢀꢍꢈꢃꢏ
7DEOHꢀꢍꢈꢃꢑ
7DEOHꢀꢍꢋꢃꢇ
7DEOHꢀꢍꢋꢃꢏ
7DEOHꢀꢍꢋꢃꢑ
7DEOHꢀꢍꢋꢃꢍ
7DEOHꢀꢍꢋꢃꢊ
7DEOHꢀꢍꢋꢃꢎ
7DEOHꢀꢍꢋꢃꢈ
7DEOHꢀꢋꢏꢃꢇ
,
ꢀꢅꢀ6HOIꢀ5HIUHVKꢀ&XUUHQWꢀ2SWLRQV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢑ
''ꢈ
&DSDFLWDQFH ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢍ
5HJLVWHUꢀ3URJUDPPHGꢀZLWKꢀ([WHQGHGꢀ056 ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢇꢏ
8
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
List of Figures
)LJXUHꢀꢉꢃꢇꢃ
6ꢏꢉ:6ꢅ1ꢀ%ORFNꢀ'LDJUDP ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢏꢍ
6\QFKURQRXVꢒ$V\QFKURQRXVꢀ6WDWHꢀ'LDJUDPꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢌ
6\QFKURQRXVꢀ5HDGꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢏ
6LQJOHꢀ:RUGꢀ3URJUDP ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢑꢋ
:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀ2SHUDWLRQ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢍꢏ
6HFWRUꢀ(UDVHꢀ2SHUDWLRQ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢍꢍ
:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢀ)ORZFKDUW ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢊꢇ
$GYDQFHGꢀ6HFWRUꢀ3URWHFWLRQꢒ8QSURWHFWLRQ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢊꢉ
33%ꢀ3URJUDPꢒ(UDVHꢀ$OJRULWKP ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢎꢏ
/RFNꢀ5HJLVWHUꢀ3URJUDPꢀ$OJRULWKPꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢎꢊ
0D[LPXPꢀ1HJDWLYHꢀ2YHUVKRRWꢀ:DYHIRUP ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢏ
0D[LPXPꢀ3RVLWLYHꢀ2YHUVKRRWꢀ:DYHIRUPꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢏ
7HVWꢀ6HWXSꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢑ
,QSXWꢀ:DYHIRUPVꢀDQGꢀ0HDVXUHPHQWꢀ/HYHOVꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢍ
)LJXUHꢀꢇꢏꢃꢇꢃ
)LJXUHꢀꢇꢏꢃꢏꢃ
)LJXUHꢀꢇꢏꢃꢑꢃ
)LJXUHꢀꢇꢏꢃꢍꢃ
)LJXUHꢀꢇꢏꢃꢊꢃ
)LJXUHꢀꢇꢏꢃꢎꢃ
)LJXUHꢀꢇꢑꢃꢇꢃ
)LJXUHꢀꢇꢑꢃꢏꢃ
)LJXUHꢀꢇꢑꢃꢑꢃ
)LJXUHꢀꢇꢎꢃꢇꢃ
)LJXUHꢀꢇꢎꢃꢏꢃ
)LJXUHꢀꢇꢎꢃꢑꢃ
)LJXUHꢀꢇꢎꢃꢍꢃ
)LJXUHꢀꢇꢎꢃꢊꢃ
)LJXUHꢀꢇꢎꢃꢎꢃ
)LJXUHꢀꢇꢎꢃꢈꢃ
)LJXUHꢀꢇꢎꢃꢋꢃ
)LJXUHꢀꢇꢎꢃꢉꢃ
)LJXUHꢀꢇꢎꢃꢇꢌꢃ
)LJXUHꢀꢇꢎꢃꢇꢇꢃ
)LJXUHꢀꢇꢎꢃꢇꢏꢃ
)LJXUHꢀꢇꢎꢃꢇꢑꢃ
)LJXUHꢀꢇꢎꢃꢇꢍꢃ
)LJXUHꢀꢇꢎꢃꢇꢊꢃ
)LJXUHꢀꢇꢎꢃꢇꢎꢃ
)LJXUHꢀꢇꢎꢃꢇꢈꢃ
)LJXUHꢀꢇꢎꢃꢇꢋꢃ
)LJXUHꢀꢇꢎꢃꢇꢉꢃ
)LJXUHꢀꢇꢎꢃꢏꢌꢃ
)LJXUHꢀꢇꢎꢃꢏꢇꢃ
)LJXUHꢀꢇꢎꢃꢏꢏꢃ
)LJXUHꢀꢇꢎꢃꢏꢑꢃ
)LJXUHꢀꢇꢎꢃꢏꢍꢃ
)LJXUHꢀꢇꢎꢃꢏꢊꢃ
)LJXUHꢀꢇꢎꢃꢏꢎꢃ
)LJXUHꢀꢇꢎꢃꢏꢈꢃ
)LJXUHꢀꢇꢎꢃꢏꢋꢃ
)LJXUHꢀꢇꢎꢃꢏꢉꢃ
)LJXUHꢀꢏꢌꢃꢇ
)LJXUHꢀꢏꢊꢃꢇ
)LJXUHꢀꢏꢈꢃꢇ
)LJXUHꢀꢑꢑꢃꢇ
)LJXUHꢀꢍꢈꢃꢇ
)LJXUHꢀꢍꢈꢃꢇ
)LJXUHꢀꢍꢈꢃꢇ
)LJXUHꢀꢍꢋꢃꢇ
)LJXUHꢀꢊꢍꢃꢇ
)LJXUHꢀꢊꢍꢃꢏ
)LJXUHꢀꢎꢊꢃꢇ
)LJXUHꢀꢎꢊꢃꢏ
)LJXUHꢀꢎꢊꢃꢑ
)LJXUHꢀꢎꢊꢃꢍ
)LJXUHꢀꢎꢊꢃꢊ
)LJXUHꢀꢎꢊꢃꢎ
)LJXUHꢀꢎꢊꢃꢈ
)LJXUHꢀꢎꢊꢃꢋ
)LJXUHꢀꢎꢊꢃꢉ
9
ꢀ3RZHUꢅXSꢀ'LDJUDPꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢍ
&&
&/.ꢀ&KDUDFWHUL]DWLRQꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢎ
&/.ꢀ6\QFKURQRXVꢀ%XUVWꢀ0RGHꢀ5HDGꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢋ
ꢋꢅZRUGꢀ/LQHDUꢀ%XUVWꢀZLWKꢀ:UDSꢀ$URXQGꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢉ
ꢋꢅZRUGꢀ/LQHDUꢀ%XUVWꢀZLWKRXWꢀ:UDSꢀ$URXQG ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢈꢉ
/LQHDUꢀ%XUVWꢀZLWKꢀ5'<ꢀ6HWꢀ2QHꢀ&\FOHꢀ%HIRUHꢀ'DWDꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢌ
$V\QFKURQRXVꢀ0RGHꢀ5HDGꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢇ
)RXUꢅ:RUGꢀ3DJHꢅ0RGHꢀ2SHUDWLRQꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢇ
5HVHWꢀ7LPLQJV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢏ
&KLSꢒ6HFWRUꢀ(UDVHꢀ2SHUDWLRQꢀ7LPLQJV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢍ
3URJUDPꢀ2SHUDWLRQꢀ7LPLQJꢀ8VLQJꢀ$9'ꢔꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢊ
3URJUDPꢀ2SHUDWLRQꢀ7LPLQJꢀ8VLQJꢀ&/.ꢀLQꢀ5HODWLRQVKLSꢀWRꢀ$9'ꢔ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢎ
$FFHOHUDWHGꢀ8QORFNꢀ%\SDVVꢀ3URJUDPPLQJꢀ7LPLQJ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢈ
'DWDꢔꢀ3ROOLQJꢀ7LPLQJVꢀꢁ'XULQJꢀ(PEHGGHGꢀ$OJRULWKPꢂꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢈ
7RJJOHꢀ%LWꢀ7LPLQJVꢀꢁ'XULQJꢀ(PEHGGHGꢀ$OJRULWKPꢂꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢋ
6\QFKURQRXVꢀ'DWDꢀ3ROOLQJꢀ7LPLQJVꢒ7RJJOHꢀ%LWꢀ7LPLQJVꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢋ
&RQGLWLRQVꢀIRUꢀ,QFRUUHFWꢀ'4ꢏꢀ3ROOLQJꢀ'XULQJꢀ(UDVHꢀ6XVSHQG ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢉ
&RUUHFWꢀ'4ꢏꢀ3ROOLQJꢀGXULQJꢀ(UDVHꢀ6XVSHQGꢀꢔꢇꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢉ
&RUUHFWꢀ'4ꢏꢀ3ROOLQJꢀGXULQJꢀ(UDVHꢀ6XVSHQGꢀꢔꢏꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢉ
&RUUHFWꢀ'4ꢏꢀ3ROOLQJꢀGXULQJꢀ(UDVHꢀ6XVSHQGꢀꢔꢑꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢋꢉ
'4ꢏꢀYVꢃꢀ'4ꢎꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢌ
/DWHQF\ꢀZLWKꢀ%RXQGDU\ꢀ&URVVLQJꢀZKHQꢀ)UHTXHQF\ꢀ!ꢀꢎꢎꢀ0+] ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢌ
/DWHQF\ꢀZLWKꢀ%RXQGDU\ꢀ&URVVLQJꢀLQWRꢀ3URJUDPꢒ(UDVHꢀ%DQNꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢇ
([DPSOHꢀRIꢀ:DLWꢀ6WDWHVꢀ,QVHUWLRQꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢏ
%DFNꢅWRꢅ%DFNꢀ5HDGꢒ:ULWHꢀ&\FOHꢀ7LPLQJV ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢉꢑ
%ORFNꢀ'LDJUDPꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢌꢎ
0RGHꢀ5HJLVWHUꢀ'HILQLWLRQꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢇ
&$6ꢀ/DWHQF\ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢏ
([WHQGHGꢀ0RGHꢀ5HJLVWHU ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢍ
$FWLYDWLQJꢀDꢀ6SHFLILFꢀ5RZꢀLQꢀDꢀ6SHFLILFꢀ%DQNꢀ5HJLVWHU ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢇꢉ
5HDGꢀ&RPPDQGꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢏꢇ
:ULWHꢀ&RPPDQG ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢏꢎ
,QLWLDOL]HꢀDQGꢀ/RDGꢀ0RGHꢀ5HJLVWHU ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢍꢍ
'&ꢀ2XWSXWꢀ/RDGꢀ&LUFXLWꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢎꢊ
$&ꢀ2XWSXWꢀ/RDGꢀ&LUFXLWꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢎꢎ
&ORFNꢀ6XVSHQG ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢈꢊ
'40ꢀ2SHUDWLRQ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢈꢎ
&$6ꢔꢀ,QWHUUXSWꢀꢁꢇꢂ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢈꢈ
&$6ꢔꢀ,QWHUUXSWꢀꢁꢏꢂꢆꢀ5HDGꢀ,QWHUUXSWHGꢀE\ꢀ:ULWHꢀꢓꢀ'40 ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢈꢋ
:ULWHꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJHꢀꢓꢀ'40 ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢈꢉ
3UHFKDUJHꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢈꢉ
$XWRꢀ3UHFKDUJH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢌ
%XUVWꢀ6WRSꢀDQGꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢌ
056ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢇ
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
9
A d v a n c e I n f o r m a t i o n
)LJXUHꢀꢎꢊꢃꢇꢌ
)LJXUHꢀꢎꢊꢃꢇꢇ
)LJXUHꢀꢎꢊꢃꢇꢏ
)LJXUHꢀꢈꢌꢃꢇ
)LJXUHꢀꢈꢌꢃꢏ
)LJXUHꢀꢈꢌꢃꢑ
)LJXUHꢀꢈꢌꢃꢍ
)LJXUHꢀꢈꢌꢃꢊ
)LJXUHꢀꢈꢌꢃꢎ
)LJXUHꢀꢈꢌꢃꢈ
)LJXUHꢀꢈꢌꢃꢋ
)LJXUHꢀꢈꢌꢃꢉ
)LJXUHꢀꢈꢌꢃꢇꢌ
)LJXUHꢀꢈꢌꢃꢇꢇ
)LJXUHꢀꢈꢌꢃꢇꢏ
)LJXUHꢀꢈꢌꢃꢇꢑ
)LJXUHꢀꢈꢌꢃꢇꢍ
)LJXUHꢀꢈꢌꢃꢇꢊ
)LJXUHꢀꢈꢌꢃꢇꢎ
)LJXUHꢀꢈꢌꢃꢇꢈ
)LJXUHꢀꢈꢋꢃꢇ
)LJXUHꢀꢈꢋꢃꢏ
)LJXUHꢀꢋꢑꢃꢇ
)LJXUHꢀꢋꢈꢃꢇ
)LJXUHꢀꢋꢈꢃꢏ
)LJXUHꢀꢋꢈꢃꢇ
)LJXUHꢀꢋꢈꢃꢏ
)LJXUHꢀꢋꢈꢃꢑ
)LJXUHꢀꢋꢈꢃꢍ
)LJXUHꢀꢋꢈꢃꢊ
)LJXUHꢀꢋꢈꢃꢎ
)LJXUHꢀꢋꢈꢃꢈ
)LJXUHꢀꢋꢈꢃꢋ
)LJXUHꢀꢋꢈꢃꢉ
)LJXUHꢀꢋꢈꢃꢇꢌ
)LJXUHꢀꢋꢈꢃꢇꢇ
)LJXUHꢀꢋꢈꢃꢇꢏ
)LJXUHꢀꢋꢈꢃꢇꢑ
)LJXUHꢀꢋꢈꢃꢇꢍ
)LJXUHꢀꢋꢈꢃꢇꢊ
)LJXUHꢀꢉꢏꢃꢇ
)LJXUHꢀꢉꢏꢃꢏ
)LJXUHꢀꢉꢏꢃꢑ
)LJXUHꢀꢉꢏꢃꢍ
)LJXUHꢀꢉꢏꢃꢊ
)LJXUHꢀꢉꢏꢃꢎ
)LJXUHꢀꢉꢏꢃꢈ
)LJXUHꢀꢉꢏꢃꢋ
)LJXUHꢀꢉꢏꢃꢉ
)LJXUHꢀꢉꢏꢃꢇꢌ
)LJXUHꢀꢉꢏꢃꢇꢇ
)LJXUHꢀꢉꢏꢃꢇꢏ
)LJXUHꢀꢉꢏꢃꢇꢑ
)LJXUHꢀꢉꢏꢃꢇꢍ
)LJXUHꢀꢉꢏꢃꢇꢊ
)LJXUHꢀꢉꢏꢃꢇꢎ
&ORFNꢀ6XVSHQGꢀ([LWꢀDQGꢀ3RZHUꢀ'RZQꢀ([LW ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢇ
$XWRꢀ5HIUHVKꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢇ
6HOIꢀ5HIUHVK ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢏ
3RZHUꢀ8Sꢀ6HTXHQFHꢀIRUꢀ0RELOHꢀ6'5$0 ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢎ
6LQJOHꢀ%LWꢀ5HDGꢅ:ULWHꢅ5HDGꢀ&\FOHꢀꢁ6DPHꢀ3DJHꢂꢀ#&$6ꢀ/DWHQF\ ꢑꢄꢀ%XUVWꢀ/HQJWK ꢇ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢈ
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀDWꢀ6DPHꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢄꢀW
ꢏ&/. ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢋ
5'/
3DJHꢀ5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀDWꢀ6DPHꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢄꢀW
ꢏ&/.ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢋꢉ
5'/
3DJHꢀ5HDGꢀ&\FOHꢀDWꢀ'LIIHUHQWꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢌ
3DJHꢀ:ULWHꢀ&\FOHꢀDWꢀ'LIIHUHQWꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢄꢀW ꢏ&/. ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢇ
5'/
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀDWꢀ'LIIHUHQWꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢏ
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀZLWKꢀ$XWRꢀ3UHFKDUJHꢀꢇꢀ#%XUVWꢀ/HQJWK ꢍ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢑ
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀZLWKꢀ$XWRꢀ3UHFKDUJHꢀꢏꢀ#%XUVWꢀ/HQJWK ꢍ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢍ
&ORFNꢀ6XVSHQVLRQꢀꢓꢀ'40ꢀ2SHUDWLRQꢀ&\FOHꢀ#&$6ꢀ/DWHQF\ ꢏꢄꢀ%XUVWꢀ/HQJWK ꢍ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢊ
5HDGꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJHꢀ&RPPDQGꢀꢓꢀ5HDGꢀ%XUVWꢀ6WRSꢀ&\FOHꢀ#)XOOꢀ3DJHꢀ%XUVW ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢎ
:ULWHꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJHꢀ&RPPDQGꢀꢓꢀ:ULWHꢀ%XUVWꢀ6WRSꢀ&\FOHꢀ#ꢀ)XOOꢀ3DJHꢀ%XUVWꢄꢀW
ꢏ&/. ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢈ
5'/
%XUVWꢀ5HDGꢀ6LQJOHꢀELWꢀ:ULWHꢀ&\FOHꢀ#%XUVWꢀ/HQJWK ꢏꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢋ
$FWLYHꢒ3UHFKDUJHꢀ3RZHUꢀ'RZQꢀ0RGHꢀ#&$6ꢀ/DWHQF\ ꢏꢄꢀ%XUVWꢀ/HQJWK ꢍꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢇꢉꢉ
6HOIꢀ5HIUHVKꢀ(QWU\ꢀꢓꢀ([LWꢀ&\FOHꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢌꢌ
0RGHꢀ5HJLVWHUꢀ6HWꢀ&\FOHꢀDQGꢀ$XWRꢀ5HIUHVKꢀ&\FOH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢌꢇ
([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀ6HWꢀ&\FOHꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢌꢏ
'&ꢀ2XWSXWꢀ/RDGꢀ&LUFXLWꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢌꢋ
$&ꢀ2XWSXWꢀ/RDGꢀ&LUFXLWꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢌꢉ
3DUWLDOꢀ$UUD\ꢀ6HOIꢀ5HIUHVKꢀ$UHDVꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢇꢑ
&ORFNꢀ6XVSHQGꢀ'XULQJꢀ:ULWHꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢇꢉ
&ORFNꢀ6XVSHQGꢀ'XULQJꢀ5HDGꢀꢁ%/ꢀ ꢀꢍꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢇꢉ
:ULWHꢀ0DVNꢀꢁ%/ꢀ ꢀꢍꢂ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢇꢉ
5HDGꢀ0DVNꢀꢁ%/ꢀ ꢀꢍꢂꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢌ
'40ꢀZLWKꢀ&/RFNꢀ6XVSHQGHGꢀꢁ)XOOꢀ3DJHꢀ5HDGꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢌ
5HDGꢀ,QWHUUXSWHGꢀE\ꢀ5HDGꢀꢁ%/ꢀ ꢀꢍꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢌ
:ULWHꢀ,QWHUUXSWHGꢀE\ꢀ:ULWHꢀꢁ%/ꢀ ꢀꢏꢂꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢌ
:ULWHꢀ,QWHUUXSWHGꢀE\ꢀ5HDGꢀꢁ%/ꢀ ꢀꢏꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢇ
5HDGꢀ,QWHUUXSWHGꢀE\ꢀ:ULWHꢀDQGꢀ'40 ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢏ
:ULWHꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJHꢀDQGꢀ'40 ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢑ
3UHFKDUJHꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢑ
$XWRꢀ3UHFKDUJH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢍ
%XUVWꢀ6WRSꢀDQGꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢊ
0RGHꢀ5HJLVWHUꢀ6HW ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢊ
&ORFNꢀ6XVSHQGꢀ([LWꢀDQGꢀ3RZHUꢀ'RZQꢀ([LW ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢎ
$XWRꢀ5HIUHVKꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢎ
6HOIꢀ5HIUHVK ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢏꢎ
3RZHUꢀ8Sꢀ6HTXHQFH ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢇ
6LQJOHꢀ%LWꢀ5HDGꢅ:ULWHꢅ5HDGꢀ&\FOHꢀꢁ6DPHꢀ3DJHꢂꢀ#&$6ꢀ/DWHQF\ ꢑꢄꢀ%XUVWꢀ/HQJWK ꢇ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢏ
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀDWꢀ6DPHꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢄꢀW
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀDWꢀ6DPHꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢄꢀW
ꢏ&/. ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢑ
ꢏ&/. ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢍ
5'/
5'/
3DJHꢀ5HDGꢀ&\FOHꢀDWꢀ'LIIHUHQWꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢊ
3DJHꢀ:ULWHꢀ&\FOHꢀDWꢀ'LIIHUHQWꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍꢄꢀW ꢏ&/. ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢎ
5'/
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀDWꢀ'LIIHUHQWꢀ%DQNꢀ#%XUVWꢀ/HQJWK ꢍ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢈ
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀZLWKꢀ$XWRꢀ3UHFKDUJHꢀ,ꢀ#%XUVWꢀ/HQJWK ꢍꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢋ
5HDGꢀꢓꢀ:ULWHꢀ&\FOHꢀZLWKꢀ$XWRꢀ3UHFKDUJHꢀꢏꢀ#%XUVWꢀ/HQJWK ꢍ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢑꢉ
&ORFNꢀ6XVSHQVLRQꢀꢓꢀ'40ꢀ2SHUDWLRQꢀ&\FOHꢀ#&$6ꢀ/DWHQF\ ꢏꢄꢀ%XUVWꢀ/HQJWK ꢍ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢌ
5HDGꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJHꢀ&RPPDQGꢀꢓꢀ5HDGꢀ%XUVWꢀ6WRSꢀ&\FOHꢀ#)XOOꢀ3DJHꢀ%XUVW ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢇ
:ULWHꢀ,QWHUUXSWHGꢀE\ꢀ3UHFKDUJHꢀ&RPPDQGꢀꢓꢀ:ULWHꢀ%XUVWꢀ6WRSꢀ&\FOHꢀ#ꢀ)XOOꢀ3DJHꢀ%XUVWꢄꢀW5'/ ꢏ&/.ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢏ
%XUVWꢀ5HDGꢀ6LQJOHꢀELWꢀ:ULWHꢀ&\FOHꢀ#%XUVWꢀ/HQJWK ꢏꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢑ
$FWLYHꢒ3UHFKDUJHꢀ3RZHUꢀ'RZQꢀ0RGHꢀ#&$6ꢀ/DWHQF\ ꢏꢄꢀ%XUVWꢀ/HQJWK ꢍꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢍ
6HOIꢀ5HIUHVKꢀ(QWU\ꢀꢓꢀ([LWꢀ&\FOHꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢊ
([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀ6HWꢀ&\FOHꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢏꢍꢈ
10
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
2 MCP Block Diagram
V
f
CC
max +1*
V
V
ID
A23 - A0
CC
DQ15 to DQ0
16
CLK
WP#
ACC
CE#
OE#
WE#
CLK
WP#f1
ACC
Flash 1
(Note 1) CE#f1
OE#
Flash 2
(Note 2)
WE#
RDY
RDY
RESET#
AVD#
RESET#
AVD#
DQ15 to DQ0
CE#f2
V
SS
D-V
CC
D-V
CCQ
D-max + 1*
A12 - A0
V
V
CCQ
CC
D-CLK
CLK
CE#
WE#
16
D-CE#
D-WE#
DQ15 to DQ0
D-BA0
D-BA1
BA0
BA1
D-CKE
D-RAS#
D-CAS#
D-DM0
CKE
SDRAM
RAS#
CAS#
DM0
D-DM1
DM1
V
SSQ
D-V
SSQ
* Amax = A23
D-Amax = A12
Ir)
ꢀꢁ )RUꢂDꢂRQHꢃ)ODVKꢂFRQILJXUDWLRQꢄꢂ&(ꢅIꢀꢂ ꢂ&(ꢅꢁ
)RUꢂDꢂWZRꢃ)ODVKꢂFRQILJXUDWLRQꢄꢂ&(ꢅIꢀꢂ ꢂ&(ꢂIRUꢂ)ODVKꢂꢀꢂDQGꢂ&(ꢅIꢆꢂ ꢂ&(ꢂIRUꢂ)ODVKꢂꢆꢇꢂ&(ꢅIꢆꢂLVꢂWKHꢂ
FKLSꢃHQDEOHꢂSLQꢂIRUꢂWKHꢂVHFRQGꢂ)ODVKꢁ
ꢆꢁ )ODVKꢂDQGꢂ6'5$0ꢂVKDUHꢂFRPPRQꢂ$ꢀꢆꢃ$ꢈꢂDQGꢂ'4ꢀꢉꢃ'4ꢈꢁ
ꢊꢁ $SSOLFDEOHꢂRQO\ꢂIRUꢂWKHꢂ6ꢋꢊ:6ꢆꢉꢌ1'(ꢂDQGꢂ6ꢋꢊ:6ꢆꢉꢌ1((ꢂGHYLFHVꢁ
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
11
A d v a n c e I n f o r m a t i o n
3 Connection Diagrams
3.1
2 x 256Mb Flash with 256Mb SDRAM
ꢄꢅꢆꢇEDOOꢀ)LQHꢇ3LWFKꢀ%DOOꢀ*ULGꢀ$UUD\
ꢁ7RSꢀ9LHZꢄꢀ%DOOVꢀ)DFLQJꢀ'RZQꢂ
A1
A2
A9
A10
A3
A4
A5
A6
A7
A8
D-CKE D-CLK
DNU
DNU
DNU
DNU
DNU
DNU
D-VSS D-CE#
B1
B2
B9
B10
B3
B4
B5
B6
B7
B8
D-RAS# D-WE#
RFU D-CAS#
DNU
DNU
DNU
DNU
DNU
DNU
C2
C3
C4
C5
C6
C7
C8
C9
C10
DNU
C1
AVD#
VSS
CLK
RFU
RFU
RFU
RFU
RFU
DNU
Legend
D2
D3
A7
D4
D5
D6
D7
A8
D8
D9
D10
D1
WP#
D-DM0
ACC
WE#
A11
F2-CE# DNU
DNU
E2
A3
E3
A6
E4
E5
E6
E7
E8
E9
E10
E1
Flash/SDRAM Shared
SDRAM only
D-DM1 F-RST#
RFU
A19
A12
A15
DNU
DNU
F2
A2
F3
A5
F4
F5
F6
F7
A9
F8
F9
F10
F1
A18
RDY
A20
A13
A21
DNU
DNU
G2
A1
G3
A4
G4
G6
G7
G8
G9
G10
DNU
G1
A17
A23
A10
A14
A22
DNU
Reserved for
Future Use
H2
A0
H3
H4
H7
H8
H9
H10
DNU
H1
VSS
DQ1
DQ6
RFU
A16
DNU
Data Flash only
J2
J3
J4
J5
J6
J7
J8
J9
J10
J1
F1-CE#
OE#
DQ9
DQ3
DQ4
DQ13
DQ15
RFU
DNU
DNU
K2
K3
K4
K5
K6
K7
K8
K9
K10
DNU
K1
Flash/Data Shared
RFU
DQ0
DQ10
F-VCC
D-VCC
DQ12
DQ7
VSS
DNU
L2
L3
L4
L5
L6
L7
L8
L9
L10
L1
Code Flash Only
Do Not Use
D-VCC
DQ8
DQ2
DQ11
RFU
DQ5
DQ14
RFU
DNU
DNU
M2
M3
M4
M5
M6
M7
M8
M9
M10
DNU
M1
RFU
RFU
VSS
F-VCC
RFU
RFU
RFU
RFU
DNU
N1
N2
N9
N10
RFU
N3
N4
N5
N6
N7
N8
DNU
DNU
DNU
DNU
DNU
DNU
RFU
D-BA0
D-BA1
P1
P2
P9
P10
RFU
P3
P4
P5
P6
P7
P8
RFU
D-VSS
RFU
DNU
DNU
DNU
DNU
DNU
DNU
Ir)
ꢀꢁ 7LHꢂWKHꢂ6'5$0ꢂ9 ꢂDQGꢂ9
ꢂWRꢂ'ꢃ9 ꢁ
66
66
664
ꢆꢁ 7LHꢂWKHꢂ6'5$0ꢂ9&&ꢂDQGꢂ9&&4ꢂWRꢂ'ꢃ9&&
ꢁ
6SHFLDOꢀ+DQGOLQJꢀ,QVWUXFWLRQVꢀ)RUꢀ)%*$ꢀ3DFNDJH
6SHFLDOꢀKDQGOLQJꢀLVꢀUHTXLUHGꢀIRUꢀ)ODVKꢀ0HPRU\ꢀSURGXFWVꢀLQꢀ)%*$ꢀSDFNDJHVꢃ
)ODVKꢀPHPRU\ꢀGHYLFHVꢀLQꢀ)%*$ꢀSDFNDJHVꢀPD\ꢀEHꢀGDPDJHGꢀLIꢀH[SRVHGꢀWRꢀXOWUDꢅ
VRQLFꢀFOHDQLQJꢀPHWKRGVꢃꢀ7KHꢀSDFNDJHꢀDQGꢒRUꢀGDWDꢀLQWHJULW\ꢀPD\ꢀEHꢀFRPSURPLVHGꢀ
LIꢀWKHꢀSDFNDJHꢀERG\ꢀLVꢀH[SRVHGꢀWRꢀWHPSHUDWXUHVꢀDERYHꢀꢇꢊꢌ°&ꢀIRUꢀSURORQJHGꢀSHULꢅ
RGVꢀRIꢀWLPHꢃ
12
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
3.2
2 x 256Mb Flash with 128Mb SDRAM
ꢄꢅꢆꢇEDOOꢀ)LQHꢇ3LWFKꢀ%DOOꢀ*ULGꢀ$UUD\
ꢁ7RSꢀ9LHZꢄꢀ%DOOVꢀ)DFLQJꢀ'RZQꢂ
A1
A2
A9
A10
A3
A4
A5
A6
A7
A8
DNU
DNU
DNU
DNU
DNU
DNU
D-CKE D-CLK
D-VSS D-CE#
B1
B2
B9
B10
B3
B4
B5
B6
B7
B8
D-RAS# D-WE#
RFU D-CAS#
DNU
DNU
DNU
DNU
DNU
DNU
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
DNU
DNU
AVD#
VSS
CLK
RFU
RFU
RFU
RFU
RFU
Legend
D1
D2
D3
A7
D4
D5
D6
D7
A8
D8
D9
D10
DNU
WP#
D-DM0
ACC
WE#
A11
F2-CE# DNU
E1
E2
A3
E3
A6
E4
E5
E6
E7
E8
E9
E10
Flash/SDRAM Shared
SDRAM only
DNU
D-DM1 F-RST#
RFU
A19
A12
A15
DNU
F1
F2
A2
F3
A5
F4
F5
F6
F7
A9
F8
F9
F10
DNU
A18
RDY
A20
A13
A21
DNU
G1
G2
A1
G3
A4
G4
G6
G7
G8
G9
G10
DNU
DNU
A17
A23
A10
A14
A22
Reserved for
Future Use
H1
H2
A0
H3
H4
H7
H8
H9
H10
DNU
DNU
VSS
DQ1
DQ6
RFU
A16
Data Flash only
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
DNU F1-CE#
OE#
DQ9
DQ3
DQ4
DQ13
DQ15
RFU
DNU
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
DNU
Flash/Data Shared
DNU
RFU
DQ0
DQ10
F-VCC
D-VCC
DQ12
DQ7
VSS
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
Code Flash Only
Do Not Use
DNU
D-VCC
DQ8
DQ2
DQ11
RFU
DQ5
DQ14
RFU
DNU
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
DNU
DNU
RFU
RFU
VSS
F-VCC
RFU
RFU
RFU
RFU
N1
N2
N9
N10
RFU
N3
N4
N5
N6
N7
N8
DNU
DNU
DNU
DNU
DNU
DNU
RFU
D-BA0
D-BA1
P1
P2
P9
P10
RFU
P3
P4
P5
P6
P7
P8
RFU
D-VSS
RFU
DNU
DNU
DNU
DNU
DNU
DNU
Ir)
ꢀꢁ 7LHꢂWKHꢂ6'5$0ꢂ9 ꢂDQGꢂ9
ꢂWRꢂ'ꢃ9 ꢁ
66
66
664
ꢆꢁ 7LHꢂWKHꢂ6'5$0ꢂ9&&ꢂDQGꢂ9&&4ꢂWRꢂ'ꢃ9&&
ꢁ
6SHFLDOꢀ+DQGOLQJꢀ,QVWUXFWLRQVꢀ)RUꢀ)%*$ꢀ3DFNDJH
6SHFLDOꢀKDQGOLQJꢀLVꢀUHTXLUHGꢀIRUꢀ)ODVKꢀ0HPRU\ꢀSURGXFWVꢀLQꢀ)%*$ꢀSDFNDJHVꢃ
)ODVKꢀPHPRU\ꢀGHYLFHVꢀLQꢀ)%*$ꢀSDFNDJHVꢀPD\ꢀEHꢀGDPDJHGꢀLIꢀH[SRVHGꢀWRꢀXOWUDꢅ
VRQLFꢀFOHDQLQJꢀPHWKRGVꢃꢀ7KHꢀSDFNDJHꢀDQGꢒRUꢀGDWDꢀLQWHJULW\ꢀPD\ꢀEHꢀFRPSURPLVHGꢀ
LIꢀWKHꢀSDFNDJHꢀERG\ꢀLVꢀH[SRVHGꢀWRꢀWHPSHUDWXUHVꢀDERYHꢀꢇꢊꢌ°&ꢀIRUꢀSURORQJHGꢀSHULꢅ
RGVꢀRIꢀWLPHꢃ
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
13
A d v a n c e I n f o r m a t i o n
3.3
256MbFlash with 128Mb SDRAM
ꢄꢅꢆꢇEDOOꢀ)LQHꢇ3LWFKꢀ%DOOꢀ*ULGꢀ$UUD\
ꢁ7RSꢀ9LHZꢄꢀ%DOOVꢀ)DFLQJꢀ'RZQꢂ
A1
A2
A9
A10
A3
A4
A5
A6
A7
A8
D-CKE D-CLK
DNU
DNU
DNU
DNU
DNU
DNU
D-VSS D-CE#
B1
B2
B9
B10
B3
B4
B5
B6
B7
B8
D-RAS# D-WE#
RFU D-CAS#
DNU
DNU
DNU
DNU
DNU
DNU
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
DNU
DNU
AVD#
VSS
CLK
RFU
RFU
RFU
RFU
RFU
Legend
D1
D2
D3
A7
D4
D5
D6
D7
A8
D8
D9
D10
DNU
DNU
WP#
D-DM0
ACC
WE#
A11
RFU
E1
E2
A3
E3
A6
E4
E5
E6
E7
E8
E9
E10
Flash/SDRAM Shared
SDRAM only
DNU
D-DM1 F-RST#
RFU
A19
A12
A15
DNU
F1
F2
A2
F3
A5
F4
F5
F6
F7
A9
F8
F9
F10
DNU
A18
RDY
A20
A13
A21
DNU
G1
G2
A1
G3
A4
G4
G6
G7
G8
G9
G10
DNU
DNU
A17
A23
A10
A14
A22
Reserved for
Future Use
H1
H2
A0
H3
H4
H7
H8
H9
H10
DNU
DNU
VSS
DQ1
DQ6
RFU
A16
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
Code Flash Only
Do Not Use
DNU F1-CE#
OE#
DQ9
DQ3
DQ4
DQ13
DQ15
RFU
DNU
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
DNU
DNU
RFU
DQ0
DQ10
F-VCC
D-VCC
DQ12
DQ7
VSS
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
DNU
D-VCC
DQ8
DQ2
DQ11
RFU
DQ5
DQ14
RFU
DNU
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
DNU
DNU
RFU
RFU
VSS
F-VCC
RFU
RFU
RFU
RFU
N1
N2
N9
N10
RFU
N3
N4
N5
N6
N7
N8
DNU
DNU
DNU
DNU
DNU
DNU
RFU
D-BA0
D-BA1
P1
P2
P9
P10
RFU
P3
P4
P5
P6
P7
P8
RFU
D-VSS
RFU
DNU
DNU
DNU
DNU
DNU
DNU
Ir)
ꢀꢁ 7LHꢂWKHꢂ6'5$0ꢂ9 ꢂDQGꢂ9
ꢂWRꢂ'ꢃ9
ꢁ
66
664
66
ꢆꢁ 7LHꢂWKHꢂ6'5$0ꢂ9&&ꢂDQGꢂ9&&4ꢂWRꢂ'ꢃ9&&
ꢁ
6SHFLDOꢀ+DQGOLQJꢀ,QVWUXFWLRQVꢀ)RUꢀ)%*$ꢀ3DFNDJH
6SHFLDOꢀKDQGOLQJꢀLVꢀUHTXLUHGꢀIRUꢀ)ODVKꢀ0HPRU\ꢀSURGXFWVꢀLQꢀ)%*$ꢀSDFNDJHVꢃ
)ODVKꢀPHPRU\ꢀGHYLFHVꢀLQꢀ)%*$ꢀSDFNDJHVꢀPD\ꢀEHꢀGDPDJHGꢀLIꢀH[SRVHGꢀWRꢀXOWUDꢅ
VRQLFꢀFOHDQLQJꢀPHWKRGVꢃꢀ7KHꢀSDFNDJHꢀDQGꢒRUꢀGDWDꢀLQWHJULW\ꢀPD\ꢀEHꢀFRPSURPLVHGꢀ
LIꢀWKHꢀSDFNDJHꢀERG\ꢀLVꢀH[SRVHGꢀWRꢀWHPSHUDWXUHVꢀDERYHꢀꢇꢊꢌ°&ꢀIRUꢀSURORQJHGꢀSHULꢅ
RGVꢀRIꢀWLPHꢃ
14
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
3.4 Lookahead Diagram on Shared Bus
A8
A9
A10
A6
A7
A2
A1
A4
A5
Legend:
A3
DNU
DNU
DNU
D-CLK
D-VSS
D-CE#
D-CKE
DNU
DNU
DNU
RFU
(Reserved for
Future Use)
B7
B8
B5
B6
B9
B10
B1
B2
B3
B4
DNU
DNU
DNU
DNU
D-RAS# D-WE#
D-DQS3 D-CAS#
DNU
DNU
C1
C2
C4
C5
C6
C7
C8
C9
C3
C10
Code Flash Only
DNU
AVD#
VSS
CLK
F2-CE#
F-VCC
F-CLK#
R-OE# F2-OE#
DNU
D1
D4
D2
D3
D5
D6
D7
A8
D8
DD99
D10
D-DM0/
R-LB#
DNU
WP#
D-A7
ACC
WE#
A11
F3-CE#
DNU
MirrorBit Data
Only
E1
E2
A3
E3
A6
E4
E5
E6
E7
E8
E9
E10
D-DM1/
R-UB#
DNU
F-RST#
R-CE2
A19
A12
A15
DNU
Flash/Data
Shared
F1
F2
A2
F3
A5
F4
F5
F6
F7
A9
F8
F9
F10
DNU
RDY/WAIT#
A18
A20
A13
A21
DNU
G1
G2
A1
G3
A4
G4
G6
G7
G8
G9
G10
DNU
Flash/xRAM
Shared
DNU
A17
A23
A10
A14
A22
H1
H2
A0
H3
H4
H7
H8
H9
H10
DNU
pSRAM Only
xRAM Shared
VSS
DQ1
DQ6
A24
A16
DNU
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
R-CRE
or R-MRS
DNU
DQ9
DQ3
DQ4
DQ13
DQ15
DNU
F1-CE#
OE#
K1
K2
K5
K7
K3
K4
K6
K8
K9
K10
DNU
DQ12
VSS
DNU
R-CE1#
DQ0
DQ10
F-VCC
R-VCC
DQ7
SDRAM Only
L1
L2
L4
L5
L6
L7
L8
LL99
L3
L10
DNU
DQ2
DQ11
A25
DQ5
DQ14
WP#
DNU
R-VCC
DQ8
M1
M5
M9
M2
M3
M4
MM66
M7
M8
M10
DNU
DNU
DD-CLK#
A27
A26
VSS
F-VCC
F4-CE# R-VCCQ F-VCCQ
N10
N1
N2
N9
N4
N5
N6
N7
N8
N3
D-BA0
F-DQS1
F-DQS0
D-BA1
DNU
DNU
DNU
DNU
DNU
DNU
P1
P2
P10
P5
P9
P3
P4
P6
P7
P8
D-DQS0
D-VSS
D-DQS2 D-DQS1
DNU
DNU
DNU
DNU
DNU
DNU
Ir)
ꢀꢁ ,QꢂDGGLWLRQꢂWRꢂEHLQJꢂGHILQHGꢂDVꢂ)ꢆꢃ&(ꢅꢄꢂ%DOOꢂ&ꢉꢂFDQꢂDOVRꢂEHꢂDVVLJQHGꢂDVꢂ)ꢀꢃ&(ꢆꢅꢂIRUꢂFRGHꢂIODVKꢂWKDWꢂ
KDVꢂWZRꢂFKLSꢂHQDEOHꢂVLJQDOVꢁ
ꢆꢁ )ꢀꢂDQGꢂ)ꢆꢂGHQRWHꢂ;,3ꢍ&RGHꢂ)ODVKꢄꢂZKLOHꢂ)ꢊꢂDQGꢂ)ꢎꢂGHQRWHꢂ'DWDꢍ&RPSDQLRQꢂ)ODVKꢁ
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
15
A d v a n c e I n f o r m a t i o n
4 Input/Output Descriptions
$ꢏꢑꢅ$ꢌ
$ꢇꢏꢅ$ꢌ
'4ꢇꢊꢅ'4ꢌ
&(ꢔIꢏ
)ODVKꢀ$GGUHVVꢀLQSXWVꢀ
6'5$0ꢀ$GGUHVVꢀLQSXWV
)ODVKꢀDQGꢀ6'5$0ꢀVKDUHGꢀEXVꢀLQSXWꢒRXWSXW
)ODVKꢀ&KLSꢅHQDEOHꢀLQSXWꢀꢔꢀꢏꢃꢀ$V\QFKURQRXVꢀUHODWLYHꢀ
WRꢀ&/.ꢀIRUꢀEXUVWꢀPRGHꢃ
&(ꢔIꢇ
2(ꢔ
)ODVKꢀ&KLSꢅHQDEOHꢀLQSXWꢀꢔꢇꢃꢀ$V\QFKURQRXVꢀUHODWLYHꢀ
WRꢀ&/.ꢀIRUꢀ%XUVWꢀ0RGHꢃ
)ODVKꢀ2XWSXWꢀ(QDEOHꢀLQSXWꢃꢀ$V\QFKURQRXVꢀUHODWLYHꢀWRꢀ
&/.ꢀIRUꢀ%XUVWꢀPRGHꢃ
:(ꢔ
)ODVKꢀ:ULWHꢀ(QDEOHꢀLQSXWꢃ
)ODVKꢀGHYLFHꢀSRZHUꢀVXSSO\ꢀꢁꢇꢃꢈꢀ9ꢀꢅꢀꢇꢃꢉꢊ9ꢂꢃ
,QSXWꢒ2XWSXWꢀ%XIIHUꢀSRZHUꢀVXSSO\ꢃ
*URXQG
5HVHUYHGꢀIRUꢀ)XWXUHꢀ8VH
)ODVKꢀUHDG\ꢀRXWSXWꢃꢀ,QGLFDWHVꢀWKHꢀVWDWXVꢀRIꢀWKHꢀ%XUVWꢀ
UHDGꢃꢀ92/ꢀ ꢀGDWDꢀYDOLGꢃ
9&&
9&&
966
I
T
5)8
5'<
&/.
)ODVKꢀ&ORFNꢃꢀ7KHꢀILUVWꢀULVLQJꢀHGJHꢀRIꢀ&/.ꢀLQꢀ
FRQMXQFWLRQꢀZLWKꢀ$9'ꢔꢀORZꢀODWFKHVꢀWKHꢀDGGUHVVꢀ
LQSXWꢀDQGꢀDFWLYDWHVꢀEXUVWꢀPRGHꢀRSHUDWLRQꢃꢀ$IWHUꢀWKHꢀ
LQLWLDOꢀZRUGꢀLVꢀRXWSXWꢄꢀVXEVHTXHQWꢀULVLQJꢀHGJHVꢀRIꢀ
&/.ꢀLQFUHPHQWꢀWKHꢀLQWHUQDOꢀDGGUHVVꢀFRXQWHUꢃꢀ&/.ꢀ
VKRXOGꢀUHPDLQꢀORZꢀGXULQJꢀDV\QFKURQRXVꢀDFFHVVꢃ
$9'ꢔ
)ODVKꢀ$GGUHVVꢀ9DOLGꢀLQSXWꢃꢀ,QGLFDWHVꢀWRꢀGHYLFHꢀWKDWꢀ
WKHꢀYDOLGꢀDGGUHVVꢀLVꢀSUHVHQWꢀRQꢀWKHꢀDGGUHVVꢀLQSXWVꢃ
9,/ꢀ ꢀIRUꢀDV\QFKURQRXVꢀPRGHꢄꢀLQGLFDWHVꢀYDOLGꢀ
DGGUHVVꢕꢀIRUꢀEXUVWꢀPRGHꢄꢀFDXVHVꢀVWDUWLQJꢀDGGUHVVꢀWRꢀ
EHꢀODWFKHGꢀRQꢀULVLQJꢀHGJHꢀRIꢀ&/.ꢃꢀ
9,+ ꢀGHYLFHꢀLJQRUHVꢀDGGUHVVꢀLQSXWV
5(6(7ꢔ
:3ꢔ
)ODVKꢀKDUGZDUHꢀUHVHWꢀLQSXWꢃꢀ9,/ ꢀGHYLFHꢀUHVHWVꢀDQGꢀ
UHWXUQVꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢀ
)ODVKꢀKDUGZDUHꢀZULWHꢀSURWHFWꢀLQSXWꢃꢀ9,/ꢀ ꢀGLVDEOHVꢀ
SURJUDPꢀDQGꢀHUDVHꢀIXQFWLRQVꢀLQꢀWKHꢀIRXUꢀRXWHUPRVWꢀ
VHFWRUVꢃ
$&&
)ODVKꢀDFFHOHUDWHGꢀLQSXWꢃꢀ$Wꢀ9++ꢄꢀDFFHOHUDWHVꢀ
SURJUDPPLQJꢕꢀDXWRPDWLFDOO\ꢀSODFHVꢀGHYLFHꢀLQꢀXQORFNꢀ
E\SDVVꢀPRGHꢃꢀ$Wꢀ9,/ꢄꢀGLVDEOHVꢀDOOꢀSURJUDPꢀDQGꢀHUDVHꢀ
IXQFWLRQVꢃꢀ6KRXOGꢀEHꢀDWꢀ9,+ꢀIRUꢀDOOꢀRWKHUꢀFRQGLWLRQVꢃ
'ꢅ&/.
'ꢅ&(ꢔ
'ꢅ&.(
'ꢅ%$ꢇꢅ%$ꢌ
'ꢅ5$6ꢔ
'ꢅ&$6ꢔ
'ꢅ'0ꢇꢅ'ꢅ'0ꢌ
'ꢅ:(ꢔ
6'5$0ꢀ6\VWHPꢀ&ORFNꢀ
6'5$0ꢀ&KLSꢀ6HOHFW
6'5$0ꢀ&ORFNꢀ(QDEOH
6'5$0ꢀ%DQNꢀ6HOHFW
6'5$0ꢀ5RZꢀ$GGUHVVꢀ6WUREH
6'5$0ꢀ&ROXPQꢀ$GGUHVVꢀ6WUREH
6'5$0ꢀ'DWDꢀ,QSXWꢒ2XWSXWꢀ0DVN
6'5$0ꢀ:ULWHꢀ(QDEOHꢀLQSXW
6'5$0ꢀ*URXQG
6'5$0ꢀ,QSXWꢒ2XWSXWꢀ%XIIHUꢀJURXQG
6'5$0ꢀ,QSXWꢒ2XWSXWꢀ%XIIHUꢀSRZHUꢀVXSSO\
6'5$0ꢀGHYLFHꢀSRZHUꢀVXSSO\
'ꢅ966
'ꢅ9664
'ꢅ9&&4
'ꢅ9&&
16
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
5 Logic Symbol for MCP
A23-A0
CLK
16
CE#F1
CE#F2
OE#
DQ15-DQ0
WE#
RESET#
AVD#
RDY
WP#
ACC
D-CLK#
D-CE#
D-CKE
D-BA1-BA0
D-DM1-DM0
D-RAS#
D-CAS#
D-WE#
D-A12-A0
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
17
A d v a n c e I n f o r m a t i o n
6 Ordering Information
7KHꢀRUGHUꢀQXPEHUꢀLVꢀIRUPHGꢀE\ꢀDꢀYDOLGꢀFRPELQDWLRQVꢀRIꢀWKHꢀIROORZLQJꢆ
S73WS 256
N
DE BA
W
A
7
0
3$&.,1*ꢀ7<3(
ꢌ
ꢏ
ꢑ
7UD\
ꢈ´ꢀ7DSHꢀDQGꢀ5HHO
ꢇꢑ´ꢀ7DSHꢀDQGꢀ5HHO
02'(/ꢀ180%(5ꢀ
ꢈ
6'5$0ꢀW\SHꢀꢇꢄꢀꢇꢌꢍꢀ0+]ꢅ'<%¶VꢀGHIDXOWꢀWRꢀRQHVꢀꢁꢇ¶VꢂꢀDIWHUꢀSRZHUꢀXSꢀ
ꢁVHFWRUꢀXQSURWHFWHGꢂ
%
6'5$0ꢀW\SHꢀꢏꢄꢀꢇꢌꢍꢀ0+]ꢅ'<%¶VꢀGHIDXOWꢀWRꢀRQHVꢀꢁꢇ¶VꢂꢀDIWHUꢀSRZHUꢀXSꢀ
ꢁVHFWRUꢀXQSURWHFWHGꢂ
3$&.$*(ꢀ02',),(5
$
7
ꢉꢀ[ꢀꢇꢏꢃꢌPPꢄꢀꢇꢃꢏꢀPPꢀKHLJKWꢄꢀꢇꢑꢈꢀEDOOVꢄꢀ)%*$ꢀ
ꢉꢀ[ꢀꢇꢏꢃꢌꢀPPꢄꢀꢇꢃꢍꢀPPꢀKHLJKWꢄꢀꢇꢑꢈꢀEDOOVꢄꢀ)%*$
7(03(5$785(ꢀ5$1*(
:LUHOHVVꢀꢁꢅꢏꢊ &ꢀWRꢀꢐꢋꢊ &ꢂ
:
°
°
3$&.$*(ꢀ7<3(
%$
%)
9HU\ꢅWKLQꢀ)LQHꢅSLWFKꢀ%*$ꢀ/HDGꢀꢁ3EꢂꢅIUHHꢀFRPSOLDQWꢀSDFNDJH
9HU\ꢅWKLQꢀ)LQHꢅSLWFKꢀ%*$ꢀ/HDGꢀꢁ3EꢂꢅIUHHꢀSDFNDJH
6'5$0ꢀ'(16,7<
((
'(
'ꢌ
ꢏꢊꢎꢀ0Eꢀ6'5$0ꢄꢀꢏꢊꢎꢀ0Eꢀ'DWDꢀ)ODVK
ꢇꢏꢋꢀ0Eꢀ6'5$0ꢄꢀꢏꢊꢎꢀ0Eꢀ'DWDꢀ)ODVK
ꢇꢏꢋꢀ0Eꢀ6'5$0ꢄꢀ1Rꢀ'DWDꢀ)ODVK
352&(66ꢀ7(&+12/2*<
ꢇꢇꢌꢀQPꢄꢀ0LUURU%LW ꢀ7HFKQRORJ\ꢀ
1
&2'(ꢀ)/$6+ꢀ'(16,7<
ꢏꢊꢎ ꢏꢊꢎ0E
352'8&7ꢀ)$0,/<
6ꢈꢑ:6ꢀ0XOWLꢅFKLSꢀ3URGXFWꢀꢁ0&3ꢂ
ꢇꢃꢋꢅYROWꢀ6LPXOWDQHRXVꢀ5HDGꢒ:ULWHꢄꢀ%XUVWꢀ0RGHꢀ)ODVKꢀ0HPRU\ꢀDQGꢀ0RELOHꢀ
6'5$0ꢀRQꢀ6KDUHGꢀ$GGUHVVꢒ'DWDꢀ%XV
18
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
6ꢆꢅ:6ꢈꢉꢊ1'ꢋꢀ9DOLGꢀ&RPELQDWLRQV
)/DVK
,QLWLDOꢌ
%XUVWꢀ
6SHHG
6'5$0
%XUVWꢀ
6SHHG
6'5$0ꢀ
6XSSOLHU
3DFNDJHꢀ
0DUNLQJ
3DFNDJHꢀ7\SH
%DVHꢀ2UGHULQJꢀ
3DUWꢀ1XPEHU
3DFNDJHꢀꢍꢀ
7HPSHUDWXUH
0RGHOꢀ
1XPEHU
3DFNLQJꢀ
7\SH
$ꢈ
$%
6XSSOLHUꢀꢇ
6XSSOLHUꢀꢏ
ꢌꢄꢀꢏꢄꢀꢑ
ꢁ1RWHꢀꢇꢂ
ꢉ[ꢇꢏ[ꢇꢃꢏPPꢀ
ꢇꢑꢈꢅEDOO
6ꢈꢑ:6ꢏꢊꢎ1'ꢌ
%$:ꢄꢀ%):
ꢈꢌQVꢒꢊꢍꢀ0+]
ꢇꢌꢍꢀ0+]
ꢁ1RWHꢀꢏꢂ
Ir)
9DOLGꢀ&RPELQDWLRQV
ꢀꢁ 7\SHꢂꢈꢂLVꢂVWDQGDUGꢁꢂ6SHFLI\ꢂRWKHUꢂRSWLRQVꢂDVꢂUHTXLUHGꢁ
ꢆꢁ %*$ꢂSDFNDJHꢂPDUNLQJꢂRPLWVꢂOHDGLQJꢂ³6´ꢂDQGꢂSDFNLQJꢂW\SHꢂ
GHVLJQDWRUꢂIURPꢂRUGHULQJꢂSDUWꢂQXPEHUꢁ
9DOLGꢀ&RPELQDWLRQVꢀOLVWꢀFRQILJXUDWLRQVꢀSODQQHGꢀWRꢀEHꢀVXSSRUWHGꢀLQꢀYROꢅ
XPHꢀIRUꢀWKLVꢀGHYLFHꢃꢀ&RQVXOWꢀ\RXUꢀORFDOꢀVDOHVꢀRIILFHꢀWRꢀFRQILUPꢀDYDLOꢅ
DELOLW\ꢀRIꢀVSHFLILFꢀYDOLGꢀFRPELQDWLRQVꢀDQGꢀWRꢀFKHFNꢀRQꢀQHZO\ꢀUHOHDVHGꢀ
FRPELQDWLRQVꢃ
6ꢆꢅ:6ꢈꢉꢊ1'(ꢀ9DOLGꢀ&RPELQDWLRQV
)/DVK
6'5$0
%XUVWꢀ
6SHHG
,QLWLDOꢌ
%XUVWꢀ
6SHHG
6'5$0ꢀ
6XSSOLHU
3DFNDJHꢀ
0DUNLQJ
3DFNDJHꢀ7\SH
%DVHꢀ2UGHULQJꢀ
3DUWꢀ1XPEHU
3DFNDJHꢀꢍꢀ
7HPSHUDWXUH
0RGHOꢀ
1XPEHU
3DFNLQJꢀ
7\SH
7ꢈ
7%
6XSSOLHUꢀꢇ
6XSSOLHUꢀꢏ
ꢌꢄꢀꢏꢄꢀꢑꢀ
ꢁ1RWHꢀꢇꢂ
ꢉ[ꢇꢏ[ꢇꢃꢍPPꢀ
ꢇꢑꢈꢅEDOO
6ꢈꢑ:6ꢏꢊꢎ1'(
%$:ꢄꢀ%):
ꢈꢌQVꢒꢊꢍꢀ0+]
ꢇꢌꢍꢀ0+]
ꢁ1RWHꢀꢏꢂ
Ir)
9DOLGꢀ&RPELQDWLRQV
ꢀꢁ 7\SHꢂꢈꢂLVꢂVWDQGDUGꢁꢂ6SHFLI\ꢂRWKHUꢂRSWLRQVꢂDVꢂUHTXLUHGꢁ
ꢆꢁ %*$ꢂSDFNDJHꢂPDUNLQJꢂRPLWVꢂOHDGLQJꢂ³6´ꢂDQGꢂSDFNLQJꢂW\SHꢂ
GHVLJQDWRUꢂIURPꢂRUGHULQJꢂSDUWꢂQXPEHUꢁ
9DOLGꢀ&RPELQDWLRQVꢀOLVWꢀFRQILJXUDWLRQVꢀSODQQHGꢀWRꢀEHꢀVXSSRUWHGꢀLQꢀYROꢅ
XPHꢀIRUꢀWKLVꢀGHYLFHꢃꢀ&RQVXOWꢀ\RXUꢀORFDOꢀVDOHVꢀRIILFHꢀWRꢀFRQILUPꢀDYDLOꢅ
DELOLW\ꢀRIꢀVSHFLILFꢀYDOLGꢀFRPELQDWLRQVꢀDQGꢀWRꢀFKHFNꢀRQꢀQHZO\ꢀUHOHDVHGꢀ
FRPELQDWLRQVꢃ
6ꢆꢅ:6ꢈꢉꢊ1((ꢀ9DOLGꢀ&RPELQDWLRQV
)/DVK
6'5$0
%XUVWꢀ
6SHHG
,QLWLDOꢌ
%XUVWꢀ
6SHHG
6'5$0ꢀ
6XSSOLHU
3DFNDJHꢀ
0DUNLQJ
3DFNDJHꢀ7\SH
%DVHꢀ2UGHULQJꢀ
3DUWꢀ1XPEHU
3DFNDJHꢀꢍꢀ
7HPSHUDWXUH
0RGHOꢀ
1XPEHU
3DFNLQJꢀ
7\SH
7ꢈ
7%
6XSSOLHUꢀꢇ
6XSSOLHUꢀꢏ
ꢌꢄꢀꢏꢄꢀꢑꢀ
ꢁ1RWHꢀꢇꢂ
ꢉ[ꢇꢏ[ꢇꢃꢍPPꢀ
ꢇꢑꢈꢅEDOO
6ꢈꢑ:6ꢏꢊꢎ1((
%$:ꢄꢀ%):
ꢈꢌQVꢒꢊꢍꢀ0+]
ꢇꢌꢍꢀ0+]
ꢁ1RWHꢀꢏꢂ
Ir)
9DOLGꢀ&RPELQDWLRQV
ꢀꢁ 7\SHꢂꢈꢂLVꢂVWDQGDUGꢁꢂ6SHFLI\ꢂRWKHUꢂRSWLRQVꢂDVꢂUHTXLUHGꢁ
ꢆꢁ %*$ꢂSDFNDJHꢂPDUNLQJꢂRPLWVꢂOHDGLQJꢂ³6´ꢂDQGꢂSDFNLQJꢂW\SHꢂ
GHVLJQDWRUꢂIURPꢂRUGHULQJꢂSDUWꢂQXPEHUꢁ
9DOLGꢀ&RPELQDWLRQVꢀOLVWꢀFRQILJXUDWLRQVꢀSODQQHGꢀWRꢀEHꢀVXSSRUWHGꢀLQꢀYROꢅ
XPHꢀIRUꢀWKLVꢀGHYLFHꢃꢀ&RQVXOWꢀ\RXUꢀORFDOꢀVDOHVꢀRIILFHꢀWRꢀFRQILUPꢀDYDLOꢅ
DELOLW\ꢀRIꢀVSHFLILFꢀYDOLGꢀFRPELQDWLRQVꢀDQGꢀWRꢀFKHFNꢀRQꢀQHZO\ꢀUHOHDVHGꢀ
FRPELQDWLRQVꢃ
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
19
A d v a n c e I n f o r m a t i o n
7 Physical Dimensions
7.1
TLD137—137-ball Fine-Pitch Ball Grid Array (FBGA) 9 x 12.0 mm Package
A
D1
D
eD
0.15
(2X)
C
10
9
8
SE
7
7
6
E
E1
5
4
3
2
1
eE
J
H
G
F
E
D
C
B
A
P
N M L K
INDEX MARK
10
PIN A1
CORNER
PIN A1
CORNER
B
7
SD
0.15
(2X)
C
TOP VIEW
BOTTOM VIEW
0.20
0.08
C
C
A2
A
C
A1
SIDE VIEW
6
137X
b
0.15
0.08
M
C
C
A
B
M
NOTES:
PACKAGE
JEDEC
TLD 137
N/A
1. DIMENSIONING AND TOLERANCING METHODS PER
ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS.
D x E
12.00 mm x 9.00 mm
PACKAGE
3. BALL POSITION DESIGNATION PER JESD 95-1, SPP-010.
SYMBOL
MIN
---
NOM
---
MAX
NOTE
4.
e REPRESENTS THE SOLDER BALL GRID PITCH.
A
A1
1.20
---
PROFILE
5. SYMBOL "MD" IS THE BALL MATRIX SIZE IN THE "D"
DIRECTION.
0.17
0.81
---
BALL HEIGHT
BODY THICKNESS
BODY SIZE
SYMBOL "ME" IS THE BALL MATRIX SIZE IN THE
"E" DIRECTION.
A2
---
0.97
D
12.00 BSC.
9.00 BSC.
10.40 BSC.
7.20 BSC.
14
n IS THE NUMBER OF POPULTED SOLDER BALL POSITIONS
FOR MATRIX SIZE MD X ME.
E
BODY SIZE
D1
E1
MATRIX FOOTPRINT
MATRIX FOOTPRINT
6
7
DIMENSION "b" IS MEASURED AT THE MAXIMUM BALL
DIAMETER IN A PLANE PARALLEL TO DATUM C.
SD AND SE ARE MEASURED WITH RESPECT TO DATUMS A
AND B AND DEFINE THE POSITION OF THE CENTER SOLDER
BALL IN THE OUTER ROW.
MD
ME
n
MATRIX SIZE D DIRECTION
MATRIX SIZE E DIRECTION
BALL COUNT
10
137
WHEN THERE IS AN ODD NUMBER OF SOLDER BALLS IN THE
OUTER ROW SD OR SE = 0.000.
φb
0.35
0.40
0.45
BALL DIAMETER
WHEN THERE IS AN EVEN NUMBER OF SOLDER BALLS IN THE
OUTER ROW, SD OR SE = e/2
eE
0.80 BSC.
0.80 BSC
0.40 BSC.
G5,H5,H6
BALL PITCH
eD
SD / SE
BALL PITCH
8. "+" INDICATES THE THEORETICAL CENTER OF DEPOPULATED
BALLS.
SOLDER BALL PLACEMENT
DEPOPULATED SOLDER BALLS
9. N/A
10 A1 CORNER TO BE IDENTIFIED BY CHAMFER, LASER OR INK
MARK, METALLIZED MARK INDENTATION OR OTHER MEANS.
3393\ 16-038.22a
20
S73WS256N Based MCPs
S73WS256N_00_A3 December 16, 2005
A d v a n c e I n f o r m a t i o n
7.2 FTF137—137-ball Fine-Pitch Ball Grid Array (FBGA) 9 x 12.0 x 1.4 mm Package
A
D1
D
eD
0.15
(2X)
C
10
9
8
SE
7
7
6
E
B
E1
5
4
3
2
1
eE
J
H
G
F
E
D
C
B
A
P
N M L K
INDEX MARK
9
PIN A1
CORNER
PIN A1
CORNER
7
SD
0.15
(2X)
C
TOP VIEW
BOTTOM VIEW
0.20
0.08
C
A2
A
A1
C
C
SIDE VIEW
6
137X
b
M
0.15
0.08
C
C
A
B
M
NOTES:
PACKAGE
JEDEC
FTF 137
N/A
1. DIMENSIONING AND TOLERANCING METHODS PER
ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS.
D x E
12.00 mm x 9.00 mm
PACKAGE
NOTE
3. BALL POSITION DESIGNATION PER JEP95, SECTION
4.3, SPP-010.
SYMBOL
MIN
NOM
---
MAX
4.
e REPRESENTS THE SOLDER BALL GRID PITCH.
A
A1
---
1.40
---
PROFILE
5. SYMBOL "MD" IS THE BALL MATRIX SIZE IN THE "D"
DIRECTION.
0.17
1.02
---
BALL HEIGHT
A2
---
1.17
BODY THICKNESS
BODY SIZE
SYMBOL "ME" IS THE BALL MATRIX SIZE IN THE
"E" DIRECTION.
D
12.00 BSC.
9.00 BSC.
10.40 BSC.
7.20 BSC.
14
E
BODY SIZE
n IS THE NUMBER OF POPULTED SOLDER BALL POSITIONS
FOR MATRIX SIZE MD X ME.
D1
MATRIX FOOTPRINT
MATRIX FOOTPRINT
6
7
DIMENSION "b" IS MEASURED AT THE MAXIMUM BALL
DIAMETER IN A PLANE PARALLEL TO DATUM C.
E1
MD
ME
n
MATRIX SIZE D DIRECTION
MATRIX SIZE E DIRECTION
BALL COUNT
SD AND SE ARE MEASURED WITH RESPECT TO DATUMS A
AND B AND DEFINE THE POSITION OF THE CENTER SOLDER
BALL IN THE OUTER ROW.
10
137
WHEN THERE IS AN ODD NUMBER OF SOLDER BALLS IN THE
OUTER ROW SD OR SE = 0.000.
Ø b
eE
0.35
0.40
0.45
BALL DIAMETER
0.80 BSC.
0.80 BSC
0.40 BSC.
G5,H5,H6
BALL PITCH
WHEN THERE IS AN EVEN NUMBER OF SOLDER BALLS IN THE
OUTER ROW, SD OR SE = e/2
eD
BALL PITCH
SD / SE
SOLDER BALL PLACEMENT
DEPOPULATED SOLDER BALLS
8. "+" INDICATES THE THEORETICAL CENTER OF DEPOPULATED
BALLS.
9
A1 CORNER TO BE IDENTIFIED BY CHAMFER, LASER OR INK
MARK, METALLIZED MARK INDENTATION OR OTHER MEANS.
3532 \ 16-038.21 \ 12.13.05
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
21
S29WS-N MirrorBitTM Flash Family
S29WS256N, S29WS128N
256/128 Megabit (16/8 M x 16 bit) CMOS 1.8 Volt-only
Simultaneous Read/Write, Burst-mode Flash Memory
PRELIMINARY
Data Sheet
General Description
7KHꢀ6SDQVLRQꢀ6ꢏꢉ:6ꢏꢊꢎꢒꢇꢏꢋꢀDUHꢀ0LUURUELW ꢀ)ODVKꢀSURGXFWVꢀIDEULFDWHGꢀRQꢀꢇꢇꢌ QPꢀSURFHVVꢀWHFKQRORJ\ꢃꢀ7KHVHꢀEXUVW
PRGHꢀ)ODVKꢀGHYLFHVꢀDUHꢀFDSDEOHꢀRIꢀSHUIRUPLQJꢀVLPXOWDQHRXVꢀUHDGꢀDQGꢀZULWHꢀRSHUDWLRQVꢀZLWKꢀ]HURꢀODWHQF\ꢀRQꢀWZRꢀVHSDꢅ
UDWHꢀEDQNVꢀXVLQJꢀVHSDUDWHꢀGDWDꢀDQGꢀDGGUHVVꢀSLQVꢃꢀ7KHVHꢀSURGXFWVꢀFDQꢀRSHUDWHꢀXSꢀWRꢀꢋꢌ 0+]ꢀDQGꢀXVHꢀDꢀVLQJOHꢀ9&&ꢀRI
ꢇꢃꢈ 9 WR ꢇꢃꢉꢊ 9ꢀWKDWꢀPDNHVꢀWKHPꢀLGHDOꢀIRUꢀWRGD\¶VꢀGHPDQGLQJꢀZLUHOHVVꢀDSSOLFDWLRQVꢀUHTXLULQJꢀKLJKHUꢀGHQVLW\ꢄꢀEHWWHUꢀSHUꢅ
IRUPDQFHꢀDQGꢀORZHUHGꢀSRZHUꢀFRQVXPSWLRQꢃ
Distinctive Characteristics
6LQJOHꢀꢄꢎꢏꢀ9ꢀUHDGꢌSURJUDPꢌHUDVHꢀꢂꢄꢎꢆꢋ±ꢄꢎꢐꢉꢀ9ꢃ
&RPPDQGꢀVHWꢀFRPSDWLEOHꢀZLWKꢀ-('(&ꢀꢂꢒꢈꢎꢒꢃꢀ
VWDQGDUG
ꢄꢄꢋꢀQPꢀ0LUURU%LWꢀ7HFKQRORJ\
+DUGZDUHꢀꢂ:3ꢓꢃꢀSURWHFWLRQꢀRIꢀWRSꢀDQGꢀERWWRPꢀ
VHFWRUV
6LPXOWDQHRXVꢀ5HDGꢌ:ULWHꢀRSHUDWLRQꢀZLWKꢀ]HURꢀ
ODWHQF\
ꢅꢈꢇZRUGꢀ:ULWHꢀ%XIIHU
'XDOꢀERRWꢀVHFWRUꢀFRQILJXUDWLRQꢀꢂWRSꢀDQGꢀERWWRPꢃ
/RZꢀ9&&ꢀZULWHꢀLQKLELW
6L[WHHQꢇEDQNꢀDUFKLWHFWXUHꢀFRQVLVWLQJꢀRIꢀꢄꢊꢌꢏꢀ
0ZRUGVꢀIRUꢀ:6ꢈꢉꢊ1ꢌꢄꢈꢏ1ꢑꢀUHVSHFWLYHO\
3HUVLVWHQWꢀDQGꢀ3DVVZRUGꢀPHWKRGVꢀRIꢀ$GYDQFHGꢀ
6HFWRUꢀ3URWHFWLRQ
)RXUꢀꢄꢊꢀ.ZRUGꢀVHFWRUVꢀDWꢀERWKꢀWRSꢀDQGꢀERWWRPꢀRIꢀ
PHPRU\ꢀDUUD\
:ULWHꢀRSHUDWLRQꢀVWDWXVꢀELWVꢀLQGLFDWHꢀSURJUDPꢀDQGꢀ
HUDVHꢀRSHUDWLRQꢀFRPSOHWLRQ
ꢈꢉꢒꢌꢄꢈꢊꢀꢊꢒꢀ.ZRUGꢀVHFWRUVꢀꢂ:6ꢈꢉꢊ1ꢌꢄꢈꢏ1ꢃ
3URJUDPPDEOHꢀOLQHDUꢀꢂꢏꢌꢄꢊꢌꢅꢈꢃꢀZLWKꢀRUꢀZLWKRXWꢀ
ZUDSꢀDURXQGꢀDQGꢀFRQWLQXRXVꢀEXUVWꢀUHDGꢀPRGHV
6XVSHQGꢀDQGꢀ5HVXPHꢀFRPPDQGVꢀIRUꢀ3URJUDPꢀDQGꢀ
(UDVHꢀRSHUDWLRQV
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀUHJLRQꢀFRQVLVWLQJꢀRIꢀꢄꢈꢏꢀ
ZRUGVꢀHDFKꢀIRUꢀIDFWRU\ꢀDQGꢀFXVWRPHU
8QORFNꢀ%\SDVVꢀSURJUDPꢀFRPPDQGꢀWRꢀUHGXFHꢀ
SURJUDPPLQJꢀWLPH
ꢈꢋꢇ\HDUꢀGDWDꢀUHWHQWLRQꢀꢂW\SLFDOꢃ
6\QFKURQRXVꢀRUꢀ$V\QFKURQRXVꢀSURJUDPꢀRSHUDWLRQꢑꢀ
LQGHSHQGHQWꢀRIꢀEXUVWꢀFRQWUROꢀUHJLVWHUꢀVHWWLQJV
&\FOLQJꢀ(QGXUDQFHꢁꢀꢄꢋꢋꢑꢋꢋꢋꢀF\FOHVꢀSHUꢀVHFWRUꢀ
ꢂW\SLFDOꢃ
$&&ꢀLQSXWꢀSLQꢀWRꢀUHGXFHꢀIDFWRU\ꢀSURJUDPPLQJꢀWLPH
6XSSRUWꢀIRUꢀ&RPPRQꢀ)ODVKꢀ,QWHUIDFHꢀꢂ&),ꢃ
5'<ꢀRXWSXWꢀLQGLFDWHVꢀGDWDꢀDYDLODEOHꢀWRꢀV\VWHP
Performance Characteristics
5HDGꢀ$FFHVVꢀ7LPHV
&XUUHQWꢀ&RQVXPSWLRQꢀꢂW\SLFDOꢀYDOXHVꢃ
6SHHGꢀ2SWLRQꢀꢂ0
+]ꢃ
ꢏꢋ
ꢊꢊ
ꢉꢒ &RQWLQXRXVꢀ%XUVWꢀ5HDGꢀ#ꢀꢋꢌꢀ0+]
6LPXOWDQHRXVꢀ2SHUDWLRQꢀꢁDV\QFKURQRXVꢂ
3URJUDPꢀꢁDV\QFKURQRXVꢂ
ꢑꢋꢀP$
ꢊꢌꢀP$
ꢇꢉꢀP$
ꢇꢉꢀP$
ꢏꢌꢀ$
0D[ꢃꢀ6\QFKꢃꢀ/DWHQF\ꢄꢀQVꢀꢁW,$&&ꢂ
ꢋꢌ
ꢉ
ꢋꢌ
ꢋꢌ
0D[ꢃꢀ6\QFKꢃꢀ%XUVWꢀ$FFHVVꢄꢀQVꢀꢁW%$&&
ꢂ
ꢇꢇꢃꢏ
ꢋꢌ
ꢇꢑꢃꢊ
ꢋꢌ
0D[ꢃꢀ$V\QFKꢃꢀ$FFHVVꢀ7LPHꢄꢀQVꢀꢁW$&&ꢂ
0D[ꢃꢀ$V\QFKꢃꢀ3DJHꢀ$FFHVVꢀ7LPHꢄꢀQVꢀꢁW3$&&
0D[ꢀ&(ꢔꢀ$FFHVVꢀ7LPHꢄꢀQVꢀꢁW&(ꢂ
ꢋꢌ
(UDVHꢀꢁDV\QFKURQRXVꢂ
ꢂ
ꢏꢌ
ꢏꢌ
ꢏꢌ
6WDQGE\ꢀ0RGHꢀꢁDV\QFKURQRXVꢂ
ꢋꢌ
ꢋꢌ
ꢋꢌ
0D[ꢀ2(ꢔꢀ$FFHVVꢀ7LPHꢄꢀQVꢀꢁW2(
ꢂ
ꢇꢑꢃꢊ
ꢇꢑꢃꢊ
ꢇꢑꢃꢊ
7\SLFDOꢀ3URJUDPꢀꢍꢀ(UDVHꢀ7LPHV
6LQJOHꢀ:RUGꢀ3URJUDPPLQJ
ꢍꢌꢀV
ꢉꢃꢍꢀV
ꢎꢀV
(IIHFWLYHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀꢁ9&&ꢂꢀ3HUꢀ:RUG
(IIHFWLYHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀꢁ9$&&ꢂꢀ3HUꢀ:RUG
6HFWRUꢀ(UDVHꢀꢁꢇꢎꢀ.ZRUGꢀ6HFWRUꢂ
ꢇꢊꢌꢀPV
ꢎꢌꢌꢀPV
6HFWRUꢀ(UDVHꢀꢁꢎꢍꢀ.ZRUGꢀ6HFWRUꢂ
Publication Number S29WS-N_m0 Revision I Amendment 0 Issue Date December 3, 2005
7KLVꢀGRFXPHQWꢀVWDWHVꢀWKHꢀFXUUHQWꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢀUHJDUGLQJꢀWKHꢀ6SDQVLRQꢀSURGXFWꢁVꢂꢀGHVFULEHGꢀKHUHLQꢃꢀ7KHꢀ3UHOLPLQDU\ꢀVWDWXVꢀRIꢀWKLVꢀGRFXPHQWꢀLQGLFDWHVꢀWKDW
SURGXFWꢀTXDOLILFDWLRQꢀKDVꢀEHHQꢀFRPSOHWHGꢄꢀDQGꢀWKDWꢀLQLWLDOꢀSURGXFWLRQꢀKDVꢀEHJXQꢃꢀ'XHꢀWRꢀWKHꢀSKDVHVꢀRIꢀWKHꢀPDQXIDFWXULQJꢀSURFHVVꢀWKDWꢀUHTXLUHꢀPDLQWDLQLQJꢀHIILFLHQF\ꢀDQG
TXDOLW\ꢄꢀWKLVꢀGRFXPHQWꢀPD\ꢀEHꢀUHYLVHGꢀE\ꢀVXEVHTXHQWꢀYHUVLRQVꢀRUꢀPRGLILFDWLRQVꢀGXHꢀWRꢀFKDQJHVꢀLQꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢃ
P r e l i m i n a r y
8 Input/Output Descriptions & Logic Symbol
7DEOHꢀꢋꢃꢇꢀLGHQWLILHVꢀWKHꢀLQSXWꢀDQGꢀRXWSXWꢀSDFNDJHꢀFRQQHFWLRQVꢀSURYLGHGꢀRQꢀWKHꢀGHYLFHꢃ
Table 8.1 Input/Output Descriptions
Symbol
$ꢏꢑ±$ꢌ
'4ꢇꢊ±'4ꢌ
&(ꢔ
Type
,QSXW
Description
$GGUHVVꢀOLQHVꢀIRUꢀ:6ꢏꢊꢎ1ꢀꢁ$ꢏꢏꢅ$ꢌꢀIRUꢀ:6ꢇꢏꢋꢂꢃ
'DWDꢀLQSXWꢒRXWSXWꢃ
,ꢒ2
,QSXW
&KLSꢀ(QDEOHꢃꢀ$V\QFKURQRXVꢀUHODWLYHꢀWRꢀ&/.ꢃꢀ
2XWSXWꢀ(QDEOHꢃꢀ$V\QFKURQRXVꢀUHODWLYHꢀWRꢀ&/.ꢃ
:ULWHꢀ(QDEOHꢃ
2(ꢔ
,QSXW
:(ꢔ
,QSXW
9&&
6XSSO\
,ꢒ2
'HYLFHꢀ3RZHUꢀ6XSSO\ꢃ
966
*URXQGꢃ
1&
1Rꢀ&RQQHFW
2XWSXW
1RWꢀFRQQHFWHGꢀLQWHUQDOO\ꢃ
5'<
5HDG\ꢃꢀ,QGLFDWHVꢀZKHQꢀYDOLGꢀEXUVWꢀGDWDꢀLVꢀUHDG\ꢀWRꢀEHꢀUHDGꢃ
&ORFNꢀ,QSXWꢃꢀ,QꢀEXUVWꢀPRGHꢄꢀDIWHUꢀWKHꢀLQLWLDOꢀZRUGꢀLVꢀRXWSXWꢄꢀVXEVHTXHQWꢀDFWLYHꢀHGJHVꢀRIꢀ&/.ꢀ
LQFUHPHQWꢀWKHꢀLQWHUQDOꢀDGGUHVVꢀFRXQWHUꢃꢀ
&/.
,QSXW
$GGUHVVꢀ9DOLGꢃꢀ,QGLFDWHVꢀWRꢀGHYLFHꢀWKDWꢀWKHꢀYDOLGꢀDGGUHVVꢀLVꢀSUHVHQWꢀRQꢀWKHꢀDGGUHVVꢀLQSXWVꢃ
:KHQꢀORZꢀGXULQJꢀDV\QFKURQRXVꢀPRGHꢄꢀLQGLFDWHVꢀYDOLGꢀDGGUHVVꢕꢀZKHQꢀORZꢀGXULQJꢀEXUVWꢀ
PRGHꢄꢀFDXVHVꢀVWDUWLQJꢀDGGUHVVꢀWRꢀEHꢀODWFKHGꢀDWꢀWKHꢀQH[WꢀDFWLYHꢀFORFNꢀHGJHꢃꢀ
$9'ꢔ
,QSXW
:KHQꢀKLJKꢄꢀGHYLFHꢀLJQRUHVꢀDGGUHVVꢀLQSXWVꢃ
5(6(7ꢔ
:3ꢔ
,QSXW
,QSXW
+DUGZDUHꢀ5HVHWꢃꢀ/RZꢀ ꢀGHYLFHꢀUHVHWVꢀDQGꢀUHWXUQVꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃ
:ULWHꢀ3URWHFWꢃꢀ$Wꢀ9,/ꢄꢀGLVDEOHVꢀSURJUDPꢀDQGꢀHUDVHꢀIXQFWLRQVꢀLQꢀWKHꢀIRXUꢀRXWHUPRVWꢀVHFWRUVꢃꢀ
6KRXOGꢀEHꢀDWꢀ9,+ꢀIRUꢀDOOꢀRWKHUꢀFRQGLWLRQVꢃ
$FFHOHUDWLRQꢀ,QSXWꢃꢀ$Wꢀ9++ꢄꢀDFFHOHUDWHVꢀSURJUDPPLQJꢕꢀDXWRPDWLFDOO\ꢀSODFHVꢀGHYLFHꢀLQꢀ
XQORFNꢀE\SDVVꢀPRGHꢃꢀ$Wꢀ9,/ꢄꢀGLVDEOHVꢀDOOꢀSURJUDPꢀDQGꢀHUDVHꢀIXQFWLRQVꢃꢀ6KRXOGꢀEHꢀDWꢀ9,+ꢀIRUꢀ
DOOꢀRWKHUꢀFRQGLWLRQVꢃ
$&&
5)8
,QSXW
5HVHUYHG
5HVHUYHGꢀIRUꢀIXWXUHꢀXVHꢀꢁVHHꢀ0&3ꢀORRNꢅDKHDGꢀSLQRXWꢀIRUꢀXVHꢀZLWKꢀ0&3ꢂꢃ
December 3, 2005 S29WS-N_m0_I0
23
P r e l i m i n a r y
9 Block Diagram
'4ꢇꢊ±'4ꢌ
9&&
966
5'<
%XIIHU
5'<
,QSXWꢒ2XWSXW
%XIIHUV
(UDVHꢀ9ROWDJH
*HQHUDWRU
:(ꢔ
5(6(7ꢔ
:3ꢔ
6WDWH
&RQWURO
$&&
&RPPDQG
5HJLVWHU
3*0ꢀ9ROWDJH
*HQHUDWRU
'DWD
/DWFK
&KLSꢀ(QDEOH
2XWSXWꢀ(QDEOH
/RJLF
&(ꢔ
2(ꢔ
<ꢅ'HFRGHU
<ꢅ*DWLQJ
9&&
'HWHFWRU
7LPHU
&HOOꢀ0DWUL[
;ꢅ'HFRGHU
%XUVW
6WDWH
&RQWURO
%XUVW
$GGUHVV
&RXQWHU
$9'ꢔ
&/.
$PD[±$ꢌꢖ
ꢖ
:6ꢏꢊꢎ1ꢆꢀ$ꢏꢑꢅ$ꢌ
:6ꢇꢏꢋ1ꢆꢀ$ꢏꢏꢅ$ꢌ
Figure 9.1. S29WS-N Block Diagram
24
S29WS-N_m0_I0 December3,2005
P r e l i m i n a r y
10 Additional Resources
9LVLWꢀZZZꢃVSDQVLRQꢃFRPꢀWRꢀREWDLQꢀWKHꢀIROORZLQJꢀUHODWHGꢀGRFXPHQWVꢆ
$SSOLFDWLRQꢀ1RWHV
8VLQJꢀWKHꢀ2SHUDWLRQꢀ6WDWXVꢀ%LWVꢀLQꢀ$0'ꢀ'HYLFHV
8QGHUVWDQGLQJꢀ%XUVWꢀ0RGHꢀ)ODVKꢀ0HPRU\ꢀ'HYLFHV
6LPXOWDQHRXVꢀ5HDGꢒ:ULWHꢀYVꢃꢀ(UDVHꢀ6XVSHQGꢒ5HVXPH
0LUURU%LWꢀ)ODVKꢀ0HPRU\ꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀDQGꢀ3DJHꢀ%XIIHUꢀ5HDG
'HVLJQꢅ,Qꢀ6FDODEOHꢀ:LUHOHVVꢀ6ROXWLRQVꢀZLWKꢀ6SDQVLRQꢀ3URGXFWV
&RPPRQꢀ)ODVKꢀ,QWHUIDFHꢀ9HUVLRQꢀꢇꢃꢍꢀ9HQGRUꢀ6SHFLILFꢀ([WHQVLRQV
6SHFLILFDWLRQꢀ%XOOHWLQV
&RQWDFWꢀ\RXUꢀORFDOꢀVDOHVꢀRIILFHꢀIRUꢀGHWDLOVꢃ
'ULYHUVꢀDQGꢀ6RIWZDUHꢀ6XSSRUW
6SDQVLRQꢀORZꢅOHYHOꢀGULYHUV
(QKDQFHGꢀ)ODVKꢀGULYHUV
)ODVKꢀILOHꢀV\VWHP
&$'ꢀ0RGHOLQJꢀ6XSSRUW
9+'/ꢀDQGꢀ9HULORJ
,%,6
25&$'
7HFKQLFDOꢀ6XSSRUW
&RQWDFWꢀ\RXUꢀORFDOꢀVDOHVꢀRIILFHꢀRUꢀFRQWDFWꢀ6SDQVLRQꢀ//&ꢀGLUHFWO\ꢀIRUꢀDGGLWLRQDOꢀWHFKQLFDOꢀVXSSRUWꢆ
86ꢆꢀꢁꢍꢌꢋꢂꢀꢈꢍꢉꢅꢊꢈꢌꢑ
-DSDQꢀꢁꢌꢑꢂꢀꢊꢑꢏꢏꢅꢑꢑꢏꢍ
6SDQVLRQꢀ//&ꢀ/RFDWLRQV
ꢉꢇꢊꢀ'H*XLJQHꢀ'ULYHꢄꢀ3ꢃ2ꢃꢀ%R[ꢀꢑꢍꢊꢑ
6XQQ\YDOHꢄꢀ&$ꢀꢉꢍꢌꢋꢋꢅꢑꢍꢊꢑꢄꢀ86$
7HOHSKRQHꢆꢀꢍꢌꢋꢅꢉꢎꢏꢅꢏꢊꢌꢌꢀRU
ꢇꢅꢋꢎꢎꢅ63$16,21ꢀ
6SDQVLRQꢀ-DSDQꢀ/LPLWHG
&XEHꢅ.DZDVDNLꢀꢉ)ꢒꢇꢌ)ꢄꢀ
ꢇꢅꢇꢍꢀ1LVVKLQꢅFKRꢄꢀ.DZDVDNLꢅNXꢄꢀ.DZDVDNLꢅVKLꢄ
.DQDJDZDꢄꢀꢏꢇꢌꢅꢌꢌꢏꢍꢄꢀ-DSDQꢀ
3KRQHꢀꢆꢀꢌꢍꢍꢅꢏꢏꢑꢅꢇꢈꢌꢌ
December 3, 2005 S29WS-N_m0_I0
25
P r e l i m i n a r y
11 Product Overview
7KHꢀ6ꢏꢉ:6ꢅ1ꢀIDPLO\ꢀFRQVLVWVꢀRIꢀꢏꢊꢎꢄꢀꢇꢏꢋ 0ELWꢄꢀꢇꢃꢋꢀYROWVꢅRQO\ꢄꢀVLPXOWDQHRXVꢀUHDGꢒZULWHꢀEXUVW
PRGHꢀ)ODVKꢀGHYLFHꢀRSWLPL]HGꢀIRUꢀWRGD\¶VꢀZLUHOHVVꢀGHVLJQVꢀWKDWꢀGHPDQGꢀDꢀODUJHꢀVWRUDJHꢀDUUD\ꢄꢀULFK
IXQFWLRQDOLW\ꢄꢀDQGꢀORZꢀSRZHUꢀFRQVXPSWLRQꢃ
7KHVHꢀGHYLFHVꢀDUHꢀRUJDQL]HGꢀLQꢀꢇꢎꢀRUꢀꢋꢀ0ZRUGVꢀRIꢀꢇꢎꢀELWVꢀHDFKꢀDQGꢀDUHꢀFDSDEOHꢀRIꢀFRQWLQXRXVꢄ
V\QFKURQRXVꢀꢁEXUVWꢂꢀUHDGꢀRUꢀOLQHDUꢀUHDGꢀꢁꢋꢅꢄꢀꢇꢎꢅꢄꢀRUꢀꢑꢏꢅZRUGꢀDOLJQHGꢀJURXSꢂꢀZLWKꢀRUꢀZLWKRXWꢀZUDS
DURXQGꢃꢀ7KHVHꢀSURGXFWVꢀDOVRꢀRIIHUꢀVLQJOHꢀZRUGꢀSURJUDPPLQJꢀRUꢀDꢀꢑꢏꢅZRUGꢀEXIIHUꢀIRUꢀSURJUDPꢅ
PLQJꢀZLWKꢀSURJUDPꢒHUDVHꢀDQGꢀVXVSHQGꢀIXQFWLRQDOLW\ꢃꢀ$GGLWLRQDOꢀIHDWXUHVꢀLQFOXGHꢆ
$GYDQFHGꢀ6HFWRUꢀ3URWHFWLRQꢀPHWKRGVꢀIRUꢀSURWHFWLQJꢀVHFWRUVꢀDVꢀUHTXLUHG
ꢏꢊꢎꢀZRUGVꢀRIꢀ6HFXUHGꢀ6LOLFRQꢀDUHDꢀIRUꢀVWRULQJꢀFXVWRPHUꢀDQGꢀIDFWRU\ꢀVHFXUHGꢀLQIRUPDWLRQꢃꢀ7KH
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀ2QHꢀ7LPHꢀ3URJUDPPDEOHꢃ
11.1 Memory Map
7KHꢀ6ꢏꢉ:6ꢏꢊꢎꢒꢇꢏꢋ1ꢀ0ELWꢀGHYLFHVꢀFRQVLVWꢀRIꢀꢇꢎꢀEDQNVꢀRUJDQL]HGꢀDVꢀVKRZQꢀLQꢀ7DEOHꢀꢇꢇꢃꢇ±7DEOH
ꢇꢇꢃꢏꢃ
Table 11.1 S29WS256N Sector & Memory Address Map
Bank
Size
Sector
Count
Sector Size
(KB)
Sector/
Sector Range
Bank
Address Range
Notes
6$ꢌꢌꢌ
ꢌꢌꢌꢌꢌꢌK±ꢌꢌꢑ)))K
6$ꢌꢌꢇ
ꢌꢌꢍꢌꢌꢌK±ꢌꢌꢈ)))K
&RQWDLQVꢀIRXUꢀVPDOOHUꢀVHFWRUVꢀDWꢀ
ERWWRPꢀRIꢀDGGUHVVDEOHꢀPHPRU\ꢃ
ꢍ
ꢑꢏ
ꢏꢀ0%
ꢀꢌ
6$ꢌꢌꢏ
ꢌꢌꢋꢌꢌꢌK±ꢌꢌ%)))K
6$ꢌꢌꢑ
ꢌꢌ&ꢌꢌꢌK±ꢌꢌ))))K
ꢇꢊ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢎ
ꢇꢊ
ꢇꢏꢋ
6$ꢌꢌꢍꢀWRꢀ6$ꢌꢇꢋ
6$ꢌꢇꢉꢀWRꢀ6$ꢌꢑꢍ
6$ꢌꢑꢊꢀWRꢀ6$ꢌꢊꢌ
6$ꢌꢊꢇꢀWRꢀ6$ꢌꢎꢎ
6$ꢌꢎꢈꢀWRꢀ6$ꢌꢋꢏ
6$ꢌꢋꢑꢀWRꢀ6$ꢌꢉꢋ
6$ꢌꢉꢉꢀWRꢀ6$ꢇꢇꢍ
6$ꢇꢇꢊꢀWRꢀ6$ꢇꢑꢌ
6$ꢇꢑꢇꢀWRꢀ6$ꢇꢍꢎ
6$ꢇꢍꢈꢀWRꢀ6$ꢇꢎꢏ
6$ꢇꢎꢑꢀWRꢀ6$ꢇꢈꢋ
6$ꢇꢈꢉꢀWRꢀ6$ꢇꢉꢍ
6$ꢇꢉꢊꢀWRꢀ6$ꢏꢇꢌ
6$ꢏꢇꢇꢀWRꢀ6$ꢏꢏꢎ
6$ꢏꢏꢈꢀWRꢀ6$ꢏꢍꢏ
6$ꢏꢍꢑꢀWRꢀ6$ꢏꢊꢈ
6$ꢏꢊꢋ
ꢌꢇꢌꢌꢌꢌK±ꢌꢇ))))KꢀWRꢀꢌ)ꢌꢌꢌꢌK±ꢌ)))))K
ꢇꢌꢌꢌꢌꢌK±ꢇꢌ))))KꢀWRꢀꢇ)ꢌꢌꢌꢌK±ꢇ)))))K
ꢏꢌꢌꢌꢌꢌK±ꢏꢌ))))KꢀWRꢀꢏ)ꢌꢌꢌꢌK±ꢏ)))))K
ꢑꢌꢌꢌꢌꢌK±ꢑꢌ))))KꢀWRꢀꢑ)ꢌꢌꢌꢌK±ꢑ)))))K
ꢍꢌꢌꢌꢌꢌK±ꢍꢌ))))KꢀWRꢀꢍ)ꢌꢌꢌꢌK±ꢍ)))))K
ꢊꢌꢌꢌꢌꢌK±ꢊꢌ))))KꢀWRꢀꢊ)ꢌꢌꢌꢌK±ꢊ)))))K
ꢎꢌꢌꢌꢌꢌK±ꢎꢌ))))KꢀWRꢀꢎ)ꢌꢌꢌꢌK±ꢎ)))))K
ꢈꢌꢌꢌꢌꢌK±ꢈꢌ))))KꢀWRꢀꢈ)ꢌꢌꢌꢌK±ꢈ)))))K
ꢋꢌꢌꢌꢌꢌK±ꢋꢌ))))KꢀWRꢀꢋ)ꢌꢌꢌꢌK±ꢋ)))))K
ꢉꢌꢌꢌꢌꢌK±ꢉꢌ))))KꢀWRꢀꢉ)ꢌꢌꢌꢌK±ꢉ)))))K
$ꢌꢌꢌꢌꢌK±$ꢌ))))KꢀWRꢀ$)ꢌꢌꢌꢌK±$)))))K
%ꢌꢌꢌꢌꢌK±%ꢌ))))KꢀWRꢀ%)ꢌꢌꢌꢌK±%)))))K
&ꢌꢌꢌꢌꢌK±&ꢌ))))KꢀWRꢀ&)ꢌꢌꢌꢌK±&)))))K
'ꢌꢌꢌꢌꢌK±'ꢌ))))KꢀWRꢀ')ꢌꢌꢌꢌK±')))))K
(ꢌꢌꢌꢌꢌK±(ꢌ))))KꢀWRꢀ()ꢌꢌꢌꢌK±()))))K
)ꢌꢌꢌꢌꢌK±)ꢌ))))KꢀWRꢀ)(ꢌꢌꢌꢌK±)())))K
))ꢌꢌꢌꢌK±))ꢑ)))K
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢏꢀ0%
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
$OOꢀꢇꢏꢋꢀ.%ꢀVHFWRUVꢃꢀ
3DWWHUQꢀIRUꢀVHFWRUꢀDGGUHVVꢀUDQJHꢀ
LVꢀ[[ꢌꢌꢌꢌK±[[))))Kꢃ
ꢁVHHꢀQRWHꢂ
ꢈ
ꢋ
ꢉ
ꢇꢌ
ꢇꢇ
ꢇꢏ
ꢇꢑ
ꢇꢍ
ꢏꢀ0%
ꢇꢊ
6$ꢏꢊꢉ
))ꢍꢌꢌꢌK±))ꢈ)))K
&RQWDLQVꢀIRXUꢀVPDOOHUꢀVHFWRUVꢀDWꢀ
WRSꢀRIꢀDGGUHVVDEOHꢀPHPRU\ꢃ
ꢍ
ꢑꢏ
6$ꢏꢎꢌ
))ꢋꢌꢌꢌK±))%)))K
6$ꢏꢎꢇ
))&ꢌꢌꢌK±))))))Kꢀ
Ir) 7KLVꢂWDEOHꢂKDVꢂEHHQꢂFRQGHQVHGꢂWRꢂVKRZꢂVHFWRUꢃUHODWHGꢂLQIRUPDWLRQꢂIRUꢂDQꢂHQWLUHꢂGHYLFHꢂRQꢂDꢂVLQJOHꢂSDJHꢁꢂ6HFWRUVꢂDQGꢂWKHLUꢂDGGUHVVꢂUDQJHVꢂ
WKDWꢂDUHꢂQRWꢂH[SOLFLWO\ꢂOLVWHGꢂꢏVXFKꢂDVꢂ6$ꢈꢈꢉ±6$ꢈꢀꢋꢐꢂKDYHꢂVHFWRUꢂVWDUWLQJꢂDQGꢂHQGLQJꢂDGGUHVVHVꢂWKDWꢂIRUPꢂWKHꢂVDPHꢂSDWWHUQꢂDVꢂDOOꢂRWKHUꢂVHFWRUVꢂ
RIꢂWKDWꢂVL]Hꢁꢂ)RUꢂH[DPSOHꢄꢂDOOꢂꢀꢆꢑꢂ.%ꢂVHFWRUVꢂKDYHꢂWKHꢂSDWWHUQꢂ[[ꢈꢈꢈꢈꢈK±[[))))Kꢁ
26
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 11.2. S29WS128N Sector & Memory Address Map
Sector
Count
Sector Size
(KB)
Sector/
Sector Range
Bank Size
Bank
Address Range
Notes
ꢑꢏ
6$ꢌꢌꢌ
ꢌꢌꢌꢌꢌꢌK±ꢌꢌꢑ)))K
ꢑꢏ
6$ꢌꢌꢇ
ꢌꢌꢍꢌꢌꢌK±ꢌꢌꢈ)))K
&RQWDLQVꢀIRXUꢀVPDOOHUꢀVHFWRUVꢀDWꢀ
ERWWRPꢀRIꢀDGGUHVVDEOHꢀPHPRU\ꢃ
ꢍ
ꢇꢀ0%
ꢑꢏ
ꢀꢌ
6$ꢌꢌꢏ
ꢌꢌꢋꢌꢌꢌK±ꢌꢌ%)))K
ꢑꢏ
6$ꢌꢌꢑ
ꢌꢌ&ꢌꢌꢌK±ꢌꢌ))))K
ꢈ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢋ
ꢈ
ꢇꢏꢋ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋꢀ
ꢇꢏꢋ
ꢑꢏ
6$ꢌꢌꢍꢀWRꢀ6$ꢌꢇꢌ
6$ꢌꢇꢇꢀWRꢀ6$ꢌꢇꢋ
6$ꢌꢇꢉꢀWRꢀ6$ꢌꢏꢎ
6$ꢌꢏꢈꢀWRꢀ6$ꢌꢑꢍ
6$ꢌꢑꢊꢀWRꢀ6$ꢌꢍꢏ
6$ꢌꢍꢑꢀWRꢀ6$ꢌꢊꢌ
6$ꢌꢊꢇꢀWRꢀ6$ꢌꢊꢋ
6$ꢌꢊꢉꢀWRꢀ6$ꢌꢎꢎ
6$ꢌꢎꢈꢀWRꢀ6$ꢌꢈꢍ
6$ꢌꢈꢊꢀWRꢀ6$ꢌꢋꢏ
6$ꢌꢋꢑꢀWRꢀ6$ꢌꢉꢌ
6$ꢌꢉꢇꢀWRꢀ6$ꢌꢉꢋ
6$ꢌꢉꢉꢀWRꢀ6$ꢇꢌꢎ
6$ꢇꢌꢈꢀWRꢀ6$ꢇꢇꢍ
6$ꢇꢇꢊꢀWRꢀ6$ꢇꢏꢏ
6$ꢇꢏꢑꢀWRꢀ6$ꢇꢏꢉ
6$ꢇꢑꢌꢀ
ꢌꢇꢌꢌꢌꢌK±ꢌꢇ))))KꢀWRꢀꢌꢈꢌꢌꢌꢌK±ꢌꢈ))))K
ꢌꢋꢌꢌꢌꢌK±ꢌꢋ))))KꢀWRꢀꢌ)ꢌꢌꢌꢌK±ꢌ)))))K
ꢇꢌꢌꢌꢌꢌK±ꢇꢌ))))KꢀWRꢀꢇꢈꢌꢌꢌꢌK±ꢇꢈ))))K
ꢇꢋꢌꢌꢌꢌK±ꢇꢋ))))KꢀWRꢀꢇ)ꢌꢌꢌꢌK±ꢇ)))))K
ꢏꢌꢌꢌꢌꢌK±ꢏꢌ))))KꢀWRꢀꢏꢈꢌꢌꢌꢌK±ꢏꢈ))))K
ꢏꢋꢌꢌꢌꢌK±ꢏꢋ))))KꢀWRꢀꢏ)ꢌꢌꢌꢌK±ꢏ)))))K
ꢑꢌꢌꢌꢌꢌK±ꢑꢌ))))KꢀWRꢀꢑꢈꢌꢌꢌꢌK±ꢑꢈ))))K
ꢑꢋꢌꢌꢌꢌK±ꢑꢋ))))KꢀWRꢀꢑ)ꢌꢌꢌꢌK±ꢑ)))))K
ꢍꢌꢌꢌꢌꢌK±ꢍꢌ))))KꢀWRꢀꢍꢈꢌꢌꢌꢌK±ꢍꢈ))))K
ꢍꢋꢌꢌꢌꢌK±ꢍꢋ))))KꢀWRꢀꢍ)ꢌꢌꢌꢌK±ꢍ)))))K
ꢊꢌꢌꢌꢌꢌK±ꢊꢌ))))KꢀWRꢀꢊꢈꢌꢌꢌꢌK±ꢊꢈ))))K
ꢊꢋꢌꢌꢌꢌK±ꢊꢋ))))KꢀWRꢀꢊ)ꢌꢌꢌꢌK±ꢊ)))))K
ꢎꢌꢌꢌꢌꢌK±ꢎꢌ))))KꢀWRꢀꢎꢈꢌꢌꢌꢌK±ꢎꢈ))))K
ꢎꢋꢌꢌꢌꢌK±ꢎꢋ))))KꢀWRꢀꢎ)ꢌꢌꢌꢌK±ꢎ)))))K
ꢈꢌꢌꢌꢌꢌK±ꢈꢌ))))KꢀWRꢀꢈꢈꢌꢌꢌꢌK±ꢈꢈ))))K
ꢈꢋꢌꢌꢌꢌK±ꢈꢋ))))KꢀWRꢀꢈ(ꢌꢌꢌꢌK±ꢈ())))K
ꢈ)ꢌꢌꢌꢌK±ꢈ)ꢑ)))K
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇꢀ0%
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
$OOꢀꢇꢏꢋꢀ.%ꢀVHFWRUVꢃꢀ
3DWWHUQꢀIRUꢀVHFWRUꢀDGGUHVVꢀUDQJHꢀ
LVꢀ[[ꢌꢌꢌꢌK±[[))))Kꢃ
ꢁVHHꢀQRWHꢂ
ꢈ
ꢋ
ꢉ
ꢇꢌ
ꢇꢇ
ꢇꢏ
ꢇꢑ
ꢇꢍ
ꢇꢀ0%
ꢑꢏ
ꢇꢊ
6$ꢇꢑꢇ
ꢈ)ꢍꢌꢌꢌK±ꢈ)ꢈ)))K
&RQWDLQVꢀIRXUꢀVPDOOHUꢀVHFWRUVꢀDWꢀ
WRSꢀRIꢀDGGUHVVDEOHꢀPHPRU\ꢃ
ꢍ
ꢑꢏ
6$ꢇꢑꢏ
ꢈ)ꢋꢌꢌꢌK±ꢈ)%)))Kꢀ
ꢑꢏ
6$ꢇꢑꢑ
ꢈ)&ꢌꢌꢌK±ꢈ)))))K
Ir) 7KLVꢂWDEOHꢂKDVꢂEHHQꢂFRQGHQVHGꢂWRꢂVKRZꢂVHFWRUꢃUHODWHGꢂLQIRUPDWLRQꢂIRUꢂDQꢂHQWLUHꢂGHYLFHꢂRQꢂDꢂVLQJOHꢂSDJHꢁꢂ6HFWRUVꢂDQGꢂWKHLUꢂDGGUHVVꢂUDQJHVꢂ
WKDWꢂDUHꢂQRWꢂH[SOLFLWO\ꢂOLVWHGꢂꢏVXFKꢂDVꢂ6$ꢈꢈꢉ±6$ꢈꢈꢒꢐꢂKDYHꢂVHFWRUꢂVWDUWLQJꢂDQGꢂHQGLQJꢂDGGUHVVHVꢂWKDWꢂIRUPꢂWKHꢂVDPHꢂSDWWHUQꢂDVꢂDOOꢂRWKHUꢂVHFWRUVꢂ
RIꢂWKDWꢂVL]Hꢁꢂ)RUꢂH[DPSOHꢄꢂDOOꢂꢀꢆꢑꢂ.%ꢂVHFWRUVꢂKDYHꢂWKHꢂSDWWHUQꢂ[[ꢈꢈꢈꢈꢈK±[[))))Kꢁ
December 3, 2005 S29WS-N_m0_I0
27
P r e l i m i n a r y
12 Device Operations
7KLVꢀVHFWLRQꢀGHVFULEHVꢀWKHꢀUHDGꢄꢀSURJUDPꢄꢀHUDVHꢄꢀVLPXOWDQHRXVꢀUHDGꢒZULWHꢀRSHUDWLRQVꢄꢀKDQGVKDNꢅ
LQJꢄꢀDQGꢀUHVHWꢀIHDWXUHVꢀRIꢀWKHꢀ)ODVKꢀGHYLFHVꢃꢀ
2SHUDWLRQVꢀDUHꢀLQLWLDWHGꢀE\ꢀZULWLQJꢀVSHFLILFꢀFRPPDQGVꢀRUꢀDꢀVHTXHQFHꢀZLWKꢀVSHFLILFꢀDGGUHVVꢀDQG
GDWDꢀSDWWHUQVꢀLQWRꢀWKHꢀFRPPDQGꢀUHJLVWHUVꢀꢁVHHꢀ7DEOHVꢀꢇꢈꢃꢇꢀDQGꢀꢇꢈꢃꢏꢂꢃꢀ7KHꢀFRPPDQGꢀUHJLVWHU
LWVHOIꢀGRHVꢀQRWꢀRFFXS\ꢀDQ\ꢀDGGUHVVDEOHꢀPHPRU\ꢀORFDWLRQꢕꢀUDWKHUꢄꢀLWꢀLVꢀFRPSRVHGꢀRIꢀODWFKHVꢀWKDW
VWRUHꢀWKHꢀFRPPDQGVꢄꢀDORQJꢀZLWKꢀWKHꢀDGGUHVVꢀDQGꢀGDWDꢀLQIRUPDWLRQꢀQHHGHGꢀWRꢀH[HFXWHꢀWKHꢀFRPꢅ
PDQGꢃꢀ7KHꢀFRQWHQWVꢀRIꢀWKHꢀUHJLVWHUꢀVHUYHꢀDVꢀLQSXWꢀWRꢀWKHꢀLQWHUQDOꢀVWDWHꢀPDFKLQHꢀDQGꢀWKHꢀVWDWH
PDFKLQHꢀRXWSXWVꢀGLFWDWHꢀWKHꢀIXQFWLRQꢀRIꢀWKHꢀGHYLFHꢃꢀ:ULWLQJꢀLQFRUUHFWꢀDGGUHVVꢀDQGꢀGDWDꢀYDOXHVꢀRU
ZULWLQJꢀWKHPꢀLQꢀDQꢀLPSURSHUꢀVHTXHQFHꢀPD\ꢀSODFHꢀWKHꢀGHYLFHꢀLQꢀDQꢀXQNQRZQꢀVWDWHꢄꢀLQꢀZKLFKꢀFDVH
WKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀUHVHWꢀFRPPDQGꢀWRꢀUHWXUQꢀWKHꢀGHYLFHꢀWRꢀWKHꢀUHDGLQJꢀDUUD\ꢀGDWDꢀPRGHꢃ
12.1 Device Operation Table
7KHꢀGHYLFHꢀPXVWꢀEHꢀVHWXSꢀDSSURSULDWHO\ꢀIRUꢀHDFKꢀRSHUDWLRQꢃꢀ7DEOHꢀ ꢇꢏꢃꢇꢀGHVFULEHVꢀWKHꢀUHTXLUHG
VWDWHꢀRIꢀHDFKꢀFRQWUROꢀSLQꢀIRUꢀDQ\ꢀSDUWLFXODUꢀRSHUDWLRQꢃ
Table 12.1 Device Operations
Operation
CE#
/
OE#
/
WE#
Addresses
$GGUꢀ,Q
$GGUꢀ,Q
$GGUꢀ,Q
$GGUꢀ,Qꢀ
;
DQ15–0
'DWDꢀ2XW
'DWDꢀ2XW
,ꢒ2
RESET#
CLK
;
AVD#
$V\QFKURQRXVꢀ5HDGꢀꢅꢀ$GGUHVVHVꢀ/DWFKHG
$V\QFKURQRXVꢀ5HDGꢀꢅꢀ$GGUHVVHVꢀ6WHDG\ꢀ6WDWH
$V\QFKURQRXVꢀ:ULWH
+
+
/
+
+
+
+
+
/
/
/
;
/
/
/
+
;ꢀ
6\QFKURQRXVꢀ:ULWH
/
+
/
,ꢒ2
6WDQGE\ꢀꢁ&(ꢔꢂ
+
;
;
;
;
+,*+ꢀ=
+,*+ꢀ=
;
;
;
;
+DUGZDUHꢀ5HVHW
;
;
Burst Read Operations (Synchronous)
/RDGꢀ6WDUWLQJꢀ%XUVWꢀ$GGUHVV
/
/
;
/
+
+
$GGUꢀ,Q
;
;
+
+
$GYDQFHꢀ%XUVWꢀWRꢀQH[WꢀDGGUHVVꢀZLWKꢀDSSURSULDWHꢀ
'DWDꢀSUHVHQWHGꢀRQꢀWKHꢀ'DWDꢀ%XV
%XUVWꢀ
'DWDꢀ2XW
+
7HUPLQDWHꢀFXUUHQWꢀ%XUVWꢀUHDGꢀF\FOH
+
;
;
;
+
+
;
;
+,*+ꢀ=
+,*+ꢀ=
+
/
;
;
7HUPLQDWHꢀFXUUHQWꢀ%XUVWꢀUHDGꢀF\FOHꢀYLDꢀ5(6(7ꢔ
;
7HUPLQDWHꢀFXUUHQWꢀ%XUVWꢀUHDGꢀF\FOHꢀDQGꢀVWDUWꢀQHZꢀ
%XUVWꢀUHDGꢀF\FOH
/
;
+
$GGUꢀ,Q
,ꢒ2
+
Grtrq) /ꢂ ꢂ/RJLFꢂꢈꢄꢂ+ꢂ ꢂ/RJLFꢂꢀꢄꢂ;ꢂ ꢂ'RQ¶Wꢂ&DUHꢄꢂ,ꢍ2ꢂ ꢂ,QSXWꢍ2XWSXWꢁ
12.2 Asynchronous Read
$OOꢀPHPRULHVꢀUHTXLUHꢀDFFHVVꢀWLPHꢀWRꢀRXWSXWꢀDUUD\ꢀGDWDꢃꢀ,QꢀDQꢀDV\QFKURQRXVꢀUHDGꢀRSHUDWLRQꢄꢀGDWD
LVꢀUHDGꢀIURPꢀRQHꢀPHPRU\ꢀORFDWLRQꢀDWꢀDꢀWLPHꢃꢀ$GGUHVVHVꢀDUHꢀSUHVHQWHGꢀWRꢀWKHꢀGHYLFHꢀLQꢀUDQGRP
RUGHUꢄꢀDQGꢀWKHꢀSURSDJDWLRQꢀGHOD\ꢀWKURXJKꢀWKHꢀGHYLFHꢀFDXVHVꢀWKHꢀGDWDꢀRQꢀLWVꢀRXWSXWVꢀWRꢀDUULYH
DV\QFKURQRXVO\ꢀZLWKꢀWKHꢀDGGUHVVꢀRQꢀLWVꢀLQSXWVꢃꢀ
7KHꢀGHYLFHꢀGHIDXOWVꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢀDV\QFKURQRXVO\ꢀDIWHUꢀGHYLFHꢀSRZHUꢅXSꢀRUꢀKDUGZDUHꢀUHꢅ
VHWꢃꢀ7RꢀUHDGꢀGDWDꢀIURPꢀWKHꢀPHPRU\ꢀDUUD\ꢄꢀWKHꢀV\VWHPꢀPXVWꢀILUVWꢀDVVHUWꢀDꢀYDOLGꢀDGGUHVVꢀRQꢀ$PD[
$ꢌꢄꢀZKLOHꢀGULYLQJꢀ$9'ꢔꢀDQGꢀ&(ꢔꢀWRꢀ9,/ꢃꢀ:(ꢔꢀPXVWꢀUHPDLQꢀDWꢀ9,+ꢃꢀ7KHꢀULVLQJꢀHGJHꢀRIꢀ$9'ꢔ
ODWFKHVꢀWKHꢀDGGUHVVꢃꢀ7KHꢀ2(ꢔꢀVLJQDOꢀPXVWꢀEHꢀGULYHQꢀWRꢀ9,/ꢄꢀRQFHꢀ$9'ꢔꢀKDVꢀEHHQꢀGULYHQꢀWRꢀ9,+
±
ꢃ
'DWDꢀLVꢀRXWSXWꢀRQꢀ$ꢒ'4ꢇꢊꢅ$ꢒ'4ꢌꢀSLQVꢀDIWHUꢀWKHꢀDFFHVVꢀWLPHꢀꢁW2(ꢂꢀKDVꢀHODSVHGꢀIURPꢀWKHꢀIDOOLQJ
HGJHꢀRIꢀ2(ꢔꢃ
28
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
12.3 Page Read Mode
7KHꢀGHYLFHꢀLVꢀFDSDEOHꢀRIꢀIDVWꢀSDJHꢀPRGHꢀUHDGꢀDQGꢀLVꢀFRPSDWLEOHꢀZLWKꢀWKHꢀSDJHꢀPRGHꢀ0DVNꢀ520
UHDGꢀRSHUDWLRQꢃꢀ7KLVꢀPRGHꢀSURYLGHVꢀIDVWHUꢀUHDGꢀDFFHVVꢀVSHHGꢀIRUꢀUDQGRPꢀORFDWLRQVꢀZLWKLQꢀDꢀSDJHꢃ
7KHꢀUDQGRPꢀRUꢀLQLWLDOꢀSDJHꢀDFFHVVꢀLVꢀW$&&ꢀRUꢀW&(ꢀDQGꢀVXEVHTXHQWꢀSDJHꢀUHDGꢀDFFHVVHVꢀꢁDVꢀORQJꢀDV
WKHꢀORFDWLRQVꢀVSHFLILHGꢀE\ꢀWKHꢀPLFURSURFHVVRUꢀIDOOVꢀZLWKLQꢀWKDWꢀSDJHꢂꢀLVꢀHTXLYDOHQWꢀWRꢀW3$&&ꢃꢀ:KHQ
&(ꢔꢀLVꢀGHDVVHUWHGꢀꢁ 9,+ꢂꢄꢀWKHꢀUHDVVHUWLRQꢀRIꢀ&(ꢔꢀIRUꢀVXEVHTXHQWꢀDFFHVVꢀKDVꢀDFFHVVꢀWLPHꢀRIꢀW$&&
RUꢀW&(ꢃꢀ+HUHꢀDJDLQꢄꢀ&(ꢔꢀVHOHFWVꢀWKHꢀGHYLFHꢀDQGꢀ2(ꢔꢀLVꢀWKHꢀRXWSXWꢀFRQWUROꢀDQGꢀVKRXOGꢀEHꢀXVHGꢀWR
JDWHꢀGDWDꢀWRꢀWKHꢀRXWSXWꢀLQSXWVꢀLIꢀWKHꢀGHYLFHꢀLVꢀVHOHFWHGꢃꢀ)DVWꢀSDJHꢀPRGHꢀDFFHVVHVꢀDUHꢀREWDLQHG
E\ꢀNHHSLQJꢀ$PD[ ± $ꢏꢀFRQVWDQWꢀDQGꢀFKDQJLQJꢀ$ꢇ ± $ꢌꢀWRꢀVHOHFWꢀWKHꢀVSHFLILFꢀZRUGꢀZLWKLQꢀWKDW
SDJHꢃ
$GGUHVVꢀELWVꢀ$PD[ ± $ꢏꢀVHOHFWꢀDꢀꢍꢅZRUGꢀSDJHꢄꢀDQGꢀDGGUHVVꢀELWVꢀ$ꢇ ± $ꢌꢀVHOHFWꢀDꢀVSHFLILFꢀZRUG
ZLWKLQꢀWKDWꢀSDJHꢃꢀ7KLVꢀLVꢀDQꢀDV\QFKURQRXVꢀRSHUDWLRQꢀZLWKꢀWKHꢀPLFURSURFHVVRUꢀVXSSO\LQJꢀWKHꢀVSHꢅ
FLILFꢀZRUGꢀORFDWLRQꢃꢀ6HHꢀ7DEOHꢀꢇꢏꢃꢏꢀIRUꢀGHWDLOVꢀRQꢀVHOHFWLQJꢀVSHFLILFꢀZRUGVꢃꢀ
7KHꢀGHYLFHꢀLVꢀDXWRPDWLFDOO\ꢀVHWꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢀDIWHUꢀGHYLFHꢀSRZHUꢅXSꢃꢀ1RꢀFRPPDQGVꢀDUH
UHTXLUHGꢀWRꢀUHWULHYHꢀGDWDꢃꢀ(DFKꢀEDQNꢀLVꢀUHDG\ꢀWRꢀUHDGꢀDUUD\ꢀGDWDꢀDIWHUꢀFRPSOHWLQJꢀDQꢀ(PEHGGHG
3URJUDPꢀRUꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢃꢀ
5HDGVꢀIURPꢀWKHꢀPHPRU\ꢀDUUD\ꢀPD\ꢀEHꢀSHUIRUPHGꢀLQꢀFRQMXQFWLRQꢀZLWKꢀWKHꢀ(UDVHꢀ6XVSHQGꢀDQGꢀ3URꢅ
JUDPꢀ6XVSHQGꢀIHDWXUHVꢃꢀ$IWHUꢀWKHꢀGHYLFHꢀDFFHSWVꢀDQꢀ(UDVHꢀ6XVSHQGꢀFRPPDQGꢄꢀWKHꢀFRUUHVSRQGLQJ
EDQNꢀHQWHUVꢀWKHꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢄꢀDIWHUꢀZKLFKꢀWKHꢀV\VWHPꢀFDQꢀUHDGꢀGDWDꢀIURPꢀDQ\ꢀQRQꢅ
HUDVHꢅVXVSHQGHGꢀVHFWRUꢀZLWKLQꢀWKHꢀVDPHꢀEDQNꢃꢀ7KHꢀV\VWHPꢀFDQꢀUHDGꢀDUUD\ꢀGDWDꢀXVLQJꢀWKHꢀVWDQꢅ
GDUGꢀUHDGꢀWLPLQJꢄꢀH[FHSWꢀWKDWꢀLIꢀLWꢀUHDGVꢀDWꢀDQꢀDGGUHVVꢀZLWKLQꢀHUDVHꢅVXVSHQGHGꢀVHFWRUVꢄꢀWKHꢀGHYLFH
RXWSXWVꢀVWDWXVꢀGDWDꢃꢀ$IWHUꢀFRPSOHWLQJꢀDꢀSURJUDPPLQJꢀRSHUDWLRQꢀLQꢀWKHꢀ(UDVHꢀ6XVSHQGꢀPRGHꢄꢀWKH
V\VWHPꢀPD\ꢀRQFHꢀDJDLQꢀUHDGꢀDUUD\ꢀGDWDꢀZLWKꢀWKHꢀVDPHꢀH[FHSWLRQꢃꢀ$IWHUꢀWKHꢀGHYLFHꢀDFFHSWVꢀDꢀ3URꢅ
JUDPꢀ6XVSHQGꢀFRPPDQGꢄꢀWKHꢀFRUUHVSRQGLQJꢀEDQNꢀHQWHUVꢀWKHꢀSURJUDPꢅVXVSHQGꢅUHDGꢀPRGHꢄꢀDIWHU
ZKLFKꢀWKHꢀV\VWHPꢀFDQꢀUHDGꢀGDWDꢀIURPꢀDQ\ꢀQRQꢅSURJUDPꢅVXVSHQGHGꢀVHFWRUꢀZLWKLQꢀWKHꢀVDPHꢀEDQNꢃ
7KHꢀGHꢅDVVHUWLRQꢀDQGꢀUHꢅDVVHUWLRQꢀRIꢀ$9'ꢔꢀFUHDWHVꢀDꢀQHZꢀW$&&ꢃꢀꢀ7KHꢀXVHUꢀPXVWꢀNHHSꢀ$9'ꢔꢀORZ
GXULQJꢀDQGꢀEHWZHHQꢀSDJHꢀUHDGVꢀRQꢀDGGUHVVꢀ$ꢁꢇꢆꢌꢂꢃ
'XULQJꢀ6LPXOWDQHRXVꢀ2SHUDWLRQꢀꢁ62ꢂꢄꢀWKHꢀXVHUꢀQHHGVꢀWRꢀGHꢅDVVHUWꢀDQGꢀUHꢅꢀDVVHUWꢀHLWKHUꢀꢒ&(ꢔꢀRU
ꢒ$9'ꢔꢀZKHQꢀSHUIRUPLQJꢀGDWDꢀSROOLQJꢀWRꢀ62ꢀUHDGꢃꢀ
Table 12.2 Word Selection within a Page
:RUG
$ꢄ
ꢌ
$ꢋ
ꢌ
ꢀ:RUGꢀꢌ
ꢀ:RUGꢀꢇ
ꢀ:RUGꢀꢏ
ꢀ:RUGꢀꢑ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
12.4 Synchronous (Burst) Read Mode & Configuration Register
:KHQꢀDꢀVHULHVꢀRIꢀDGMDFHQWꢀDGGUHVVHVꢀQHHGVꢀWRꢀEHꢀUHDGꢀIURPꢀWKHꢀGHYLFHꢀꢁLQꢀRUGHUꢀIURPꢀORZHVWꢀWR
KLJKHVWꢀDGGUHVVꢂꢄꢀWKHꢀV\QFKURQRXVꢀꢁRUꢀEXUVWꢀUHDGꢂꢀPRGHꢀFDQꢀEHꢀXVHGꢀWRꢀVLJQLILFDQWO\ꢀUHGXFHꢀWKH
RYHUDOOꢀWLPHꢀQHHGHGꢀIRUꢀWKHꢀGHYLFHꢀWRꢀRXWSXWꢀDUUD\ꢀGDWDꢃꢀ$IWHUꢀDQꢀLQLWLDOꢀDFFHVVꢀWLPHꢀUHTXLUHGꢀIRU
WKHꢀGDWDꢀIURPꢀWKHꢀILUVWꢀDGGUHVVꢀORFDWLRQꢄꢀVXEVHTXHQWꢀGDWDꢀLVꢀRXWSXWꢀV\QFKURQL]HGꢀWRꢀDꢀFORFNꢀLQSXW
SURYLGHGꢀE\ꢀWKHꢀV\VWHPꢃꢀ
7KHꢀGHYLFHꢀRIIHUVꢀERWKꢀFRQWLQXRXVꢀDQGꢀOLQHDUꢀPHWKRGVꢀRIꢀEXUVWꢀUHDGꢀRSHUDWLRQꢄꢀZKLFKꢀDUHꢀGLVꢅ
FXVVHGꢀLQꢀVXEVHFWLRQVꢀꢇꢏꢃꢍꢃꢇꢀDQGꢀꢇꢏꢃꢍꢃꢏꢄꢀDQGꢀꢇꢏꢃꢍꢃꢑꢃ
6LQFHꢀWKHꢀGHYLFHꢀGHIDXOWVꢀWRꢀDV\QFKURQRXVꢀUHDGꢀPRGHꢀDIWHUꢀSRZHUꢅXSꢀRUꢀDꢀKDUGZDUHꢀUHVHWꢄꢀWKH
FRQILJXUDWLRQꢀUHJLVWHUꢀPXVWꢀEHꢀVHWꢀWRꢀHQDEOHꢀWKHꢀEXUVWꢀUHDGꢀPRGHꢃꢀ2WKHUꢀ&RQILJXUDWLRQꢀ5HJLVWHU
VHWWLQJVꢀLQFOXGHꢀWKHꢀQXPEHUꢀRIꢀZDLWꢀVWDWHVꢀWRꢀLQVHUWꢀEHIRUHꢀWKHꢀLQLWLDOꢀZRUGꢀꢁW,$&&ꢂꢀRIꢀHDFKꢀEXUVW
December 3, 2005 S29WS-N_m0_I0
29
P r e l i m i n a r y
DFFHVVꢄꢀWKHꢀEXUVWꢀPRGHꢀLQꢀZKLFKꢀWRꢀRSHUDWHꢄꢀDQGꢀZKHQꢀ5'<ꢀLQGLFDWHVꢀGDWDꢀLVꢀUHDG\ꢀWRꢀEHꢀUHDGꢃ
3ULRUꢀWRꢀHQWHULQJꢀWKHꢀEXUVWꢀPRGHꢄꢀWKHꢀV\VWHPꢀVKRXOGꢀILUVWꢀGHWHUPLQHꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHU
VHWWLQJVꢀꢁDQGꢀUHDGꢀWKHꢀFXUUHQWꢀUHJLVWHUꢀVHWWLQJVꢀLIꢀGHVLUHGꢀYLDꢀWKHꢀ5HDGꢀ&RQILJXUDWLRQꢀ5HJLVWHU
FRPPDQGꢀVHTXHQFHꢂꢄꢀDQGꢀWKHQꢀZULWHꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀFRPPDQGꢀVHTXHQFHꢃꢀ6HHꢀ6HFWLRQ
ꢇꢏꢃꢍꢃꢍꢄꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢄꢀDQGꢀ7DEOHꢀꢇꢈꢃꢇꢄꢀ 0HPRU\ꢀ$UUD\ꢀ&RPPDQGVꢀIRUꢀIXUWKHUꢀGHWDLOVꢃ
Power-up/
Hardware Reset
Asynchronous Read
Mode Only
Set Burst Mode
Configuration Register
Command for
Set Burst Mode
Configuration Register
Command for
Synchronous Mode
(CR15 = 0)
Asynchronous Mode
(CR15 = 1)
Synchronous Read
Mode Only
Figure 12.1. Synchronous/Asynchronous State Diagram
7KHꢀGHYLFHꢀRXWSXWVꢀWKHꢀLQLWLDOꢀZRUGꢀVXEMHFWꢀWRꢀWKHꢀIROORZLQJꢀRSHUDWLRQDOꢀFRQGLWLRQVꢆꢀ
W,$&&ꢀVSHFLILFDWLRQꢆꢀWKHꢀWLPHꢀIURPꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀILUVWꢀFORFNꢀF\FOHꢀDIWHUꢀDGGUHVVHVꢀDUH
ODWFKHGꢀWRꢀYDOLGꢀGDWDꢀRQꢀWKHꢀGHYLFHꢀRXWSXWVꢃ
FRQILJXUDWLRQꢀUHJLVWHUꢀVHWWLQJꢀ&5ꢇꢑ±&5ꢇꢇꢆꢀWKHꢀWRWDOꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀꢁZDLWꢀVWDWHVꢂ
WKDWꢀRFFXUꢀEHIRUHꢀYDOLGꢀGDWDꢀDSSHDUVꢀRQꢀWKHꢀGHYLFHꢀRXWSXWVꢃꢀ7KHꢀHIIHFWꢀLVꢀWKDWꢀW,$&&ꢀLV
OHQJWKHQHGꢃ
7KHꢀGHYLFHꢀRXWSXWVꢀVXEVHTXHQWꢀZRUGVꢀW%$&&ꢀDIWHUꢀWKHꢀDFWLYHꢀHGJHꢀRIꢀHDFKꢀVXFFHVVLYHꢀFORFNꢀF\FOHꢄ
ZKLFKꢀDOVRꢀLQFUHPHQWVꢀWKHꢀLQWHUQDOꢀDGGUHVVꢀFRXQWHUꢃꢀ7KHꢀGHYLFHꢀRXWSXWVꢀEXUVWꢀGDWDꢀDWꢀWKLVꢀUDWH
VXEMHFWꢀWRꢀWKHꢀIROORZLQJꢀRSHUDWLRQDOꢀFRQGLWLRQVꢆ
VWDUWLQJꢀDGGUHVVꢆꢀZKHWKHUꢀWKHꢀDGGUHVVꢀLVꢀGLYLVLEOHꢀE\ꢀIRXUꢀꢁZKHUHꢀ$>ꢇꢆꢌ@ꢀLVꢀꢌꢌꢂꢃꢀ$ꢀGLYLVLEOHꢅ
E\ꢅIRXUꢀDGGUHVVꢀLQFXUVꢀWKHꢀOHDVWꢀQXPEHUꢀRIꢀDGGLWLRQDOꢀZDLWꢀVWDWHVꢀWKDWꢀRFFXUꢀDIWHUꢀWKHꢀLQLWLDO
ZRUGꢃꢀ7KHꢀQXPEHUꢀRIꢀDGGLWLRQDOꢀZDLWꢀVWDWHVꢀUHTXLUHGꢀLQFUHDVHVꢀIRUꢀEXUVWꢀRSHUDWLRQVꢀLQꢀZKLFK
WKHꢀVWDUWLQJꢀDGGUHVVꢀLVꢀRQHꢄꢀWZRꢄꢀRUꢀWKUHHꢀORFDWLRQVꢀDERYHꢀWKHꢀGLYLVLEOHꢅE\ꢅIRXUꢀDGGUHVVꢀꢁLꢃHꢃꢄ
ZKHUHꢀ$>ꢇꢆꢌ@ꢀLVꢀꢌꢇꢄꢀꢇꢌꢄꢀRUꢀꢇꢇꢂꢃ
ERXQGDU\ꢀFURVVLQJꢆꢀ7KHUHꢀLVꢀDꢀERXQGDU\ꢀDWꢀHYHU\ꢀꢇꢏꢋꢀZRUGVꢀGXHꢀWRꢀWKHꢀLQWHUQDOꢀDUFKLWHFWXUH
RIꢀWKHꢀGHYLFHꢃꢀ2QHꢀDGGLWLRQDOꢀZDLWꢀVWDWHꢀPXVWꢀEHꢀLQVHUWHGꢀZKHQꢀFURVVLQJꢀWKLVꢀERXQGDU\ꢀLIꢀWKH
PHPRU\ꢀEXVꢀLVꢀRSHUDWLQJꢀDWꢀDꢀKLJKꢀFORFNꢀIUHTXHQF\ꢃꢀ3OHDVHꢀUHIHUꢀWRꢀWKHꢀWDEOHVꢀEHORZꢃ
FORFNꢀIUHTXHQF\ꢆꢀWKHꢀVSHHGꢀDWꢀZKLFKꢀWKHꢀGHYLFHꢀLVꢀH[SHFWHGꢀWRꢀEXUVWꢀGDWDꢃꢀ+LJKHUꢀVSHHGV
UHTXLUHꢀDGGLWLRQDOꢀZDLWꢀVWDWHVꢀDIWHUꢀWKHꢀLQLWLDOꢀZRUGꢀIRUꢀSURSHUꢀRSHUDWLRQꢃ
,QꢀDOOꢀFDVHVꢄꢀZLWKꢀRUꢀZLWKRXWꢀODWHQF\ꢄꢀWKHꢀ5'<ꢀRXWSXWꢀLQGLFDWHVꢀZKHQꢀWKHꢀQH[WꢀGDWDꢀLVꢀDYDLODEOHꢀWR
EHꢀUHDGꢃ
7DEOHV ꢇꢏꢃꢑꢅꢇꢏꢃꢋꢀUHIOHFWꢀZDLWꢀVWDWHVꢀUHTXLUHGꢀIRUꢀ6ꢏꢉ:6ꢏꢊꢎꢒꢇꢏꢋ1ꢀGHYLFHVꢃꢀꢀ5HIHUꢀWRꢀWKHꢀ&RQILJꢅ
XUDWLRQꢀ5HJLVWHUꢀWDEOHꢀꢁ&5ꢇꢇꢀꢅꢀ&5ꢇꢍꢂꢀDQGꢀWLPLQJꢀGLDJUDPVꢀIRUꢀPRUHꢀGHWDLOVꢃ
30
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 12.3 Address Latency (S29WS256N)
:RUG
:DLWꢀ6WDWHV
&\FOH
ꢌ
ꢇ
ꢏ
ꢑ
[ꢀZV
'ꢌ
'ꢇ
'ꢏ
'ꢑ
'ꢇ
'ꢏ
'ꢏ
'ꢑ
'ꢑ
'ꢍ
'ꢍ
'ꢍ
'ꢍ
'ꢊ
'ꢊ
'ꢊ
'ꢊ
'ꢎ
'ꢎ
'ꢎ
'ꢎ
'ꢈ
'ꢈ
'ꢈ
'ꢈ
'ꢋ
'ꢋ
'ꢋ
'ꢋ
[ꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
[ꢀZV
'ꢑ
ꢇꢀZV
ꢇꢀZV
[ꢀZV
ꢇꢀZV
Table 12.4 Address Latency (S29WS128N)
:RUG
:DLWꢀ6WDWHV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
&\FOH
ꢌ
ꢇ
ꢏ
ꢑ
'ꢌ
'ꢇ
'ꢏ
'ꢑ
'ꢇ
'ꢏ
'ꢏ
'ꢑ
'ꢑ
'ꢍ
'ꢍ
'ꢍ
'ꢍ
'ꢊ
'ꢊ
'ꢊ
'ꢊ
'ꢎ
'ꢎ
'ꢎ
'ꢎ
'ꢈ
'ꢈ
'ꢈ
'ꢈ
'ꢋ
'ꢋ
'ꢋ
'ꢋ
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
'ꢑ
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
Table 12.5 Address/Boundary Crossing Latency (S29WS256N @ 80MHz)
:RUG
:DLWꢀ6WDWHV
&\FOH
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢌ
ꢇ
ꢏ
ꢑ
ꢈꢀZV
'ꢌ
'ꢇ
'ꢏ
'ꢑ
'ꢇ
'ꢏ
'ꢏ
'ꢑ
'ꢑ
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
'ꢍ
'ꢍ
'ꢍ
'ꢍ
'ꢊ
'ꢊ
'ꢊ
'ꢊ
'ꢎ
'ꢎ
'ꢎ
'ꢎ
ꢈꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢈꢀZV
'ꢑ
ꢇꢀZV
ꢇꢀZV
ꢈꢀZV
ꢇꢀZV
Table 12.6 Address/Boundary Crossing Latency (S29WS256N @ 66 MHz)
:RUG
:DLWꢀ6WDWHV
&\FOH
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢌ
ꢇ
ꢏ
ꢑ
ꢀꢎꢀZV
'ꢌ
'ꢇ
'ꢏ
'ꢑ
'ꢇ
'ꢏ
'ꢏ
'ꢑ
'ꢑ
'ꢍ
'ꢍ
'ꢍ
'ꢍ
'ꢊ
'ꢊ
'ꢊ
'ꢊ
'ꢎ
'ꢎ
'ꢎ
'ꢎ
'ꢈ
'ꢈ
'ꢈ
'ꢈ
ꢎꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢎꢀZV
'ꢑ
ꢇꢀZV
ꢇꢀZV
ꢎꢀZV
ꢇꢀZV
Table 12.7 Address/Boundary Crossing Latency (S29WS256N @ 54MHz)
:RUG
:DLWꢀ6WDWHV
&\FOH
ꢌ
ꢇ
ꢏ
ꢑ
ꢊꢀZV
'ꢌ
'ꢇ
'ꢏ
'ꢑ
'ꢇ
'ꢏ
'ꢏ
'ꢑ
'ꢑ
'ꢍ
'ꢊ
'ꢊ
'ꢊ
'ꢊ
'ꢎ
'ꢎ
'ꢎ
'ꢎ
'ꢈ
'ꢈ
'ꢈ
'ꢈ
'ꢋ
'ꢋ
'ꢋ
'ꢋ
ꢊꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
'ꢍ
ꢊꢀZV
'ꢑ
ꢇꢀZV
ꢇꢀZV
'ꢍ
ꢊꢀZV
ꢇꢀZV
'ꢍ
Table 12.8 Address/Boundary Crossing Latency (S29WS128N)
:RUG
:DLWꢀ6WDWHV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
ꢊꢄꢀꢎꢄꢀꢈꢀZV
&\FOH
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
ꢌ
ꢇ
ꢏ
ꢑ
'ꢌ
'ꢇ
'ꢏ
'ꢑ
'ꢇ
'ꢏ
'ꢏ
'ꢑ
'ꢑ
'ꢍ
'ꢍ
'ꢍ
'ꢍ
'ꢊ
'ꢊ
'ꢊ
'ꢊ
'ꢎ
'ꢎ
'ꢎ
'ꢎ
'ꢈ
'ꢈ
'ꢈ
'ꢈ
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
'ꢑ
ꢇꢀZV
ꢇꢀZV
ꢇꢀZV
December 3, 2005 S29WS-N_m0_I0
31
P r e l i m i n a r y
Note: Setup Configuration Register parameters
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Unlock Cycle 1
Unlock Cycle 2
Write Set Configuration Register
Command and Settings:
Address 555h, Data D0h
Address X00h, Data CR
Command Cycle
CR = Configuration Register Bits CR15-CR0
Load Initial Address
Address = RA
RA = Read Address
Read Initial Data
RD = DQ[15:0]
RD = Read Data
Wait X Clocks:
5HIHUꢂWRꢂWKHꢂ/DWHQF\ꢂWDEOHVꢁ
Additional Latency Due to Starting
Address, Clock Frequency, and
Boundary Crossing
Read Next Data
RD = DQ[15:0]
No
Delay X Clocks
Crossing
Boundary?
No
End of Data?
Yes
Yes
Completed
Figure 12.2. Synchronous Read
ꢄꢈꢎꢒꢎꢄ &RQWLQXRXVꢀ%XUVWꢀ5HDGꢀ0RGH
,QꢀWKHꢀFRQWLQXRXVꢀEXUVWꢀUHDGꢀPRGHꢄꢀWKHꢀGHYLFHꢀRXWSXWVꢀVHTXHQWLDOꢀEXUVWꢀGDWDꢀIURPꢀWKHꢀVWDUWLQJ
DGGUHVVꢀJLYHQꢀDQGꢀWKHQꢀZUDSꢀDURXQGꢀWRꢀDGGUHVVꢀꢌꢌꢌꢌꢌꢌKꢀZKHQꢀLWꢀUHDFKHVꢀWKHꢀKLJKHVWꢀDGGUHVVꢅ
DEOHꢀPHPRU\ꢀORFDWLRQꢃꢀ7KHꢀEXUVWꢀUHDGꢀPRGHꢀFRQWLQXHVꢀXQWLOꢀWKHꢀV\VWHPꢀGULYHVꢀ&(ꢔꢀKLJKꢄꢀRU
5(6(7 ꢀ9,/ꢃꢀ&RQWLQXRXVꢀEXUVWꢀPRGHꢀFDQꢀDOVRꢀEHꢀDERUWHGꢀE\ꢀDVVHUWLQJꢀ$9'ꢔꢀORZꢀDQGꢀSURYLGLQJ
DꢀQHZꢀDGGUHVVꢀWRꢀWKHꢀGHYLFHꢃ
,IꢀWKHꢀDGGUHVVꢀEHLQJꢀUHDGꢀFURVVHVꢀDꢀꢇꢏꢋꢅZRUGꢀOLQHꢀERXQGDU\ꢀꢁDVꢀPHQWLRQHGꢀDERYHꢂꢀDQGꢀWKHꢀVXEꢅ
VHTXHQWꢀZRUGꢀOLQHꢀLVꢀQRWꢀEHLQJꢀSURJUDPPHGꢀRUꢀHUDVHGꢄꢀDGGLWLRQDOꢀODWHQF\ꢀF\FOHVꢀDUHꢀUHTXLUHGꢀDV
UHIOHFWHGꢀE\ꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀWDEOHꢀꢁ7DEOHꢀꢇꢏꢃꢇꢌꢂꢃ
,IꢀWKHꢀDGGUHVVꢀFURVVHVꢀDꢀEDQNꢀERXQGDU\ꢀZKLOHꢀWKHꢀVXEVHTXHQWꢀEDQNꢀLVꢀSURJUDPPLQJꢀRUꢀHUDVLQJꢄ
WKHꢀGHYLFHꢀSURYLGHVꢀUHDGꢀVWDWXVꢀLQIRUPDWLRQꢀDQGꢀWKHꢀFORFNꢀLVꢀLJQRUHGꢃꢀ8SRQꢀFRPSOHWLRQꢀRIꢀVWDWXV
UHDGꢀRUꢀSURJUDPꢀRUꢀHUDVHꢀRSHUDWLRQꢄꢀWKHꢀKRVWꢀFDQꢀUHVWDUWꢀDꢀEXUVWꢀUHDGꢀRSHUDWLRQꢀXVLQJꢀDꢀQHZꢀDGꢅ
GUHVVꢀDQGꢀ$9'ꢔꢀSXOVHꢃꢀ
32
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢈꢎꢒꢎꢈ ꢏꢇꢑꢀꢄꢊꢇꢑꢀꢅꢈꢇ:RUGꢀ/LQHDUꢀ%XUVWꢀ5HDGꢀZLWKꢀ:UDSꢀ$URXQG
,QꢀDꢀOLQHDUꢀEXUVWꢀUHDGꢀRSHUDWLRQꢄꢀDꢀIL[HGꢀQXPEHUꢀRIꢀZRUGVꢀꢁꢋꢄꢀꢇꢎꢄꢀRUꢀꢑꢏꢀZRUGVꢂꢀDUHꢀUHDGꢀIURP
FRQVHFXWLYHꢀDGGUHVVHVꢀWKDWꢀDUHꢀGHWHUPLQHGꢀE\ꢀWKHꢀJURXSꢀZLWKLQꢀZKLFKꢀWKHꢀVWDUWLQJꢀDGGUHVVꢀIDOOVꢃ
7KHꢀJURXSVꢀDUHꢀVL]HGꢀDFFRUGLQJꢀWRꢀWKHꢀQXPEHUꢀRIꢀZRUGVꢀUHDGꢀLQꢀDꢀVLQJOHꢀEXUVWꢀVHTXHQFHꢀIRUꢀD
JLYHQꢀPRGHꢀꢁVHHꢀ7DEOHꢀꢇꢏꢃꢉꢂꢃ
)RUꢀH[DPSOHꢄꢀLIꢀWKHꢀVWDUWLQJꢀDGGUHVVꢀLQꢀWKHꢀꢋꢅZRUGꢀPRGHꢀLVꢀꢑ&KꢄꢀWKHꢀDGGUHVVꢀUDQJHꢀWRꢀEHꢀUHDG
ZRXOGꢀEHꢀꢑꢋꢅꢑ)KꢄꢀDQGꢀWKHꢀEXUVWꢀVHTXHQFHꢀZRXOGꢀEHꢀꢑ&ꢅꢑ'ꢅꢑ(ꢅꢑ)ꢅꢑꢋꢅꢑꢉꢅꢑ$ꢅꢑ%Kꢃꢀ7KXVꢄꢀWKHꢀGHꢅ
YLFHꢀRXWSXWVꢀDOOꢀZRUGVꢀLQꢀWKDWꢀEXUVWꢀDGGUHVVꢀJURXSꢀXQWLOꢀDOOꢀZRUGꢀDUHꢀUHDGꢄꢀUHJDUGOHVVꢀRIꢀZKHUH
WKHꢀVWDUWLQJꢀDGGUHVVꢀRFFXUVꢀLQꢀWKHꢀDGGUHVVꢀJURXSꢄꢀDQGꢀWKHQꢀWHUPLQDWHVꢀWKHꢀEXUVWꢀUHDGꢃꢀ
,QꢀDꢀVLPLODUꢀIDVKLRQꢄꢀWKHꢀꢇꢎꢅZRUGꢀDQGꢀꢑꢏꢅZRUGꢀ/LQHDUꢀ:UDSꢀPRGHVꢀEHJLQꢀWKHLUꢀEXUVWꢀVHTXHQFHꢀRQ
WKHꢀVWDUWLQJꢀDGGUHVVꢀSURYLGHGꢀWRꢀWKHꢀGHYLFHꢄꢀWKHQꢀZUDSꢀEDFNꢀWRꢀWKHꢀILUVWꢀDGGUHVVꢀLQꢀWKHꢀVHOHFWHG
DGGUHVVꢀJURXSꢃꢀ
1RWHꢂWKDWꢂLQꢂWKLVꢂPRGHꢂWKHꢂDGGUHVVꢂSRLQWHUꢂGRHVꢂQRWꢂFURVVꢂWKHꢂERXQGDU\ꢂWKDWꢂRFFXUVꢂHYHU\ꢂꢀꢆꢑ
ZRUGVꢇꢂWKXVꢄꢂQRꢂDGGLWLRQDOꢂZDLWꢂVWDWHVꢂDUHꢂLQVHUWHGꢂGXHꢂWRꢂERXQGDU\ꢂFURVVLQJꢁ
Table 12.9 Burst Address Groups
Mode
Group Size
ꢋꢀZRUGV
Group Address Ranges
ꢌꢅꢈKꢄꢀꢋꢅ)KꢄꢀꢇꢌꢅꢇꢈKꢄꢃꢃꢃ
ꢌꢅ)Kꢄꢀꢇꢌꢅꢇ)Kꢄꢀꢏꢌꢅꢏ)Kꢄꢃꢃꢃ
ꢌꢌꢅꢇ)Kꢄꢀꢏꢌꢅꢑ)Kꢄꢀꢍꢌꢅꢊ)Kꢄꢃꢃꢃ
ꢋꢅZRUG
ꢇꢎꢅZRUG
ꢑꢏꢅZRUG
ꢇꢎꢀZRUGV
ꢑꢏꢀZRUGV
ꢄꢈꢎꢒꢎꢅ ꢏꢇꢑꢀꢄꢊꢇꢑꢀꢅꢈꢇ:RUGꢀ/LQHDUꢀ%XUVWꢀZLWKRXWꢀ:UDSꢀ$URXQG
,IꢀZUDSꢀDURXQGꢀLVꢀQRWꢀHQDEOHGꢀIRUꢀOLQHDUꢀEXUVWꢀUHDGꢀRSHUDWLRQVꢄꢀWKHꢀꢋꢅZRUGꢄꢀꢇꢎꢅZRUGꢄꢀRUꢀꢑꢏꢅZRUG
EXUVWꢀH[HFXWHVꢀXSꢀWRꢀWKHꢀPD[LPXPꢀPHPRU\ꢀDGGUHVVꢀRIꢀWKHꢀVHOHFWHGꢀQXPEHUꢀRIꢀZRUGVꢃꢀ7KHꢀEXUVW
VWRSVꢀDIWHUꢀꢋꢄꢀꢇꢎꢄꢀRUꢀꢑꢏꢀDGGUHVVHVꢀDQGꢀGRHVꢀQRWꢀZUDSꢀDURXQGꢀWRꢀWKHꢀILUVWꢀDGGUHVVꢀRIꢀWKHꢀVHOHFWHG
JURXSꢃꢀ
)RUꢀH[DPSOHꢄꢀLIꢀWKHꢀVWDUWLQJꢀDGGUHVVꢀLQꢀWKHꢀꢋꢅꢀZRUGꢀPRGHꢀLVꢀꢑ&KꢄꢀWKHꢀDGGUHVVꢀUDQJHꢀWRꢀEHꢀUHDG
ZRXOGꢀEHꢀꢑꢉꢅꢍꢌKꢄꢀDQGꢀWKHꢀEXUVWꢀVHTXHQFHꢀZRXOGꢀEHꢀꢑ&ꢅꢑ'ꢅꢑ(ꢅꢑ)ꢅꢍꢌꢅꢍꢇꢅꢍꢏꢅꢍꢑKꢀLIꢀZUDSꢀDURXQG
LVꢀQRWꢀHQDEOHGꢃꢀ7KHꢀQH[WꢀDGGUHVVꢀWRꢀEHꢀUHDGꢀUHTXLUHVꢀDꢀQHZꢀDGGUHVVꢀDQGꢀ$9'ꢔꢀSXOVHꢃꢀ1RWHꢀWKDW
LQꢀWKLVꢀEXUVWꢀUHDGꢀPRGHꢄꢀWKHꢀDGGUHVVꢀSRLQWHUꢀPD\ꢀFURVVꢀWKHꢀERXQGDU\ꢀWKDWꢀRFFXUVꢀHYHU\ꢀꢇꢏꢋ
ZRUGVꢄꢀZKLFKꢀZLOOꢀLQFXUꢀWKHꢀDGGLWLRQDOꢀERXQGDU\ꢀFURVVLQJꢀZDLWꢀVWDWHꢃ
ꢄꢈꢎꢒꢎꢒ &RQILJXUDWLRQꢀ5HJLVWHU
7KHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀVHWVꢀYDULRXVꢀRSHUDWLRQDOꢀSDUDPHWHUVꢀDVVRFLDWHGꢀZLWKꢀEXUVWꢀPRGHꢃꢀ8SRQ
SRZHUꢅXSꢀRUꢀKDUGZDUHꢀUHVHWꢄꢀWKHꢀGHYLFHꢀGHIDXOWVꢀWRꢀWKHꢀDV\QFKURQRXVꢀUHDGꢀPRGHꢄꢀDQGꢀWKHꢀFRQꢅ
ILJXUDWLRQꢀUHJLVWHUꢀVHWWLQJVꢀDUHꢀLQꢀWKHLUꢀGHIDXOWꢀVWDWHꢃꢀ7KHꢀKRVWꢀV\VWHPꢀVKRXOGꢀGHWHUPLQHꢀWKH
SURSHUꢀVHWWLQJVꢀIRUꢀWKHꢀHQWLUHꢀFRQILJXUDWLRQꢀUHJLVWHUꢄꢀDQGꢀWKHQꢀH[HFXWHꢀWKHꢀ6HWꢀ&RQILJXUDWLRQꢀ5HJꢅ
LVWHUꢀFRPPDQGꢀVHTXHQFHꢄꢀEHIRUHꢀDWWHPSWLQJꢀEXUVWꢀRSHUDWLRQVꢃꢀ7KHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀLVꢀQRW
UHVHWꢀDIWHUꢀGHDVVHUWLQJꢀ&(ꢔꢃꢀ7KHꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢀFDQꢀDOVRꢀEHꢀUHDGꢀXVLQJꢀDꢀFRPPDQGꢀVHꢅ
TXHQFHꢀꢁVHHꢀ7DEOHꢀꢇꢈꢃꢇꢂꢃꢀ7KHꢀIROORZLQJꢀOLVWꢀGHVFULEHVꢀWKHꢀUHJLVWHUꢀVHWWLQJVꢃꢀ
December 3, 2005 S29WS-N_m0_I0
33
P r e l i m i n a r y
Table 12.10 Configuration Register
&5ꢀ%LW
)XQFWLRQ
6HWWLQJVꢀꢂ%LQDU\ꢃ
6HWꢀ'HYLFHꢀ5HDGꢀ
0RGH
ꢌꢀ ꢀ6\QFKURQRXVꢀ5HDGꢀꢁ%XUVWꢀ0RGHꢂꢀ(QDEOHG
ꢇꢀ ꢀ$V\QFKURQRXVꢀ5HDGꢀ0RGHꢀꢁGHIDXOWꢂꢀ(QDEOHG
&5ꢇꢊ
ꢇꢀ ꢀ6ꢏꢉ:6ꢏꢊꢎ1ꢀDWꢀꢎꢀRUꢀꢈꢀ:DLWꢀ6WDWHꢀVHWWLQJ
ꢌꢀ ꢀ$OOꢀRWKHUV
&5ꢇꢍ
5HVHUYHG
ꢉꢒ 0+]
ꢊꢊ 0K] ꢏꢋ 0+]
6ꢏꢉ:6ꢇꢏꢋ1
6ꢏꢉ:6ꢏꢊꢎ1
6ꢏꢉ:6ꢇꢏꢋ1
6ꢏꢉ:6ꢏꢊꢎ1
6ꢏꢉ:6ꢇꢏꢋ1
ꢌꢇꢇꢀ ꢀ'DWDꢀYDOLGꢀRQꢀꢊWKꢀDFWLYHꢀ&/.ꢀHGJHꢀDIWHUꢀDGGUHVVHVꢀ
&5ꢇꢑ
&5ꢇꢏ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ODWFKHGꢀ
ꢇꢌꢌꢀ ꢀ'DWDꢀYDOLGꢀRQꢀꢎWKꢀDFWLYHꢀ&/.ꢀHGJHꢀDIWHUꢀDGGUHVVHVꢀ
ODWFKHGꢀ
ꢇꢌꢇꢀ ꢀ'DWDꢀYDOLGꢀRQꢀꢈWKꢀDFWLYHꢀ&/.ꢀHGJHꢀDIWHUꢀDGGUHVVHVꢀ
ODWFKHGꢀꢁGHIDXOWꢂ
ꢇꢇꢌꢀ ꢀ5HVHUYHG
ꢇꢇꢇꢀ ꢀ5HVHUYHG
ꢇ
ꢇ
3URJUDPPDEOH
:DLWꢀ6WDWH
,QVHUWVꢀZDLWꢀVWDWHVꢀEHIRUHꢀLQLWLDOꢀGDWDꢀLVꢀDYDLODEOHꢃꢀ6HWWLQJꢀ
JUHDWHUꢀQXPEHUꢀRIꢀZDLWꢀVWDWHVꢀEHIRUHꢀLQLWLDOꢀGDWDꢀUHGXFHVꢀ
ODWHQF\ꢀDIWHUꢀLQLWLDOꢀGDWDꢃ
&5ꢇꢇ
ꢌ
ꢇ
6ꢏꢉ:6ꢏꢊꢎ1
ꢁ1RWHVꢀꢇꢄꢀꢏꢂ
ꢌꢀ ꢀ5'<ꢀVLJQDOꢀDFWLYHꢀORZ
&5ꢇꢌ
&5ꢉ
5'<ꢀ3RODULW\
5HVHUYHG
ꢇꢀ ꢀ5'<ꢀVLJQDOꢀDFWLYHꢀKLJKꢀꢁGHIDXOWꢂ
ꢇꢀ ꢀGHIDXOW
ꢌꢀ ꢀ5'<ꢀDFWLYHꢀRQHꢀFORFNꢀF\FOHꢀEHIRUHꢀGDWD
ꢇꢀ ꢀ5'<ꢀDFWLYHꢀZLWKꢀGDWDꢀꢁGHIDXOWꢂ
:KHQꢀ&5ꢇꢑꢅ&5ꢇꢇꢀDUHꢀVHWꢀWRꢀꢌꢌꢌꢄꢀ5'<ꢀLVꢀDFWLYHꢀZLWKꢀGDWDꢀ
UHJDUGOHVVꢀRIꢀ&5ꢋꢀVHWWLQJꢃ
&5ꢋ
5'<
&5ꢈ
&5ꢎ
&5ꢊ
&5ꢍ
5HVHUYHG
5HVHUYHG
5HVHUYHG
5HVHUYHG
ꢇꢀ ꢀGHIDXOW
ꢇꢀ ꢀGHIDXOW
ꢌꢀ ꢀGHIDXOW
ꢌꢀ ꢀGHIDXOW
ꢌꢀ ꢀ1Rꢀ:UDSꢀ$URXQGꢀ%XUVWꢀ
ꢇꢀ ꢀ:UDSꢀ$URXQGꢀ%XUVWꢀꢁGHIDXOWꢂ
,JQRUHGꢀLIꢀLQꢀFRQWLQXRXVꢀPRGH
&5ꢑ
%XUVWꢀ:UDSꢀ$URXQG
ꢌꢌꢌꢀ ꢀ&RQWLQXRXVꢀꢁGHIDXOWꢂ
ꢌꢇꢌꢀ ꢀꢋꢅ:RUGꢀ/LQHDUꢀ%XUVW
ꢌꢇꢇꢀ ꢀꢇꢎꢅ:RUGꢀ/LQHDUꢀ%XUVW
ꢇꢌꢌꢀ ꢀꢑꢏꢅ:RUGꢀ/LQHDUꢀ%XUVW
ꢁ$OOꢀRWKHUꢀELWꢀVHWWLQJVꢀDUHꢀUHVHUYHGꢂ
&5ꢏ
&5ꢇ
&5ꢌ
%XUVWꢀ/HQJWK
Ir)
ꢀꢁ 5HIHUꢂWRꢂ7DEOHVꢂꢀꢆꢁꢊꢂꢃꢂꢀꢆꢁꢑꢂIRUꢂZDLWꢂVWDWHVꢂUHTXLUHPHQWVꢁ
ꢆꢁ 5HIHUꢂWRꢂ6\QFKURQRXVꢂ%XUVWꢂ5HDGꢂWLPLQJꢂGLDJUDPV
ꢊꢁ &RQILJXUDWLRQꢂ5HJLVWHUꢂLVꢂLQꢂWKHꢂGHIDXOWꢂVWDWHꢂXSRQꢂSRZHUꢃXSꢂRUꢂKDUGZDUHꢂUHVHWꢁ
5HDGLQJꢂWKHꢂ&RQILJXUDWLRQꢂ7DEOHꢁꢂ7KHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀFDQꢀEHꢀUHDGꢀZLWKꢀDꢀIRXUꢅF\FOHꢀFRPꢅ
PDQGꢀVHTXHQFHꢃꢀ6HHꢀ7DEOHꢀꢇꢈꢃꢇꢀIRUꢀVHTXHQFHꢀGHWDLOVꢃꢀ$ꢀVRIWZDUHꢀUHVHWꢀFRPPDQGꢀLVꢀUHTXLUHGꢀDIWHU
UHDGLQJꢀRUꢀVHWWLQJꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀWRꢀVHWꢀWKHꢀGHYLFHꢀLQWRꢀWKHꢀFRUUHFWꢀVWDWHꢃ
34
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
12.5 Autoselect
7KHꢀ$XWRVHOHFWꢀLVꢀXVHGꢀIRUꢀPDQXIDFWXUHUꢀ,'ꢄꢀ'HYLFHꢀLGHQWLILFDWLRQꢄꢀDQGꢀVHFWRUꢀSURWHFWLRQꢀLQIRUPDꢅ
WLRQꢃꢀ7KLVꢀPRGHꢀLVꢀSULPDULO\ꢀLQWHQGHGꢀIRUꢀSURJUDPPLQJꢀHTXLSPHQWꢀWRꢀDXWRPDWLFDOO\ꢀPDWFKꢀD
GHYLFHꢀZLWKꢀLWVꢀFRUUHVSRQGLQJꢀSURJUDPPLQJꢀDOJRULWKPꢃꢀ7KHꢀ$XWRVHOHFWꢀFRGHVꢀFDQꢀDOVRꢀEHꢀDFꢅ
FHVVHGꢀLQꢅV\VWHPꢃꢀ:KHQꢀYHULI\LQJꢀVHFWRUꢀSURWHFWLRQꢄꢀWKHꢀVHFWRUꢀDGGUHVVꢀPXVWꢀDSSHDUꢀRQꢀWKH
DSSURSULDWHꢀKLJKHVWꢀRUGHUꢀDGGUHVVꢀELWVꢀꢁVHHꢀ7DEOHꢀꢇꢏꢃꢇꢇꢂꢃꢀ7KHꢀUHPDLQLQJꢀDGGUHVVꢀELWVꢀDUHꢀGRQꢗW
FDUHꢃꢀ7KHꢀPRVWꢀVLJQLILFDQWꢀIRXUꢀELWVꢀRIꢀWKHꢀDGGUHVVꢀGXULQJꢀWKHꢀWKLUGꢀZULWHꢀF\FOHꢀVHOHFWVꢀWKHꢀEDQN
IURPꢀZKLFKꢀWKHꢀ$XWRVHOHFWꢀFRGHVꢀDUHꢀUHDGꢀE\ꢀWKHꢀKRVWꢃꢀ$OOꢀRWKHUꢀEDQNVꢀFDQꢀEHꢀDFFHVVHGꢀQRUPDOO\
IRUꢀGDWDꢀUHDGꢀZLWKRXWꢀH[LWLQJꢀWKHꢀ$XWRVHOHFWꢀPRGHꢃꢀ
7RꢀDFFHVVꢀWKHꢀ$XWRVHOHFWꢀFRGHVꢄꢀWKHꢀKRVWꢀV\VWHPꢀPXVWꢀLVVXHꢀWKHꢀ$XWRVHOHFWꢀFRPPDQGꢃ
7KHꢀ$XWRVHOHFWꢀFRPPDQGꢀVHTXHQFHꢀPD\ꢀEHꢀZULWWHQꢀWRꢀDQꢀDGGUHVVꢀZLWKLQꢀDꢀEDQNꢀWKDWꢀLVꢀHLWKHU
LQꢀWKHꢀUHDGꢀRUꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢃꢀ
7KHꢀ$XWRVHOHFWꢀFRPPDQGꢀPD\ꢀQRWꢀEHꢀZULWWHQꢀZKLOHꢀWKHꢀGHYLFHꢀLVꢀDFWLYHO\ꢀSURJUDPPLQJꢀRU
HUDVLQJꢃꢀ$XWRVHOHFWꢀGRHVꢀQRWꢀVXSSRUWꢀVLPXOWDQHRXVꢀRSHUDWLRQVꢀRUꢀEXUVWꢀPRGHꢃꢀ
7KHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀUHVHWꢀFRPPDQGꢀWRꢀUHWXUQꢀWRꢀWKHꢀUHDGꢀPRGHꢀꢁRUꢀHUDVHꢅVXVSHQGꢅ
UHDGꢀPRGHꢀLIꢀWKHꢀEDQNꢀZDVꢀSUHYLRXVO\ꢀLQꢀ(UDVHꢀ6XVSHQGꢂꢃꢀ
6HHꢀ7DEOHꢀꢇꢈꢃꢇꢀIRUꢀFRPPDQGꢀVHTXHQFHꢀGHWDLOVꢃ
Table 12.11 Autoselect Addresses
Description
0DQXIDFWXUHUꢀ,'
'HYLFHꢀ,'ꢄꢀ:RUGꢀꢇ
Address
Read Data
ꢁ%$ꢂꢀꢐꢀꢌꢌK ꢌꢌꢌꢇK
ꢁ%$ꢂꢀꢐꢀꢌꢇK ꢏꢏꢈ(K
ꢏꢏꢑꢌꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢏꢏꢑꢇꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢁ%$ꢂꢀꢐꢀꢌ)K ꢏꢏꢌꢌ
'4ꢇꢊꢀꢅꢀ'4ꢋꢀ ꢀ5HVHUYHG
'HYLFHꢀ,'ꢄꢀ:RUGꢀꢏ
'HYLFHꢀ,'ꢄꢀ:RUGꢀꢑ
ꢁ%$ꢂꢀꢐꢀꢌ(K
'4ꢈꢀꢁ)DFWRU\ꢀ/RFNꢀ%LWꢂꢆꢀꢇꢀ ꢀ/RFNHGꢄꢀꢌꢀ ꢀ1RWꢀ/RFNHG
'4ꢎꢀꢁ&XVWRPHUꢀ/RFNꢀ%LWꢂꢆꢀꢇꢀ ꢀ/RFNHGꢄꢀꢌꢀ ꢀ1RWꢀ/RFNHG
'4ꢊꢀꢁ+DQGVKDNHꢀ%LWꢂꢆꢀꢇꢀ ꢀ5HVHUYHGꢄꢀꢌꢀ ꢀ6WDQGDUGꢀ+DQGVKDNH
'4ꢍꢄꢀ'4ꢑꢀꢁ:3ꢔꢀ3URWHFWLRQꢀ%RRWꢀ&RGHꢂꢆꢀꢌꢌꢀ ꢀ:3ꢔꢀ3URWHFWVꢀERWKꢀ7RSꢀ%RRWꢀDQGꢀ
%RWWRPꢀ%RRWꢀ6HFWRUVꢃꢀꢌꢇꢄꢀꢇꢌꢄꢀꢇꢇꢀ ꢀ5HVHUYHG
,QGLFDWRUꢀ%LWVꢀ
ꢁ6HHꢀ1RWHꢂ
ꢁ%$ꢂꢀꢐꢀꢌꢑK
'4ꢏꢀ ꢀ5HVHUYHG
'4ꢇꢀꢁ'<%ꢀ3RZHUꢀXSꢀ6WDWHꢀ>/RFNꢀ5HJLVWHUꢀ'4ꢍ@ꢂꢆꢀꢇꢀ ꢀ8QORFNHGꢀꢁXVHUꢀRSWLRQꢂꢄꢀ
ꢌꢀ ꢀ/RFNHGꢀꢁGHIDXOWꢂ
'4ꢌꢀꢁ33%ꢀ(UDVHDELOLW\ꢀ>/RFNꢀ5HJLVWHUꢀ'4ꢑ@ꢂꢆꢀꢇꢀ ꢀ(UDVHꢀDOORZHGꢄꢀ
ꢌꢀ ꢀ(UDVHꢀGLVDEOHG
6HFWRUꢀ%ORFNꢀ/RFNꢒ
8QORFNꢀ
ꢁ6$ꢂꢀꢐꢀꢌꢏK ꢌꢌꢌꢇKꢀ ꢀ/RFNHGꢄꢀꢌꢌꢌꢌKꢀ ꢀ8QORFNHG
Ir)ꢂ)RUꢂ:6ꢀꢆꢑ1ꢂDQGꢂ:6ꢈꢌꢎꢄꢂ'4ꢀꢂDQGꢂ'4ꢈꢂDUHꢂUHVHUYHGꢁ
December 3, 2005 S29WS-N_m0_I0
35
P r e l i m i n a r y
Software Functions and Sample Code
Table 12.12 Autoselect Entry
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB$XWRVHOHFW(QWU\&PGꢂ
Cycle
Operation
:ULWH
Byte Address
%$[$$$K
%$[ꢊꢊꢊK
Word Address
%$[ꢊꢊꢊK
Data
8QORFNꢀ&\FOHꢀꢇ
8QORFNꢀ&\FOHꢀꢏ
$XWRVHOHFWꢀ&RPPDQG
ꢌ[ꢌꢌ$$K
ꢌ[ꢌꢌꢊꢊK
ꢌ[ꢌꢌꢉꢌK
:ULWH
%$[ꢏ$$K
:ULWH
%$[$$$K
%$[ꢊꢊꢊK
Table 12.13 Autoselect Exit
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB$XWRVHOHFW([LW&PGꢂ
Cycle
Operation
:ULWH
Byte Address
Word Address
EDVHꢀꢐꢀ;;;K
Data
8QORFNꢀ&\FOHꢀꢇ
EDVHꢀꢐꢀ;;;K
ꢌ[ꢌꢌ)ꢌK
Ir)
ꢀꢁ $Q\ꢂRIIVHWꢂZLWKLQꢂWKHꢂGHYLFHꢂZRUNVꢁ
ꢆꢁ %$ꢂ ꢂ%DQNꢂ$GGUHVVꢁꢂ7KHꢂEDQNꢂDGGUHVVꢂLVꢂUHTXLUHGꢁ
ꢊꢁ EDVHꢂ ꢂEDVHꢂDGGUHVVꢁ
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀDXWRVHOHFWꢀIXQFWLRQꢀWRꢀUHDGꢀWKHꢀPDQXIDFꢅ
WXUHUꢀ,'ꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQG
ZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQW
JXLGHOLQHVꢃ
/* Here is an example of Autoselect mode (getting manufacturer ID) */
/* Define UINT16 example: typedef unsigned short UINT16; */
UINT16 manuf_id;
/* Auto Select Entry */
*( (UINT16 *)bank_addr + 0x555 ) = 0x00AA; /* write unlock cycle 1 */
*( (UINT16 *)bank_addr + 0x2AA ) = 0x0055; /* write unlock cycle 2 */
*( (UINT16 *)bank_addr + 0x555 ) = 0x0090; /* write autoselect command */
/* multiple reads can be performed after entry */
manuf_id = *( (UINT16 *)bank_addr + 0x000 ); /* read manuf. id */
/* Autoselect exit */
*( (UINT16 *)base_addr + 0x000 ) = 0x00F0; /* exit autoselect (write reset command) */
36
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
12.6 Program/Erase Operations
7KHVHꢀGHYLFHVꢀDUHꢀFDSDEOHꢀRIꢀVHYHUDOꢀPRGHVꢀRIꢀSURJUDPPLQJꢀDQGꢀRUꢀHUDVHꢀRSHUDWLRQVꢀZKLFKꢀDUH
GHVFULEHGꢀLQꢀGHWDLOꢀLQꢀWKHꢀIROORZLQJꢀVHFWLRQVꢃꢀ+RZHYHUꢄꢀSULRUꢀWRꢀDQ\ꢀSURJUDPPLQJꢀDQGꢀRUꢀHUDVH
RSHUDWLRQꢄꢀGHYLFHVꢀPXVWꢀEHꢀVHWXSꢀDSSURSULDWHO\ꢀDVꢀRXWOLQHGꢀLQꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHUꢀꢁ7DEOH
ꢇꢏꢃꢉꢂꢃ
)RUꢀDQ\ꢀSURJUDPꢀDQGꢀRUꢀHUDVHꢀRSHUDWLRQVꢄꢀLQFOXGLQJꢀZULWLQJꢀFRPPDQGꢀVHTXHQFHVꢄꢀWKHꢀV\VWHP
PXVWꢀGULYHꢀ$9'ꢔꢀDQGꢀ&(ꢔꢀWRꢀ9,/ꢄꢀDQGꢀ2(ꢔꢀWRꢀ9,+ꢀZKHQꢀSURYLGLQJꢀDQꢀDGGUHVVꢀWRꢀWKHꢀGHYLFHꢄꢀDQG
GULYHꢀ:(ꢔꢀDQGꢀ&(ꢔꢀWRꢀ9,/ꢄꢀDQGꢀ2(ꢔꢀWRꢀ9,+ꢀZKHQꢀZULWLQJꢀFRPPDQGVꢀRUꢀSURJUDPPLQJꢀGDWDꢃꢀ
$GGUHVVHVꢀDUHꢀODWFKHGꢀRQꢀWKHꢀODVWꢀIDOOLQJꢀHGJHꢀRIꢀ:(ꢔꢀRUꢀ&(ꢔꢄꢀZKLOHꢀGDWDꢀLVꢀODWFKHGꢀRQꢀWKHꢀꢇVW
ULVLQJꢀHGJHꢀRIꢀ:(ꢔꢀRUꢀ&(ꢔꢃ
1RWHꢀWKHꢀIROORZLQJꢆ
:KHQꢀWKHꢀ(PEHGGHGꢀ3URJUDPꢀDOJRULWKPꢀLVꢀFRPSOHWHꢄꢀWKHꢀGHYLFHꢀUHWXUQVꢀWRꢀWKHꢀUHDGꢀPRGHꢃ
7KHꢀV\VWHPꢀFDQꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀSURJUDPꢀRSHUDWLRQꢀE\ꢀXVLQJꢀ'4ꢈꢀRUꢀ'4ꢎꢃꢀ5HIHU
WRꢀWKHꢀ:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢀVHFWLRQꢀIRUꢀLQIRUPDWLRQꢀRQꢀWKHVHꢀVWDWXVꢀELWVꢃꢀ
$ꢀ³ꢌ´ꢀFDQQRWꢀEHꢀSURJUDPPHGꢀEDFNꢀWRꢀDꢀ³ꢇꢃ´ꢀ$WWHPSWLQJꢀWRꢀGRꢀVRꢀFDXVHVꢀWKHꢀGHYLFHꢀWRꢀVHWꢀ'4ꢊ
ꢀꢇꢀꢁKDOWLQJꢀDQ\ꢀIXUWKHUꢀRSHUDWLRQꢀDQGꢀUHTXLULQJꢀDꢀUHVHWꢀFRPPDQGꢂꢃꢀ$ꢀVXFFHHGLQJꢀUHDGꢀVKRZV
WKDWꢀWKHꢀGDWDꢀLVꢀVWLOOꢀ³ꢌꢃ´ꢀ2QO\ꢀHUDVHꢀRSHUDWLRQVꢀFDQꢀFRQYHUWꢀDꢀ³ꢌ´ꢀWRꢀDꢀ³ꢇꢃ´
$Q\ꢀFRPPDQGVꢀZULWWHQꢀWRꢀWKHꢀGHYLFHꢀGXULQJꢀWKHꢀ(PEHGGHGꢀ3URJUDPꢀ$OJRULWKPꢀDUHꢀLJQRUHG
H[FHSWꢀWKHꢀ3URJUDPꢀ6XVSHQGꢀFRPPDQGꢃꢀ
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢄꢀ$XWRVHOHFWꢄꢀDQGꢀ&),ꢀIXQFWLRQVꢀDUHꢀXQDYDLODEOHꢀZKHQꢀDꢀSURJUDPꢀRSHUꢅ
DWLRQꢀLVꢀLQꢀSURJUHVVꢃꢀ
$ꢀKDUGZDUHꢀUHVHWꢀLPPHGLDWHO\ꢀWHUPLQDWHVꢀWKHꢀSURJUDPꢀRSHUDWLRQꢀDQGꢀWKHꢀSURJUDPꢀFRPPDQG
VHTXHQFHꢀVKRXOGꢀEHꢀUHLQLWLDWHGꢀRQFHꢀWKHꢀGHYLFHꢀKDVꢀUHWXUQHGꢀWRꢀWKHꢀUHDGꢀPRGHꢄꢀWRꢀHQVXUH
GDWDꢀLQWHJULW\ꢃ
3URJUDPPLQJꢀLVꢀDOORZHGꢀLQꢀDQ\ꢀVHTXHQFHꢀDQGꢀDFURVVꢀVHFWRUꢀERXQGDULHVꢀIRUꢀVLQJOHꢀZRUGꢀSURꢅ
JUDPPLQJꢀRSHUDWLRQꢃ
ꢄꢈꢎꢊꢎꢄ 6LQJOHꢀ:RUGꢀ3URJUDPPLQJ
6LQJOHꢀZRUGꢀSURJUDPPLQJꢀPRGHꢀLVꢀWKHꢀVLPSOHVWꢀPHWKRGꢀRIꢀSURJUDPPLQJꢃꢀ,QꢀWKLVꢀPRGHꢄꢀIRXUꢀ)ODVK
FRPPDQGꢀZULWHꢀF\FOHVꢀDUHꢀXVHGꢀWRꢀSURJUDPꢀDQꢀLQGLYLGXDOꢀ)ODVKꢀDGGUHVVꢃꢀ7KHꢀGDWDꢀIRUꢀWKLVꢀSURꢅ
JUDPPLQJꢀRSHUDWLRQꢀFRXOGꢀEHꢀꢋꢅꢄꢀꢇꢎꢅꢀRUꢀꢑꢏꢅELWVꢀZLGHꢃꢀ:KLOHꢀWKLVꢀPHWKRGꢀLVꢀVXSSRUWHGꢀE\ꢀDOO
6SDQVLRQꢀGHYLFHVꢄꢀLQꢀJHQHUDOꢀLWꢀLVꢀQRWꢀUHFRPPHQGHGꢀIRUꢀGHYLFHVꢀWKDWꢀVXSSRUWꢀ:ULWHꢀ%XIIHUꢀ3URꢅ
JUDPPLQJꢃꢀ6HHꢀ7DEOHꢀꢇꢈꢃꢇꢀIRUꢀWKHꢀUHTXLUHGꢀEXVꢀF\FOHVꢀDQGꢀ)LJXUHꢀꢇꢏꢃꢑꢀIRUꢀWKHꢀIORZFKDUWꢃ
:KHQꢀWKHꢀ(PEHGGHGꢀ3URJUDPꢀDOJRULWKPꢀLVꢀFRPSOHWHꢄꢀWKHꢀGHYLFHꢀWKHQꢀUHWXUQVꢀWRꢀWKHꢀUHDGꢀPRGH
DQGꢀDGGUHVVHVꢀDUHꢀQRꢀORQJHUꢀODWFKHGꢃꢀ7KHꢀV\VWHPꢀFDQꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀSURJUDPꢀRSꢅ
HUDWLRQꢀE\ꢀXVLQJꢀ'4ꢈꢀRUꢀ'4ꢎꢃꢀ5HIHUꢀWRꢀWKHꢀ:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢀVHFWLRQꢀIRUꢀLQIRUPDWLRQꢀRQ
WKHVHꢀVWDWXVꢀELWVꢃꢀ
'XULQJꢀSURJUDPPLQJꢄꢀDQ\ꢀFRPPDQGꢀꢁH[FHSWꢀWKHꢀ6XVSHQGꢀ3URJUDPꢀFRPPDQGꢂꢀLVꢀLJQRUHGꢃꢀ
7KHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢄꢀ$XWRVHOHFWꢄꢀDQGꢀ&),ꢀIXQFWLRQVꢀDUHꢀXQDYDLODEOHꢀZKHQꢀDꢀSURJUDP
RSHUDWLRQꢀLVꢀLQꢀSURJUHVVꢃꢀ
December 3, 2005 S29WS-N_m0_I0
37
P r e l i m i n a r y
$ꢀKDUGZDUHꢀUHVHWꢀLPPHGLDWHO\ꢀWHUPLQDWHVꢀWKHꢀSURJUDPꢀRSHUDWLRQꢃꢀ7KHꢀSURJUDPꢀFRPPDQGꢀVHꢅ
TXHQFHꢀVKRXOGꢀEHꢀUHLQLWLDWHGꢀRQFHꢀWKHꢀGHYLFHꢀKDVꢀUHWXUQHGꢀWRꢀWKHꢀUHDGꢀPRGHꢄꢀWRꢀHQVXUHꢀGDWD
LQWHJULW\ꢃꢀ
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Unlock Cycle 1
Unlock Cycle 2
Write Program Command:
Address 555h, Data A0h
Setup Command
Program Address (PA),
Program Data (PD)
Program Data to Address:
PA, PD
Perform Polling Algorithm
(see Write Operation Status
flowchart)
Yes
Polling Status
= Busy?
No
Yes
Polling Status
= Done?
Error condition
No
(Exceeded Timing Limits)
PASS. Device is in
read mode.
FAIL. Issue reset command
to return to read array mode.
Figure 12.3. Single Word Program
38
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Software Functions and Sample Code
Table 12.14. Single Word Program
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB3URJUDP&PGꢂ
Cycle
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
:RUGꢀ$GGUHVV
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
:RUGꢀ$GGUHVV
Data
ꢌꢌ$$K
8QORFNꢀ&\FOHꢀꢇ
8QORFNꢀ&\FOHꢀꢏ
3URJUDPꢀ6HWXS
:ULWH
ꢌꢌꢊꢊK
:ULWH
ꢌꢌ$ꢌK
3URJUDP
:ULWH
'DWDꢀ:RUG
Ir)ꢂ%DVHꢂ ꢂ%DVHꢂ$GGUHVVꢁ
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀVLQJOHꢀZRUGꢀSURJUDPꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKH
6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRU
JHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Program Command
*/
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)base_addr + 0x555 ) = 0x00A0;
/* write unlock cycle 1
/* write unlock cycle 2
/* write program setup command
/* write data to be programmed
*/
*/
*/
*/
*( (UINT16 *)pa )
= data;
/* Poll for program completion */
ꢄꢈꢎꢊꢎꢈ :ULWHꢀ%XIIHUꢀ3URJUDPPLQJ
:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀDOORZVꢀWKHꢀV\VWHPꢀWRꢀZULWHꢀDꢀPD[LPXPꢀRIꢀꢑꢏꢀZRUGVꢀLQꢀRQHꢀSURJUDPꢅ
PLQJꢀRSHUDWLRQꢃꢀ7KLVꢀUHVXOWVꢀLQꢀDꢀIDVWHUꢀHIIHFWLYHꢀZRUGꢀSURJUDPPLQJꢀWLPHꢀWKDQꢀWKHꢀVWDQGDUG
³ZRUG´ꢀSURJUDPPLQJꢀDOJRULWKPVꢃꢀ7KHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀFRPPDQGꢀVHTXHQFHꢀLVꢀLQLWLDWHG
E\ꢀILUVWꢀZULWLQJꢀWZRꢀXQORFNꢀF\FOHVꢃꢀ7KLVꢀLVꢀIROORZHGꢀE\ꢀDꢀWKLUGꢀZULWHꢀF\FOHꢀFRQWDLQLQJꢀWKHꢀ:ULWH
%XIIHUꢀ/RDGꢀFRPPDQGꢀZULWWHQꢀDWꢀWKHꢀ6HFWRUꢀ$GGUHVVꢀLQꢀZKLFKꢀSURJUDPPLQJꢀRFFXUVꢃꢀ$WꢀWKLVꢀSRLQWꢄ
WKHꢀV\VWHPꢀZULWHVꢀWKHꢀQXPEHUꢀRIꢀ³ZRUGꢀORFDWLRQVꢀPLQXVꢀꢇ´ꢀWKDWꢀDUHꢀORDGHGꢀLQWRꢀWKHꢀSDJHꢀEXIIHU
DWꢀWKHꢀ6HFWRUꢀ$GGUHVVꢀLQꢀZKLFKꢀSURJUDPPLQJꢀRFFXUVꢃꢀ7KLVꢀWHOOVꢀWKHꢀGHYLFHꢀKRZꢀPDQ\ꢀZULWHꢀEXIIHU
DGGUHVVHVꢀDUHꢀORDGHGꢀZLWKꢀGDWDꢀDQGꢀWKHUHIRUHꢀZKHQꢀWRꢀH[SHFWꢀWKHꢀ³3URJUDPꢀ%XIIHUꢀWRꢀ)ODVK´ꢀFRQꢅ
ILUPꢀFRPPDQGꢃꢀ7KHꢀQXPEHUꢀRIꢀORFDWLRQVꢀWRꢀSURJUDPꢀFDQQRWꢀH[FHHGꢀWKHꢀVL]HꢀRIꢀWKHꢀZULWHꢀEXIIHU
RUꢀWKHꢀRSHUDWLRQꢀDERUWVꢃꢀꢁ1XPEHUꢀORDGHGꢀ ꢀWKHꢀQXPEHUꢀRIꢀORFDWLRQVꢀWRꢀSURJUDPꢀPLQXVꢀꢇꢃꢀ)RUꢀH[ꢅ
DPSOHꢄꢀLIꢀWKHꢀV\VWHPꢀSURJUDPVꢀꢎꢀDGGUHVVꢀORFDWLRQVꢄꢀWKHQꢀꢌꢊKꢀVKRXOGꢀEHꢀZULWWHQꢀWRꢀWKHꢀGHYLFHꢃꢂꢀ
7KHꢀV\VWHPꢀWKHQꢀZULWHVꢀWKHꢀVWDUWLQJꢀDGGUHVVꢒGDWDꢀFRPELQDWLRQꢃꢀ7KLVꢀVWDUWLQJꢀDGGUHVVꢀLVꢀWKHꢀILUVW
DGGUHVVꢒGDWDꢀSDLUꢀWRꢀEHꢀSURJUDPPHGꢄꢀDQGꢀVHOHFWVꢀWKHꢀ³ZULWHꢅEXIIHUꢅSDJH´ꢀDGGUHVVꢃꢀ$OOꢀVXEVHꢅ
TXHQWꢀDGGUHVVꢒGDWDꢀSDLUVꢀPXVWꢀIDOOꢀZLWKLQꢀWKHꢀHOHFWHGꢅZULWHꢅEXIIHUꢅSDJHꢃ
7KHꢀ³ZULWHꢅEXIIHUꢅSDJH´ꢀLVꢀVHOHFWHGꢀE\ꢀXVLQJꢀWKHꢀDGGUHVVHVꢀ$0$;ꢀꢅꢀ$ꢊꢃ
7KHꢀ³ZULWHꢅEXIIHUꢅSDJH´ꢀDGGUHVVHVꢀPXVWꢀEHꢀWKHꢀVDPHꢀIRUꢀDOOꢀDGGUHVVꢒGDWDꢀSDLUVꢀORDGHGꢀLQWRꢀWKH
ZULWHꢀEXIIHUꢃꢀꢁ7KLVꢀPHDQVꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀFDQQRWꢀEHꢀSHUIRUPHGꢀDFURVVꢀPXOWLSOHꢀ³ZULWHꢅ
EXIIHUꢅSDJHVꢃ´ꢀ7KLVꢀDOVRꢀPHDQVꢀWKDWꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀFDQQRWꢀEHꢀSHUIRUPHGꢀDFURVVꢀPXOꢅ
WLSOHꢀVHFWRUVꢃꢀ,IꢀWKHꢀV\VWHPꢀDWWHPSWVꢀWRꢀORDGꢀSURJUDPPLQJꢀGDWDꢀRXWVLGHꢀRIꢀWKHꢀVHOHFWHGꢀ³ZULWHꢅ
EXIIHUꢅSDJH´ꢄꢀWKHꢀRSHUDWLRQꢀ$%257Vꢃꢂꢀ
$IWHUꢀZULWLQJꢀWKHꢀ6WDUWLQJꢀ$GGUHVVꢒ'DWDꢀSDLUꢄꢀWKHꢀV\VWHPꢀWKHQꢀZULWHVꢀWKHꢀUHPDLQLQJꢀDGGUHVVꢒGDWD
SDLUVꢀLQWRꢀWKHꢀZULWHꢀEXIIHUꢃꢀ
1RWHꢀWKDWꢀLIꢀDꢀ:ULWHꢀ%XIIHUꢀDGGUHVVꢀORFDWLRQꢀLVꢀORDGHGꢀPXOWLSOHꢀWLPHVꢄꢀWKHꢀ³DGGUHVVꢒGDWDꢀSDLU´
FRXQWHUꢀLVꢀGHFUHPHQWHGꢀIRUꢀHYHU\ꢀGDWDꢀORDGꢀRSHUDWLRQꢃꢀ$OVRꢄꢀWKHꢀODVWꢀGDWDꢀORDGHGꢀDWꢀDꢀORFDWLRQ
EHIRUHꢀWKHꢀ³3URJUDPꢀ%XIIHUꢀWRꢀ)ODVK´ꢀFRQILUPꢀFRPPDQGꢀLVꢀSURJUDPPHGꢀLQWRꢀWKHꢀGHYLFHꢃꢀ,WꢀLVꢀWKH
VRIWZDUHꢗVꢀUHVSRQVLELOLW\ꢀWRꢀFRPSUHKHQGꢀUDPLILFDWLRQVꢀRIꢀORDGLQJꢀDꢀZULWHꢅEXIIHUꢀORFDWLRQꢀPRUH
WKDQꢀRQFHꢃꢀ7KHꢀFRXQWHUꢀGHFUHPHQWVꢀIRUꢀHDFKꢀGDWDꢀORDGꢀRSHUDWLRQꢄꢀ127ꢀIRUꢀHDFKꢀXQLTXHꢀZULWHꢅ
December 3, 2005 S29WS-N_m0_I0
39
P r e l i m i n a r y
EXIIHUꢅDGGUHVVꢀORFDWLRQꢃꢀ2QFHꢀWKHꢀVSHFLILHGꢀQXPEHUꢀRIꢀZULWHꢀEXIIHUꢀORFDWLRQVꢀKDYHꢀEHHQꢀORDGHGꢄ
WKHꢀV\VWHPꢀPXVWꢀWKHQꢀZULWHꢀWKHꢀ³3URJUDPꢀ%XIIHUꢀWRꢀ)ODVK´ꢀFRPPDQGꢀDWꢀWKHꢀ6HFWRUꢀ$GGUHVVꢃꢀ$Q\
RWKHUꢀDGGUHVVꢒGDWDꢀZULWHꢀFRPELQDWLRQVꢀDERUWꢀWKHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀRSHUDWLRQꢃꢀ7KHꢀGHꢅ
YLFHꢀJRHVꢀ³EXV\ꢃ´ꢀ7KHꢀ'DWDꢀ%DUꢀSROOLQJꢀWHFKQLTXHVꢀVKRXOGꢀEHꢀXVHGꢀZKLOHꢀPRQLWRULQJꢀWKHꢀODVW
DGGUHVVꢀORFDWLRQꢀORDGHGꢀLQWRꢀWKHꢀZULWHꢀEXIIHUꢃꢀ7KLVꢀHOLPLQDWHVꢀWKHꢀQHHGꢀWRꢀVWRUHꢀDQꢀDGGUHVVꢀLQ
PHPRU\ꢀEHFDXVHꢀWKHꢀV\VWHPꢀFDQꢀORDGꢀWKHꢀODVWꢀDGGUHVVꢀORFDWLRQꢄꢀLVVXHꢀWKHꢀSURJUDPꢀFRQILUPꢀFRPꢅ
PDQGꢀDWꢀWKHꢀODVWꢀORDGHGꢀDGGUHVVꢀORFDWLRQꢄꢀDQGꢀWKHQꢀGDWDꢀEDUꢀSROOꢀDWꢀWKDWꢀVDPHꢀDGGUHVVꢃꢀ'4ꢈꢄ
'4ꢎꢄꢀ'4ꢊꢄꢀ'4ꢏꢄꢀDQGꢀ'4ꢇꢀVKRXOGꢀEHꢀPRQLWRUHGꢀWRꢀGHWHUPLQHꢀWKHꢀGHYLFHꢀVWDWXVꢀGXULQJꢀ:ULWH
%XIIHUꢀ3URJUDPPLQJꢃꢀ
7KHꢀZULWHꢅEXIIHUꢀ³HPEHGGHG´ꢀSURJUDPPLQJꢀRSHUDWLRQꢀFDQꢀEHꢀVXVSHQGHGꢀXVLQJꢀWKHꢀVWDQGDUGꢀVXVꢅ
SHQGꢒUHVXPHꢀFRPPDQGVꢃꢀ8SRQꢀVXFFHVVIXOꢀFRPSOHWLRQꢀRIꢀWKHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJ
RSHUDWLRQꢄꢀWKHꢀGHYLFHꢀUHWXUQVꢀWRꢀ5($'ꢀPRGHꢃꢀ
7KHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀ6HTXHQFHꢀLVꢀ$%257('ꢀXQGHUꢀDQ\ꢀRIꢀWKHꢀIROORZLQJꢀFRQGLWLRQVꢆꢀ
/RDGꢀDꢀYDOXHꢀWKDWꢀLVꢀJUHDWHUꢀWKDQꢀWKHꢀSDJHꢀEXIIHUꢀVL]HꢀGXULQJꢀWKHꢀ³1XPEHUꢀRIꢀ/RFDWLRQVꢀWR
3URJUDP´ꢀVWHSꢃꢀ
:ULWHꢀWRꢀDQꢀDGGUHVVꢀLQꢀDꢀVHFWRUꢀGLIIHUHQWꢀWKDQꢀWKHꢀRQHꢀVSHFLILHGꢀGXULQJꢀWKHꢀ:ULWHꢅ%XIIHUꢅ/RDG
FRPPDQGꢃꢀ
:ULWHꢀDQꢀ$GGUHVVꢒ'DWDꢀSDLUꢀWRꢀDꢀGLIIHUHQWꢀZULWHꢅEXIIHUꢅSDJHꢀWKDQꢀWKHꢀRQHꢀVHOHFWHGꢀE\ꢀWKH
³6WDUWLQJꢀ$GGUHVV´ꢀGXULQJꢀWKHꢀ³ZULWHꢀEXIIHUꢀGDWDꢀORDGLQJ´ꢀVWDJHꢀRIꢀWKHꢀRSHUDWLRQꢃꢀ
:ULWHꢀGDWDꢀRWKHUꢀWKDQꢀWKHꢀ³&RQILUPꢀ&RPPDQG´ꢀDIWHUꢀWKHꢀVSHFLILHGꢀQXPEHUꢀRIꢀ³GDWDꢀORDG´ꢀF\ꢅ
FOHVꢃꢀ
7KHꢀ$%257ꢀFRQGLWLRQꢀLVꢀLQGLFDWHGꢀE\ꢀ'4ꢇꢀ ꢀꢇꢄꢀ'4ꢈꢀ ꢀ'$7$ꢔꢀꢁIRUꢀWKHꢀ³ODVWꢀDGGUHVVꢀORFDWLRQ
ORDGHG´ꢂꢄꢀ'4ꢎꢀ ꢀ72**/(ꢄꢀ'4ꢊꢀ ꢀꢌꢃꢀ7KLVꢀLQGLFDWHVꢀWKDWꢀWKHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀ2SHUDWLRQ
ZDVꢀ$%257('ꢃꢀ$ꢀ³:ULWHꢅWRꢅ%XIIHUꢅ$ERUWꢀUHVHW´ꢀFRPPDQGꢀVHTXHQFHꢀLVꢀUHTXLUHGꢀZKHQꢀXVLQJꢀWKH
ZULWHꢀEXIIHUꢀ3URJUDPPLQJꢀIHDWXUHVꢀLQꢀ8QORFNꢀ%\SDVVꢀPRGHꢃꢀ1RWHꢀWKDWꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀVHFWRUꢄ
DXWRVHOHFWꢄꢀDQGꢀ&),ꢀIXQFWLRQVꢀDUHꢀXQDYDLODEOHꢀZKHQꢀDꢀSURJUDPꢀRSHUDWLRQꢀLVꢀLQꢀSURJUHVVꢃꢀ
:ULWHꢀEXIIHUꢀSURJUDPPLQJꢀLVꢀDOORZHGꢀLQꢀDQ\ꢀVHTXHQFHꢀRIꢀPHPRU\ꢀꢁRUꢀDGGUHVVꢂꢀORFDWLRQVꢃꢀ7KHVH
IODVKꢀGHYLFHVꢀDUHꢀFDSDEOHꢀRIꢀKDQGOLQJꢀPXOWLSOHꢀZULWHꢀEXIIHUꢀSURJUDPPLQJꢀRSHUDWLRQVꢀRQꢀWKHꢀVDPH
ZULWHꢀEXIIHUꢀDGGUHVVꢀUDQJHꢀZLWKRXWꢀLQWHUYHQLQJꢀHUDVHVꢃ
8VHꢀRIꢀWKHꢀZULWHꢀEXIIHUꢀLVꢀVWURQJO\ꢀUHFRPPHQGHGꢀIRUꢀSURJUDPPLQJꢀZKHQꢀPXOWLSOHꢀZRUGVꢀDUHꢀWR
EHꢀSURJUDPPHGꢃꢀ:ULWHꢀEXIIHUꢀSURJUDPPLQJꢀLVꢀDSSUR[LPDWHO\ꢀHLJKWꢀWLPHVꢀIDVWHUꢀWKDQꢀSURJUDPꢅ
PLQJꢀRQHꢀZRUGꢀDWꢀDꢀWLPHꢃꢀ
40
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Software Functions and Sample Code
Table 12.15. Write Buffer Program
ꢁ//'ꢀ)XQFWLRQVꢀ8VHGꢀ ꢀOOGB:ULWH7R%XIIHU&PGꢄꢀOOGB3URJUDP%XIIHU7R)ODVK&PGꢂ
Cycle
Description
8QORFN
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
Data
ꢌꢌ$$K
ꢇ
ꢏ
ꢑ
ꢍ
8QORFN
:ULWH
ꢌꢌꢊꢊK
:ULWHꢀ%XIIHUꢀ/RDGꢀ&RPPDQG
:ULWHꢀ:RUGꢀ&RXQW
:ULWH
3URJUDPꢀ$GGUHVV
3URJUDPꢀ$GGUHVV
ꢌꢌꢏꢊK
:ULWH
:RUGꢀ&RXQWꢀꢁ1±ꢇꢂK
1XPEHUꢀRIꢀZRUGVꢀꢂ1ꢃꢀORDGHGꢀLQWRꢀWKHꢀZULWHꢀEXIIHUꢀFDQꢀEHꢀIURPꢀꢄꢀWRꢀꢅꢈꢀZRUGVꢎ
ꢊꢀWRꢀꢑꢎ
/DVW
/RDGꢀ%XIIHUꢀ:RUGꢀ1
:ULWHꢀ%XIIHUꢀWRꢀ)ODVK
:ULWH
:ULWH
3URJUDPꢀ$GGUHVVꢄꢀ:RUGꢀ1
6HFWRUꢀ$GGUHVV
:RUGꢀ1
ꢌꢌꢏꢉK
Ir)
ꢀꢁ %DVHꢂ ꢂ%DVHꢂ$GGUHVVꢁꢂ
ꢆꢁ /DVWꢂ ꢂ/DVWꢂF\FOHꢂRIꢂZULWHꢂEXIIHUꢂSURJUDPꢂRSHUDWLRQꢇꢂGHSHQGLQJꢂRQꢂQXPEHUꢂRIꢂ
ZRUGVꢂZULWWHQꢄꢂWKHꢂWRWDOꢂQXPEHUꢂRIꢂF\FOHVꢂPD\ꢂEHꢂIURPꢂꢌꢂWRꢂꢊꢋꢁ
ꢊꢁ )RUꢂPD[LPXPꢂHIILFLHQF\ꢄꢂLWꢂLVꢂUHFRPPHQGHGꢂWKDWꢂWKHꢂZULWHꢂEXIIHUꢂEHꢂORDGHGꢂZLWKꢂ
WKHꢂKLJKHVWꢂQXPEHUꢂRIꢂZRUGVꢂꢏ1ꢂZRUGVꢐꢂSRVVLEOHꢁ
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀZULWHꢀEXIIHUꢀSURJUDPꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKH
6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRU
JHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Write Buffer Programming Command
*/
/* NOTES: Write buffer programming limited to 16 words. */
/*
/*
/*
/*
All addresses to be written to the flash in
one operation must be within the same flash
page. A flash page begins at addresses
evenly divisible by 0x20.
*/
*/
*/
*/
UINT16 *src = source_of_data;
UINT16 *dst = destination_of_data;
/* address of source data
/* flash destination address
/* word count (minus 1)
/* write unlock cycle 1
/* write unlock cycle 2
*/
*/
*/
*/
*/
UINT16 wc
= words_to_program -1;
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)sector_address )
*( (UINT16 *)sector_address )
= 0x0025;
= wc;
/* write write buffer load command */
/* write word count (minus 1) */
loop:
*dst = *src; /* ALL dst MUST BE SAME PAGE */ /* write source data to destination */
dst++;
src++;
/* increment destination pointer
/* increment source pointer
*/
*/
if (wc == 0) goto confirm
wc--;
goto loop;
/* done when word count equals zero */
/* decrement word count
/* do it again
*/
*/
confirm:
*( (UINT16 *)sector_address )
/* poll for completion */
= 0x0029;
/* write confirm command
*/
/* Example: Write Buffer Abort Reset */
*( (UINT16 *)addr + 0x555 ) = 0x00AA;
*( (UINT16 *)addr + 0x2AA ) = 0x0055;
*( (UINT16 *)addr + 0x555 ) = 0x00F0;
/* write unlock cycle 1
/* write unlock cycle 2
/* write buffer abort reset
*/
*/
*/
December 3, 2005 S29WS-N_m0_I0
41
P r e l i m i n a r y
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Unlock Cycle 1
Unlock Cycle 2
Issue
Write Buffer Load Command:
Address 555h, Data 25h
Load Word Count to Program
Program Data to Address:
SA = wc
wc = number of words – 1
Yes
Confirm command:
wc = 0?
No
SA = 0x29h
Wait 4 µs
(Recommended)
Write Next Word,
Decrement wc:
PA data , wc = wc – 1
Perform Polling Algorithm
(see Write Operation Status
flowchart)
Yes
Write Buffer
Abort?
Yes
Polling Status
= Done?
No
No
Error?
Yes
FAIL. Issue reset command
to return to read array mode.
No
RESET. Issue Write Buffer
Abort Reset Command
PASS. Device is in
read mode.
Figure 12.4. Write Buffer Programming Operation
ꢄꢈꢎꢊꢎꢅ 6HFWRUꢀ(UDVHꢀ
7KHꢀVHFWRUꢀHUDVHꢀIXQFWLRQꢀHUDVHVꢀRQHꢀRUꢀPRUHꢀVHFWRUVꢀLQꢀWKHꢀPHPRU\ꢀDUUD\ꢃꢀꢁ6HHꢀ7DEOHꢀꢇꢈꢃꢇꢄ
0HPRU\ꢀ$UUD\ꢀ&RPPDQGVꢕꢀDQGꢀ)LJXUHꢀꢇꢏꢃꢊꢄꢀ6HFWRUꢀ(UDVHꢀ2SHUDWLRQꢃꢂꢀ7KHꢀGHYLFHꢀGRHVꢀQRWꢀUHꢅ
TXLUHꢀWKHꢀV\VWHPꢀWRꢀSUHSURJUDPꢀSULRUꢀWRꢀHUDVHꢃꢀ7KHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀDXWRPDWLFDOO\
SURJUDPVꢀDQGꢀYHULILHVꢀWKHꢀHQWLUHꢀPHPRU\ꢀIRUꢀDQꢀDOOꢀ]HURꢀGDWDꢀSDWWHUQꢀSULRUꢀWRꢀHOHFWULFDOꢀHUDVHꢃ
$IWHUꢀDꢀVXFFHVVIXOꢀVHFWRUꢀHUDVHꢄꢀDOOꢀORFDWLRQVꢀZLWKLQꢀWKHꢀHUDVHGꢀVHFWRUꢀFRQWDLQꢀꢀ))))Kꢃꢀ7KHꢀV\VWHP
LVꢀQRWꢀUHTXLUHGꢀWRꢀSURYLGHꢀDQ\ꢀFRQWUROVꢀRUꢀWLPLQJVꢀGXULQJꢀWKHVHꢀRSHUDWLRQVꢃꢀ
42
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
$IWHUꢀWKHꢀFRPPDQGꢀVHTXHQFHꢀLVꢀZULWWHQꢄꢀDꢀVHFWRUꢀHUDVHꢀWLPHꢅRXWꢀRIꢀQRꢀOHVVꢀWKDQꢀW6($ꢀRFFXUVꢃꢀ'XUꢅ
LQJꢀWKHꢀWLPHꢅRXWꢀSHULRGꢄꢀDGGLWLRQDOꢀVHFWRUꢀDGGUHVVHVꢀDQGꢀVHFWRUꢀHUDVHꢀFRPPDQGVꢀPD\ꢀEHꢀZULWWHQꢃ
/RDGLQJꢀWKHꢀVHFWRUꢀHUDVHꢀEXIIHUꢀPD\ꢀEHꢀGRQHꢀLQꢀDQ\ꢀVHTXHQFHꢄꢀDQGꢀWKHꢀQXPEHUꢀRIꢀVHFWRUVꢀPD\
EHꢀIURPꢀRQHꢀVHFWRUꢀWRꢀDOOꢀVHFWRUVꢃꢀ7KHꢀWLPHꢀEHWZHHQꢀWKHVHꢀDGGLWLRQDOꢀF\FOHVꢀPXVWꢀEHꢀOHVVꢀWKDQ
W6($ꢃꢀ$Q\ꢀVHFWRUꢀHUDVHꢀDGGUHVVꢀDQGꢀFRPPDQGꢀIROORZLQJꢀWKHꢀH[FHHGHGꢀWLPHꢅRXWꢀꢁW6($ꢂꢀPD\ꢀRUꢀPD\
QRWꢀEHꢀDFFHSWHGꢃꢀ$Q\ꢀFRPPDQGꢀRWKHUꢀWKDQꢀ6HFWRUꢀ(UDVHꢀRUꢀ(UDVHꢀ6XVSHQGꢀGXULQJꢀWKHꢀWLPHꢅRXW
SHULRGꢀUHVHWVꢀWKDWꢀEDQNꢀWRꢀWKHꢀUHDGꢀPRGHꢃꢀ7KHꢀV\VWHPꢀFDQꢀPRQLWRUꢀ'4ꢑꢀWRꢀGHWHUPLQHꢀLIꢀWKHꢀVHFWRU
HUDVHꢀWLPHUꢀKDVꢀWLPHGꢀRXWꢀꢁ6HHꢀWKHꢀ'4ꢑꢆꢀ6HFWRUꢀ(UDVHꢀ7LPHRXWꢀ6WDWHꢀ,QGLFDWRUꢀVHFWLRQꢃꢂꢀ7KH
WLPHꢅRXWꢀEHJLQVꢀIURPꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀILQDOꢀ:(ꢔꢀSXOVHꢀLQꢀWKHꢀFRPPDQGꢀVHTXHQFHꢃ
:KHQꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀLVꢀFRPSOHWHꢄꢀWKHꢀEDQNꢀUHWXUQVꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢀDQG
DGGUHVVHVꢀDUHꢀQRꢀORQJHUꢀODWFKHGꢃꢀ1RWHꢀWKDWꢀZKLOHꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀRSHUDWLRQꢀLVꢀLQꢀSURJUHVVꢄ
WKHꢀV\VWHPꢀFDQꢀUHDGꢀGDWDꢀIURPꢀWKHꢀQRQꢅHUDVLQJꢀEDQNVꢃꢀ7KHꢀV\VWHPꢀFDQꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRI
WKHꢀHUDVHꢀRSHUDWLRQꢀE\ꢀUHDGLQJꢀ'4ꢈꢀRUꢀ'4ꢎꢒ'4ꢏꢀLQꢀWKHꢀHUDVLQJꢀEDQNꢃꢀ5HIHUꢀWRꢀ:ULWHꢀ2SHUDWLRQ
6WDWXVꢀIRUꢀLQIRUPDWLRQꢀRQꢀWKHVHꢀVWDWXVꢀELWVꢃꢀ
2QFHꢀWKHꢀVHFWRUꢀHUDVHꢀRSHUDWLRQꢀKDVꢀEHJXQꢄꢀRQO\ꢀWKHꢀ(UDVHꢀ6XVSHQGꢀFRPPDQGꢀLVꢀYDOLGꢃꢀ$OOꢀRWKHU
FRPPDQGVꢀDUHꢀLJQRUHGꢃꢀ+RZHYHUꢄꢀQRWHꢀWKDWꢀDꢀKDUGZDUHꢀUHVHWꢀLPPHGLDWHO\ꢀWHUPLQDWHVꢀWKHꢀHUDVH
RSHUDWLRQꢃꢀ,IꢀWKDWꢀRFFXUVꢄꢀWKHꢀVHFWRUꢀHUDVHꢀFRPPDQGꢀVHTXHQFHꢀVKRXOGꢀEHꢀUHLQLWLDWHGꢀRQFHꢀWKDW
EDQNꢀKDVꢀUHWXUQHGꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢄꢀWRꢀHQVXUHꢀGDWDꢀLQWHJULW\ꢃꢀ
)LJXUHꢀꢇꢏꢃꢊꢀLOOXVWUDWHVꢀWKHꢀDOJRULWKPꢀIRUꢀWKHꢀHUDVHꢀRSHUDWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀ(UDVHꢀDQGꢀ3URJUDPPLQJ
3HUIRUPDQFHꢀVHFWLRQꢀIRUꢀSDUDPHWHUVꢀDQGꢀWLPLQJꢀGLDJUDPVꢃ
Software Functions and Sample Code
Table 12.16. Sector Erase
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB6HFWRU(UDVH&PGꢂ
Cycle
Description
8QORFN
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
6HFWRUꢀ$GGUHVV
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
6HFWRUꢀ$GGUHVV
Data
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢋꢌK
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢑꢌK
8QORFN
:ULWH
6HWXSꢀ&RPPDQG
8QORFN
:ULWH
:ULWH
8QORFN
:ULWH
6HFWRUꢀ(UDVHꢀ&RPPDQG
:ULWH
8QOLPLWHGꢀDGGLWLRQDOꢀVHFWRUVꢀPD\ꢀEHꢀVHOHFWHGꢀIRUꢀHUDVHꢔꢀFRPPDQGꢂVꢃꢀPXVWꢀEHꢀZULWWHQꢀZLWKLQꢀW
ꢎꢀ
6($
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀVHFWRUꢀHUDVHꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQVLRQ
/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDOꢀLQꢅ
IRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Sector Erase Command */
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)base_addr + 0x555 ) = 0x0080;
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
/* write unlock cycle 1
/* write unlock cycle 2
/* write setup command
/* write additional unlock cycle 1 */
/* write additional unlock cycle 2 */
*/
*/
*/
*( (UINT16 *)sector_address )
= 0x0030;
/* write sector erase command
*/
December 3, 2005 S29WS-N_m0_I0
43
P r e l i m i n a r y
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Unlock Cycle 1
Unlock Cycle 2
Write Sector Erase Cycles:
Address 555h, Data 80h
Address 555h, Data AAh
Address 2AAh, Data 55h
Sector Address, Data 30h
Command Cycle 1
Command Cycle 2
Command Cycle 3
Specify first sector for erasure
Select
Additional
Sectors?
No
Yes
Write Additional
Sector Addresses
• Each additional cycle must be written within tSEA timeout
• Timeout resets after each additional cycle is written
• The host system may monitor DQ3 or wait tSEA to ensure
acceptance of erase commands
Yes
Last Sector
Selected?
No
• No limit on number of sectors
Poll DQ3.
DQ3 = 1?
• Commands other than Erase Suspend or selecting
additional sectors for erasure during timeout reset device
to reading array data
No
Yes
Wait 4 µs
(Recommended)
Perform Write Operation
Status Algorithm
Status may be obtained by reading DQ7, DQ6 and/or DQ2.
ꢁVHHꢀ)LJXUHꢀꢇꢏꢃꢎꢂ
Yes
Done?
No
No
Error condition (Exceeded Timing Limits)
DQ5 = 1?
Yes
PASS. Device returns
to reading array.
FAIL. Write reset command
to return to reading array.
Ir)
ꢀꢁ 6HHꢂ7DEOHꢂꢀꢋꢁꢀꢂIRUꢂHUDVHꢂFRPPDQGꢂVHTXHQFHꢁ
ꢆꢁ 6HHꢂWKHꢂVHFWLRQꢂRQꢂ'4ꢊꢂIRUꢂLQIRUPDWLRQꢂRQꢂWKHꢂVHFWRUꢂHUDVHꢂWLPHRXWꢁ
Figure 12.5. Sector Erase Operation
44
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢈꢎꢊꢎꢒ &KLSꢀ(UDVHꢀ&RPPDQGꢀ6HTXHQFHꢀ
&KLSꢀHUDVHꢀLVꢀDꢀVL[ꢅEXVꢀF\FOHꢀRSHUDWLRQꢀDVꢀLQGLFDWHGꢀE\ꢀ7DEOHꢀꢇꢈꢃꢇꢃꢀ7KHVHꢀFRPPDQGVꢀLQYRNHꢀWKH
(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢄꢀZKLFKꢀGRHVꢀQRWꢀUHTXLUHꢀWKHꢀV\VWHPꢀWRꢀSUHSURJUDPꢀSULRUꢀWRꢀHUDVHꢃꢀ7KH
(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀDXWRPDWLFDOO\ꢀSUHSURJUDPVꢀDQGꢀYHULILHVꢀWKHꢀHQWLUHꢀPHPRU\ꢀIRUꢀDQꢀDOO
]HURꢀGDWDꢀSDWWHUQꢀSULRUꢀWRꢀHOHFWULFDOꢀHUDVHꢃꢀ$IWHUꢀDꢀVXFFHVVIXOꢀFKLSꢀHUDVHꢄꢀDOOꢀORFDWLRQVꢀRIꢀWKHꢀFKLS
FRQWDLQꢀꢀ))))Kꢃꢀ7KHꢀV\VWHPꢀLVꢀQRWꢀUHTXLUHGꢀWRꢀSURYLGHꢀDQ\ꢀFRQWUROVꢀRUꢀWLPLQJVꢀGXULQJꢀWKHVHꢀRSꢅ
HUDWLRQVꢃꢀ7KHꢀ³&RPPDQGꢀ'HILQLWLRQ´ꢀVHFWLRQꢀLQꢀWKHꢀDSSHQGL[ꢀVKRZVꢀWKHꢀDGGUHVVꢀDQGꢀGDWD
UHTXLUHPHQWVꢀIRUꢀWKHꢀFKLSꢀHUDVHꢀFRPPDQGꢀVHTXHQFHꢃꢀ
:KHQꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀLVꢀFRPSOHWHꢄꢀWKDWꢀEDQNꢀUHWXUQVꢀWRꢀWKHꢀUHDGꢀPRGHꢀDQGꢀDGꢅ
GUHVVHVꢀDUHꢀQRꢀORQJHUꢀODWFKHGꢃꢀ7KHꢀV\VWHPꢀFDQꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀHUDVHꢀRSHUDWLRQꢀE\
XVLQJꢀ'4ꢈꢀRUꢀ'4ꢎꢒ'4ꢏꢃꢀ5HIHUꢀWRꢀ³:ULWHꢀ2SHUDWLRQꢀ6WDWXV´ꢀIRUꢀLQIRUPDWLRQꢀRQꢀWKHVHꢀVWDWXVꢀELWVꢃꢀ
$Q\ꢀFRPPDQGVꢀZULWWHQꢀGXULQJꢀWKHꢀFKLSꢀHUDVHꢀRSHUDWLRQꢀDUHꢀLJQRUHGꢃꢀ+RZHYHUꢄꢀQRWHꢀWKDWꢀDꢀKDUGꢅ
ZDUHꢀUHVHWꢀLPPHGLDWHO\ꢀWHUPLQDWHVꢀWKHꢀHUDVHꢀRSHUDWLRQꢃꢀ,IꢀWKDWꢀRFFXUVꢄꢀWKHꢀFKLSꢀHUDVHꢀFRPPDQG
VHTXHQFHꢀVKRXOGꢀEHꢀUHLQLWLDWHGꢀRQFHꢀWKDWꢀEDQNꢀKDVꢀUHWXUQHGꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢄꢀWRꢀHQVXUHꢀGDWD
LQWHJULW\ꢃꢀ
Software Functions and Sample Code
Table 12.17. Chip Erase
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB&KLS(UDVH&PGꢂ
Cycle
Description
8QORFN
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
Data
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢋꢌK
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢇꢌK
8QORFN
:ULWH
6HWXSꢀ&RPPDQG
8QORFN
:ULWH
:ULWH
8QORFN
:ULWH
&KLSꢀ(UDVHꢀ&RPPDQG
:ULWH
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀFKLSꢀHUDVHꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQVLRQ
/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDOꢀLQꢅ
IRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Chip Erase Command */
/* Note: Cannot be suspended
*/
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)base_addr + 0x555 ) = 0x0080;
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)base_addr + 0x000 ) = 0x0010;
/* write unlock cycle 1
/* write unlock cycle 2
/* write setup command
/* write additional unlock cycle 1 */
/* write additional unlock cycle 2 */
*/
*/
*/
/* write chip erase command
*/
ꢄꢈꢎꢊꢎꢉ (UDVHꢀ6XVSHQGꢌ(UDVHꢀ5HVXPHꢀ&RPPDQGV
:KHQꢀWKHꢀ(UDVHꢀ6XVSHQGꢀFRPPDQGꢀLVꢀZULWWHQꢀGXULQJꢀWKHꢀVHFWRUꢀHUDVHꢀWLPHꢅRXWꢄꢀWKHꢀGHYLFHꢀLPꢅ
PHGLDWHO\ꢀWHUPLQDWHVꢀWKHꢀWLPHꢅRXWꢀSHULRGꢀDQGꢀVXVSHQGVꢀWKHꢀHUDVHꢀRSHUDWLRQꢃꢀ7KHꢀ(UDVHꢀ6XVSHQG
FRPPDQGꢀDOORZVꢀWKHꢀV\VWHPꢀWRꢀLQWHUUXSWꢀDꢀVHFWRUꢀHUDVHꢀRSHUDWLRQꢀDQGꢀWKHQꢀUHDGꢀGDWDꢀIURPꢄꢀRU
SURJUDPꢀGDWDꢀWRꢄꢀDQ\ꢀVHFWRUꢀQRWꢀVHOHFWHGꢀIRUꢀHUDVXUHꢃꢀ7KHꢀEDQNꢀDGGUHVVꢀLVꢀUHTXLUHGꢀZKHQꢀZULWLQJ
WKLVꢀFRPPDQGꢃꢀ7KLVꢀFRPPDQGꢀLVꢀYDOLGꢀRQO\ꢀGXULQJꢀWKHꢀVHFWRUꢀHUDVHꢀRSHUDWLRQꢄꢀLQFOXGLQJꢀWKHꢀPLQꢅ
LPXPꢀW6($ꢀWLPHꢅRXWꢀSHULRGꢀGXULQJꢀWKHꢀVHFWRUꢀHUDVHꢀFRPPDQGꢀVHTXHQFHꢃꢀ7KHꢀ(UDVHꢀ6XVSHQG
FRPPDQGꢀLVꢀLJQRUHGꢀLIꢀZULWWHQꢀGXULQJꢀWKHꢀFKLSꢀHUDVHꢀRSHUDWLRQꢃꢀ
December 3, 2005 S29WS-N_m0_I0
45
P r e l i m i n a r y
:KHQꢀWKHꢀ(UDVHꢀ6XVSHQGꢀFRPPDQGꢀLVꢀZULWWHQꢀDIWHUꢀWKHꢀW6($ꢀWLPHꢅRXWꢀSHULRGꢀKDVꢀH[SLUHGꢀDQGꢀGXUꢅ
LQJꢀWKHꢀVHFWRUꢀHUDVHꢀRSHUDWLRQꢄꢀWKHꢀGHYLFHꢀUHTXLUHVꢀDꢀPD[LPXPꢀRIꢀW(6/ꢀꢁHUDVHꢀVXVSHQGꢀODWHQF\ꢂ
WRꢀVXVSHQGꢀWKHꢀHUDVHꢀRSHUDWLRQꢃꢀ$GGLWLRQDO\ꢄꢀZKHQꢀDQꢀ(UDVHꢀ6XVSHQGꢀFRPPDQGꢀLVꢀZULWWHQꢀGXULQJ
DQꢀDFWLYHꢀHUDVHꢀRSHUDWLRQꢄꢀVWDWXVꢀLQIRUPDWLRQꢀLVꢀXQDYDLODEOHꢀGXULQJꢀWKHꢀWUDQVLWLRQꢀIURPꢀWKHꢀVHFWRU
HUDVHꢀRSHUDWLRQꢀWRꢀWKHꢀHUDVHꢀVXVSHQGHGꢀVWDWHꢃ
$IWHUꢀWKHꢀHUDVHꢀRSHUDWLRQꢀKDVꢀEHHQꢀVXVSHQGHGꢄꢀWKHꢀEDQNꢀHQWHUVꢀWKHꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢃ
7KHꢀV\VWHPꢀFDQꢀUHDGꢀGDWDꢀIURPꢀRUꢀSURJUDPꢀGDWDꢀWRꢀDQ\ꢀVHFWRUꢀQRWꢀVHOHFWHGꢀIRUꢀHUDVXUHꢃꢀꢁ7KHꢀGHꢅ
YLFHꢀ³HUDVHꢀVXVSHQGV´ꢀDOOꢀVHFWRUVꢀVHOHFWHGꢀIRUꢀHUDVXUHꢃꢂꢀ5HDGLQJꢀDWꢀDQ\ꢀDGGUHVVꢀZLWKLQꢀHUDVHꢅ
VXVSHQGHGꢀVHFWRUVꢀSURGXFHVꢀVWDWXVꢀLQIRUPDWLRQꢀRQꢀ'4ꢈꢅ'4ꢌꢃꢀ7KHꢀV\VWHPꢀFDQꢀXVHꢀ'4ꢈꢄꢀRUꢀ'4ꢎꢄ
DQGꢀ'4ꢏꢀWRJHWKHUꢄꢀWRꢀGHWHUPLQHꢀLIꢀDꢀVHFWRUꢀLVꢀDFWLYHO\ꢀHUDVLQJꢀRUꢀLVꢀHUDVHꢅVXVSHQGHGꢃꢀ5HIHUꢀWR
7DEOHꢀꢇꢏꢃꢏꢎꢀIRUꢀLQIRUPDWLRQꢀRQꢀWKHVHꢀVWDWXVꢀELWVꢃꢀ
$IWHUꢀDQꢀHUDVHꢅVXVSHQGHGꢀSURJUDPꢀRSHUDWLRQꢀLVꢀFRPSOHWHꢄꢀWKHꢀEDQNꢀUHWXUQVꢀWRꢀWKHꢀHUDVHꢅVXVꢅ
SHQGꢅUHDGꢀPRGHꢃꢀ7KHꢀV\VWHPꢀFDQꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀSURJUDPꢀRSHUDWLRQꢀXVLQJꢀWKHꢀ'4ꢈ
RUꢀ'4ꢎꢀVWDWXVꢀELWVꢄꢀMXVWꢀDVꢀLQꢀWKHꢀVWDQGDUGꢀSURJUDPꢀRSHUDWLRQꢃꢀ
,QꢀWKHꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢄꢀWKHꢀV\VWHPꢀFDQꢀDOVRꢀLVVXHꢀWKHꢀ$XWRVHOHFWꢀFRPPDQGꢀVHTXHQFHꢃ
5HIHUꢀWRꢀWKHꢀ³:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀ2SHUDWLRQ´ꢀVHFWLRQꢀDQGꢀWKHꢀ³$XWRVHOHFWꢀ&RPPDQGꢀ6Hꢅ
TXHQFH´ꢀVHFWLRQꢀIRUꢀGHWDLOVꢃꢀ
7RꢀUHVXPHꢀWKHꢀVHFWRUꢀHUDVHꢀRSHUDWLRQꢄꢀWKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀ(UDVHꢀ5HVXPHꢀFRPPDQGꢃꢀ7KH
EDQNꢀDGGUHVVꢀRIꢀWKHꢀHUDVHꢅVXVSHQGHGꢀEDQNꢀLVꢀUHTXLUHGꢀZKHQꢀZULWLQJꢀWKLVꢀFRPPDQGꢃꢀ)XUWKHU
ZULWHVꢀRIꢀWKHꢀ5HVXPHꢀFRPPDQGꢀDUHꢀLJQRUHGꢃꢀ$QRWKHUꢀ(UDVHꢀ6XVSHQGꢀFRPPDQGꢀFDQꢀEHꢀZULWWHQ
DIWHUꢀWKHꢀFKLSꢀKDVꢀUHVXPHGꢀHUDVLQJꢃꢀ
Software Functions and Sample Code
Table 12.18. Erase Suspend
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB(UDVH6XVSHQG&PGꢂ
Cycle
Operation
Byte Address
Word Address
Data
ꢇ
:ULWH
%DQNꢀ$GGUHVV
%DQNꢀ$GGUHVV
ꢌꢌ%ꢌK
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀHUDVHꢀVXVSHQGꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQꢃ
VLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDO
LQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Erase suspend command */
*( (UINT16 *)bank_addr + 0x000 ) = 0x00B0;
/* write suspend command
*/
Table 12.19. Erase Resume
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB(UDVH5HVXPH&PGꢂ
Cycle
Operation
Byte Address
Word Address
%DQNꢀ$GGUHVV
Data
ꢇ
:ULWH
%DQNꢀ$GGUHVV
ꢌꢌꢑꢌK
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀHUDVHꢀUHVXPHꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQꢃ
VLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDO
LQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Erase resume command */
*( (UINT16 *)bank_addr + 0x000 ) = 0x0030;
/* write resume command
*/
/* The flash needs adequate time in the resume state */
46
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢈꢎꢊꢎꢊ 3URJUDPꢀ6XVSHQGꢌ3URJUDPꢀ5HVXPHꢀ&RPPDQGVꢀ
7KHꢀ3URJUDPꢀ6XVSHQGꢀFRPPDQGꢀDOORZVꢀWKHꢀV\VWHPꢀWRꢀLQWHUUXSWꢀDQꢀHPEHGGHGꢀSURJUDPPLQJꢀRSꢅ
HUDWLRQꢀRUꢀDꢀ³:ULWHꢀWRꢀ%XIIHU´ꢀSURJUDPPLQJꢀRSHUDWLRQꢀVRꢀWKDWꢀGDWDꢀFDQꢀUHDGꢀIURPꢀDQ\ꢀQRQꢅ
VXVSHQGHGꢀVHFWRUꢃꢀ:KHQꢀWKHꢀ3URJUDPꢀ6XVSHQGꢀFRPPDQGꢀLVꢀZULWWHQꢀGXULQJꢀDꢀSURJUDPPLQJꢀSURꢅ
FHVVꢄꢀWKHꢀGHYLFHꢀKDOWVꢀWKHꢀSURJUDPPLQJꢀRSHUDWLRQꢀZLWKLQꢀW36/ꢀꢁSURJUDPꢀVXVSHQGꢀODWHQF\ꢂꢀDQG
XSGDWHVꢀWKHꢀVWDWXVꢀELWVꢃꢀ$GGUHVVHVꢀDUHꢀ³GRQꢗWꢅFDUHV´ꢀZKHQꢀZULWLQJꢀWKHꢀ3URJUDPꢀ6XVSHQG
FRPPDQGꢃꢀ
$IWHUꢀWKHꢀSURJUDPPLQJꢀRSHUDWLRQꢀKDVꢀEHHQꢀVXVSHQGHGꢄꢀWKHꢀV\VWHPꢀFDQꢀUHDGꢀDUUD\ꢀGDWDꢀIURPꢀDQ\
QRQꢅVXVSHQGHGꢀVHFWRUꢃꢀ7KHꢀ3URJUDPꢀ6XVSHQGꢀFRPPDQGꢀPD\ꢀDOVRꢀEHꢀLVVXHGꢀGXULQJꢀDꢀSURJUDPꢅ
PLQJꢀRSHUDWLRQꢀZKLOHꢀDQꢀHUDVHꢀLVꢀVXVSHQGHGꢃꢀ,QꢀWKLVꢀFDVHꢄꢀGDWDꢀPD\ꢀEHꢀUHDGꢀIURPꢀDQ\ꢀDGGUHVVHV
QRWꢀLQꢀ(UDVHꢀ6XVSHQGꢀRUꢀ3URJUDPꢀ6XVSHQGꢃꢀ,IꢀDꢀUHDGꢀLVꢀQHHGHGꢀIURPꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRU
DUHDꢄꢀWKHQꢀXVHUꢀPXVWꢀXVHꢀWKHꢀSURSHUꢀFRPPDQGꢀVHTXHQFHVꢀWRꢀHQWHUꢀDQGꢀH[LWꢀWKLVꢀUHJLRQꢃꢀ
7KHꢀV\VWHPꢀPD\ꢀDOVRꢀZULWHꢀWKHꢀ$XWRVHOHFWꢀFRPPDQGꢀVHTXHQFHꢀZKHQꢀWKHꢀGHYLFHꢀLVꢀLQꢀ3URJUDP
6XVSHQGꢀPRGHꢃꢀ7KHꢀGHYLFHꢀDOORZVꢀUHDGLQJꢀ$XWRVHOHFWꢀFRGHVꢀLQꢀWKHꢀVXVSHQGHGꢀVHFWRUVꢄꢀVLQFHꢀWKH
FRGHVꢀDUHꢀQRWꢀVWRUHGꢀLQꢀWKHꢀPHPRU\ꢀDUUD\ꢃꢀ:KHQꢀWKHꢀGHYLFHꢀH[LWVꢀWKHꢀ$XWRVHOHFWꢀPRGHꢄꢀWKHꢀGHYLFH
UHYHUWVꢀWRꢀ3URJUDPꢀ6XVSHQGꢀPRGHꢄꢀDQGꢀLVꢀUHDG\ꢀIRUꢀDQRWKHUꢀYDOLGꢀRSHUDWLRQꢃꢀ6HHꢀ³$XWRVHOHFW
&RPPDQGꢀ6HTXHQFH´ꢀIRUꢀPRUHꢀLQIRUPDWLRQꢃꢀ
$IWHUꢀWKHꢀ3URJUDPꢀ5HVXPHꢀFRPPDQGꢀLVꢀZULWWHQꢄꢀWKHꢀGHYLFHꢀUHYHUWVꢀWRꢀSURJUDPPLQJꢃꢀ7KHꢀV\VWHP
FDQꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀSURJUDPꢀRSHUDWLRQꢀXVLQJꢀWKHꢀ'4ꢈꢀRUꢀ'4ꢎꢀVWDWXVꢀELWVꢄꢀMXVWꢀDVꢀLQ
WKHꢀVWDQGDUGꢀSURJUDPꢀRSHUDWLRQꢃꢀ6HHꢀ³:ULWHꢀ2SHUDWLRQꢀ6WDWXV´ꢀIRUꢀPRUHꢀLQIRUPDWLRQꢃ
7KHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀ3URJUDPꢀ5HVXPHꢀFRPPDQGꢀꢁDGGUHVVꢀELWVꢀDUHꢀ³GRQꢗWꢀFDUH´ꢂꢀWRꢀH[LWꢀWKH
3URJUDPꢀ6XVSHQGꢀPRGHꢀDQGꢀFRQWLQXHꢀWKHꢀSURJUDPPLQJꢀRSHUDWLRQꢃꢀ)XUWKHUꢀZULWHVꢀRIꢀWKHꢀ3URJUDP
5HVXPHꢀFRPPDQGꢀDUHꢀLJQRUHGꢃꢀ$QRWKHUꢀ3URJUDPꢀ6XVSHQGꢀFRPPDQGꢀFDQꢀEHꢀZULWWHQꢀDIWHUꢀWKHꢀGHꢅ
YLFHꢀKDVꢀUHVXPHGꢀSURJUDPPLQJꢃ
Software Functions and Sample Code
Table 12.20. Program Suspend
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB3URJUDP6XVSHQG&PGꢂ
Cycle
Operation
Byte Address
Word Address
Data
ꢇ
:ULWH
%DQNꢀ$GGUHVV
%DQNꢀ$GGUHVV
ꢌꢌ%ꢌK
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀSURJUDPꢀVXVSHQGꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKH
6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRU
JHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Program suspend command */
*( (UINT16 *)base_addr + 0x000 ) = 0x00B0;
/* write suspend command
*/
Table 12.21. Program Resume
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB3URJUDP5HVXPH&PGꢂ
Cycle
Operation
Byte Address
Word Address
%DQNꢀ$GGUHVV
Data
ꢇ
:ULWH
%DQNꢀ$GGUHVV
ꢌꢌꢑꢌK
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀSURJUDPꢀUHVXPHꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKH
6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRU
JHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Program resume command */
*( (UINT16 *)base_addr + 0x000 ) = 0x0030;
/* write resume command
*/
December 3, 2005 S29WS-N_m0_I0
47
P r e l i m i n a r y
ꢄꢈꢎꢊꢎꢆ $FFHOHUDWHGꢀ3URJUDPꢌ&KLSꢀ(UDVHꢀ
$FFHOHUDWHGꢀVLQJOHꢀZRUGꢀSURJUDPPLQJꢄꢀZULWHꢀEXIIHUꢀSURJUDPPLQJꢄꢀVHFWRUꢀHUDVHꢄꢀDQGꢀFKLSꢀHUDVH
RSHUDWLRQVꢀDUHꢀHQDEOHGꢀWKURXJKꢀWKHꢀ$&&ꢀIXQFWLRQꢃꢀ7KLVꢀPHWKRGꢀLVꢀIDVWHUꢀWKDQꢀWKHꢀVWDQGDUGꢀFKLS
SURJUDPꢀDQGꢀHUDVHꢀFRPPDQGꢀVHTXHQFHVꢃꢀ
7KHꢀDFFHOHUDWHGꢀFKLSꢀSURJUDPꢀDQGꢀHUDVHꢀIXQFWLRQVꢀPXVWꢀQRWꢀEHꢀXVHGꢀPRUHꢀWKDQꢀꢄꢋ
WLPHVꢀSHUꢀVHFWRUꢎꢀ,QꢀDGGLWLRQꢄꢀDFFHOHUDWHGꢀFKLSꢀSURJUDPꢀDQGꢀHUDVHꢀVKRXOGꢀEHꢀSHUIRUPHGꢀDWꢀURRP
WHPSHUDWXUHꢀꢁꢏꢊ°&ꢀ ꢇꢌ°&ꢂꢃ
,IꢀWKHꢀV\VWHPꢀDVVHUWVꢀ9++ꢀRQꢀWKLVꢀLQSXWꢄꢀWKHꢀGHYLFHꢀDXWRPDWLFDOO\ꢀHQWHUVꢀWKHꢀDIRUHPHQWLRQHGꢀ8Qꢅ
ORFNꢀ%\SDVVꢀPRGHꢀDQGꢀXVHVꢀWKHꢀKLJKHUꢀYROWDJHꢀRQꢀWKHꢀLQSXWꢀWRꢀUHGXFHꢀWKHꢀWLPHꢀUHTXLUHGꢀIRU
SURJUDPꢀDQGꢀHUDVHꢀRSHUDWLRQVꢃꢀ7KHꢀV\VWHPꢀFDQꢀWKHQꢀXVHꢀWKHꢀ:ULWHꢀ%XIIHUꢀ/RDGꢀFRPPDQGꢀVHꢅ
TXHQFHꢀSURYLGHGꢀE\ꢀWKHꢀ8QORFNꢀ%\SDVVꢀPRGHꢃꢀ1RWHꢀWKDWꢀLIꢀDꢀ³:ULWHꢅWRꢅ%XIIHUꢅ$ERUWꢀ5HVHW´ꢀLV
UHTXLUHGꢀZKLOHꢀLQꢀ8QORFNꢀ%\SDVVꢀPRGHꢄꢀWKHꢀIXOOꢀꢑꢅF\FOHꢀ5(6(7ꢀFRPPDQGꢀVHTXHQFHꢀPXVWꢀEHꢀXVHG
WRꢀUHVHWꢀWKHꢀGHYLFHꢃꢀ5HPRYLQJꢀ9++ꢀIURPꢀWKHꢀ$&&ꢀLQSXWꢄꢀXSRQꢀFRPSOHWLRQꢀRIꢀWKHꢀHPEHGGHGꢀSURꢅ
JUDPꢀRUꢀHUDVHꢀRSHUDWLRQꢄꢀUHWXUQVꢀWKHꢀGHYLFHꢀWRꢀQRUPDOꢀRSHUDWLRQꢃꢀ
6HFWRUVꢀPXVWꢀEHꢀXQORFNHGꢀSULRUꢀWRꢀUDLVLQJꢀ$&&ꢀWRꢀ9++ꢃꢀ
7KHꢀ$&&ꢀSLQꢀPXVWꢀQRWꢀEHꢀDWꢀ9++ꢀIRUꢀRSHUDWLRQVꢀRWKHUꢀWKDQꢀDFFHOHUDWHGꢀSURJUDPPLQJꢀDQGꢀDFꢅ
FHOHUDWHGꢀFKLSꢀHUDVHꢄꢀRUꢀGHYLFHꢀGDPDJHꢀPD\ꢀUHVXOWꢃꢀ
7KHꢀ$&&ꢀSLQꢀPXVWꢀQRWꢀEHꢀOHIWꢀIORDWLQJꢀRUꢀXQFRQQHFWHGꢕꢀLQFRQVLVWHQWꢀEHKDYLRUꢀRIꢀWKHꢀGHYLFH
PD\ꢀUHVXOWꢃꢀ
$&&ꢀORFNVꢀDOOꢀVHFWRUꢀLIꢀVHWꢀWRꢀ9,/ꢕꢀ$&&ꢀVKRXOGꢀEHꢀVHWꢀWRꢀ9,+ꢀIRUꢀDOOꢀRWKHUꢀFRQGLWLRQVꢃ
ꢄꢈꢎꢊꢎꢏ 8QORFNꢀ%\SDVV
7KHꢀGHYLFHꢀIHDWXUHVꢀDQꢀ8QORFNꢀ%\SDVVꢀPRGHꢀWRꢀIDFLOLWDWHꢀIDVWHUꢀZRUGꢀSURJUDPPLQJꢃꢀ2QFHꢀWKHꢀGHꢅ
YLFHꢀHQWHUVꢀWKHꢀ8QORFNꢀ%\SDVVꢀPRGHꢄꢀRQO\ꢀWZRꢀZULWHꢀF\FOHVꢀDUHꢀUHTXLUHGꢀWRꢀSURJUDPꢀGDWDꢄꢀLQVWHDG
RIꢀWKHꢀQRUPDOꢀIRXUꢀF\FOHVꢃ
7KLVꢀPRGHꢀGLVSHQVHVꢀZLWKꢀWKHꢀLQLWLDOꢀWZRꢀXQORFNꢀF\FOHVꢀUHTXLUHGꢀLQꢀWKHꢀVWDQGDUGꢀSURJUDPꢀFRPꢅ
PDQGꢀVHTXHQFHꢄꢀUHVXOWLQJꢀLQꢀIDVWHUꢀWRWDOꢀSURJUDPPLQJꢀWLPHꢃꢀ7KHꢀ³&RPPDQGꢀ'HILQLWLRQ
6XPPDU\´ꢀVHFWLRQꢀVKRZVꢀWKHꢀUHTXLUHPHQWVꢀIRUꢀWKHꢀXQORFNꢀE\SDVVꢀFRPPDQGꢀVHTXHQFHVꢃꢀ
'XULQJꢀWKHꢀXQORFNꢀE\SDVVꢀPRGHꢄꢀRQO\ꢀWKHꢀ5HDGꢄꢀ8QORFNꢀ%\SDVVꢀ3URJUDPꢀDQGꢀ8QORFNꢀ%\SDVVꢀ5HVHW
FRPPDQGVꢀDUHꢀYDOLGꢃꢀ7RꢀH[LWꢀWKHꢀXQORFNꢀE\SDVVꢀPRGHꢄꢀWKHꢀV\VWHPꢀPXVWꢀLVVXHꢀWKHꢀWZRꢅF\FOHꢀXQꢅ
ORFNꢀE\SDVVꢀUHVHWꢀFRPPDQGꢀVHTXHQFHꢃꢀ7KHꢀILUVWꢀF\FOHꢀPXVWꢀFRQWDLQꢀWKHꢀEDQNꢀDGGUHVVꢀDQGꢀWKH
GDWDꢀꢉꢌKꢃꢀ7KHꢀVHFRQGꢀF\FOHꢀQHHGꢀRQO\ꢀFRQWDLQꢀWKHꢀGDWDꢀꢌꢌKꢃꢀ7KHꢀEDQNꢀWKHQꢀUHWXUQVꢀWRꢀWKHꢀUHDG
PRGHꢃꢀ
Software Functions and Sample Code
7KHꢀIROORZLQJꢀDUHꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHVꢀRIꢀXVLQJꢀWKHꢀXQORFNꢀE\SDVVꢀHQWU\ꢄꢀSURJUDPꢄꢀDQGꢀH[LW
IXQFWLRQVꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀVRRQꢀRQꢀZZZꢃDPGꢃFRP
DQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQW
JXLGHOLQHVꢃ
Table 12.22. Unlock Bypass Entry
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB8QORFN%\SDVV(QWU\&PGꢂ
Cycle
Description
8QORFN
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
Data
ꢇ
ꢏ
ꢑ
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢏꢌK
8QORFN
:ULWH
(QWU\ꢀ&RPPDQG
:ULWH
48
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
/* Example: Unlock Bypass Entry Command
*( (UINT16 *)bank_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)bank_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)bank_addr + 0x555 ) = 0x0020;
*/
/* write unlock cycle 1
/* write unlock cycle 2
/* write unlock bypass command
*/
*/
*/
/* At this point, programming only takes two write cycles.
/* Once you enter Unlock Bypass Mode, do a series of like
/* operations (programming or sector erase) and then exit
/* Unlock Bypass Mode before beginning a different type of
/* operations.
*/
*/
*/
*/
*/
Table 12.23. Unlock Bypass Program
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB8QORFN%\SDVV3URJUDP&PGꢂ
Cycle
Description
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ[[[K
Word Address
%DVHꢀꢐ[[[K
Data
ꢇ
ꢏ
3URJUDPꢀ6HWXSꢀ&RPPDQG
3URJUDPꢀ&RPPDQG
ꢌꢌ$ꢌK
:ULWH
3URJUDPꢀ$GGUHVV
3URJUDPꢀ$GGUHVV
3URJUDPꢀ'DWD
/* Example: Unlock Bypass Program Command */
/* Do while in Unlock Bypass Entry Mode! */
*( (UINT16 *)bank_addr + 0x555 ) = 0x00A0;
/* write program setup command
/* write data to be programmed
*/
*/
*( (UINT16 *)pa )
= data;
*/
/* Poll until done or error.
/* If done and more to program, */
/* do above two cycles again. */
Table 12.24. Unlock Bypass Reset
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB8QORFN%\SDVV5HVHW&PGꢂ
Cycle
Description
5HVHWꢀ&\FOHꢀꢇ
5HVHWꢀ&\FOHꢀꢏ
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ[[[K
%DVHꢀꢐꢀ[[[K
Word Address
%DVHꢀꢐ[[[K
%DVHꢀꢐ[[[K
Data
ꢇ
ꢏ
ꢌꢌꢉꢌK
ꢌꢌꢌꢌK
:ULWH
/* Example: Unlock Bypass Exit Command */
*( (UINT16 *)base_addr + 0x000 ) = 0x0090;
*( (UINT16 *)base_addr + 0x000 ) = 0x0000;
ꢄꢈꢎꢊꢎꢐ :ULWHꢀ2SHUDWLRQꢀ6WDWXVꢀ
7KHꢀGHYLFHꢀSURYLGHVꢀVHYHUDOꢀELWVꢀWRꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀDꢀSURJUDPꢀRUꢀHUDVHꢀRSHUDWLRQꢃꢀ7KH
IROORZLQJꢀVXEVHFWLRQVꢀGHVFULEHꢀWKHꢀIXQFWLRQꢀRIꢀ'4ꢇꢄꢀ'4ꢏꢄꢀ'4ꢑꢄꢀ'4ꢊꢄꢀ'4ꢎꢄꢀDQGꢀ'4ꢈꢃ
9R&)ꢀ9hhꢁꢀQyyvtꢂꢀ7KHꢀ'DWDꢔꢀ3ROOLQJꢀELWꢄꢀ'4ꢈꢄꢀLQGLFDWHVꢀWRꢀWKHꢀKRVWꢀV\VWHPꢀZKHWKHUꢀDQꢀ(Pꢅ
EHGGHGꢀ3URJUDPꢀRUꢀ(UDVHꢀDOJRULWKPꢀLVꢀLQꢀSURJUHVVꢀRUꢀFRPSOHWHGꢄꢀRUꢀZKHWKHUꢀDꢀEDQNꢀLVꢀLQꢀ(UDVH
6XVSHQGꢃꢀ'DWDꢔꢀ3ROOLQJꢀLVꢀYDOLGꢀDIWHUꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀILQDOꢀ:(ꢔꢀSXOVHꢀLQꢀWKHꢀFRPPDQGꢀVHꢅ
TXHQFHꢃꢀ1RWHꢀWKDWꢀWKHꢀ'DWDꢔꢀ3ROOLQJꢀLVꢀYDOLGꢀRQO\ꢀIRUꢀWKHꢀODVWꢀZRUGꢀEHLQJꢀSURJUDPPHGꢀLQꢀWKH
ZULWHꢅEXIIHUꢅSDJHꢀGXULQJꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢃꢀ5HDGLQJꢀ'DWDꢔꢀ3ROOLQJꢀVWDWXVꢀRQꢀDQ\ꢀZRUG
RWKHUꢀWKDQꢀWKHꢀODVWꢀZRUGꢀWRꢀEHꢀSURJUDPPHGꢀLQꢀWKHꢀZULWHꢅEXIIHUꢅSDJHꢀUHWXUQVꢀIDOVHꢀVWDWXV
LQIRUPDWLRQꢃꢀ
'XULQJꢀWKHꢀ(PEHGGHGꢀ3URJUDPꢀDOJRULWKPꢄꢀWKHꢀGHYLFHꢀRXWSXWVꢀRQꢀ'4ꢈꢀWKHꢀFRPSOHPHQWꢀRIꢀWKH
GDWXPꢀSURJUDPPHGꢀWRꢀ'4ꢈꢃꢀ7KLVꢀ'4ꢈꢀVWDWXVꢀDOVRꢀDSSOLHVꢀWRꢀSURJUDPPLQJꢀGXULQJꢀ(UDVHꢀ6XVSHQGꢃ
:KHQꢀWKHꢀ(PEHGGHGꢀ3URJUDPꢀDOJRULWKPꢀLVꢀFRPSOHWHꢄꢀWKHꢀGHYLFHꢀRXWSXWVꢀWKHꢀGDWXPꢀSURJUDPPHG
WRꢀ'4ꢈꢃꢀ7KHꢀV\VWHPꢀPXVWꢀSURYLGHꢀWKHꢀSURJUDPꢀDGGUHVVꢀWRꢀUHDGꢀYDOLGꢀVWDWXVꢀLQIRUPDWLRQꢀRQꢀ'4ꢈꢃ
,IꢀDꢀSURJUDPꢀDGGUHVVꢀIDOOVꢀZLWKLQꢀDꢀSURWHFWHGꢀVHFWRUꢄꢀ'DWDꢔꢀSROOLQJꢀRQꢀ'4ꢈꢀLVꢀDFWLYHꢀIRUꢀDSSUR[Lꢅ
PDWHO\ꢀW363ꢄꢀWKHQꢀWKDWꢀEDQNꢀUHWXUQVꢀWRꢀWKHꢀUHDGꢀPRGHꢃꢀ
'XULQJꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀ$OJRULWKPꢄꢀ'DWDꢔꢀSROOLQJꢀSURGXFHVꢀDꢀ³ꢌ´ꢀRQꢀ'4ꢈꢃꢀ:KHQꢀWKHꢀ(PEHGꢅ
GHGꢀ(UDVHꢀDOJRULWKPꢀLVꢀFRPSOHWHꢄꢀRUꢀLIꢀWKHꢀEDQNꢀHQWHUVꢀWKHꢀ(UDVHꢀ6XVSHQGꢀPRGHꢄꢀ'DWDꢔꢀ3ROOLQJ
SURGXFHVꢀDꢀ³ꢇ´ꢀRQꢀ'4ꢈꢃꢀ7KHꢀV\VWHPꢀPXVWꢀSURYLGHꢀDQꢀDGGUHVVꢀZLWKLQꢀDQ\ꢀRIꢀWKHꢀVHFWRUVꢀVHOHFWHG
IRUꢀHUDVXUHꢀWRꢀUHDGꢀYDOLGꢀVWDWXVꢀLQIRUPDWLRQꢀRQꢀ'4ꢈꢃꢀ
December 3, 2005 S29WS-N_m0_I0
49
P r e l i m i n a r y
$IWHUꢀDQꢀHUDVHꢀFRPPDQGꢀVHTXHQFHꢀLVꢀZULWWHQꢄꢀLIꢀDOOꢀVHFWRUVꢀVHOHFWHGꢀIRUꢀHUDVLQJꢀDUHꢀSURWHFWHGꢄ
'DWDꢔꢀ3ROOLQJꢀRQꢀ'4ꢈꢀLVꢀDFWLYHꢀIRUꢀDSSUR[LPDWHO\ꢀW$63ꢄꢀWKHQꢀWKHꢀEDQNꢀUHWXUQVꢀWRꢀWKHꢀUHDGꢀPRGHꢃ
,IꢀQRWꢀDOOꢀVHOHFWHGꢀVHFWRUVꢀDUHꢀSURWHFWHGꢄꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀHUDVHVꢀWKHꢀXQSURWHFWHG
VHFWRUVꢄꢀDQGꢀLJQRUHVꢀWKHꢀVHOHFWHGꢀVHFWRUVꢀWKDWꢀDUHꢀSURWHFWHGꢃꢀ+RZHYHUꢄꢀLIꢀWKHꢀV\VWHPꢀUHDGVꢀ'4ꢈ
DWꢀDQꢀDGGUHVVꢀZLWKLQꢀDꢀSURWHFWHGꢀVHFWRUꢄꢀWKHꢀVWDWXVꢀPD\ꢀQRWꢀEHꢀYDOLGꢃꢀ
-XVWꢀSULRUꢀWRꢀWKHꢀFRPSOHWLRQꢀRIꢀDQꢀ(PEHGGHGꢀ3URJUDPꢀRUꢀ(UDVHꢀRSHUDWLRQꢄꢀ'4ꢈꢀPD\ꢀFKDQJHꢀDV\Qꢅ
FKURQRXVO\ꢀZLWKꢀ'4ꢎꢅ'4ꢌꢀZKLOHꢀ2XWSXWꢀ(QDEOHꢀꢁ2(ꢔꢂꢀLVꢀDVVHUWHGꢀORZꢃꢀ7KDWꢀLVꢄꢀWKHꢀGHYLFHꢀPD\
FKDQJHꢀIURPꢀSURYLGLQJꢀVWDWXVꢀLQIRUPDWLRQꢀWRꢀYDOLGꢀGDWDꢀRQꢀ'4ꢈꢃꢀ'HSHQGLQJꢀRQꢀZKHQꢀWKHꢀV\VWHP
VDPSOHVꢀWKHꢀ'4ꢈꢀRXWSXWꢄꢀLWꢀPD\ꢀUHDGꢀWKHꢀVWDWXVꢀRUꢀYDOLGꢀGDWDꢃꢀ(YHQꢀLIꢀWKHꢀGHYLFHꢀKDVꢀFRPSOHWHG
WKHꢀSURJUDPꢀRUꢀHUDVHꢀRSHUDWLRQꢀDQGꢀ'4ꢈꢀKDVꢀYDOLGꢀGDWDꢄꢀWKHꢀGDWDꢀRXWSXWVꢀRQꢀ'4ꢎꢅ'4ꢌꢀPD\ꢀEH
VWLOOꢀLQYDOLGꢃꢀ9DOLGꢀGDWDꢀRQꢀ'4ꢈꢅ'ꢌꢌꢀDSSHDUVꢀRQꢀVXFFHVVLYHꢀUHDGꢀF\FOHVꢃꢀ
6HHꢀWKHꢀIROORZLQJꢀIRUꢀPRUHꢀLQIRUPDWLRQꢆꢀ7DEOHꢀꢇꢏꢃꢏꢎꢄꢀ:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢄꢀVKRZVꢀWKHꢀRXWSXWV
IRUꢀ'DWDꢔꢀ3ROOLQJꢀRQꢀ'4ꢈꢃꢀ)LJXUHꢀꢇꢏꢃꢎꢄꢀ:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢀ)ORZFKDUWꢄꢀVKRZVꢀWKHꢀ'DWDꢔꢀ3ROOꢅ
LQJꢀDOJRULWKPꢕꢀDQGꢀ)LJXUHꢀꢇꢎꢃꢇꢋꢄꢀ'DWDꢔꢀ3ROOLQJꢀ7LPLQJVꢀꢁ'XULQJ (PEHGGHG $OJRULWKPꢂꢄꢀVKRZV
WKHꢀ'DWDꢔꢀ3ROOLQJꢀWLPLQJꢀGLDJUDPꢃꢀ
50
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
START
Read 1
(Note 6)
YES
Erase
Operation
Complete
DQ7=valid
data?
NO
YES
YES
Read 2
Read 3
Read 1
DQ5=1?
Read3=
valid data?
NO
NO
Read 2
Read 3
Program
Operation
Failed
YES
Write Buffer
Programming?
YES
NO
Programming
Operation?
NO
Device BUSY,
Re-Poll
(Note 3)
(Note 5)
(Note 1)
YES
(Note 1)
YES
DQ6
toggling?
DQ6
toggling?
DEVICE
ERROR
TIMEOUT
NO
(Note 4)
NO
YES
Read3
DQ1=1?
(Note 2)
YES
NO
Device BUSY,
Re-Poll
DQ2
toggling?
NO
Read 2
Read 3
Device BUSY,
Re-Poll
Erase
Device in
Erase/Suspend
Mode
Operation
Complete
Read3
DQ1=1
YES
Write Buffer
AND DQ7 ≠
Valid Data?
Operation
Failed
NO
Notes:
1) DQ6 is toggling if Read2 DQ6 does not equal Read3 DQ6.
2) DQ2 is toggling if Read2 DQ2 does not equal Read3 DQ2.
3) May be due to an attempt to program a 0 to 1. Use the RESET
command to exit operation.
Device BUSY,
Re-Poll
4) Write buffer error if DQ1 of last read =1.
5) Invalid state, use RESET command to exit operation.
6) Valid data is the data that is intended to be programmed or all 1's for
an erase operation.
7) Data polling algorithm valid for all operations except advanced sector
protection.
Figure 12.6. Write Operation Status Flowchart
December 3, 2005 S29WS-N_m0_I0
51
P r e l i m i n a r y
9R%)ꢀUttyrꢀ7vꢀDꢀꢂꢀ7RJJOHꢀ%LWꢀ,ꢀRQꢀ'4ꢎꢀLQGLFDWHVꢀZKHWKHUꢀDQꢀ(PEHGGHGꢀ3URJUDPꢀRUꢀ(UDVHꢀDOJRꢅ
ULWKPꢀLVꢀLQꢀSURJUHVVꢀRUꢀFRPSOHWHꢄꢀRUꢀZKHWKHUꢀWKHꢀGHYLFHꢀKDVꢀHQWHUHGꢀWKHꢀ(UDVHꢀ6XVSHQGꢀPRGHꢃ
7RJJOHꢀ%LWꢀ,ꢀPD\ꢀEHꢀUHDGꢀDWꢀDQ\ꢀDGGUHVVꢀLQꢀWKHꢀVDPHꢀEDQNꢄꢀDQGꢀLVꢀYDOLGꢀDIWHUꢀWKHꢀULVLQJꢀHGJHꢀRI
WKHꢀILQDOꢀ:(ꢔꢀSXOVHꢀLQꢀWKHꢀFRPPDQGꢀVHTXHQFHꢀꢁSULRUꢀWRꢀWKHꢀSURJUDPꢀRUꢀHUDVHꢀRSHUDWLRQꢂꢄꢀDQG
GXULQJꢀWKHꢀVHFWRUꢀHUDVHꢀWLPHꢅRXWꢃꢀ
'XULQJꢀDQꢀ(PEHGGHGꢀ3URJUDPꢀRUꢀ(UDVHꢀDOJRULWKPꢀRSHUDWLRQꢄꢀVXFFHVVLYHꢀUHDGꢀF\FOHVꢀWRꢀDQ\ꢀDGꢅ
GUHVVꢀFDXVHꢀ'4ꢎꢀWRꢀWRJJOHꢃꢀ:KHQꢀWKHꢀRSHUDWLRQꢀLVꢀFRPSOHWHꢄꢀ'4ꢎꢀVWRSVꢀWRJJOLQJꢃꢀ
$IWHUꢀDQꢀHUDVHꢀFRPPDQGꢀVHTXHQFHꢀLVꢀZULWWHQꢄꢀLIꢀDOOꢀVHFWRUVꢀVHOHFWHGꢀIRUꢀHUDVLQJꢀDUHꢀSURWHFWHGꢄ
'4ꢎꢀWRJJOHVꢀIRUꢀDSSUR[LPDWHO\ꢀW$63ꢀ>DOOꢀVHFWRUVꢀSURWHFWHGꢀWRJJOHꢀWLPH@ꢄꢀWKHQꢀUHWXUQVꢀWRꢀUHDGLQJ
DUUD\ꢀGDWDꢃꢀ,IꢀQRWꢀDOOꢀVHOHFWHGꢀVHFWRUVꢀDUHꢀSURWHFWHGꢄꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀHUDVHVꢀWKH
XQSURWHFWHGꢀVHFWRUVꢄꢀDQGꢀLJQRUHVꢀWKHꢀVHOHFWHGꢀVHFWRUVꢀWKDWꢀDUHꢀSURWHFWHGꢃꢀ
7KHꢀV\VWHPꢀFDQꢀXVHꢀ'4ꢎꢀDQGꢀ'4ꢏꢀWRJHWKHUꢀWRꢀGHWHUPLQHꢀZKHWKHUꢀDꢀVHFWRUꢀLVꢀDFWLYHO\ꢀHUDVLQJꢀRU
LVꢀHUDVHꢅVXVSHQGHGꢃꢀ:KHQꢀWKHꢀGHYLFHꢀLVꢀDFWLYHO\ꢀHUDVLQJꢀꢁWKDWꢀLVꢄꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKP
LVꢀLQꢀSURJUHVVꢂꢄꢀ'4ꢎꢀWRJJOHVꢃꢀ:KHQꢀWKHꢀGHYLFHꢀHQWHUVꢀWKHꢀ(UDVHꢀ6XVSHQGꢀPRGHꢄꢀ'4ꢎꢀVWRSVꢀWRJꢅ
JOLQJꢃꢀ+RZHYHUꢄꢀWKHꢀV\VWHPꢀPXVWꢀDOVRꢀXVHꢀ'4ꢏꢀWRꢀGHWHUPLQHꢀZKLFKꢀVHFWRUVꢀDUHꢀHUDVLQJꢀRUꢀHUDVHꢅ
VXVSHQGHGꢃꢀ$OWHUQDWLYHO\ꢄꢀWKHꢀV\VWHPꢀFDQꢀXVHꢀ'4ꢈꢀꢁVHHꢀWKHꢀVXEVHFWLRQꢀRQꢀ'4ꢈꢆꢀ'DWDꢔꢀ3ROOLQJꢂꢃꢀ
,IꢀDꢀSURJUDPꢀDGGUHVVꢀIDOOVꢀZLWKLQꢀDꢀSURWHFWHGꢀVHFWRUꢄꢀ'4ꢎꢀWRJJOHVꢀIRUꢀDSSUR[LPDWHO\ꢀW3$3ꢀDIWHUꢀWKH
SURJUDPꢀFRPPDQGꢀVHTXHQFHꢀLVꢀZULWWHQꢄꢀWKHQꢀUHWXUQVꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃꢀ
'4ꢎꢀDOVRꢀWRJJOHVꢀGXULQJꢀWKHꢀHUDVHꢅVXVSHQGꢅSURJUDPꢀPRGHꢄꢀDQGꢀVWRSVꢀWRJJOLQJꢀRQFHꢀWKHꢀ(PEHGꢅ
GHGꢀ3URJUDPꢀ$OJRULWKPꢀLVꢀFRPSOHWHꢃꢀ
6HHꢀWKHꢀIROORZLQJꢀIRUꢀDGGLWLRQDOꢀLQIRUPDWLRQꢆꢀ)LJXUHꢀꢇꢏꢃꢎꢄꢀ:ULWHꢀ2SHUDWLRQꢀ6WDWXVꢀ)ORZFKDUWꢕꢀ)LJꢅ
XUHꢀꢇꢎꢃꢇꢉꢄꢀ7RJJOHꢀ%LWꢀ7LPLQJVꢀꢁ'XULQJ (PEHGGHG $OJRULWKPꢂꢄꢀDQGꢀ7DEOHVꢀꢇꢏꢃꢏꢊꢀDQGꢀꢇꢏꢃꢏꢎꢃꢀ
7RJJOHꢀ%LWꢀ,ꢀRQꢀ'4ꢎꢀUHTXLUHVꢀHLWKHUꢀ2(ꢔꢀRUꢀ&(ꢔꢀWRꢀEHꢀGHꢅDVVHUWHGꢀDQGꢀUHDVVHUWHGꢀWRꢀVKRZꢀWKH
FKDQJHꢀLQꢀVWDWHꢃꢀ
9R!)ꢀUttyrꢀ7vꢀDDꢀꢂꢀ7KHꢀ³7RJJOHꢀ%LWꢀ,,´ꢀRQꢀ'4ꢏꢄꢀZKHQꢀXVHGꢀZLWKꢀ'4ꢎꢄꢀLQGLFDWHVꢀZKHWKHUꢀDꢀSDUꢅ
WLFXODUꢀVHFWRUꢀLVꢀDFWLYHO\ꢀHUDVLQJꢀꢁWKDWꢀLVꢄꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀLVꢀLQꢀSURJUHVVꢂꢄꢀRU
ZKHWKHUꢀWKDWꢀVHFWRUꢀLVꢀHUDVHꢅVXVSHQGHGꢃꢀ7RJJOHꢀ%LWꢀ,,ꢀLVꢀYDOLGꢀDIWHUꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀILQDO
:(ꢔꢀSXOVHꢀLQꢀWKHꢀFRPPDQGꢀVHTXHQFHꢃꢀ'4ꢏꢀWRJJOHVꢀZKHQꢀWKHꢀV\VWHPꢀUHDGVꢀDWꢀDGGUHVVHVꢀZLWKLQ
WKRVHꢀVHFWRUVꢀWKDWꢀKDYHꢀEHHQꢀVHOHFWHGꢀIRUꢀHUDVXUHꢃꢀ%XWꢀ'4ꢏꢀFDQQRWꢀGLVWLQJXLVKꢀZKHWKHUꢀWKHꢀVHFWRU
LVꢀDFWLYHO\ꢀHUDVLQJꢀRUꢀLVꢀHUDVHꢅVXVSHQGHGꢃꢀ'4ꢎꢄꢀE\ꢀFRPSDULVRQꢄꢀLQGLFDWHVꢀZKHWKHUꢀWKHꢀGHYLFHꢀLV
DFWLYHO\ꢀHUDVLQJꢄꢀRUꢀLVꢀLQꢀ(UDVHꢀ6XVSHQGꢄꢀEXWꢀFDQQRWꢀGLVWLQJXLVKꢀZKLFKꢀVHFWRUVꢀDUHꢀVHOHFWHGꢀIRU
HUDVXUHꢃꢀ7KXVꢄꢀERWKꢀVWDWXVꢀELWVꢀDUHꢀUHTXLUHGꢀIRUꢀVHFWRUꢀDQGꢀPRGHꢀLQIRUPDWLRQꢃꢀ5HIHUꢀWRꢀ7DEOH
ꢇꢏꢃꢏꢊꢀWRꢀFRPSDUHꢀRXWSXWVꢀIRUꢀ'4ꢏꢀDQGꢀ'4ꢎꢃꢀ6HHꢀWKHꢀIROORZLQJꢀIRUꢀDGGLWLRQDOꢀLQIRUPDWLRQꢆꢀ)LJXUH
ꢇꢏꢃꢎꢄꢀWKHꢀ³'4ꢎꢆꢀ7RJJOHꢀ%LWꢀ,´ꢀVHFWLRQꢄꢀDQGꢀ)LJXUHVꢀꢇꢎꢃꢇꢋ±ꢇꢎꢃꢏꢊꢃ
52
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 12.25. DQ6 and DQ2 Indications
If device is
and the system reads
then DQ6
and DQ2
SURJUDPPLQJꢄ
DWꢀDQ\ꢀDGGUHVVꢄ
WRJJOHVꢄ
GRHVꢀQRWꢀWRJJOHꢃ
DWꢀDQꢀDGGUHVVꢀZLWKLQꢀDꢀVHFWRUꢀ
VHOHFWHGꢀIRUꢀHUDVXUHꢄ
WRJJOHVꢄ
WRJJOHVꢄ
DOVRꢀWRJJOHVꢃ
GRHVꢀQRWꢀWRJJOHꢃ
WRJJOHVꢃ
DFWLYHO\ꢀHUDVLQJꢄ
HUDVHꢀVXVSHQGHGꢄ
DWꢀDQꢀDGGUHVVꢀZLWKLQꢀVHFWRUVꢀQRWꢀ
VHOHFWHGꢀIRUꢀHUDVXUHꢄ
DWꢀDQꢀDGGUHVVꢀZLWKLQꢀDꢀVHFWRUꢀ
VHOHFWHGꢀIRUꢀHUDVXUHꢄ
GRHVꢀQRWꢀWRJJOHꢄ
UHWXUQVꢀDUUD\ꢀGDWDꢃꢀ7KHꢀV\VWHPꢀFDQꢀ
UHDGꢀIURPꢀDQ\ꢀVHFWRUꢀQRWꢀVHOHFWHGꢀIRUꢀ
HUDVXUHꢃ
DWꢀDQꢀDGGUHVVꢀZLWKLQꢀVHFWRUVꢀQRWꢀ
UHWXUQVꢀDUUD\ꢀGDWDꢄ
WRJJOHVꢄ
VHOHFWHGꢀIRUꢀHUDVXUHꢄ
SURJUDPPLQJꢀLQꢀ
HUDVHꢀVXVSHQG
DWꢀDQ\ꢀDGGUHVVꢄ
LVꢀQRWꢀDSSOLFDEOHꢃ
SrhqvtꢀUttyrꢀ7vꢀ9R%ꢃ9R!ꢂꢀ:KHQHYHUꢀWKHꢀV\VWHPꢀLQLWLDOO\ꢀEHJLQVꢀUHDGLQJꢀWRJJOHꢀELWꢀVWDWXVꢄ
LWꢀPXVWꢀUHDGꢀ'4ꢈ±'4ꢌꢀDWꢀOHDVWꢀWZLFHꢀLQꢀDꢀURZꢀWRꢀGHWHUPLQHꢀZKHWKHUꢀDꢀWRJJOHꢀELWꢀLVꢀWRJJOLQJꢃꢀ7\Sꢅ
LFDOO\ꢄꢀWKHꢀV\VWHPꢀZRXOGꢀQRWHꢀDQGꢀVWRUHꢀWKHꢀYDOXHꢀRIꢀWKHꢀWRJJOHꢀELWꢀDIWHUꢀWKHꢀILUVWꢀUHDGꢃꢀ$IWHUꢀWKH
VHFRQGꢀUHDGꢄꢀWKHꢀV\VWHPꢀZRXOGꢀFRPSDUHꢀWKHꢀQHZꢀYDOXHꢀRIꢀWKHꢀWRJJOHꢀELWꢀZLWKꢀWKHꢀILUVWꢃꢀ,IꢀWKHꢀWRJꢅ
JOHꢀELWꢀLVꢀQRWꢀWRJJOLQJꢄꢀWKHꢀGHYLFHꢀKDVꢀFRPSOHWHGꢀWKHꢀSURJUDPꢀRUꢀHUDVHVꢀRSHUDWLRQꢃꢀ7KHꢀV\VWHP
FDQꢀUHDGꢀDUUD\ꢀGDWDꢀRQꢀ'4ꢈ±'4ꢌꢀRQꢀWKHꢀIROORZLQJꢀUHDGꢀF\FOHꢃꢀ+RZHYHUꢄꢀLIꢀDIWHUꢀWKHꢀLQLWLDOꢀWZR
UHDGꢀF\FOHVꢄꢀWKHꢀV\VWHPꢀGHWHUPLQHVꢀWKDWꢀWKHꢀWRJJOHꢀELWꢀLVꢀVWLOOꢀWRJJOLQJꢄꢀWKHꢀV\VWHPꢀDOVRꢀVKRXOG
QRWHꢀZKHWKHUꢀWKHꢀYDOXHꢀRIꢀ'4ꢊꢀLVꢀKLJKꢀꢁVHHꢀWKHꢀVHFWLRQꢀRQꢀ'4ꢊꢂꢃꢀ,IꢀLWꢀLVꢄꢀWKHꢀV\VWHPꢀVKRXOGꢀWKHQ
GHWHUPLQHꢀDJDLQꢀZKHWKHUꢀWKHꢀWRJJOHꢀELWꢀLVꢀWRJJOLQJꢄꢀVLQFHꢀWKHꢀWRJJOHꢀELWꢀPD\ꢀKDYHꢀVWRSSHGꢀWRJꢅ
JOLQJꢀMXVWꢀDVꢀ'4ꢊꢀZHQWꢀKLJKꢃꢀ,IꢀWKHꢀWRJJOHꢀELWꢀLVꢀQRꢀORQJHUꢀWRJJOLQJꢄꢀWKHꢀGHYLFHꢀKDVꢀVXFFHVVIXOO\
FRPSOHWHGꢀWKHꢀSURJUDPꢀRUꢀHUDVHVꢀRSHUDWLRQꢃꢀ,IꢀLWꢀLVꢀVWLOOꢀWRJJOLQJꢄꢀWKHꢀGHYLFHꢀGLGꢀQRWꢀFRPSOHWHꢀWKH
RSHUDWLRQꢀVXFFHVVIXOO\ꢄꢀDQGꢀWKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀUHVHWꢀFRPPDQGꢀWRꢀUHWXUQꢀWRꢀUHDGLQJꢀDUUD\
GDWDꢃꢀ7KHꢀUHPDLQLQJꢀVFHQDULRꢀLVꢀWKDWꢀWKHꢀV\VWHPꢀLQLWLDOO\ꢀGHWHUPLQHVꢀWKDWꢀWKHꢀWRJJOHꢀELWꢀLVꢀWRJJOLQJ
DQGꢀ'4ꢊꢀKDVꢀQRWꢀJRQHꢀKLJKꢃꢀ7KHꢀV\VWHPꢀPD\ꢀFRQWLQXHꢀWRꢀPRQLWRUꢀWKHꢀWRJJOHꢀELWꢀDQGꢀ'4ꢊꢀWKURXJK
VXFFHVVLYHꢀUHDGꢀF\FOHVꢄꢀGHWHUPLQLQJꢀWKHꢀVWDWXVꢀDVꢀGHVFULEHGꢀLQꢀWKHꢀSUHYLRXVꢀSDUDJUDSKꢃꢀ$OWHUQDꢅ
WLYHO\ꢄꢀLWꢀPD\ꢀFKRRVHꢀWRꢀSHUIRUPꢀRWKHUꢀV\VWHPꢀWDVNVꢃꢀ,QꢀWKLVꢀFDVHꢄꢀWKHꢀV\VWHPꢀPXVWꢀVWDUWꢀDWꢀWKH
EHJLQQLQJꢀRIꢀWKHꢀDOJRULWKPꢀZKHQꢀLWꢀUHWXUQVꢀWRꢀGHWHUPLQHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀRSHUDWLRQꢃꢀ5HIHUꢀWRꢀ)LJꢅ
XUHꢀꢇꢏꢃꢎꢀIRUꢀPRUHꢀGHWDLOVꢃ
1RWHꢁ
:KHQꢀYHULI\LQJꢀ WKHꢀ VWDWXVꢀRIꢀ Dꢀ ZULWHꢀRSHUDWLRQꢀ ꢁHPEHGGHGꢀ SURJUDPꢒHUDVHꢂꢀ RIꢀ Dꢀ PHPRU\
EDQNꢄꢀ'4ꢎꢀDQGꢀ'4ꢏꢀWRJJOHꢀEHWZHHQꢀKLJKꢀDQGꢀORZꢀVWDWHVꢀLQꢀDꢀVHULHVꢀRIꢀFRQVHFXWLYHꢀDQGꢀFRQꢅ
WLJXRXVꢀVWDWXVꢀUHDGꢀF\FOHVꢃꢀ,QꢀRUGHUꢀIRUꢀWKLVꢀWRJJOLQJꢀEHKDYLRUꢀWRꢀEHꢀSURSHUO\ꢀREVHUYHGꢄꢀWKH
FRQVHFXWLYHꢀVWDWXVꢀELWꢀUHDGVꢀPXVWꢀQRWꢀEHꢀLQWHUOHDYHGꢀZLWKꢀUHDGꢀDFFHVVHVꢀWRꢀRWKHUꢀPHPRU\
EDQNVꢃꢀ,IꢀLWꢀLVꢀQRWꢀSRVVLEOHꢀWRꢀWHPSRUDULO\ꢀSUHYHQWꢀUHDGVꢀWRꢀRWKHUꢀPHPRU\ꢀEDQNVꢄꢀWKHQꢀLWꢀLV
UHFRPPHQGHGꢀWRꢀXVHꢀWKHꢀ'4ꢈꢀVWDWXVꢀELWꢀDVꢀWKHꢀDOWHUQDWLYHꢀPHWKRGꢀRIꢀGHWHUPLQLQJꢀWKHꢀDFWLYH
RUꢀLQDFWLYHꢀVWDWXVꢀRIꢀWKHꢀZULWHꢀRSHUDWLRQꢃ
'DWDꢀSROOLQJꢀSURYLGHVꢀHUURQHRXVꢀUHVXOWVꢀGXULQJꢀHUDVHꢀVXVSHQGꢀRSHUDWLRQꢀXVLQJꢀ'4ꢏꢀRUꢀ'4ꢎ
IRUꢀDQ\ꢀDGGUHVVꢀFKDQJHVꢀDIWHUꢀ&(ꢔꢀDVVHUDWLRQꢀRUꢀZLWKRXWꢀ$9'ꢔꢀSXOVLQJꢀORZꢃꢀ7+HꢀXVHUꢀLVꢀUHꢅ
TXLUHGꢀꢀWRꢀSXOVHꢀ$9'ꢔꢀIROORZLQJꢀDQꢀDGGUHVVꢀFKDQJHꢀRUꢀDVVHUWꢀ&(ꢔꢀDIWHUꢀDGGUHVVꢀLVꢀVWDEOHꢀGXUꢅ
LQJꢀVWDWXVꢀSROOLQJꢃꢀ6HHꢀ)LJXUHꢀꢇꢎꢃꢏꢇꢀWKURXJKꢀꢇꢎꢃꢏꢍꢀꢃ
December 3, 2005 S29WS-N_m0_I0
53
P r e l i m i n a r y
9R$)ꢀ@prrqrqꢀUvvtꢀGvvꢂꢀ'4ꢊꢀLQGLFDWHVꢀZKHWKHUꢀWKHꢀSURJUDPꢀRUꢀHUDVHꢀWLPHꢀKDVꢀH[FHHGHG
DꢀVSHFLILHGꢀLQWHUQDOꢀSXOVHꢀFRXQWꢀOLPLWꢃꢀ8QGHUꢀWKHVHꢀFRQGLWLRQVꢀ'4ꢊꢀSURGXFHVꢀDꢀ³ꢇꢄ´ꢀLQGLFDWLQJꢀWKDW
WKHꢀSURJUDPꢀRUꢀHUDVHꢀF\FOHꢀZDVꢀQRWꢀVXFFHVVIXOO\ꢀFRPSOHWHGꢃꢀ7KHꢀGHYLFHꢀPD\ꢀRXWSXWꢀDꢀ³ꢇ´ꢀRQꢀ'4ꢊ
LIꢀWKHꢀV\VWHPꢀWULHVꢀWRꢀSURJUDPꢀDꢀ³ꢇ´ꢀWRꢀDꢀORFDWLRQꢀWKDWꢀZDVꢀSUHYLRXVO\ꢀSURJUDPPHGꢀWRꢀ³ꢌꢃ´ꢀ2QO\
DQꢀHUDVHꢀRSHUDWLRQꢀFDQꢀFKDQJHꢀDꢀ³ꢌ´ꢀEDFNꢀWRꢀDꢀ³ꢇꢃ´ꢀ8QGHUꢀWKLVꢀFRQGLWLRQꢄꢀWKHꢀGHYLFHꢀKDOWVꢀWKH
RSHUDWLRQꢄꢀDQGꢀZKHQꢀWKHꢀWLPLQJꢀOLPLWꢀKDVꢀEHHQꢀH[FHHGHGꢄꢀ'4ꢊꢀSURGXFHVꢀDꢀ³ꢇꢃ´8QGHUꢀERWKꢀWKHVH
FRQGLWLRQVꢄꢀWKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀUHVHWꢀFRPPDQGꢀWRꢀUHWXUQꢀWRꢀWKHꢀUHDGꢀPRGHꢀꢁRUꢀWRꢀWKH
HUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢀLIꢀDꢀEDQNꢀZDVꢀSUHYLRXVO\ꢀLQꢀWKHꢀHUDVHꢅVXVSHQGꢅSURJUDPꢀPRGHꢂꢃ
9R")ꢀTrpꢄꢀ@ꢄhrꢀUvrꢀThrꢀDqvphꢄꢂꢀ$IWHUꢀZULWLQJꢀDꢀVHFWRUꢀHUDVHꢀFRPPDQGꢀVHTXHQFHꢄ
WKHꢀV\VWHPꢀPD\ꢀUHDGꢀ'4ꢑꢀWRꢀGHWHUPLQHꢀZKHWKHUꢀRUꢀQRWꢀHUDVXUHꢀKDVꢀEHJXQꢃꢀꢁ7KHꢀVHFWRUꢀHUDVH
WLPHUꢀGRHVꢀQRWꢀDSSO\ꢀWRꢀWKHꢀFKLSꢀHUDVHꢀFRPPDQGꢃꢂꢀ,IꢀDGGLWLRQDOꢀVHFWRUVꢀDUHꢀVHOHFWHGꢀIRUꢀHUDVXUHꢄ
WKHꢀHQWLUHꢀWLPHꢅRXWꢀDOVRꢀDSSOLHVꢀDIWHUꢀHDFKꢀDGGLWLRQDOꢀVHFWRUꢀHUDVHꢀFRPPDQGꢃꢀ:KHQꢀWKHꢀWLPHꢅRXW
SHULRGꢀLVꢀFRPSOHWHꢄꢀ'4ꢑꢀVZLWFKHVꢀIURPꢀDꢀ³ꢌ´ꢀWRꢀDꢀ³ꢇꢃ´ꢀ,IꢀWKHꢀWLPHꢀEHWZHHQꢀDGGLWLRQDOꢀVHFWRUꢀHUDVH
FRPPDQGVꢀIURPꢀWKHꢀV\VWHPꢀFDQꢀEHꢀDVVXPHGꢀWRꢀEHꢀOHVVꢀWKDQꢀW6($ꢄꢀWKHꢀV\VWHPꢀQHHGꢀQRWꢀPRQLWRU
'4ꢑꢃꢀ6HHꢀ6HFWRUꢀ(UDVHꢀ&RPPDQGꢀ6HTXHQFHꢀIRUꢀPRUHꢀGHWDLOVꢃꢀ
$IWHUꢀWKHꢀVHFWRUꢀHUDVHꢀFRPPDQGꢀLVꢀZULWWHQꢄꢀWKHꢀV\VWHPꢀVKRXOGꢀUHDGꢀWKHꢀVWDWXVꢀRIꢀ'4ꢈꢀꢁ'DWDꢔ
3ROOLQJꢂꢀRUꢀ'4ꢎꢀꢁ7RJJOHꢀ%LWꢀ,ꢂꢀWRꢀHQVXUHꢀWKDWꢀWKHꢀGHYLFHꢀKDVꢀDFFHSWHGꢀWKHꢀFRPPDQGꢀVHTXHQFHꢄ
DQGꢀWKHQꢀUHDGꢀ'4ꢑꢃꢀ,Iꢀ'4ꢑꢀLVꢀ³ꢇꢄ´ꢀWKHꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢀKDVꢀEHJXQꢕꢀDOOꢀIXUWKHUꢀFRPꢅ
PDQGVꢀꢁH[FHSWꢀ(UDVHꢀ6XVSHQGꢂꢀDUHꢀLJQRUHGꢀXQWLOꢀWKHꢀHUDVHꢀRSHUDWLRQꢀLVꢀFRPSOHWHꢃꢀ,Iꢀ'4ꢑꢀLVꢀ³ꢌꢄ´
WKHꢀGHYLFHꢀDFFHSWVꢀDGGLWLRQDOꢀVHFWRUꢀHUDVHꢀFRPPDQGVꢃꢀ7RꢀHQVXUHꢀWKHꢀFRPPDQGꢀKDVꢀEHHQꢀDFꢅ
FHSWHGꢄꢀWKHꢀV\VWHPꢀVRIWZDUHꢀVKRXOGꢀFKHFNꢀWKHꢀVWDWXVꢀRIꢀ'4ꢑꢀSULRUꢀWRꢀDQGꢀIROORZLQJꢀHDFKꢀVXEꢅ
VHTXHQWꢀVHFWRUꢀHUDVHꢀFRPPDQGꢃꢀ,Iꢀ'4ꢑꢀLVꢀKLJKꢀRQꢀWKHꢀVHFRQGꢀVWDWXVꢀFKHFNꢄꢀWKHꢀODVWꢀFRPPDQG
PLJKWꢀQRWꢀKDYHꢀEHHQꢀDFFHSWHGꢃꢀ7DEOHꢀꢇꢏꢃꢏꢎꢀVKRZVꢀWKHꢀVWDWXVꢀRIꢀ'4ꢑꢀUHODWLYHꢀWRꢀWKHꢀRWKHUꢀVWDWXV
ELWVꢃ
9R )ꢀXꢄvrꢀꢀ7ssrꢄꢀ6iꢄꢂꢀ'4ꢇꢀLQGLFDWHVꢀZKHWKHUꢀDꢀ:ULWHꢀWRꢀ%XIIHUꢀRSHUDWLRQꢀZDVꢀDERUWHGꢃ
8QGHUꢀWKHVHꢀFRQGLWLRQVꢀ'4ꢇꢀSURGXFHVꢀDꢀ³ꢇ´ꢃꢀ7KHꢀV\VWHPꢀPXVWꢀLVVXHꢀWKHꢀ:ULWHꢀWRꢀ%XIIHUꢀ$ERUW
5HVHWꢀFRPPDQGꢀVHTXHQFHꢀWRꢀUHWXUQꢀWKHꢀGHYLFHꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃꢀ6HHꢀ:ULWHꢀ%XIIHUꢀ3URJUDPꢅ
PLQJꢀ2SHUDWLRQꢀIRUꢀPRUHꢀGHWDLOVꢃ
54
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 12.26. Write Operation Status
DQ7
DQ5
DQ2
DQ1
Status
(Note 2)
DQ6
7RJJOH
7RJJOH
,19$/,'
(Note 1)
DQ3
1ꢒ$
(Note 2)
(Note 4)
(PEHGGHGꢀ3URJUDPꢀ$OJRULWKP
(PEHGGHGꢀ(UDVHꢀ$OJRULWKP
'4ꢈꢔ
ꢌ
ꢌ
ꢌ
1RꢀWRJJOH
7RJJOH
ꢌ
6WDQGDUGꢀ
0RGH
ꢇ
1ꢒ$
,19$/,'
,19$/,'
,19$/,'
,19$/,'
,19$/,'
3URJUDPꢀ
6XVSHQGꢀ
0RGHꢀ
5HDGLQJꢀZLWKLQꢀ3URJUDPꢀ6XVSHQGHGꢀ6HFWRU
ꢏ1RWꢂ
$OORZHGꢐ
ꢏ1RWꢂ
$OORZHGꢐ
ꢏ1RWꢂ
$OORZHGꢐ
ꢏ1RWꢂ
$OORZHGꢐ
ꢏ1RWꢂ
$OORZHGꢐ
ꢏ1RWꢂ
$OORZHGꢐ
5HDGLQJꢀZLWKLQꢀ1RQꢅ3URJUDPꢀ6XVSHQGHGꢀ
6HFWRU
ꢁ1RWHꢀꢑꢂ
'DWD
ꢇ
'DWD
1RꢀWRJJOH
'DWD
'DWD
ꢌ
'DWD
1ꢒ$
'DWD
7RJJOH
'DWD
'DWD
1ꢒ$
(UDVHꢀ
6XVSHQGHGꢀ6HFWRU
(UDVHꢀ
6XVSHQGꢀ
0RGH
(UDVHꢅ6XVSHQGꢅ
5HDGꢀ
1RQꢅ(UDVHꢀ6XVSHQGHGꢀ
'DWD
'DWD
'DWD
'DWD
6HFWRU
(UDVHꢅ6XVSHQGꢅ3URJUDP
%86<ꢀ6WDWH
ꢁ1RWHꢀꢎꢂ
'4ꢈꢔ
'4ꢈꢔ
'4ꢈꢔ
'4ꢈꢔ
7RJJOH
7RJJOH
7RJJOH
7RJJOH
ꢌ
ꢌ
ꢇ
ꢌ
1ꢒ$
1ꢒ$
1ꢒ$
1ꢒ$
1ꢒ$
1ꢒ$
1ꢒ$
1ꢒ$
1ꢒ$
ꢌ
:ULWHꢀWRꢀ
%XIIHUꢀ
ꢁ1RWHꢀꢊꢂ
([FHHGHGꢀ7LPLQJꢀ/LPLWV
$%257ꢀ6WDWH
ꢌ
ꢇ
Ir)
ꢀꢁ '4ꢉꢂVZLWFKHVꢂWRꢂµꢀ¶ꢂZKHQꢂDQꢂ(PEHGGHGꢂ3URJUDPꢂRUꢂ(PEHGGHGꢂ(UDVHꢂRSHUDWLRQꢂKDVꢂH[FHHGHGꢂWKHꢂPD[LPXPꢂWLPLQJꢂOLPLWVꢁꢂ5HIHUꢂWRꢂWKHꢂ
VHFWLRQꢂRQꢂ'4ꢉꢂIRUꢂPRUHꢂLQIRUPDWLRQꢁ
ꢆꢁ '4ꢋꢂDQGꢂ'4ꢆꢂUHTXLUHꢂDꢂYDOLGꢂDGGUHVVꢂZKHQꢂUHDGLQJꢂVWDWXVꢂLQIRUPDWLRQꢁꢂ5HIHUꢂWRꢂWKHꢂDSSURSULDWHꢂVXEVHFWLRQꢂIRUꢂIXUWKHUꢂGHWDLOVꢁ
ꢊꢁ 'DWDꢂDUHꢂLQYDOLGꢂIRUꢂDGGUHVVHVꢂLQꢂDꢂ3URJUDPꢂ6XVSHQGHGꢂVHFWRUꢁ
ꢎꢁ '4ꢀꢂLQGLFDWHVꢂWKHꢂ:ULWHꢂWRꢂ%XIIHUꢂ$%257ꢂVWDWXVꢂGXULQJꢂ:ULWHꢂ%XIIHUꢂ3URJUDPPLQJꢂRSHUDWLRQVꢁ
ꢉꢁ 7KHꢂGDWDꢃEDUꢂSROOLQJꢂDOJRULWKPꢂVKRXOGꢂEHꢂXVHGꢂIRUꢂ:ULWHꢂ%XIIHUꢂ3URJUDPPLQJꢂRSHUDWLRQVꢁꢂ1RWHꢂWKDWꢂ'4ꢋꢅꢂGXULQJꢂ:ULWHꢂ%XIIHUꢂ3URJUDPPLQJꢂ
LQGLFDWHVꢂWKHꢂGDWDꢃEDUꢂIRUꢂ'4ꢋꢂGDWDꢂsꢄꢀurꢀG6TUꢀGP69@9ꢀXSDU@ꢅ7VAA@Sꢀ699S@TTꢀyphvꢁ
ꢌꢁ )RUꢂDQ\ꢂDGGUHVVꢂFKDQJHVꢂDIWHUꢂ&(ꢅꢂDVVHUWLRQꢄꢂUHꢃDVVHUWLRQꢂRIꢂ&(ꢅꢂPLJKWꢂEHꢂUHTXLUHGꢂDIWHUꢂWKHꢂDGGUHVVHVꢂEHFRPHꢂVWDEOHꢂIRUꢂGDWDꢂSROOLQJꢂ
GXULQJꢂWKHꢂHUDVHꢂVXVSHQGꢂRSHUDWLRQꢂXVLQJꢂ'4ꢆꢍ'4ꢌꢁ
December 3, 2005 S29WS-N_m0_I0
55
P r e l i m i n a r y
12.7 Simultaneous Read/Write
7KHꢀVLPXOWDQHRXVꢀUHDGꢒZULWHꢀIHDWXUHꢀDOORZVꢀWKHꢀKRVWꢀV\VWHPꢀWRꢀUHDGꢀGDWDꢀIURPꢀRQHꢀEDQNꢀRIꢀPHPꢅ
RU\ꢀZKLOHꢀSURJUDPPLQJꢀRUꢀHUDVLQJꢀDQRWKHUꢀEDQNꢀRIꢀPHPRU\ꢃꢀ$QꢀHUDVHꢀRSHUDWLRQꢀPD\ꢀDOVRꢀEH
VXVSHQGHGꢀWRꢀUHDGꢀIURPꢀRUꢀSURJUDPꢀDQRWKHUꢀORFDWLRQꢀZLWKLQꢀWKHꢀVDPHꢀEDQNꢀꢁH[FHSWꢀWKHꢀVHFWRU
EHLQJꢀHUDVHGꢂꢃꢀ)LJXUHꢀꢇꢎꢃꢏꢉꢄꢀ%DFNꢅWRꢅ%DFNꢀ5HDGꢒ:ULWHꢀ&\FOHꢀ7LPLQJVꢄꢀVKRZVꢀKRZꢀUHDGꢀDQGꢀZULWH
F\FOHVꢀPD\ꢀEHꢀLQLWLDWHGꢀIRUꢀVLPXOWDQHRXVꢀRSHUDWLRQꢀZLWKꢀ]HURꢀODWHQF\ꢃꢀ5HIHUꢀWRꢀWKHꢀ'&ꢀ&KDUDFWHUꢅ
LVWLFVꢀꢁ&026ꢀ&RPSDWLEOHꢂꢀWDEOHꢀIRUꢀUHDGꢅZKLOHꢅSURJUDPꢀDQGꢀUHDGꢅZKLOHꢅHUDVHꢀFXUUHQW
VSHFLILFDWLRQꢃ
12.8 Writing Commands/Command Sequences
:KHQꢀWKHꢀGHYLFHꢀLVꢀFRQILJXUHGꢀIRUꢀ$V\QFKURQRXVꢀUHDGꢄꢀRQO\ꢀ$V\QFKURQRXVꢀZULWHꢀRSHUDWLRQVꢀDUH
DOORZHGꢄꢀDQGꢀ&/.ꢀLVꢀLJQRUHGꢃꢀ:KHQꢀLQꢀWKHꢀ6\QFKURQRXVꢀUHDGꢀPRGHꢀFRQILJXUDWLRQꢄꢀWKHꢀGHYLFHꢀLV
DEOHꢀWRꢀSHUIRUPꢀERWKꢀ$V\QFKURQRXVꢀDQGꢀ6\QFKURQRXVꢀZULWHꢀRSHUDWLRQVꢃꢀ&/.ꢀDQGꢀ$9'ꢔꢀLQGXFHG
DGGUHVVꢀODWFKHVꢀDUHꢀVXSSRUWHGꢀLQꢀWKHꢀ6\QFKURQRXVꢀSURJUDPPLQJꢀPRGHꢃꢀ'XULQJꢀDꢀV\QFKURQRXV
ZULWHꢀRSHUDWLRQꢄꢀWRꢀZULWHꢀDꢀFRPPDQGꢀRUꢀFRPPDQGꢀVHTXHQFHꢀꢁZKLFKꢀLQFOXGHVꢀSURJUDPPLQJꢀGDWD
WRꢀWKHꢀGHYLFHꢀDQGꢀHUDVLQJꢀVHFWRUVꢀRIꢀPHPRU\ꢂꢄꢀWKHꢀV\VWHPꢀPXVWꢀGULYHꢀ$9'ꢔꢀDQGꢀ&(ꢔꢀWRꢀ9,/ꢄꢀDQG
2(ꢔꢀWRꢀ9,+ꢀZKHQꢀSURYLGLQJꢀDQꢀDGGUHVVꢀWRꢀWKHꢀGHYLFHꢄꢀDQGꢀGULYHꢀ:(ꢔꢀDQGꢀ&(ꢔꢀWRꢀ9,/ꢄꢀDQGꢀ2(ꢔ
WRꢀ9,+ꢀZKHQꢀZULWLQJꢀFRPPDQGVꢀRUꢀGDWDꢃꢀ'XULQJꢀDQꢀDV\QFKURQRXVꢀZULWHꢀRSHUDWLRQꢄꢀWKHꢀV\VWHP
PXVWꢀGULYHꢀ&(ꢔꢀDQGꢀ:(ꢔꢀWRꢀ9,/ꢀDQGꢀ2(ꢔꢀWRꢀ9,+ꢀZKHQꢀSURYLGLQJꢀDQꢀDGGUHVVꢄꢀFRPPDQGꢄꢀDQGꢀGDWDꢃ
$GGUHVVHVꢀDUHꢀODWFKHGꢀRQꢀWKHꢀODVWꢀIDOOLQJꢀHGJHꢀRIꢀ:(ꢔꢀRUꢀ&(ꢔꢄꢀZKLOHꢀGDWDꢀLVꢀODWFKHGꢀRQꢀWKHꢀꢇVW
ULVLQJꢀHGJHꢀRIꢀ:(ꢔꢀRUꢀ&(ꢔꢃꢀ$QꢀHUDVHꢀRSHUDWLRQꢀFDQꢀHUDVHꢀRQHꢀVHFWRUꢄꢀPXOWLSOHꢀVHFWRUVꢄꢀRUꢀWKH
HQWLUHꢀGHYLFHꢃꢀ7DEOHV ꢇꢇꢃꢇ±ꢇꢇꢃꢏꢀLQGLFDWHꢀWKHꢀDGGUHVVꢀVSDFHꢀWKDWꢀHDFKꢀVHFWRUꢀRFFXSLHVꢃꢀ7KHꢀGHYLFH
DGGUHVVꢀVSDFHꢀLVꢀGLYLGHGꢀLQWRꢀVL[WHHQꢀEDQNVꢆꢀ%DQNVꢀꢇꢀWKURXJKꢀꢇꢍꢀFRQWDLQꢀRQO\ꢀꢎꢍꢀ.ZRUGꢀVHFWRUVꢄ
ZKLOHꢀ%DQNVꢀꢌꢀDQGꢀꢇꢊꢀFRQWDLQꢀERWKꢀꢇꢎꢀ.ZRUGꢀERRWꢀVHFWRUVꢀLQꢀDGGLWLRQꢀWRꢀꢎꢍꢀ.ZRUGꢀVHFWRUVꢃꢀ$
³EDQNꢀDGGUHVV´ꢀLVꢀWKHꢀVHWꢀRIꢀDGGUHVVꢀELWVꢀUHTXLUHGꢀWRꢀXQLTXHO\ꢀVHOHFWꢀDꢀEDQNꢃꢀ6LPLODUO\ꢄꢀDꢀ³VHFWRU
DGGUHVV´ꢀLVꢀWKHꢀDGGUHVVꢀELWVꢀUHTXLUHGꢀWRꢀXQLTXHO\ꢀVHOHFWꢀDꢀVHFWRUꢃꢀ,&&ꢏꢀLQꢀ³'&ꢀ&KDUDFWHULVWLFV´ꢀUHSꢅ
UHVHQWVꢀWKHꢀDFWLYHꢀFXUUHQWꢀVSHFLILFDWLRQꢀIRUꢀWKHꢀZULWHꢀPRGHꢃꢀ³$&ꢀ&KDUDFWHULVWLFVꢅ6\QFKURQRXV´
DQGꢀ³$&ꢀ&KDUDFWHULVWLFVꢅ$V\QFKURQRXV´ꢀFRQWDLQꢀWLPLQJꢀVSHFLILFDWLRQꢀWDEOHVꢀDQGꢀWLPLQJꢀGLDJUDPV
IRUꢀZULWHꢀRSHUDWLRQVꢃꢀ
12.9 Handshaking
7KHꢀKDQGVKDNLQJꢀIHDWXUHꢀDOORZVꢀWKHꢀKRVWꢀV\VWHPꢀWRꢀGHWHFWꢀZKHQꢀGDWDꢀLVꢀUHDG\ꢀWRꢀEHꢀUHDGꢀE\ꢀVLPꢅ
SO\ꢀPRQLWRULQJꢀWKHꢀ5'<ꢀꢁ5HDG\ꢂꢀSLQꢄꢀZKLFKꢀLVꢀDꢀGHGLFDWHGꢀRXWSXWꢀDQGꢀFRQWUROOHGꢀE\ꢀ&(ꢔꢃ
:KHQꢀWKHꢀGHYLFHꢀLVꢀFRQILJXUHGꢀWRꢀRSHUDWHꢀLQꢀV\QFKURQRXVꢀPRGHꢄꢀDQGꢀ2(ꢔꢀLVꢀORZꢀꢁDFWLYHꢂꢄꢀWKHꢀLQLꢅ
WLDOꢀZRUGꢀRIꢀEXUVWꢀGDWDꢀEHFRPHVꢀDYDLODEOHꢀDIWHUꢀHLWKHUꢀWKHꢀIDOOLQJꢀRUꢀULVLQJꢀHGJHꢀRIꢀWKHꢀ5'<ꢀSLQ
ꢁGHSHQGLQJꢀRQꢀWKHꢀVHWWLQJꢀIRUꢀELWꢀꢇꢌꢀLQꢀWKHꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢂꢃꢀ,WꢀLVꢀUHFRPPHQGHGꢀWKDWꢀWKH
KRVWꢀV\VWHPꢀVHWꢀ&5ꢇꢑ±&5ꢇꢇꢀLQꢀWKHꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢀWRꢀWKHꢀDSSURSULDWHꢀQXPEHUꢀRIꢀZDLW
VWDWHVꢀWRꢀHQVXUHꢀRSWLPDOꢀEXUVWꢀPRGHꢀRSHUDWLRQꢀꢁVHHꢀ7DEOHꢀꢇꢏꢃꢇꢌꢄꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢂꢃ
%LWꢀꢋꢀLQꢀWKHꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢀDOORZVꢀWKHꢀKRVWꢀWRꢀVSHFLI\ꢀZKHWKHUꢀ5'<ꢀLVꢀDFWLYHꢀDWꢀWKHꢀVDPH
WLPHꢀWKDWꢀGDWDꢀLVꢀUHDG\ꢄꢀRUꢀRQHꢀF\FOHꢀEHIRUHꢀGDWDꢀLVꢀUHDG\ꢃꢀ
56
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
12.10 Hardware Reset
7KHꢀ5(6(7ꢔꢀLQSXWꢀSURYLGHVꢀDꢀKDUGZDUHꢀPHWKRGꢀRIꢀUHVHWWLQJꢀWKHꢀGHYLFHꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃ
:KHQꢀ5(6(7ꢔꢀLVꢀGULYHQꢀORZꢀIRUꢀDWꢀOHDVWꢀDꢀSHULRGꢀRIꢀW53ꢄꢀWKHꢀGHYLFHꢀLPPHGLDWHO\ꢀWHUPLQDWHVꢀDQ\
RSHUDWLRQꢀLQꢀSURJUHVVꢄꢀWULVWDWHVꢀDOOꢀRXWSXWVꢄꢀUHVHWVꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHUꢄꢀDQGꢀLJQRUHVꢀDOOꢀUHDGꢒ
ZULWHꢀFRPPDQGVꢀIRUꢀWKHꢀGXUDWLRQꢀRIꢀWKHꢀ5(6(7ꢔꢀSXOVHꢃꢀ7KHꢀGHYLFHꢀDOVRꢀUHVHWVꢀWKHꢀLQWHUQDOꢀVWDWH
PDFKLQHꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃꢀ
7RꢀHQVXUHꢀGDWDꢀLQWHJULW\ꢀWKHꢀRSHUDWLRQꢀWKDWꢀZDVꢀLQWHUUXSWHGꢀVKRXOGꢀEHꢀUHLQLWLDWHGꢀRQFHꢀWKHꢀGHYLFH
LVꢀUHDG\ꢀWRꢀDFFHSWꢀDQRWKHUꢀFRPPDQGꢀVHTXHQFHꢃ
:KHQꢀ5(6(7ꢔꢀLVꢀKHOGꢀDWꢀ966ꢄꢀWKHꢀGHYLFHꢀGUDZVꢀ&026ꢀVWDQGE\ꢀFXUUHQWꢀꢁ,&&ꢍꢂꢃꢀ,Iꢀ5(6(7ꢔꢀLVꢀKHOG
DWꢀ9,/ꢄꢀEXWꢀQRWꢀDWꢀ966ꢄꢀWKHꢀVWDQGE\ꢀFXUUHQWꢀLVꢀJUHDWHUꢃꢀ
5(6(7ꢔꢀPD\ꢀEHꢀWLHGꢀWRꢀWKHꢀV\VWHPꢀUHVHWꢀFLUFXLWU\ꢀZKLFKꢀHQDEOHVꢀWKHꢀV\VWHPꢀWRꢀUHDGꢀWKHꢀERRWꢅXS
ILUPZDUHꢀIURPꢀWKHꢀ)ODVKꢀPHPRU\ꢀXSRQꢀDꢀV\VWHPꢀUHVHWꢃ
6HHꢀ)LJXUHVꢀꢇꢎꢃꢊꢀDQGꢀꢇꢎꢃꢇꢑꢀIRUꢀWLPLQJꢀGLDJUDPVꢃ
12.11 Software Reset
6RIWZDUHꢀUHVHWꢀLVꢀSDUWꢀRIꢀWKHꢀFRPPDQGꢀVHWꢀꢁVHHꢀ7DEOHꢀꢇꢈꢃꢇꢂꢀWKDWꢀDOVRꢀUHWXUQVꢀWKHꢀGHYLFHꢀWRꢀDUUD\
UHDGꢀPRGHꢀDQGꢀPXVWꢀEHꢀXVHGꢀIRUꢀWKHꢀIROORZLQJꢀFRQGLWLRQVꢆ
ꢇꢃ WRꢀH[LWꢀ$XWRVHOHFWꢀPRGH
ꢏꢃ ZKHQꢀ'4ꢊꢀJRHVꢀKLJKꢀGXULQJꢀZULWHꢀVWDWXVꢀRSHUDWLRQꢀWKDWꢀLQGLFDWHVꢀSURJUDPꢀRUꢀHUDVHꢀF\FOHꢀZDV
QRWꢀVXFFHVVIXOO\ꢀFRPSOHWHG
ꢑꢃ H[LWꢀVHFWRUꢀORFNꢒXQORFNꢀRSHUDWLRQꢃꢀ
ꢍꢃ WRꢀUHWXUQꢀWRꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢀLIꢀWKHꢀGHYLFHꢀZDVꢀSUHYLRXVO\ꢀLQꢀ(UDVHꢀ6XVSHQGꢀPRGHꢃ
ꢊꢃ DIWHUꢀDQ\ꢀDERUWHGꢀRSHUDWLRQV
Software Functions and Sample Code
Table 12.27. Reset
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB5HVHW&PGꢂ
Cycle
Operation
Byte Address
Word Address
Data
5HVHWꢀ&RPPDQG
:ULWH
%DVHꢀꢐꢀ[[[K
%DVHꢀꢐꢀ[[[K
ꢌꢌ)ꢌK
Ir)ꢂ%DVHꢂ ꢂ%DVHꢂ$GGUHVVꢁ
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀUHVHWꢀIXQFWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQVLRQꢂ/RZ
/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDOꢀLQIRUPDꢅ
WLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: Reset (software reset of Flash state machine) */
*( (UINT16 *)base_addr + 0x000 ) = 0x00F0;
7KHꢀIROORZLQJꢀDUHꢀDGGLWLRQDOꢀSRLQWVꢀWRꢀFRQVLGHUꢀZKHQꢀXVLQJꢀWKHꢀUHVHWꢀFRPPDQGꢆ
7KLVꢀFRPPDQGꢀUHVHWVꢀWKHꢀEDQNVꢀWRꢀWKHꢀUHDGꢀDQGꢀDGGUHVVꢀELWVꢀDUHꢀLJQRUHGꢃꢀ
5HVHWꢀFRPPDQGVꢀDUHꢀLJQRUHGꢀRQFHꢀHUDVXUHꢀKDVꢀEHJXQꢀXQWLOꢀWKHꢀRSHUDWLRQꢀLVꢀFRPSOHWHꢃꢀ
2QFHꢀSURJUDPPLQJꢀEHJLQVꢄꢀWKHꢀGHYLFHꢀLJQRUHVꢀUHVHWꢀFRPPDQGVꢀXQWLOꢀWKHꢀRSHUDWLRQꢀLVꢀFRPꢅ
SOHWH
7KHꢀUHVHWꢀFRPPDQGꢀPD\ꢀEHꢀZULWWHQꢀEHWZHHQꢀWKHꢀF\FOHVꢀLQꢀDꢀSURJUDPꢀFRPPDQGꢀVHTXHQFH
EHIRUHꢀSURJUDPPLQJꢀEHJLQVꢀꢁSULRUꢀWRꢀWKHꢀWKLUGꢀF\FOHꢂꢃꢀ7KLVꢀUHVHWVꢀWKHꢀEDQNꢀWRꢀZKLFKꢀWKHꢀV\Vꢅ
WHPꢀZDVꢀZULWLQJꢀWRꢀWKHꢀUHDGꢀPRGHꢃꢀ
December 3, 2005 S29WS-N_m0_I0
57
P r e l i m i n a r y
,IꢀWKHꢀSURJUDPꢀFRPPDQGꢀVHTXHQFHꢀLVꢀZULWWHQꢀWRꢀDꢀEDQNꢀWKDWꢀLVꢀLQꢀWKHꢀ(UDVHꢀ6XVSHQGꢀPRGHꢄ
ZULWLQJꢀWKHꢀUHVHWꢀFRPPDQGꢀUHWXUQVꢀWKDWꢀEDQNꢀWRꢀWKHꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢃ
7KHꢀUHVHWꢀFRPPDQGꢀPD\ꢀEHꢀDOVRꢀZULWWHQꢀGXULQJꢀDQꢀ$XWRVHOHFWꢀFRPPDQGꢀVHTXHQFHꢃꢀ
,IꢀDꢀEDQNꢀKDVꢀHQWHUHGꢀWKHꢀ$XWRVHOHFWꢀPRGHꢀZKLOHꢀLQꢀWKHꢀ(UDVHꢀ6XVSHQGꢀPRGHꢄꢀZULWLQJꢀWKH
UHVHWꢀFRPPDQGꢀUHWXUQVꢀWKDWꢀEDQNꢀWRꢀWKHꢀHUDVHꢅVXVSHQGꢅUHDGꢀPRGHꢃ
,Iꢀ'4ꢇꢀJRHVꢀKLJKꢀGXULQJꢀDꢀ:ULWHꢀ%XIIHUꢀ3URJUDPPLQJꢀRSHUDWLRQꢄꢀWKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKH
ꢘ:ULWHꢀWRꢀ%XIIHUꢀ$ERUWꢀ5HVHWꢘꢀFRPPDQGꢀVHTXHQFHꢀWRꢀ5(6(7ꢀWKHꢀGHYLFHꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃ
7KHꢀVWDQGDUGꢀ5(6(7ꢀFRPPDQGꢀGRHVꢀQRWꢀZRUNꢀGXULQJꢀWKLVꢀFRQGLWLRQꢃꢀ
7RꢀH[LWꢀWKHꢀXQORFNꢀE\SDVVꢀPRGHꢄꢀWKHꢀV\VWHPꢀPXVWꢀLVVXHꢀDꢀWZRꢅF\FOHꢀXQORFNꢀE\SDVVꢀUHVHWꢀFRPꢅ
PDQGꢀVHTXHQFHꢀ>VHHꢀFRPPDQGꢀWDEOHꢀIRUꢀGHWDLOV@ꢃ
58
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
13 Advanced Sector Protection/Unprotection
7KHꢀ$GYDQFHGꢀ6HFWRUꢀ3URWHFWLRQꢒ8QSURWHFWLRQꢀIHDWXUHꢀGLVDEOHVꢀRUꢀHQDEOHVꢀSURJUDPPLQJꢀRUꢀHUDVH
RSHUDWLRQVꢀLQꢀDQ\ꢀRUꢀDOOꢀVHFWRUVꢀDQGꢀFDQꢀEHꢀLPSOHPHQWHGꢀWKURXJKꢀVRIWZDUHꢀDQGꢒRUꢀKDUGZDUH
PHWKRGVꢄꢀZKLFKꢀDUHꢀLQGHSHQGHQWꢀRIꢀHDFKꢀRWKHUꢃꢀ7KLVꢀVHFWLRQꢀGHVFULEHVꢀWKHꢀYDULRXVꢀPHWKRGVꢀRI
SURWHFWLQJꢀGDWDꢀVWRUHGꢀLQꢀWKHꢀPHPRU\ꢀDUUD\ꢃꢀ$QꢀRYHUYLHZꢀRIꢀWKHVHꢀPHWKRGVꢀLQꢀVKRZQꢀLQꢀ)LJXUH
ꢇꢑꢃꢇꢃ
Hardware Methods
Software Methods
Lock Register
(One Time Programmable)
ACC = V
IL
All sectors locked)
Persistent Method
Password Method
(
(DQ1)
(DQ2)
WP# = V
(All boot
IL
sectors locked)
64-bit Password
(One Time Protect)
1. Bit is volatile, and defaults to “1” on
reset.
PPB Lock Bit1,2,3
2. Programming to “0” locks all PPBs to
their current state.
0 = PPBs Locked
1 = PPBs Unlocked
3. Once programmed to “0”, requires
hardware reset to unlock.
Persistent
Protection Bit
(PPB)4,5
Dynamic
Protection Bit
(DYB)6,7,8
Memory Array
Sector 0
Sector 1
Sector 2
PPB 0
PPB 1
PPB 2
DYB 0
DYB 1
DYB 2
Sector N-2
Sector N-1
PPB N-2
PPB N-1
PPB N
DYB N-2
DYB N-1
DYB N
Sector N3
3. N = Highest Address Sector.
4. 0 = Sector Protected,
1 = Sector Unprotected.
6. 0 = Sector Protected,
1 = Sector Unprotected.
5. PPBs programmed individually,
but cleared collectively
7. Protect effective only if PPB Lock Bit
is unlocked and corresponding PPB
is “1” (unprotected).
8. Volatile Bits: defaults to user choice
upon power-up (see ordering
options).
Figure 13.1. Advanced Sector Protection/Unprotection
December 3, 2005 S29WS-N_m0_I0
59
P r e l i m i n a r y
13.1 Lock Register
$VꢀVKLSSHGꢀIURPꢀWKHꢀIDFWRU\ꢄꢀDOOꢀGHYLFHVꢀGHIDXOWꢀWRꢀWKHꢀSHUVLVWHQWꢀPRGHꢀZKHQꢀSRZHUꢀLVꢀDSSOLHGꢄ
DQGꢀDOOꢀVHFWRUVꢀDUHꢀXQSURWHFWHGꢄꢀXQOHVVꢀRWKHUZLVHꢀFKRVHQꢀWKURXJKꢀWKHꢀ'<%ꢀRUGHULQJꢀRSWLRQꢃꢀ7KH
GHYLFHꢀSURJUDPPHUꢀRUꢀKRVWꢀV\VWHPꢀPXVWꢀWKHQꢀFKRRVHꢀZKLFKꢀVHFWRUꢀSURWHFWLRQꢀPHWKRGꢀWRꢀXVHꢃ
3URJUDPPLQJꢀꢁVHWWLQJꢀWRꢀ³ꢌ´ꢂꢀDQ\ꢀRQHꢀRIꢀWKHꢀIROORZLQJꢀWZRꢀRQHꢅWLPHꢀSURJUDPPDEOHꢄꢀQRQꢅYRODWLOH
ELWVꢀORFNVꢀWKHꢀSDUWꢀSHUPDQHQWO\ꢀLQꢀWKDWꢀPRGHꢆ
/RFNꢀ5HJLVWHUꢀ3HUVLVWHQWꢀ3URWHFWLRQꢀ0RGHꢀ/RFNꢀ%LWꢀꢁ'4ꢇꢂ
/RFNꢀ5HJLVWHUꢀ3DVVZRUGꢀ3URWHFWLRQꢀ0RGHꢀ/RFNꢀ%LWꢀꢁ'4ꢏꢂ
Table 13.1 Lock Register
Device
DQ15-05
DQ4
DQ3
DQ2
DQ1
DQ0
3DVVZRUGꢀ
3URWHFWLRQꢀ
0RGHꢀ/RFNꢀ%LW
3HUVLVWHQWꢀ
3URWHFWLRQꢀ
0RGHꢀ/RFNꢀ%LW
&XVWRPHUꢀ
6HF6Lꢀ6HFWRUꢀ
3URWHFWLRQꢀ%LW
6ꢏꢉ:6ꢏꢊꢎ1
ꢇ
ꢇ
ꢇ
'<%ꢀ/RFNꢀ%RRWꢀ%LW
33%ꢀ2QHꢅ7LPHꢀ
ꢌꢀ ꢀVHFWRUVꢀ
SRZHUꢀXSꢀ
SURWHFWHG
3URJUDPPDEOHꢀ%LW
3DVVZRUGꢀ
3URWHFWLRQꢀ
0RGHꢀ/RFNꢀ%LW
3HUVLVWHQWꢀ
3URWHFWLRQꢀ
0RGHꢀ/RFNꢀ%LW
ꢌꢀ ꢀ$OOꢀ33%ꢀHUDVHꢀ
FRPPDQGꢀGLVDEOHG
6HF6Lꢀ6HFWRUꢀ
3URWHFWLRQꢀ%LW
6ꢏꢉ:6ꢇꢏꢋ1 8QGHILQHG
ꢇꢀ ꢀVHFWRUV
SRZHUꢀXSꢀ
XQSURWHFWHG
ꢇꢀ ꢀ$OOꢀ33%ꢀ(UDVHꢀ
FRPPDQGꢀHQDEOHG
)RUꢀSURJUDPPLQJꢀORFNꢀUHJLVWHUꢀELWVꢀUHIHUꢀWRꢀ7DEOHꢀꢇꢈꢃꢏꢃꢀ
1RWHV
ꢇꢃ ,IꢀWKHꢀSDVVZRUGꢀPRGHꢀLVꢀFKRVHQꢄꢀWKHꢀSDVVZRUGꢀPXVWꢀEHꢀSURJUDPPHGꢀEHIRUHꢀVHWWLQJꢀWKHꢀFRUꢅ
UHVSRQGLQJꢀORFNꢀUHJLVWHUꢀELWꢃ
ꢏꢃ $IWHUꢀWKHꢀ/RFNꢀ5HJLVWHUꢀ%LWVꢀ&RPPDQGꢀ6HWꢀ(QWU\ꢀFRPPDQGꢀVHTXHQFHꢀLVꢀZULWWHQꢄꢀUHDGVꢀDQG
ZULWHVꢀIRUꢀ%DQNꢀꢌꢀDUHꢀGLVDEOHGꢄꢀZKLOHꢀUHDGVꢀIURPꢀRWKHUꢀEDQNVꢀDUHꢀDOORZHGꢀXQWLOꢀH[LWLQJꢀWKLV
PRGHꢃ
ꢑꢃ ,IꢀERWKꢀORFNꢀELWVꢀDUHꢀVHOHFWHGꢀWRꢀEHꢀSURJUDPPHGꢀꢁWRꢀ]HURVꢂꢀDWꢀWKHꢀVDPHꢀWLPHꢄꢀWKHꢀRSHUDWLRQ
DERUWVꢃ
ꢍꢃ 2QFHꢀWKHꢀ3DVVZRUGꢀ0RGHꢀ/RFNꢀ%LWꢀLVꢀSURJUDPPHGꢄꢀWKHꢀ3HUVLVWHQWꢀ0RGHꢀ/RFNꢀ%LWꢀLVꢀSHUPDꢅ
QHQWO\ꢀGLVDEOHGꢄꢀDQGꢀQRꢀFKDQJHVꢀWRꢀWKHꢀSURWHFWLRQꢀVFKHPHꢀDUHꢀDOORZHGꢃꢀ6LPLODUO\ꢄꢀLIꢀWKHꢀ3HUꢅ
VLVWHQWꢀ0RGHꢀ/RFNꢀ%LWꢀLVꢀSURJUDPPHGꢄꢀWKHꢀ3DVVZRUGꢀ0RGHꢀLVꢀSHUPDQHQWO\ꢀGLVDEOHGꢃ
ꢊꢃ 'XULQJꢀHUDVHꢒSURJUDPꢀVXVSHQGꢄꢀꢀ$63ꢀHQWU\ꢀFRPPDQGVꢀDUHꢀQRWꢀDOORZHGꢃ
ꢎꢃ :KHQꢀWKHꢀGHYLFHꢀORFNꢀUHJLVWHUꢀLVꢀSURJUDPPHGꢀꢁ33%ꢀPRGHꢀORFNꢀELWꢀLVꢀSURJUDPPHGꢄꢀSDVVZRUG
PRGHꢀORFNꢀELWꢀLVꢀSURJUDPPHGꢄꢀRUꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀORFNꢀELWꢀLVꢀSURJUDPPHGꢂꢀDOOꢀ'<%V
UHYHUWꢀWRꢀWKHꢀSRZHUꢅRQꢀGHIDXOWꢀVWDWHꢃ
ꢈꢃ /RFNꢀUHJLVWHUꢀSURJUDPPLQJꢀRSHUDWLRQꢆ
$ꢃꢀ'DWDꢀ3ROOLQJꢀFDQꢀEHꢀGRQHꢀLPPHGLDWHO\ꢀDIWHUꢀWKHꢀORFNꢀUHJLVWHUꢀSURJUDPPLQJꢀFRPPDQG
VHTXHQFHꢀꢁQRꢀGHOD\ꢀUHTXLUHGꢂꢃꢀ1RWHꢀWKDWꢀVWDWXVꢀSROOLQJꢀFDQꢀEHꢀGRQHꢀRQO\ꢀLQꢀEDQNꢀꢌꢀDQG
WKHꢀUHFRPPHQGHGꢀꢍꢅVꢀGHOD\ꢀLVꢀIRUꢀEDFNZDUGꢀFRPSDWLELOLW\ꢀDQGꢀLVꢀQRWꢀUHTXLUHGꢃꢀ7KLVꢀUHFꢅ
RPPHQGDWLRQꢀZLOOꢀEHꢀQRWHGꢀDVꢀVXFKꢀLQꢀWKHꢀQH[WꢀUHYLVLRQꢀRIꢀWKHꢀGDWDꢀVKHHWꢃ
%ꢃꢀ5HDGVꢀIURPꢀRWKHUꢀEDQNVꢀꢁVLPXOWDQHRXVꢀRSHUDWLRQꢂꢀDUHꢀQRWꢀDOORZHGꢀGXULQJꢀORFNꢀUHJLVWHU
SURJUDPPLQJꢃꢀ7KLVꢀUHVWULFWLRQꢀDSSOLHVꢀWRꢀERWKꢀV\QFKURQRXVꢀDQGꢀDV\QFKURQRXVꢀUHDGꢀRSHUꢅ
DWLRQVꢃ
&ꢃꢀ7KHꢀDERYHꢀFODULILFDWLRQVꢀDUHꢀWUXHꢀIRUꢀSURJUDPPLQJꢀDQ\ꢀELWVꢀRIꢀWKHꢀ/RFNꢀ5HJLVWHUꢃ
60
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
$IWHUꢀVHOHFWLQJꢀDꢀVHFWRUꢀSURWHFWLRQꢀPHWKRGꢄꢀHDFKꢀVHFWRUꢀFDQꢀRSHUDWHꢀLQꢀDQ\ꢀRIꢀWKHꢀIROORZLQJꢀWKUHH
VWDWHVꢆꢀ
ꢇꢃ &RQVWDQWO\ꢂORFNHGꢁꢀ7KHꢀVHOHFWHGꢀVHFWRUVꢀDUHꢀSURWHFWHGꢀDQGꢀFDQꢀQRWꢀEHꢀUHSURJUDPPHGꢀXQOHVV
33%ꢀORFNꢀELWꢀLVꢀFOHDUHGꢀYLDꢀDꢀSDVVZRUGꢄꢀKDUGZDUHꢀUHVHWꢄꢀRUꢀSRZHUꢀF\FOHꢃ
ꢏꢃ '\QDPLFDOO\ꢂ ORFNHGꢁꢀ 7KHꢀ VHOHFWHGꢀ VHFWRUVꢀ DUHꢀ SURWHFWHGꢀ DQGꢀ FDQꢀ EHꢀ DOWHUHGꢀ YLDꢀ VRIWZDUH
FRPPDQGVꢃ
ꢑꢃ 8QORFNHGꢁꢀ7KHꢀVHFWRUVꢀDUHꢀXQSURWHFWHGꢀDQGꢀFDQꢀEHꢀHUDVHGꢀDQGꢒRUꢀSURJUDPPHGꢃ
7KHVHꢀVWDWHVꢀDUHꢀFRQWUROOHGꢀE\ꢀWKHꢀELWꢀW\SHVꢀGHVFULEHGꢀLQꢀ6HFWLRQVꢀꢇꢑꢃꢏ±ꢇꢑꢃꢎꢃ
13.2 Persistent Protection Bits
7KHꢀ3HUVLVWHQWꢀ3URWHFWLRQꢀ%LWVꢀDUHꢀXQLTXHꢀDQGꢀQRQYRODWLOHꢀIRUꢀHDFKꢀVHFWRUꢀDQGꢀKDYHꢀWKHꢀVDPHꢀHQꢅ
GXUDQFHVꢀDVꢀWKHꢀ)ODVKꢀPHPRU\ꢃꢀ3UHSURJUDPPLQJꢀDQGꢀYHULILFDWLRQꢀSULRUꢀWRꢀHUDVXUHꢀDUHꢀKDQGOHGꢀE\
WKHꢀGHYLFHꢄꢀDQGꢀWKHUHIRUHꢀGRꢀQRWꢀUHTXLUHꢀV\VWHPꢀPRQLWRULQJꢃ
1RWHV
ꢇꢃ (DFKꢀ33%ꢀLVꢀLQGLYLGXDOO\ꢀSURJUDPPHGꢀDQGꢀDOOꢀDUHꢀHUDVHGꢀLQꢀSDUDOOHOꢃꢀ
ꢏꢃ 33%ꢀSURJUDPꢒHUDVHꢀRSHUDWLRQꢆꢀ5HDGVꢀIURPꢀRWKHUꢀEDQNVꢀꢁVLPXOWDQHRXVꢀRSHUDWLRQꢂꢀDUHꢀQRWꢀDOꢅ
ORZHGꢀ GXULQJꢀ 33%ꢀ SURJUDPPLQJꢒHUDVHꢀ RSHUDWLRQꢃꢀ 7KLVꢀUHVWULFWLRQꢀ DSSOLHVꢀIRUꢀERWK
V\QFKURQRXVꢀDQGꢀDV\QFKURQRXVꢀUHDGꢀRSHUDWLRQVꢃ
ꢑꢃ (QWU\ꢀFRPPDQGꢀGLVDEOHVꢀUHDGVꢀDQGꢀZULWHVꢀIRUꢀWKHꢀEDQNꢀVHOHFWHGꢃꢀ
ꢍꢃ 5HDGVꢀZLWKLQꢀWKDWꢀEDQNꢀUHWXUQꢀWKHꢀ33%ꢀVWDWXVꢀIRUꢀWKDWꢀVHFWRUꢃꢀ
ꢊꢃ $OOꢀ5HDGVꢀPXVWꢀEHꢀSHUIRUPHGꢀXVLQJꢀWKHꢀ$V\QFKURQRXVꢀPRGHꢃ
ꢎꢃ 7KHꢀVSHFLILFꢀVHFWRUꢀDGGUHVVꢀꢁ$ꢏꢑꢅ$ꢇꢍꢀ:6ꢏꢊꢎ1ꢄꢀ$ꢏꢏꢅ$ꢇꢍꢀ:6ꢇꢏꢋ1ꢂꢀDUHꢀZULWWHQꢀDWꢀWKHꢀVDPH
WLPHꢀDVꢀWKHꢀSURJUDPꢀFRPPDQGꢃꢀ
ꢈꢃ ,IꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢀLVꢀVHWꢄꢀWKHꢀ33%ꢀ3URJUDPꢀRUꢀHUDVHꢀFRPPDQGꢀGRHVꢀQRWꢀH[HFXWHꢀDQGꢀWLPHVꢅ
RXWꢀZLWKRXWꢀSURJUDPPLQJꢀRUꢀHUDVLQJꢀWKHꢀ33%ꢃ
ꢋꢃ 7KHUHꢀDUHꢀQRꢀPHDQVꢀIRUꢀLQGLYLGXDOO\ꢀHUDVLQJꢀDꢀVSHFLILFꢀ33%ꢀDQGꢀQRꢀVSHFLILFꢀVHFWRUꢀDGGUHVVꢀLV
UHTXLUHGꢀIRUꢀWKLVꢀRSHUDWLRQꢃ
ꢉꢃ ([LWꢀFRPPDQGꢀPXVWꢀEHꢀLVVXHGꢀDIWHUꢀWKHꢀH[HFXWLRQꢀZKLFKꢀUHVHWVꢀWKHꢀGHYLFHꢀWRꢀUHDGꢀPRGHꢀDQG
UHꢅHQDEOHVꢀUHDGVꢀDQGꢀZULWHVꢀIRUꢀ%DQNꢀꢌ
ꢇꢌꢃ 7KHꢀSURJUDPPLQJꢀVWDWHꢀRIꢀWKHꢀ33%ꢀIRUꢀDꢀJLYHQꢀVHFWRUꢀFDQꢀEHꢀYHULILHGꢀE\ꢀZULWLQJꢀDꢀ33%
6WDWXVꢀ5HDGꢀ&RPPDQGꢀWRꢀWKHꢀGHYLFHꢀDVꢀGHVFULEHGꢀE\ꢀWKHꢀIORZꢀFKDUWꢀVKRZQꢀLQꢀ)LJXUHꢀꢇꢑꢃꢏꢃ
December 3, 2005 S29WS-N_m0_I0
61
P r e l i m i n a r y
Enter PPB
Command Set.
Addr = BA
Program PPB Bit.
Addr = SA
Read Byte Twice
Addr = SA0
No
DQ6 =
Toggle?
Yes
No
DQ5 = 1?
Yes
Wait 500 µs
Read Byte Twice
Addr = SA0
No
Read Byte.
Addr = SA
DQ6 =
Toggle?
Yes
DQ0 =
No
'1' (Erase)
'0' (Pgm.)?
FAIL
Yes
PASS
Exit PPB
Command Set
Figure 13.2. PPB Program/Erase Algorithm
62
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
13.3 Dynamic Protection Bits
'\QDPLFꢀ3URWHFWLRQꢀ%LWVꢀDUHꢀYRODWLOHꢀDQGꢀXQLTXHꢀIRUꢀHDFKꢀVHFWRUꢀDQGꢀFDQꢀEHꢀLQGLYLGXDOO\ꢀPRGLILHGꢃ
'<%VꢀRQO\ꢀFRQWUROꢀWKHꢀSURWHFWLRQꢀVFKHPHꢀIRUꢀXQSURWHFWHGꢀVHFWRUVꢀWKDWꢀKDYHꢀWKHLUꢀ33%VꢀFOHDUHG
ꢁHUDVHGꢀWRꢀ³ꢇ´ꢂꢃꢀ%\ꢀLVVXLQJꢀWKHꢀ'<%ꢀ6HWꢀRUꢀ&OHDUꢀFRPPDQGꢀVHTXHQFHVꢄꢀWKHꢀ'<%VꢀDUHꢀVHWꢀꢁSURꢅ
JUDPPHGꢀWRꢀ³ꢌ´ꢂꢀRUꢀFOHDUHGꢀꢁHUDVHGꢀWRꢀ³ꢇ´ꢂꢄꢀWKXVꢀSODFLQJꢀHDFKꢀVHFWRUꢀLQꢀWKHꢀSURWHFWHGꢀRU
XQSURWHFWHGꢀVWDWHꢀUHVSHFWLYHO\ꢃꢀ7KLVꢀIHDWXUHꢀDOORZVꢀVRIWZDUHꢀWRꢀHDVLO\ꢀSURWHFWꢀVHFWRUVꢀDJDLQVWꢀLQꢅ
DGYHUWHQWꢀFKDQJHVꢀ\HWꢀGRHVꢀQRWꢀSUHYHQWꢀWKHꢀHDV\ꢀUHPRYDOꢀRIꢀSURWHFWLRQꢀZKHQꢀFKDQJHVꢀDUH
QHHGHGꢃꢀ
1RWHV
ꢇꢃ 7KHꢀ'<%VꢀFDQꢀEHꢀVHWꢀꢁSURJUDPPHGꢀWRꢀ³ꢌ´ꢂꢀRUꢀFOHDUHGꢀꢁHUDVHGꢀWRꢀ³ꢇ´ꢂꢀDVꢀRIWHQꢀDVꢀQHHGHGꢃꢀ
:KHQꢀWKHꢀSDUWVꢀDUHꢀILUVWꢀVKLSSHGꢄꢀWKHꢀ33%VꢀDUHꢀFOHDUHGꢀꢁHUDVHGꢀWRꢀ³ꢇ´ꢂꢀDQGꢀXSRQꢀSRZHUꢀXSꢀRU
UHVHWꢄꢀWKHꢀ'<%VꢀFDQꢀEHꢀVHWꢀRUꢀFOHDUHGꢀGHSHQGLQJꢀXSRQꢀWKHꢀRUGHULQJꢀRSWLRQꢀFKRVHQꢃꢀ
ꢏꢃ ,IꢀWKHꢀRSWLRQꢀWRꢀFOHDUꢀWKHꢀ'<%VꢀDIWHUꢀSRZHUꢀXSꢀLVꢀFKRVHQꢄꢀꢁHUDVHGꢀWRꢀ³ꢇ´ꢂꢄꢀWKHQꢀWKHꢀVHFWRUV
PD\ꢀEHꢀPRGLILHGꢀGHSHQGLQJꢀXSRQꢀWKHꢀ33%ꢀVWDWHꢀRIꢀWKDWꢀVHFWRUꢀꢁVHHꢀ7DEOHꢀꢇꢑꢃꢏꢂꢃ
ꢑꢃ 7KHꢀVHFWRUVꢀZRXOGꢀEHꢀLQꢀWKHꢀSURWHFWHGꢀVWDWHꢀ,IꢀWKHꢀRSWLRQꢀWRꢀVHWꢀWKHꢀ'<%VꢀDIWHUꢀSRZHUꢀXSꢀLV
FKRVHQꢀꢁSURJUDPPHGꢀWRꢀ³ꢌ´ꢂꢃ
ꢍꢃ ,WꢀLVꢀSRVVLEOHꢀWRꢀKDYHꢀVHFWRUVꢀWKDWꢀDUHꢀSHUVLVWHQWO\ꢀORFNHGꢀZLWKꢀVHFWRUVꢀWKDWꢀDUHꢀOHIWꢀLQꢀWKH
G\QDPLFꢀVWDWHꢃꢀ
ꢊꢃ 7KHꢀ'<%ꢀ6HWꢀRUꢀ&OHDUꢀFRPPDQGVꢀIRUꢀWKHꢀG\QDPLFꢀVHFWRUVꢀVLJQLI\ꢀSURWHFWHGꢀRUꢀXQSURWHFWHG
VWDWHꢀRIꢀWKHꢀVHFWRUVꢀUHVSHFWLYHO\ꢃꢀ+RZHYHUꢄꢀLIꢀWKHUHꢀLVꢀDꢀQHHGꢀWRꢀFKDQJHꢀWKHꢀVWDWXVꢀRIꢀWKHꢀSHUꢅ
VLVWHQWO\ꢀORFNHGꢀVHFWRUVꢄꢀDꢀIHZꢀPRUHꢀVWHSVꢀDUHꢀUHTXLUHGꢃꢀ)LUVWꢄꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢀPXVWꢀEH
FOHDUHGꢀE\ꢀHLWKHUꢀSXWWLQJꢀWKHꢀGHYLFHꢀWKURXJKꢀDꢀSRZHUꢅF\FOHꢄꢀRUꢀKDUGZDUHꢀUHVHWꢃꢀ7KHꢀ33%VꢀFDQ
WKHQꢀEHꢀFKDQJHGꢀWRꢀUHIOHFWꢀWKHꢀGHVLUHGꢀVHWWLQJVꢃꢀ6HWWLQJꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢀRQFHꢀDJDLQꢀORFNV
WKHꢀ33%VꢄꢀDQGꢀWKHꢀGHYLFHꢀRSHUDWHVꢀQRUPDOO\ꢀDJDLQꢃꢀ
ꢎꢃ 7RꢀDFKLHYHꢀWKHꢀEHVWꢀSURWHFWLRQꢄꢀLWꢀLVꢀUHFRPPHQGHGꢀWRꢀH[HFXWHꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢀ6HWꢀFRPPDQG
HDUO\ꢀLQꢀWKHꢀERRWꢀFRGHꢀDQGꢀSURWHFWꢀWKHꢀERRWꢀFRGHꢀE\ꢀKROGLQJꢀ:3ꢔꢀ ꢀ9,/ꢃꢀ1RWHꢀWKDWꢀWKHꢀ33%
DQGꢀ'<%ꢀELWVꢀKDYHꢀWKHꢀVDPHꢀIXQFWLRQꢀZKHQꢀ$&&ꢀ ꢀ9++ꢀDVꢀWKH\ꢀGRꢀZKHQꢀ$&&ꢀ 9,+
ꢃ
13.4 Persistent Protection Bit Lock Bit
7KHꢀ3HUVLVWHQWꢀ3URWHFWLRQꢀ%LWꢀ/RFNꢀ%LWꢀLVꢀDꢀJOREDOꢀYRODWLOHꢀELWꢀIRUꢀDOOꢀVHFWRUVꢃꢀ:KHQꢀVHWꢀꢁSURꢅ
JUDPPHGꢀWRꢀ³ꢌ´ꢂꢄꢀLWꢀORFNVꢀDOOꢀ33%VꢀDQGꢀZKHQꢀFOHDUHGꢀꢁSURJUDPPHGꢀWRꢀ³ꢇ´ꢂꢄꢀDOORZVꢀWKHꢀ33%VꢀWRꢀEH
FKDQJHGꢃꢀ7KHUHꢀLVꢀRQO\ꢀRQHꢀ33%ꢀ/RFNꢀ%LWꢀSHUꢀGHYLFHꢃ
1RWHV
ꢇꢃ 1RꢀVRIWZDUHꢀFRPPDQGꢀVHTXHQFHꢀXQORFNVꢀWKLVꢀELWꢀXQOHVVꢀWKHꢀGHYLFHꢀLVꢀLQꢀWKHꢀSDVVZRUGꢀSURꢅ
WHFWLRQꢀPRGHꢕꢀRQO\ꢀDꢀKDUGZDUHꢀUHVHWꢀRUꢀDꢀSRZHUꢅXSꢀFOHDUVꢀWKLVꢀELWꢃꢀ
ꢏꢃ 7KHꢀ33%ꢀ/RFNꢀ%LWꢀPXVWꢀEHꢀVHWꢀꢁSURJUDPPHGꢀWRꢀ³ꢌ´ꢂꢀRQO\ꢀDIWHUꢀDOOꢀ33%VꢀDUHꢀFRQILJXUHGꢀWRꢀWKH
GHVLUHGꢀVHWWLQJVꢃꢀ
13.5 Password Protection Method
7KHꢀ3DVVZRUGꢀ3URWHFWLRQꢀ0HWKRGꢀDOORZVꢀDQꢀHYHQꢀKLJKHUꢀOHYHOꢀRIꢀVHFXULW\ꢀWKDQꢀWKHꢀ3HUVLVWHQWꢀ6HFꢅ
WRUꢀ3URWHFWLRQꢀ0RGHꢀE\ꢀUHTXLULQJꢀDꢀꢎꢍꢀELWꢀSDVVZRUGꢀIRUꢀXQORFNLQJꢀWKHꢀGHYLFHꢀ33%ꢀ/RFNꢀ%LWꢃꢀ,Q
DGGLWLRQꢀWRꢀWKLVꢀSDVVZRUGꢀUHTXLUHPHQWꢄꢀDIWHUꢀSRZHUꢀXSꢀDQGꢀUHVHWꢄꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢀLVꢀVHWꢀ³ꢌ´ꢀWR
PDLQWDLQꢀWKHꢀSDVVZRUGꢀPRGHꢀRIꢀRSHUDWLRQꢃꢀ6XFFHVVIXOꢀH[HFXWLRQꢀRIꢀWKHꢀ3DVVZRUGꢀ8QORFNꢀFRPꢅ
PDQGꢀE\ꢀHQWHULQJꢀWKHꢀHQWLUHꢀSDVVZRUGꢀFOHDUVꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢄꢀDOORZLQJꢀIRUꢀVHFWRUꢀ33%V
PRGLILFDWLRQVꢃ
December 3, 2005 S29WS-N_m0_I0
63
P r e l i m i n a r y
1RWHV
ꢇꢃ 7KHUHꢀLVꢀQRꢀVSHFLDOꢀDGGUHVVLQJꢀRUGHUꢀUHTXLUHGꢀIRUꢀSURJUDPPLQJꢀWKHꢀSDVVZRUGꢃꢀ2QFHꢀWKHꢀ3DVVꢅ
ZRUGꢀLVꢀZULWWHQꢀDQGꢀYHULILHGꢄꢀWKHꢀ3DVVZRUGꢀ0RGHꢀ/RFNLQJꢀ%LWꢀPXVWꢀEHꢀVHWꢀLQꢀRUGHUꢀWRꢀSUHYHQW
DFFHVVꢃ
ꢏꢃ 7KHꢀ3DVVZRUGꢀ3URJUDPꢀ&RPPDQGꢀLVꢀRQO\ꢀFDSDEOHꢀRIꢀSURJUDPPLQJꢀ³ꢌ´Vꢃꢀ3URJUDPPLQJꢀDꢀ³ꢇ´
DIWHUꢀDꢀFHOOꢀLVꢀSURJUDPPHGꢀDVꢀDꢀ³ꢌ´ꢀUHVXOWVꢀLQꢀDꢀWLPHꢅRXWꢀZLWKꢀWKHꢀFHOOꢀDVꢀDꢀ³ꢌ´ꢃꢀ
ꢑꢃ 7KHꢀSDVVZRUGꢀLVꢀDOOꢀ³ꢇ´VꢀZKHQꢀVKLSSHGꢀIURPꢀWKHꢀIDFWRU\ꢃꢀ
ꢍꢃ $OOꢀꢎꢍꢅELWꢀSDVVZRUGꢀFRPELQDWLRQVꢀDUHꢀYDOLGꢀDVꢀDꢀSDVVZRUGꢃꢀ
ꢊꢃ 7KHUHꢀLVꢀQRꢀPHDQVꢀWRꢀYHULI\ꢀZKDWꢀWKHꢀSDVVZRUGꢀLVꢀDIWHUꢀLWꢀLVꢀVHWꢃꢀ
ꢎꢃ 7KHꢀ3DVVZRUGꢀ0RGHꢀ/RFNꢀ%LWꢄꢀRQFHꢀVHWꢄꢀSUHYHQWVꢀUHDGLQJꢀWKHꢀꢎꢍꢅELWꢀSDVVZRUGꢀRQꢀWKHꢀGDWD
EXVꢀDQGꢀIXUWKHUꢀSDVVZRUGꢀSURJUDPPLQJꢃꢀ
ꢈꢃ 7KHꢀ3DVVZRUGꢀ0RGHꢀ/RFNꢀ%LWꢀLVꢀQRWꢀHUDVDEOHꢃꢀ
ꢋꢃ 7KHꢀORZHUꢀWZRꢀDGGUHVVꢀELWVꢀꢁ$ꢇ±$ꢌꢂꢀDUHꢀYDOLGꢀGXULQJꢀWKHꢀ3DVVZRUGꢀ5HDGꢄꢀ3DVVZRUGꢀ3URJUDPꢄ
DQGꢀ3DVVZRUGꢀ8QORFNꢃꢀ
ꢉꢃ 7KHꢀH[DFWꢀSDVVZRUGꢀPXVWꢀEHꢀHQWHUHGꢀLQꢀRUGHUꢀIRUꢀWKHꢀXQORFNLQJꢀIXQFWLRQꢀWRꢀRFFXUꢃꢀ
ꢇꢌꢃ 7KHꢀ3DVVZRUGꢀ8QORFNꢀFRPPDQGꢀFDQQRWꢀEHꢀLVVXHGꢀDQ\ꢀIDVWHUꢀWKDQꢀꢇꢀVꢀDWꢀDꢀWLPHꢀWRꢀSUHYHQW
DꢀKDFNHUꢀIURPꢀUXQQLQJꢀWKURXJKꢀDOOꢀWKHꢀꢎꢍꢅELWꢀFRPELQDWLRQVꢀLQꢀDQꢀDWWHPSWꢀWRꢀFRUUHFWO\ꢀPDWFK
DꢀSDVVZRUGꢃꢀ
ꢇꢇꢃ $SSUR[LPDWHO\ꢀꢇꢀVꢀLVꢀUHTXLUHGꢀIRUꢀXQORFNLQJꢀWKHꢀGHYLFHꢀDIWHUꢀWKHꢀYDOLGꢀꢎꢍꢅELWꢀSDVVZRUGꢀLV
JLYHQꢀWRꢀWKHꢀGHYLFHꢃꢀ
ꢇꢏꢃ 3DVVZRUGꢀYHULILFDWLRQꢀLVꢀRQO\ꢀDOORZHGꢀGXULQJꢀWKHꢀSDVVZRUGꢀSURJUDPPLQJꢀRSHUDWLRQꢃ
ꢇꢑꢃ $OOꢀIXUWKHUꢀFRPPDQGVꢀWRꢀWKHꢀSDVVZRUGꢀUHJLRQꢀDUHꢀGLVDEOHGꢀDQGꢀDOOꢀRSHUDWLRQVꢀDUHꢀLJQRUHGꢃ
ꢇꢍꢃ ,IꢀWKHꢀSDVVZRUGꢀLVꢀORVWꢀDIWHUꢀVHWWLQJꢀWKHꢀ3DVVZRUGꢀ0RGHꢀ/RFNꢀ%LWꢄꢀWKHUHꢀLVꢀQRꢀZD\ꢀWRꢀFOHDUꢀWKH
33%ꢀ/RFNꢀ%LWꢃ
ꢇꢊꢃ (QWU\ꢀFRPPDQGꢀVHTXHQFHꢀPXVWꢀEHꢀLVVXHGꢀSULRUꢀWRꢀDQ\ꢀRIꢀDQ\ꢀRSHUDWLRQꢀDQGꢀLWꢀGLVDEOHVꢀUHDGV
DQGꢀZULWHVꢀIRUꢀ%DQNꢀꢌꢃꢀ5HDGVꢀDQGꢀZULWHVꢀIRUꢀRWKHUꢀEDQNVꢀH[FOXGLQJꢀ%DQNꢀꢌꢀDUHꢀDOORZHGꢃꢀ
ꢇꢎꢃ ,IꢀWKHꢀXVHUꢀDWWHPSWVꢀWRꢀSURJUDPꢀRUꢀHUDVHꢀDꢀSURWHFWHGꢀVHFWRUꢄꢀWKHꢀGHYLFHꢀLJQRUHVꢀWKHꢀFRPPDQG
DQGꢀUHWXUQVꢀWRꢀUHDGꢀPRGHꢃꢀ
ꢇꢈꢃ $ꢀSURJUDPꢀRUꢀHUDVHꢀFRPPDQGꢀWRꢀDꢀSURWHFWHGꢀVHFWRUꢀHQDEOHVꢀVWDWXVꢀSROOLQJꢀDQGꢀUHWXUQVꢀWRꢀUHDG
PRGHꢀZLWKRXWꢀKDYLQJꢀPRGLILHGꢀWKHꢀFRQWHQWVꢀRIꢀWKHꢀSURWHFWHGꢀVHFWRUꢃꢀ
ꢇꢋꢃ 7KHꢀSURJUDPPLQJꢀRIꢀWKHꢀ'<%ꢄꢀ33%ꢄꢀDQGꢀ33%ꢀ/RFNꢀIRUꢀDꢀJLYHQꢀVHFWRUꢀFDQꢀEHꢀYHULILHGꢀE\ꢀZULWLQJ
LQGLYLGXDOꢀVWDWXVꢀUHDGꢀFRPPDQGVꢀ'<%ꢀ6WDWXVꢄꢀ33%ꢀ6WDWXVꢄꢀDQGꢀ33%ꢀ/RFNꢀ6WDWXVꢀWRꢀWKHꢀGHYLFHꢃ
64
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Unlock Cycle 1
Unlock Cycle 2
Write
Enter Lock Register Command:
Address 555h, Data 40h
XXXh = Address don’t care
* Not on future devices
Program Lock Register Data
Address XXXh, Data A0h
Address 77h*, Data PD
Program Data (PD): See text for Lock Register
definitions
Caution: Lock register can only be progammed
once.
Wait 4 µs
(Recommended)
Perform Polling Algorithm
(see Write Operation Status
flowchart)
Yes
Done?
No
No
DQ5 = 1?
Yes
Error condition (Exceeded Timing Limits)
PASS. Write Lock Register
Exit Command:
FAIL. Write rest command
to return to reading array.
Address XXXh, Data 90h
Address XXXh, Data 00h
Device returns to reading array.
Figure 13.3. Lock Register Program Algorithm
December 3, 2005 S29WS-N_m0_I0
65
P r e l i m i n a r y
13.6 Advanced Sector Protection Software Examples
Table 13.2 Sector Protection Schemes
Unique Device PPB Lock Bit
0 = locked
Sector PPB
0 = protected
1 = unprotected
Sector DYB
0 = protected
1 = unprotected
1 = unlocked
Sector Protection Status
3URWHFWHGꢀWKURXJKꢀ33%
3URWHFWHGꢀWKURXJKꢀ33%
8QSURWHFWHG
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
$Q\ꢀ6HFWRU
ꢌ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
[
[
ꢇ
ꢌ
[
[
ꢌ
ꢇ
3URWHFWHGꢀWKURXJKꢀ'<%
3URWHFWHGꢀWKURXJKꢀ33%
3URWHFWHGꢀWKURXJKꢀ33%
3URWHFWHGꢀWKURXJKꢀ'<%
8QSURWHFWHG
7DEOHꢀꢇꢑꢃꢏꢀFRQWDLQVꢀDOOꢀSRVVLEOHꢀFRPELQDWLRQVꢀRIꢀWKHꢀ'<%ꢄꢀ33%ꢄꢀDQGꢀ33%ꢀ/RFNꢀ%LWꢀUHODWLQJꢀWRꢀWKH
VWDWXVꢀRIꢀWKHꢀVHFWRUꢃꢀ,QꢀVXPPDU\ꢄꢀLIꢀWKHꢀ33%ꢀ/RFNꢀ%LWꢀLVꢀORFNHGꢀꢁVHWꢀWRꢀ³ꢌ´ꢂꢄꢀQRꢀFKDQJHVꢀWRꢀWKH
33%VꢀDUHꢀDOORZHGꢃꢀ7KHꢀ33%ꢀ/RFNꢀ%LWꢀFDQꢀRQO\ꢀEHꢀXQORFNHGꢀꢁUHVHWꢀWRꢀ³ꢇ´ꢂꢀWKURXJKꢀDꢀKDUGZDUHꢀUHVHW
RUꢀSRZHUꢀF\FOHꢃꢀ6HHꢀDOVRꢀ)LJXUHꢀꢇꢑꢃꢇꢀIRUꢀDQꢀRYHUYLHZꢀRIꢀWKHꢀ$GYDQFHGꢀ6HFWRUꢀ3URWHFWLRQꢀIHDWXUHꢃ
13.7 Hardware Data Protection Methods
7KHꢀGHYLFHꢀRIIHUVꢀWZRꢀPDLQꢀW\SHVꢀRIꢀGDWDꢀSURWHFWLRQꢀDWꢀWKHꢀVHFWRUꢀOHYHOꢀYLDꢀKDUGZDUHꢀFRQWUROꢆ
:KHQꢀ:3ꢔꢀLVꢀDWꢀ9,/ꢄꢀWKHꢀIRXUꢀRXWHUPRVWꢀVHFWRUVꢀDUHꢀORFNHGꢀꢁGHYLFHꢀVSHFLILFꢂꢃꢀ
:KHQꢀ$&&ꢀLVꢀDWꢀ9,/ꢄꢀDOOꢀVHFWRUVꢀDUHꢀORFNHGꢃ
7KHUHꢀDUHꢀDGGLWLRQDOꢀPHWKRGVꢀE\ꢀZKLFKꢀLQWHQGHGꢀRUꢀDFFLGHQWDOꢀHUDVXUHꢀRIꢀDQ\ꢀVHFWRUVꢀFDQꢀEHꢀSUHꢅ
YHQWHGꢀYLDꢀKDUGZDUHꢀPHDQVꢃꢀ7KHꢀIROORZLQJꢀVXEVHFWLRQVꢀGHVFULEHVꢀWKHVHꢀPHWKRGVꢆ
ꢄꢅꢎꢆꢎꢄ :3ꢓꢀ0HWKRG
7KHꢀ:ULWHꢀ3URWHFWꢀIHDWXUHꢀSURYLGHVꢀDꢀKDUGZDUHꢀPHWKRGꢀRIꢀSURWHFWLQJꢀWKHꢀIRXUꢀRXWHUPRVWꢀVHFWRUVꢃ
7KLVꢀIXQFWLRQꢀLVꢀSURYLGHGꢀE\ꢀWKHꢀ:3ꢔꢀSLQꢀDQGꢀRYHUULGHVꢀWKHꢀSUHYLRXVO\ꢀGLVFXVVHGꢀ6HFWRUꢀ3URWHFꢅ
WLRQꢒ8QSURWHFWLRQꢀPHWKRGꢃꢀ
,IꢀWKHꢀV\VWHPꢀDVVHUWVꢀ9,/ꢀRQꢀWKHꢀ:3ꢔꢀSLQꢄꢀWKHꢀGHYLFHꢀGLVDEOHVꢀSURJUDPꢀDQGꢀHUDVHꢀIXQFWLRQVꢀLQꢀWKH
³RXWHUPRVW´ꢀERRWꢀVHFWRUVꢃꢀ7KHꢀRXWHUPRVWꢀERRWꢀVHFWRUVꢀDUHꢀWKHꢀVHFWRUVꢀFRQWDLQLQJꢀERWKꢀWKHꢀORZHU
DQGꢀXSSHUꢀVHWꢀRIꢀVHFWRUVꢀLQꢀDꢀGXDOꢅERRWꢅFRQILJXUHGꢀGHYLFHꢃꢀ
,IꢀWKHꢀV\VWHPꢀDVVHUWVꢀ9,+ꢀRQꢀWKHꢀ:3ꢔꢀSLQꢄꢀWKHꢀGHYLFHꢀUHYHUWVꢀWRꢀZKHWKHUꢀWKHꢀERRWꢀVHFWRUVꢀZHUH
ODVWꢀVHWꢀWRꢀEHꢀSURWHFWHGꢀRUꢀXQSURWHFWHGꢃꢀ7KDWꢀLVꢄꢀVHFWRUꢀSURWHFWLRQꢀRUꢀXQSURWHFWLRQꢀIRUꢀWKHVHꢀVHFꢅ
WRUVꢀGHSHQGVꢀRQꢀZKHWKHUꢀWKH\ꢀZHUHꢀODVWꢀSURWHFWHGꢀRUꢀXQSURWHFWHGꢃꢀ
1RWHꢀWKDWꢀWKHꢀ:3ꢔꢀSLQꢀPXVWꢀQRWꢀEHꢀOHIWꢀIORDWLQJꢀRUꢀXQFRQQHFWHGꢀDVꢀLQFRQVLVWHQWꢀEHKDYLRUꢀRIꢀWKH
GHYLFHꢀPD\ꢀUHVXOWꢃꢀ
7KHꢀ:3ꢔꢀSLQꢀPXVWꢀEHꢀKHOGꢀVWDEOHꢀGXULQJꢀDꢀFRPPDQGꢀVHTXHQFHꢀH[HFXWLRQ
ꢄꢅꢎꢆꢎꢈ $&&ꢀ0HWKRG
7KLVꢀPHWKRGꢀLVꢀVLPLODUꢀWRꢀDERYHꢄꢀH[FHSWꢀLWꢀSURWHFWVꢀDOOꢀVHFWRUVꢃꢀ2QFHꢀ$&&ꢀLQSXWꢀLVꢀVHWꢀWRꢀ9,/ꢄꢀDOO
SURJUDPꢀDQGꢀHUDVHꢀIXQFWLRQVꢀDUHꢀGLVDEOHGꢀDQGꢀKHQFHꢀDOOꢀVHFWRUVꢀDUHꢀSURWHFWHGꢃ
66
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢅꢎꢆꢎꢅ /RZꢀ9&&ꢀ:ULWHꢀ,QKLELW
:KHQꢀ9&&ꢀLVꢀOHVVꢀWKDQꢀ9/.2ꢄꢀWKHꢀGHYLFHꢀGRHVꢀQRWꢀDFFHSWꢀDQ\ꢀZULWHꢀF\FOHVꢃꢀ7KLVꢀSURWHFWVꢀGDWDꢀGXUꢅ
LQJꢀ9&&ꢀSRZHUꢅXSꢀDQGꢀSRZHUꢅGRZQꢃꢀ
7KHꢀFRPPDQGꢀUHJLVWHUꢀDQGꢀDOOꢀLQWHUQDOꢀSURJUDPꢒHUDVHꢀFLUFXLWVꢀDUHꢀGLVDEOHGꢄꢀDQGꢀWKHꢀGHYLFHꢀUHVHWV
WRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃꢀ6XEVHTXHQWꢀZULWHVꢀDUHꢀLJQRUHGꢀXQWLOꢀ9&&ꢀLVꢀJUHDWHUꢀWKDQꢀ9/.2ꢃꢀ7KHꢀV\VWHP
PXVWꢀSURYLGHꢀWKHꢀSURSHUꢀVLJQDOVꢀWRꢀWKHꢀFRQWUROꢀLQSXWVꢀWRꢀSUHYHQWꢀXQLQWHQWLRQDOꢀZULWHVꢀZKHQꢀ9&&
LVꢀJUHDWHUꢀWKDQꢀ9/.2
ꢃ
ꢄꢅꢎꢆꢎꢒ :ULWHꢀ3XOVHꢀ³*OLWFKꢀ3URWHFWLRQ´
1RLVHꢀSXOVHVꢀRIꢀOHVVꢀWKDQꢀꢑꢀQVꢀꢁW\SLFDOꢂꢀRQꢀ2(ꢔꢄꢀ&(ꢔꢀRUꢀ:(ꢔꢀGRꢀQRWꢀLQLWLDWHꢀDꢀZULWHꢀF\FOHꢃ
ꢄꢅꢎꢆꢎꢉ 3RZHUꢇ8Sꢀ:ULWHꢀ,QKLELW
,Iꢀ:(ꢔꢀ ꢀ&(ꢔꢀ ꢀ5(6(7ꢔꢀ ꢀ9,/ꢀDQGꢀ2(ꢔꢀ ꢀ9,+ꢀGXULQJꢀSRZHUꢀXSꢄꢀWKHꢀGHYLFHꢀGRHVꢀQRWꢀDFFHSW
FRPPDQGVꢀRQꢀWKHꢀULVLQJꢀHGJHꢀRIꢀ:(ꢔꢃꢀ7KHꢀLQWHUQDOꢀVWDWHꢀPDFKLQHꢀLVꢀDXWRPDWLFDOO\ꢀUHVHWꢀWRꢀWKH
UHDGꢀPRGHꢀRQꢀSRZHUꢅXSꢃ
December 3, 2005 S29WS-N_m0_I0
67
P r e l i m i n a r y
14 Power Conservation Modes
14.1 Standby Mode
:KHQꢀWKHꢀV\VWHPꢀLVꢀQRWꢀUHDGLQJꢀRUꢀZULWLQJꢀWRꢀWKHꢀGHYLFHꢄꢀLWꢀFDQꢀSODFHꢀWKHꢀGHYLFHꢀLQꢀWKHꢀVWDQGE\
PRGHꢃꢀ,QꢀWKLVꢀPRGHꢄꢀFXUUHQWꢀFRQVXPSWLRQꢀLVꢀJUHDWO\ꢀUHGXFHGꢄꢀDQGꢀWKHꢀRXWSXWVꢀDUHꢀSODFHGꢀLQꢀWKH
KLJKꢀLPSHGDQFHꢀVWDWHꢄꢀLQGHSHQGHQWꢀRIꢀWKHꢀ2(ꢔꢀLQSXWꢃꢀ7KHꢀGHYLFHꢀHQWHUVꢀWKHꢀ&026ꢀVWDQGE\ꢀPRGH
ZKHQꢀWKHꢀ&(ꢔꢀDQGꢀ5(6(7ꢔꢀLQSXWVꢀDUHꢀERWKꢀKHOGꢀDWꢀ9&&ꢀꢀꢌꢃꢏꢀ9ꢃꢀ7KHꢀGHYLFHꢀUHTXLUHVꢀVWDQGDUG
DFFHVVꢀWLPHꢀꢁW&(ꢂꢀIRUꢀUHDGꢀDFFHVVꢄꢀEHIRUHꢀLWꢀLVꢀUHDG\ꢀWRꢀUHDGꢀGDWDꢃꢀ,IꢀWKHꢀGHYLFHꢀLVꢀGHVHOHFWHGꢀGXUꢅ
LQJꢀHUDVXUHꢀRUꢀSURJUDPPLQJꢄꢀWKHꢀGHYLFHꢀGUDZVꢀDFWLYHꢀFXUUHQWꢀXQWLOꢀWKHꢀRSHUDWLRQꢀLVꢀFRPSOHWHGꢃ
,
&&ꢑꢀLQꢀ³'&ꢀ&KDUDFWHULVWLFV´ꢀUHSUHVHQWVꢀWKHꢀVWDQGE\ꢀFXUUHQWꢀVSHFLILFDWLRQ
14.2 Automatic Sleep Mode
7KHꢀDXWRPDWLFꢀVOHHSꢀPRGHꢀPLQLPL]HVꢀ)ODVKꢀGHYLFHꢀHQHUJ\ꢀFRQVXPSWLRQꢀZKLOHꢀLQꢀDV\QFKURQRXV
PRGHꢃꢀWKHꢀGHYLFHꢀDXWRPDWLFDOO\ꢀHQDEOHVꢀWKLVꢀPRGHꢀZKHQꢀDGGUHVVHVꢀUHPDLQꢀVWDEOHꢀIRUꢀW$&&ꢀꢐꢀꢏꢌ
QVꢃꢀ7KHꢀDXWRPDWLFꢀVOHHSꢀPRGHꢀLVꢀLQGHSHQGHQWꢀRIꢀWKHꢀ&(ꢔꢄꢀ:(ꢔꢄꢀDQGꢀ2(ꢔꢀFRQWUROꢀVLJQDOVꢃꢀ6WDQꢅ
GDUGꢀDGGUHVVꢀDFFHVVꢀWLPLQJVꢀSURYLGHꢀQHZꢀGDWDꢀZKHQꢀDGGUHVVHVꢀDUHꢀFKDQJHGꢃꢀ:KLOHꢀLQꢀVOHHS
PRGHꢄꢀRXWSXWꢀGDWDꢀLVꢀODWFKHGꢀDQGꢀDOZD\VꢀDYDLODEOHꢀWRꢀWKHꢀV\VWHPꢃꢀ:KLOHꢀLQꢀV\QFKURQRXVꢀPRGHꢄ
WKHꢀDXWRPDWLFꢀVOHHSꢀPRGHꢀLVꢀGLVDEOHGꢃꢀ1RWHꢀWKDWꢀDꢀQHZꢀEXUVWꢀRSHUDWLRQꢀLVꢀUHTXLUHGꢀWRꢀSURYLGHꢀQHZ
GDWDꢃꢀ,&&ꢎꢀLQꢀ'&ꢀ&KDUDFWHULVWLFVꢀꢁ&026ꢀ&RPSDWLEOHꢂꢀUHSUHVHQWVꢀWKHꢀDXWRPDWLFꢀVOHHSꢀPRGHꢀFXUꢅ
UHQWꢀVSHFLILFDWLRQꢃ
14.3 Hardware RESET# Input Operation
7KHꢀ5(6(7ꢔꢀLQSXWꢀSURYLGHVꢀDꢀKDUGZDUHꢀPHWKRGꢀRIꢀUHVHWWLQJꢀWKHꢀGHYLFHꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃ
:KHQꢀ5(6(7ꢔꢀLVꢀGULYHQꢀORZꢀIRUꢀDWꢀOHDVWꢀDꢀSHULRGꢀRIꢀW53ꢄꢀWKHꢀGHYLFHꢀLPPHGLDWHO\ꢀWHUPLQDWHVꢀDQ\
RSHUDWLRQꢀLQꢀSURJUHVVꢄꢀWULVWDWHVꢀDOOꢀRXWSXWVꢄꢀUHVHWVꢀWKHꢀFRQILJXUDWLRQꢀUHJLVWHUꢄꢀDQGꢀLJQRUHVꢀDOOꢀUHDGꢒ
ZULWHꢀFRPPDQGVꢀIRUꢀWKHꢀGXUDWLRQꢀRIꢀWKHꢀ5(6(7ꢔꢀSXOVHꢃꢀ7KHꢀGHYLFHꢀDOVRꢀUHVHWVꢀWKHꢀLQWHUQDOꢀVWDWH
PDFKLQHꢀWRꢀUHDGLQJꢀDUUD\ꢀGDWDꢃꢀ7KHꢀRSHUDWLRQꢀWKDWꢀZDVꢀLQWHUUXSWHGꢀVKRXOGꢀEHꢀUHLQLWLDWHGꢀRQFHꢀWKH
GHYLFHꢀLVꢀUHDG\ꢀWRꢀDFFHSWꢀDQRWKHUꢀFRPPDQGꢀVHTXHQFHꢀWRꢀHQVXUHꢀGDWDꢀLQWHJULW\ꢃꢀ
:KHQꢀ5(6(7ꢔꢀLVꢀKHOGꢀDWꢀ966ꢀꢀꢌꢃꢏꢀ9ꢄꢀWKHꢀGHYLFHꢀGUDZVꢀ&026ꢀVWDQGE\ꢀFXUUHQWꢀꢁ,&&ꢍꢂꢃꢀ,Iꢀ5(6(7ꢔ
LVꢀKHOGꢀDWꢀ9,/ꢀEXWꢀQRWꢀZLWKLQꢀ966ꢀꢀꢌꢃꢏꢀ9ꢄꢀWKHꢀVWDQGE\ꢀFXUUHQWꢀLVꢀJUHDWHUꢃ
5(6(7ꢔꢀPD\ꢀEHꢀWLHGꢀWRꢀWKHꢀV\VWHPꢀUHVHWꢀFLUFXLWU\ꢀDQGꢀWKXVꢄꢀDꢀV\VWHPꢀUHVHWꢀZRXOGꢀDOVRꢀUHVHWꢀWKH
)ODVKꢀPHPRU\ꢄꢀHQDEOLQJꢀWKHꢀV\VWHPꢀWRꢀUHDGꢀWKHꢀERRWꢅXSꢀILUPZDUHꢀIURPꢀWKHꢀ)ODVKꢀPHPRU\ꢃ
14.4 Output Disable (OE#)
:KHQꢀWKHꢀ2(ꢔꢀLQSXWꢀLVꢀDWꢀ9,+ꢄꢀRXWSXWꢀIURPꢀWKHꢀGHYLFHꢀLVꢀGLVDEOHGꢃꢀ7KHꢀRXWSXWVꢀDUHꢀSODFHGꢀLQꢀWKH
KLJKꢀLPSHGDQFHꢀVWDWHꢃ
68
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
15 Secured Silicon Sector Flash Memory Region
7KHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀSURYLGHVꢀDQꢀH[WUDꢀ)ODVKꢀPHPRU\ꢀUHJLRQꢀWKDWꢀHQDEOHVꢀSHUPDQHQWꢀSDUW
LGHQWLILFDWLRQꢀWKURXJKꢀDQꢀ(OHFWURQLFꢀ6HULDOꢀ1XPEHUꢀꢁ(61ꢂꢃꢀ7KHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀꢏꢊꢎ
ZRUGVꢀLQꢀOHQJWKꢀWKDWꢀFRQVLVWVꢀRIꢀꢇꢏꢋꢀZRUGVꢀIRUꢀIDFWRU\ꢀGDWDꢀDQGꢀꢇꢏꢋꢀZRUGVꢀIRUꢀFXVWRPHUꢅVHFXUHG
DUHDVꢃꢀ$OOꢀ6HFXUHGꢀ6LOLFRQꢀUHDGVꢀRXWVLGHꢀRIꢀWKHꢀꢏꢊꢎꢅZRUGꢀDGGUHVVꢀUDQJHꢀUHWXUQVꢀLQYDOLGꢀGDWDꢃꢀ7KH
)DFWRU\ꢀ,QGLFDWRUꢀ%LWꢄꢀ'4ꢈꢄꢀꢁDWꢀ$XWRVHOHFWꢀDGGUHVVꢀꢌꢑKꢂꢀLVꢀXVHGꢀWRꢀLQGLFDWHꢀZKHWKHUꢀRUꢀQRWꢀWKH
)DFWRU\ꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀORFNHGꢀZKHQꢀVKLSSHGꢀIURPꢀWKHꢀIDFWRU\ꢃꢀ7KHꢀ&XVWRPHUꢀ,QGLFDWRU
%LWꢀꢁ'4ꢎꢂꢀLVꢀXVHGꢀWRꢀLQGLFDWHꢀZKHWKHUꢀRUꢀQRWꢀWKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀORFNHGꢀZKHQ
VKLSSHGꢀIURPꢀWKHꢀIDFWRU\ꢃꢀ
3OHDVHꢀQRWHꢀWKHꢀIROORZLQJꢀJHQHUDOꢀFRQGLWLRQVꢆ
:KLOHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀDFFHVVꢀLVꢀHQDEOHGꢄꢀVLPXOWDQHRXVꢀRSHUDWLRQVꢀDUHꢀDOORZHGꢀH[FHSW
IRUꢀ%DQNꢀꢌꢃꢀ
2QꢀSRZHUꢅXSꢄꢀRUꢀIROORZLQJꢀDꢀKDUGZDUHꢀUHVHWꢄꢀWKHꢀGHYLFHꢀUHYHUWVꢀWRꢀVHQGLQJꢀFRPPDQGVꢀWRꢀWKH
QRUPDOꢀDGGUHVVꢀVSDFHꢃꢀ
5HDGVꢀFDQꢀEHꢀSHUIRUPHGꢀLQꢀWKHꢀ$V\QFKURQRXVꢀRUꢀ6\QFKURQRXVꢀPRGHꢃꢀ
%XUVWꢀPRGHꢀUHDGVꢀZLWKLQꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀZUDSꢀIURPꢀDGGUHVVꢀ))KꢀEDFNꢀWRꢀDGGUHVVꢀꢌꢌKꢃꢀ
5HDGVꢀRXWVLGHꢀRIꢀVHFWRUꢀꢌꢀUHWXUQꢀPHPRU\ꢀDUUD\ꢀGDWDꢃꢀ
&RQWLQXRXVꢀEXUVWꢀUHDGꢀSDVWꢀWKHꢀPD[LPXPꢀDGGUHVVꢀLVꢀXQGHILQHGꢃ
6HFWRUꢀꢌꢀLVꢀUHPDSSHGꢀIURPꢀPHPRU\ꢀDUUD\ꢀWRꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀDUUD\ꢃꢀ
2QFHꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ(QWU\ꢀ&RPPDQGꢀLVꢀLVVXHGꢄꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ([LW
FRPPDQGꢀPXVWꢀEHꢀLVVXHGꢀWRꢀH[LWꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ0RGHꢃ
7KHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀQRWꢀDFFHVVLEOHꢀZKHQꢀWKHꢀGHYLFHꢀLVꢀH[HFXWLQJꢀDQꢀ(PEHGGHGꢀ3URꢅ
JUDPꢀRUꢀ(PEHGGHGꢀ(UDVHꢀDOJRULWKPꢃꢀ
Table 15.1 Secured Silicon Sector Addresses
Sector
&XVWRPHU
)DFWRU\
Sector Size
ꢇꢏꢋꢀZRUGV
ꢇꢏꢋꢀZRUGV
Address Range
ꢌꢌꢌꢌꢋꢌKꢅꢌꢌꢌꢌ))K
ꢌꢌꢌꢌꢌꢌKꢅꢌꢌꢌꢌꢈ)K
15.1 Factory Secured SiliconSector
7KHꢀ)DFWRU\ꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀDOZD\VꢀSURWHFWHGꢀZKHQꢀVKLSSHGꢀIURPꢀWKHꢀIDFWRU\ꢀDQGꢀKDV
WKHꢀ)DFWRU\ꢀ,QGLFDWRUꢀ%LWꢀꢁ'4ꢈꢂꢀSHUPDQHQWO\ꢀVHWꢀWRꢀDꢀ³ꢇ´ꢃꢀ7KLVꢀSUHYHQWVꢀFORQLQJꢀRIꢀDꢀIDFWRU\ꢀORFNHG
SDUWꢀDQGꢀHQVXUHVꢀWKHꢀVHFXULW\ꢀRIꢀWKHꢀ(61ꢀDQGꢀFXVWRPHUꢀFRGHꢀRQFHꢀWKHꢀSURGXFWꢀLVꢀVKLSSHGꢀWRꢀWKH
ILHOGꢃꢀ
7KHVHꢀGHYLFHVꢀDUHꢀDYDLODEOHꢀSUHꢀSURJUDPPHGꢀZLWKꢀRQHꢀRIꢀWKHꢀIROORZLQJꢆ
$ꢀUDQGRPꢄꢀꢋꢀ:RUGꢀVHFXUHꢀ(61ꢀRQO\ꢀZLWKLQꢀWKHꢀ)DFWRU\ꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRU
&XVWRPHUꢀFRGHꢀZLWKLQꢀWKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀWKURXJKꢀWKHꢀ6SDQVLRQ ꢀSURJUDPꢅ
PLQJꢀVHUYLFHꢃ
%RWKꢀDꢀUDQGRPꢄꢀVHFXUHꢀ(61ꢀDQGꢀFXVWRPHUꢀFRGHꢀWKURXJKꢀWKHꢀ6SDQVLRQꢀSURJUDPPLQJꢀVHUYLFHꢃ
&XVWRPHUVꢀPD\ꢀRSWꢀWRꢀKDYHꢀWKHLUꢀFRGHꢀSURJUDPPHGꢀWKURXJKꢀWKHꢀ6SDQVLRQꢀSURJUDPPLQJꢀVHUꢅ
YLFHVꢃꢀ6SDQVLRQꢀSURJUDPVꢀWKHꢀFXVWRPHUꢗVꢀFRGHꢄꢀZLWKꢀRUꢀZLWKRXWꢀWKHꢀUDQGRPꢀ(61ꢃꢀ7KHꢀGHYLFHVꢀDUH
WKHQꢀVKLSSHGꢀIURPꢀWKHꢀ6SDQVLRQꢀIDFWRU\ꢀZLWKꢀWKHꢀ)DFWRU\ꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀDQGꢀ&XVWRPHU
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀSHUPDQHQWO\ꢀORFNHGꢃꢀ&RQWDFWꢀ\RXUꢀORFDOꢀUHSUHVHQWDWLYHꢀIRUꢀGHWDLOVꢀRQꢀXVLQJ
6SDQVLRQꢀSURJUDPPLQJꢀVHUYLFHVꢃꢀ
December 3, 2005 S29WS-N_m0_I0
69
P r e l i m i n a r y
15.2 Customer Secured Silicon Sector
7KHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀW\SLFDOO\ꢀVKLSSHGꢀXQSURWHFWHGꢀꢁ'4ꢎꢀVHWꢀWRꢀ³ꢌ´ꢂꢄꢀDOORZLQJ
FXVWRPHUVꢀWRꢀXWLOL]HꢀWKDWꢀVHFWRUꢀLQꢀDQ\ꢀPDQQHUꢀWKH\ꢀFKRRVHꢃꢀ,IꢀWKHꢀVHFXULW\ꢀIHDWXUHꢀLVꢀQRWꢀUHTXLUHGꢄ
WKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀFDQꢀEHꢀWUHDWHGꢀDVꢀDQꢀDGGLWLRQDOꢀ)ODVKꢀPHPRU\ꢀVSDFHꢃꢀ
3OHDVHꢀQRWHꢀWKHꢀIROORZLQJꢆ
2QFHꢀWKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀDUHDꢀLVꢀSURWHFWHGꢄꢀWKHꢀ&XVWRPHUꢀ,QGLFDWRUꢀ%LWꢀLV
SHUPDQHQWO\ꢀVHWꢀWRꢀ³ꢇꢃ´
7KHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀFDQꢀEHꢀUHDGꢀDQ\ꢀQXPEHUꢀRIꢀWLPHVꢄꢀEXWꢀFDQꢀEHꢀSURꢅ
JUDPPHGꢀDQGꢀORFNHGꢀRQO\ꢀRQFHꢃꢀ7KHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀORFNꢀPXVWꢀEHꢀXVHGꢀZLWK
FDXWLRQꢀDVꢀRQFHꢀORFNHGꢄꢀWKHUHꢀLVꢀQRꢀSURFHGXUHꢀDYDLODEOHꢀIRUꢀXQORFNLQJꢀWKHꢀ&XVWRPHUꢀ6HFXUHG
6LOLFRQꢀ6HFWRUꢀDUHDꢀDQGꢀQRQHꢀRIꢀWKHꢀELWVꢀLQꢀWKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀPHPRU\
VSDFHꢀFDQꢀEHꢀPRGLILHGꢀLQꢀDQ\ꢀZD\ꢃ
7KHꢀDFFHOHUDWHGꢀSURJUDPPLQJꢀꢁ$&&ꢂꢀDQGꢀXQORFNꢀE\SDVVꢀIXQFWLRQVꢀDUHꢀQRWꢀDYDLODEOHꢀZKHQ
SURJUDPPLQJꢀWKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢄꢀEXWꢀUHDGLQJꢀLQꢀ%DQNVꢀꢇꢀWKURXJKꢀꢇꢊꢀLV
DYDLODEOHꢃꢀ
2QFHꢀWKHꢀ&XVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀLVꢀORFNHGꢀDQGꢀYHULILHGꢄꢀWKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKH
([LWꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ5HJLRQꢀFRPPDQGꢀVHTXHQFHꢀZKLFKꢀUHWXUQꢀWKHꢀGHYLFHꢀWRꢀWKHꢀPHPꢅ
RU\ꢀDUUD\ꢀDWꢀVHFWRUꢀꢌꢃ
15.3 Secured Silicon Sector Entry/Exit Command Sequences
7KHꢀV\VWHPꢀFDQꢀDFFHVVꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀUHJLRQꢀE\ꢀLVVXLQJꢀWKHꢀWKUHHꢅF\FOHꢀ(QWHUꢀ6Hꢅ
FXUHGꢀ6LOLFRQꢀ6HFWRUꢀFRPPDQGꢀVHTXHQFHꢃꢀ7KHꢀGHYLFHꢀFRQWLQXHVꢀWRꢀDFFHVVꢀWKHꢀ6HFXUHGꢀ6LOLFRQ
6HFWRUꢀUHJLRQꢀXQWLOꢀWKHꢀV\VWHPꢀLVVXHVꢀWKHꢀIRXUꢅF\FOHꢀ([LWꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀFRPPDQG
VHTXHQFHꢃꢀ
6HHꢀ&RPPDQGꢀ'HILQLWLRQꢀ7DEOHꢀ>6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ&RPPDQGꢀ7DEOHꢄꢀ$SSHQGL[ꢀ
7DEOHꢀꢇꢈꢃꢇꢀIRUꢀDGGUHVVꢀDQGꢀGDWDꢀUHTXLUHPHQWVꢀIRUꢀERWKꢀFRPPDQGꢀVHTXHQFHVꢃ
7KHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ(QWU\ꢀ&RPPDQGꢀDOORZVꢀWKHꢀIROORZLQJꢀFRPPDQGVꢀWRꢀEHꢀH[HFXWHG
5HDGꢀFXVWRPHUꢀDQGꢀIDFWRU\ꢀ6HFXUHGꢀ6LOLFRQꢀDUHDV
3URJUDPꢀWKHꢀFXVWRPHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRU
$IWHUꢀWKHꢀV\VWHPꢀKDVꢀZULWWHQꢀWKHꢀ(QWHUꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀFRPPDQGꢀVHTXHQFHꢄꢀLWꢀPD\ꢀUHDG
WKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀE\ꢀXVLQJꢀWKHꢀDGGUHVVHVꢀQRUPDOO\ꢀRFFXSLHGꢀE\ꢀVHFWRUꢀ6$ꢌꢀZLWKLQꢀWKH
PHPRU\ꢀDUUD\ꢃꢀ7KLVꢀPRGHꢀRIꢀRSHUDWLRQꢀFRQWLQXHVꢀXQWLOꢀWKHꢀV\VWHPꢀLVVXHVꢀWKHꢀ([LWꢀ6HFXUHGꢀ6LOLFRQ
6HFWRUꢀFRPPDQGꢀVHTXHQFHꢄꢀRUꢀXQWLOꢀSRZHUꢀLVꢀUHPRYHGꢀIURPꢀWKHꢀGHYLFHꢃꢀ
Software Functions and Sample Code
7KHꢀIROORZLQJꢀDUHꢀ&ꢀIXQFWLRQVꢀDQGꢀVRXUFHꢀFRGHꢀH[DPSOHVꢀRIꢀXVLQJꢀWKHꢀ6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀ(QWU\ꢄ
3URJUDPꢄꢀDQGꢀH[LWꢀFRPPDQGVꢃꢀ5HIHUꢀWRꢀWKHꢀ6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOH
VRRQꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRUꢀJHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\
VRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
70
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 15.2. Secured Silicon Sector Entry
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB6HF6L6HFWRU(QWU\&PGꢂ
Cycle
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
Data
8QORFNꢀ&\FOHꢀꢇ
8QORFNꢀ&\FOHꢀꢏ
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢋꢋK
:ULWH
(QWU\ꢀ&\FOH
:ULWH
Ir)ꢂ%DVHꢂ ꢂ%DVHꢂ$GGUHVVꢁ
/* Example: SecSi Sector Entry Command */
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)base_addr + 0x555 ) = 0x0088;
/* write unlock cycle 1
/* write unlock cycle 2
/* write Secsi Sector Entry Cmd
*/
*/
*/
Table 15.3. Secured Silicon Sector Program
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB3URJUDP&PGꢂ
Cycle
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
:RUGꢀ$GGUHVV
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
:RUGꢀ$GGUHVV
Data
ꢌꢌ$$K
8QORFNꢀ&\FOHꢀꢇ
8QORFNꢀ&\FOHꢀꢏ
3URJUDPꢀ6HWXS
:ULWH
ꢌꢌꢊꢊK
:ULWH
ꢌꢌ$ꢌK
3URJUDP
:ULWH
'DWDꢀ:RUG
Ir)ꢂ%DVHꢂ ꢂ%DVHꢂ$GGUHVVꢁ
/* Once in the SecSi Sector mode, you program */
/* words using the programming algorithm. */
Table 15.4. Secured Silicon Sector Exit
ꢁ//'ꢀ)XQFWLRQꢀ ꢀOOGB6HF6L6HFWRU([LW&PGꢂ
Cycle
Operation
:ULWH
Byte Address
%DVHꢀꢐꢀ$$$K
%DVHꢀꢐꢀꢊꢊꢍK
%DVHꢀꢐꢀ$$$K
Word Address
%DVHꢀꢐꢀꢊꢊꢊK
%DVHꢀꢐꢀꢏ$$K
%DVHꢀꢐꢀꢊꢊꢊK
Data
8QORFNꢀ&\FOHꢀꢇ
8QORFNꢀ&\FOHꢀꢏ
ꢌꢌ$$K
ꢌꢌꢊꢊK
ꢌꢌꢉꢌK
:ULWH
([LWꢀ&\FOH
:ULWH
Ir)ꢂ%DVHꢂ ꢂ%DVHꢂ$GGUHVVꢁ
/* Example: SecSi Sector Exit Command */
*( (UINT16 *)base_addr + 0x555 ) = 0x00AA;
*( (UINT16 *)base_addr + 0x2AA ) = 0x0055;
*( (UINT16 *)base_addr + 0x555 ) = 0x0090;
*( (UINT16 *)base_addr + 0x000 ) = 0x0000;
/* write unlock cycle 1
/* write unlock cycle 2
/* write SecSi Sector Exit cycle 3 */
/* write SecSi Sector Exit cycle 4 */
*/
*/
December 3, 2005 S29WS-N_m0_I0
71
P r e l i m i n a r y
16 Electrical Specifications
16.1 Absolute Maximum Ratings
6WRUDJHꢀ7HPSHUDWXUH
3ODVWLFꢀ3DFNDJHVꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ±ꢎꢊ&ꢀWRꢀꢐꢇꢊꢌ&
$PELHQWꢀ7HPSHUDWXUH
ZLWKꢀ3RZHUꢀ$SSOLHGꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ±ꢎꢊ&ꢀWRꢀꢐꢇꢏꢊ&
9ROWDJHꢀZLWKꢀ5HVSHFWꢀWRꢀ*URXQGꢆ
$OOꢀ,QSXWVꢀDQGꢀ,ꢒ2VꢀH[FHSWꢀ
DVꢀQRWHGꢀEHORZꢀꢁ1RWHꢀꢇꢂ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ±ꢌꢃꢊꢀ9ꢀWRꢀ9&&ꢀꢐꢀꢌꢃꢊꢀ9
9
&&ꢀꢁ1RWHꢀꢇꢂꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀ±ꢌꢃꢊꢀ9ꢀWRꢀꢐꢏꢃꢊꢀ9
$&&ꢀꢁ1RWHꢀꢏꢂꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀ±ꢌꢃꢊꢀ9ꢀWRꢀꢐꢉꢃꢊꢀ9
2XWSXWꢀ6KRUWꢀ&LUFXLWꢀ&XUUHQWꢀꢁ1RWHꢀꢑꢂꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀ ꢇꢌꢌꢀP$
Ir)
ꢀꢁ 0LQLPXPꢂ'&ꢂYROWDJHꢂRQꢂLQSXWꢂRUꢂ,ꢍ2VꢂLVꢂ±ꢈꢁꢉꢂ9ꢁꢂ'XULQJꢂYROWDJHꢂWUDQVLWLRQVꢄꢂLQSXWVꢂRUꢂ
,ꢍ2VꢂPD\ꢂXQGHUVKRRWꢂ966ꢂWRꢂ±ꢆꢁꢈꢂ9ꢂIRUꢂSHULRGVꢂRIꢂXSꢂWRꢂꢆꢈꢂQVꢁꢂ6HHꢂ)LJXUHꢂꢀꢌꢁꢀꢁꢂ
0D[LPXPꢂ'&ꢂYROWDJHꢂRQꢂLQSXWꢂRUꢂ,ꢍ2VꢂLVꢂ9&&ꢂꢓꢂꢈꢁꢉꢂ9ꢁꢂ'XULQJꢂYROWDJHꢂWUDQVLWLRQVꢂ
RXWSXWVꢂPD\ꢂRYHUVKRRWꢂWRꢂ9&&ꢂꢓꢂꢆꢁꢈꢂ9ꢂIRUꢂSHULRGVꢂXSꢂWRꢂꢆꢈꢂQVꢁꢂ6HHꢂ)LJXUHꢂꢀꢌꢁꢆꢁ
ꢆꢁ 0LQLPXPꢂ'&ꢂLQSXWꢂYROWDJHꢂRQꢂSLQꢂ$&&ꢂLVꢂꢃꢈꢁꢉ9ꢁꢂ'XULQJꢂYROWDJHꢂWUDQVLWLRQVꢄꢂ$&&ꢂPD\ꢂ
RYHUVKRRWꢂ966ꢂWRꢂ±ꢆꢁꢈꢂ9ꢂIRUꢂSHULRGVꢂRIꢂXSꢂWRꢂꢆꢈꢂQVꢁꢂ6HHꢂ)LJXUHꢂꢀꢌꢁꢀꢁꢂ0D[LPXPꢂ'&ꢂ
YROWDJHꢂRQꢂSLQꢂ$&&ꢂLVꢂꢓꢒꢁꢉꢂ9ꢄꢂZKLFKꢂPD\ꢂRYHUVKRRWꢂWRꢂꢀꢈꢁꢉꢂ9ꢂIRUꢂSHULRGVꢂXSꢂWRꢂꢆꢈꢂQVꢁꢂ
ꢊꢁ 1RꢂPRUHꢂWKDQꢂRQHꢂRXWSXWꢂPD\ꢂEHꢂVKRUWHGꢂWRꢂJURXQGꢂDWꢂDꢂWLPHꢁꢂ'XUDWLRQꢂRIꢂWKHꢂVKRUWꢂ
FLUFXLWꢂVKRXOGꢂQRWꢂEHꢂJUHDWHUꢂWKDQꢂRQHꢂVHFRQGꢁ
ꢎꢁ 6WUHVVHVꢂDERYHꢂWKRVHꢂOLVWHGꢂXQGHUꢂ³$EVROXWHꢂ0D[LPXPꢂ5DWLQJV´ꢂPD\ꢂFDXVHꢂSHUPDQHQWꢂ
GDPDJHꢂWRꢂWKHꢂGHYLFHꢁꢂ7KLVꢂLVꢂDꢂVWUHVVꢂUDWLQJꢂRQO\ꢇꢂIXQFWLRQDOꢂRSHUDWLRQꢂRIꢂWKHꢂGHYLFHꢂDWꢂ
WKHVHꢂRUꢂDQ\ꢂRWKHUꢂFRQGLWLRQVꢂDERYHꢂWKRVHꢂLQGLFDWHGꢂLQꢂWKHꢂRSHUDWLRQDOꢂVHFWLRQVꢂRIꢂWKLVꢂ
GDWDꢂVKHHWꢂLVꢂQRWꢂLPSOLHGꢁꢂ([SRVXUHꢂRIꢂWKHꢂGHYLFHꢂWRꢂDEVROXWHꢂPD[LPXPꢂUDWLQJꢂFRQGLWLRQVꢂ
IRUꢂH[WHQGHGꢂSHULRGVꢂPD\ꢂDIIHFWꢂGHYLFHꢂUHOLDELOLW\ꢁ
20 ns
20 ns
20 ns
VCC
+0.8 V
+2.0 V
VCC
+0.5 V
–0.5 V
–2.0 V
1.0 V
20 ns
20 ns
20 ns
Figure 16.1. Maximum Negative Overshoot
Waveform
Figure 16.2. Maximum Positive Overshoot
Waveform
Ir)7KHꢂFRQWHQWꢂLQꢂWKLVꢂGRFXPHQWꢂLVꢂ$GYDQFHꢂLQIRUPDWLRQꢂIRUꢂWKHꢂ6ꢆꢒ:6ꢀꢆꢑ1ꢁꢂ&RQWHQWꢂLQꢂWKLVꢂGRFXꢃ
PHQWꢂLVꢂ3UHOLPLQDU\ꢂIRUꢂWKHꢂ6ꢆꢒ:ꢆꢉꢌ1ꢁ
72
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
16.2 Operating Ranges
:LUHOHVVꢀꢂ:ꢃꢀ'HYLFHV
$PELHQWꢀ7HPSHUDWXUHꢀꢁ7$ꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀ ±ꢏꢊ&ꢀWRꢀꢐꢋꢊ&
6XSSO\ꢀ9ROWDJHV
9&&ꢀ6XSSO\ꢀ9ROWDJHV ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢐꢇꢃꢈꢌꢀ9ꢀWRꢀꢐꢇꢃꢉꢊꢀ9
Ir) 2SHUDWLQJꢂUDQJHVꢂGHILQHꢂWKRVHꢂOLPLWVꢂEHWZHHQꢂZKLFKꢂWKHꢂIXQFWLRQDOLW\ꢂRIꢂWKHꢂGHYLFHꢂ
LVꢂJXDUDQWHHGꢁ
16.3 Test Conditions
Device
Under
Test
C
L
Figure 16.3. Test Setup
Table 16.1 Test Specifications
Test Condition
All Speed Options
Unit
2XWSXWꢀ/RDGꢀ&DSDFLWDQFHꢄꢀ&/
ꢁLQFOXGLQJꢀMLJꢀFDSDFLWDQFHꢂꢀ
ꢑꢌ
S)
ꢑꢃꢌꢀ#ꢀꢊꢍꢄꢀꢎꢎꢀ0+]
ꢏꢃꢊꢀ#ꢀꢋꢌꢀ0+]
,QSXWꢀ5LVHꢀDQGꢀ)DOOꢀ7LPHV
,QSXWꢀ3XOVHꢀ/HYHOV
QV
ꢌꢃꢌ±9&&
9&&ꢒꢏ
9
9
,QSXWꢀWLPLQJꢀPHDVXUHPHQWꢀ
UHIHUHQFHꢀOHYHOV
2XWSXWꢀWLPLQJꢀPHDVXUHPHQWꢀ
UHIHUHQFHꢀOHYHOV
9&&ꢒꢏ
9
December 3, 2005 S29WS-N_m0_I0
73
P r e l i m i n a r y
16.4 Key to Switching Waveforms
Waveform
Inputs
Outputs
6WHDG\
&KDQJLQJꢀIURPꢀ+ꢀWRꢀ/
&KDQJLQJꢀIURPꢀ/ꢀWRꢀ+
'RQ¶Wꢀ&DUHꢄꢀ$Q\ꢀ&KDQJHꢀ3HUPLWWHG
'RHVꢀ1RWꢀ$SSO\
&KDQJLQJꢄꢀ6WDWHꢀ8QNQRZQ
&HQWHUꢀ/LQHꢀLVꢀ+LJKꢀ,PSHGDQFHꢀ6WDWHꢀꢁ+LJKꢀ=ꢂꢀ
16.5 Switching Waveforms
VCC
All Inputs and Outputs
VCC/2
VCC/2
Input
Measurement Level
Output
0.0 V
Figure 16.4. Input Waveforms and Measurement Levels
16.6 VCC Power-up
Parameter
Description
Test Setup
Speed
Unit
W9&6
9&&ꢀ6HWXSꢀ7LPH
0LQ
ꢇ
PV
Ir)
ꢀꢁ $OOꢂ9 ꢂVLJQDOVꢂPXVWꢂEHꢂUDPSHGꢂVLPXOWDQHRXVO\ꢂWRꢂHQVXUHꢂFRUUHFWꢂSRZHUꢃXSꢁ
&&
ꢆꢁ 6ꢆꢒ:6ꢀꢆꢑ1ꢔꢂꢂ9 ꢂUDPSꢂUDWHꢂLVꢂ!ꢂꢀ9ꢍꢂꢀꢈꢈ VꢂDQGꢂIRUꢂ9 ꢂUDPSꢂUDWHꢂRIꢂꢕꢂꢀ 9ꢂꢍꢂ
&&
&&
ꢀꢈꢈ VꢂDꢂKDUGZDUHꢂUHVHWꢂLVꢂUHTXLUHGꢁ
tVCS
VCC
RESET#
Figure 16.5. VCC Power-up Diagram
74
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
16.7 DC Characteristics (CMOS Compatible)
3DUDPHWHU
'HVFULSWLRQꢀꢂ1RWHVꢃ
7HVWꢀ&RQGLWLRQVꢀꢂ1RWHVꢀꢄꢑꢀꢏꢃ
0LQ
7\S
0D[
ꢇ
ꢇ
ꢊꢍ
ꢎꢌ
ꢎꢎ
ꢍꢋ
ꢊꢍ
ꢎꢌ
ꢍꢏ
ꢍꢋ
ꢊꢍ
ꢑꢎ
ꢍꢏ
ꢍꢋ
ꢍꢊ
ꢏꢎ
ꢈ
8QLW
$
,
,QSXWꢀ/RDGꢀ&XUUHQW
9,1ꢀ ꢀ966ꢀWRꢀ9&&ꢄꢀ9&&ꢀ ꢀ9&&PD[
/,
,
2XWSXWꢀ/HDNDJHꢀ&XUUHQWꢀꢁꢏꢂ 9287ꢀ ꢀ966ꢀWRꢀ9&&ꢄꢀ9&&ꢀ ꢀ9&&PD[
$
/2
ꢊꢍꢀ0+]
ꢏꢈ
ꢏꢋ
ꢑꢌ
ꢏꢋ
ꢑꢌ
ꢑꢏ
ꢏꢉ
ꢑꢏ
ꢑꢍ
ꢑꢏ
ꢑꢊ
ꢑꢋ
ꢑꢍ
ꢇꢈ
ꢍ
P$
P$
P$
P$
P$
P$
P$
P$
P$
P$
P$
P$
P$
P$
P$
$
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ
:(ꢔꢀ ꢀ9,+ꢄꢀEXUVWꢀOHQJWKꢀ ꢎꢎꢀ0+]
ꢀꢋ
ꢋꢌꢀ0+]
ꢊꢍꢀ0+]
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ
:(ꢔꢀ ꢀ9,+ꢄꢀEXUVWꢀOHQJWKꢀ ꢎꢎꢀ0+]
ꢀꢇꢎ
ꢋꢌꢀ0+]
,
9&&ꢀ$FWLYHꢀEXUVWꢀ5HDGꢀ&XUUHQW
&&%
ꢊꢍꢀ0+]
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ
:(ꢔꢀ ꢀ9,+ꢄꢀEXUVWꢀOHQJWKꢀ ꢎꢎꢀ0+]
ꢀꢑꢏ
ꢋꢌꢀ0+]
ꢊꢍꢀ0+]
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ
:(ꢔꢀ ꢀ9,+ꢄꢀEXUVWꢀOHQJWKꢀ ꢎꢎꢀ0+]
ꢀ&RQWLQXRXV
ꢋꢌꢀ0+]
ꢇꢌꢀ0+]
9&&ꢀ$FWLYHꢀ$V\QFKURQRXVꢀ
5HDGꢀ&XUUHQWꢀꢁꢑꢂ
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ
:(ꢔꢀ ꢀ9,+
,
ꢊꢀ0+]
ꢇꢀ0+]
9$&&
9&&
&&ꢇ
ꢇ
ꢊ
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ
$&&ꢀ ꢀ9,+
,
,
9&&ꢀ$FWLYHꢀ:ULWHꢀ&XUUHQWꢀꢁꢍꢂ
&&ꢏ
&&ꢑ
ꢏꢍ
ꢇ
ꢊꢏꢃꢊ
ꢊ
P$
$
9$&&
9&&
&(ꢔꢀ ꢀ5(6(7ꢔꢀ ꢀ
9&&ꢀꢀꢌꢃꢏꢀ9
9&&ꢀ6WDQGE\ꢀ&XUUHQWꢀꢁꢊꢄꢀꢎꢂ
9&&ꢀ5HVHWꢀ&XUUHQWꢀꢁꢎꢂ
ꢏꢌ
ꢈꢌ
ꢈꢌ
ꢏꢊꢌ
$
,
,
5(6(7ꢔꢀ ꢀ9,/ꢄꢀ&/.ꢀ ꢀ9,/
$
&&ꢍ
&&ꢊ
9&&ꢀ$FWLYHꢀ&XUUHQWꢀ
ꢁ5HDGꢀ:KLOHꢀ:ULWHꢂꢀꢁꢎꢂ
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄꢀ$&&ꢀ ꢀ9,+ꢀ#ꢀ
ꢊ 0+]
ꢊꢌ
ꢏ
ꢎꢌ
P$
,
,
9&&ꢀ6OHHSꢀ&XUUHQWꢀꢁꢎꢂ
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+
ꢈꢌ
ꢇꢏ
$
P$
P$
P$
9
&&ꢎ
&&ꢈ
9&&ꢀ3DJHꢀ0RGHꢀ5HDGꢀ&XUUHQW 2(ꢔꢀ ꢀ9,+ꢄꢀ&(ꢔꢀ ꢀ9,/
9$&&
9&&
ꢎ
ꢏꢌ
&(ꢔꢀ ꢀ9,/ꢄꢀ2(ꢔꢀ ꢀ9,+ꢄ
9$&&ꢀ ꢀꢉꢃꢊꢀ9
$FFHOHUDWHGꢀ3URJUDPꢀ&XUUHQWꢀ
ꢁꢈꢂ
,
$&&
ꢇꢍ
ꢏꢌ
9,/
9,+
92/
92+
,QSXWꢀ/RZꢀ9ROWDJH
,QSXWꢀ+LJKꢀ9ROWDJH
2XWSXWꢀ/RZꢀ9ROWDJH
2XWSXWꢀ+LJKꢀ9ROWDJH
9&&ꢀ ꢀꢇꢃꢋ 9
9&&ꢀ ꢀꢇꢃꢋ 9
±ꢌꢃꢊ
ꢌꢃꢍ
9&&ꢀ±ꢀꢌꢃꢍ
9&&ꢀꢐꢀꢌꢃꢍ
ꢌꢃꢇ
9
,
,
ꢀꢇꢌꢌꢀ$ꢄꢀ9&&ꢀ ꢀ9&& PLQꢀ
ꢀ
9
2/ꢀ
2+ꢀ ꢀ±ꢇꢌꢌꢀ$ꢄꢀ9&&ꢀ ꢀ9&& PLQꢀ
ꢀ
9&&ꢀ
ꢋꢃꢊ
ꢀ9
9ROWDJHꢀIRUꢀ$FFHOHUDWHGꢀ
3URJUDPꢀ
9++
9/.2
ꢉꢃꢊ
ꢇꢃꢍ
9
9
/RZꢀ9&&ꢀ/RFNꢅRXWꢀ9ROWDJH
Ir)
ꢀꢁ 0D[LPXPꢂ, ꢂVSHFLILFDWLRQVꢂDUHꢂWHVWHGꢂZLWKꢂ9 ꢂ ꢂ9 PD[ꢁ
&&
&&
&&
ꢆꢁ &(ꢅꢂPXVWꢂEHꢂVHWꢂKLJKꢂZKHQꢂPHDVXULQJꢂWKHꢂ5'<ꢂSLQꢁ
ꢊꢁ 7KHꢂ, ꢂFXUUHQWꢂOLVWHGꢂLVꢂW\SLFDOO\ꢂOHVVꢂWKDQꢂꢊꢁꢉꢂP$ꢍ0+]ꢄꢂZLWKꢂ2(ꢅꢂDWꢂ9
ꢁ
,+
&&
ꢎꢁ , ꢂDFWLYHꢂZKLOHꢂ(PEHGGHGꢂ(UDVHꢂRUꢂ(PEHGGHGꢂ3URJUDPꢂLVꢂLQꢂSURJUHVVꢁ
&&
ꢉꢁ 'HYLFHꢂHQWHUVꢂDXWRPDWLFꢂVOHHSꢂPRGHꢂZKHQꢂDGGUHVVHVꢂDUHꢂVWDEOHꢂIRUꢂW ꢂꢓꢂꢆꢈꢂQVꢁꢂ
$&&
7\SLFDOꢂVOHHSꢂPRGHꢂFXUUHQWꢂLVꢂHTXDOꢂWRꢂ,
ꢁ
&&ꢊ
ꢌꢁ 9 ꢂ ꢂ9 ꢂꢂꢈꢁꢆꢂ9ꢂDQGꢂ9 ꢂ!ꢂ±ꢈꢁꢀꢂ9ꢁ
,+
&&
,/
ꢋꢁ 7RWDOꢂFXUUHQWꢂGXULQJꢂDFFHOHUDWHGꢂSURJUDPPLQJꢂLVꢂWKHꢂVXPꢂRIꢂ9
FXUUHQWVꢁ
ꢂDQGꢂ9
ꢂ
&&
$&&
ꢑꢁ 9 ꢂ ꢂ9 ꢂRQꢂ$&&ꢂLQSXWꢁ
$&&
++
December 3, 2005 S29WS-N_m0_I0
75
P r e l i m i n a r y
16.8 AC Characteristics
ꢄꢊꢎꢏꢎꢄ &/.ꢀ&KDUDFWHUL]DWLRQ
Parameter
I&/.
Description
&/.ꢀ)UHTXHQF\
54 MHz
66 MHz
ꢎꢎ
80 MHz
ꢋꢌ
Unit
0+]
QV
0D[
0LQ
ꢊꢍ
W&/.
W&+
&/.ꢀ3HULRG
ꢇꢋꢃꢊ
ꢇꢊꢃꢇ
ꢇꢏꢃꢊ
&/.ꢀ+LJKꢀ7LPH
&/.ꢀ/RZꢀ7LPH
&/.ꢀ5LVHꢀ7LPH
&/.ꢀ)DOOꢀ7LPH
0LQ
ꢈꢃꢍ
ꢑ
ꢎꢃꢇ
ꢑ
ꢊꢃꢌ
ꢏꢃꢊ
QV
QV
W&/
W&5
0D[
W&)
Ir) 1RWꢂꢀꢈꢈꢖꢂWHVWHGꢁꢂ
t
CLK
t
t
CH
CL
CLK
t
t
CF
CR
Figure 16.6. CLK Characterization
76
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢊꢎꢏꢎꢈ 6\QFKURQRXVꢌ%XUVWꢀ5HDG
Parameter
JEDEC
Standard
Description
54 MHz
66 MHz
ꢋꢌ
80 MHz
Unit
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
0+]
W,$&&
W%$&&
W$&6
W$&+
W%'+
W&5
/DWHQF\
0D[
%XUVWꢀ$FFHVVꢀ7LPHꢀ9DOLGꢀ&ORFNꢀWRꢀ2XWSXWꢀ'HOD\ 0D[
ꢇꢑꢃꢊ
ꢊ
ꢇꢇꢃꢏ
ꢉ
$GGUHVVꢀ6HWXSꢀ7LPHꢀWRꢀ&/.ꢀꢁ1RWHꢀꢇꢂ
$GGUHVVꢀ+ROGꢀ7LPHꢀIURPꢀ&/.ꢀꢁ1RWHꢀꢇꢂ
'DWDꢀ+ROGꢀ7LPHꢀIURPꢀ1H[Wꢀ&ORFNꢀ&\FOH
&KLSꢀ(QDEOHꢀWRꢀ5'<ꢀ9DOLGꢀ
2XWSXWꢀ(QDEOHꢀWRꢀ2XWSXWꢀ9DOLG
&KLSꢀ(QDEOHꢀWRꢀ+LJKꢀ=ꢀꢁ1RWHꢀꢏꢂ
2XWSXWꢀ(QDEOHꢀWRꢀ+LJKꢀ=ꢀꢁ1RWHꢀꢏꢂ
&(ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ&/.
0LQ
0LQ
0LQ
0D[
0D[
0D[
0D[
0LQ
0LQ
0D[
0LQ
0LQ
0LQ
0LQ
0LQ
ꢍ
ꢎ
ꢑ
ꢈ
ꢍ
ꢇꢑꢃꢊ
ꢇꢑꢃꢊ
ꢇꢇꢃꢏ
ꢉ
W2(
ꢇꢇꢃꢏ
W&(=
W2(=
W&(6
W5'<6
W5$&&
W&$6
W$9&
W$9'
W$9'+
I&/.
ꢇꢌ
ꢇꢌ
ꢍ
5'<ꢀ6HWXSꢀ7LPHꢀWRꢀ&/.
ꢊ
ꢍ
ꢑꢃꢊ
ꢋꢃꢊ
5HDG\ꢀ$FFHVVꢀ7LPHꢀIURPꢀ&/.
&(ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ$9'ꢔꢀ
$9'ꢔꢀ/RZꢀWRꢀ&/.
ꢇꢑꢃꢊ
ꢇꢇꢃꢏ
ꢌ
ꢍ
$9'ꢔꢀ3XOVH
ꢈ
$9'ꢔꢀ+ROG
ꢑ
0LQLPXPꢀFORFNꢀIUHTXHQF\
ꢇ
ꢇ
ꢇ
Ir)
ꢀꢁ $GGUHVVHVꢂDUHꢂODWFKHGꢂRQꢂWKHꢂILUVWꢂULVLQJꢂHGJHꢂRIꢂ&/.ꢁ
ꢆꢁ 1RWꢂꢀꢈꢈꢖꢂWHVWHGꢁ
Table 16.2 Synchronous Wait State Requirements
0D[ꢀ)UHTXHQF\
:DLWꢀ6WDWHꢀ5HTXLUHPHQW
ꢌꢇ 0+]ꢀꢙꢀ)UHTꢃꢀ≤ꢀꢇꢍ 0+]
ꢇꢍ 0+]ꢀꢙꢀ)UHTꢃꢀ≤ꢀꢏꢈ 0+]
ꢏꢈ 0+]ꢀꢙꢀ)UHTꢃꢀ≤ꢀꢍꢌ 0+]
ꢍꢌ 0+]ꢀꢙꢀ)UHTꢃꢀ≤ꢀꢊꢍ 0+]
ꢊꢍ 0+]ꢀꢙꢀ)UHTꢃꢀ≤ꢀꢎꢈ 0+]
ꢎꢈ 0+]ꢀꢙꢀ)UHTꢃꢀ≤ꢀꢋꢌ 0+]
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
December 3, 2005 S29WS-N_m0_I0
77
P r e l i m i n a r y
ꢄꢊꢎꢏꢎꢅ 7LPLQJꢀ'LDJUDPV
5 cycles for initial access shown.
tCEZ
tCES
18.5 ns typ. (54 MHz)
5
CE#
1
2
3
4
6
7
CLK
tAVC
AVD#
tAVD
tAVDH
tACS
Addresses
Data (n)
Aa
tBACC
tACH
Hi-Z
tIACC
Da
Da + 1
Da + 2
Da + n
tOEZ
Da + 3
tBDH
OE#
tRACC
tOE
Hi-Z
Hi-Z
RDY (n)
tCR
tRDYS
Hi-Z
Hi-Z
Data (n + 1)
RDY (n + 1)
Da
Da + 1
Da + 2
Da + n
Da + 2
Hi-Z
Hi-Z
Hi-Z
Data (n + 2)
RDY (n + 2)
Da
Da + 1
Da + 1
Da + n
Da + 1
Hi-Z
Hi-Z
Hi-Z
Data (n + 3)
RDY (n + 3)
Da
Da
Da
Da + n
Da
Hi-Z
Ir)
ꢀꢁ )LJXUHꢂVKRZVꢂWRWDOꢂQXPEHUꢂRIꢂZDLWꢂVWDWHVꢂVHWꢂWRꢂILYHꢂF\FOHVꢁꢂ7KHꢂWRWDOꢂQXPEHUꢂRIꢂ
ZDLWꢂVWDWHVꢂFDQꢂEHꢂSURJUDPPHGꢂIURPꢂWZRꢂF\FOHVꢂWRꢂVHYHQꢂF\FOHVꢁꢂ
ꢆꢁ ,IꢂDQ\ꢂEXUVWꢂDGGUHVVꢂRFFXUVꢂDWꢂ³DGGUHVVꢂꢓꢂꢀ´ꢄꢂ³DGGUHVVꢂꢓꢂꢆ´ꢄꢂRUꢂ³DGGUHVVꢂꢓꢂꢊ´ꢄꢂ
DGGLWLRQDOꢂFORFNꢂGHOD\ꢂF\FOHVꢂDUHꢂLQVHUWHGꢄꢂDQGꢂDUHꢂLQGLFDWHGꢂE\ꢂ5'<ꢁ
ꢊꢁ 7KHꢂGHYLFHꢂLVꢂLQꢂV\QFKURQRXVꢂPRGHꢁ
Figure 16.7. CLK Synchronous Burst Mode Read
78
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
7 cycles for initial access shown.
tCES
CE#
CLK
1
2
3
4
5
6
7
tAVC
tAVDH
AVD#
tAVD
tACS
Ac
Addresses
Data
tBACC
tACH
tIACC
DC
DD
DE
DF
D8
DB
tBDH
OE#
RDY
tCR
tRACC
tRACC
tOE
Hi-Z
tRDYS
Ir)
ꢀꢁ )LJXUHꢂVKRZVꢂWRWDOꢂQXPEHUꢂRIꢂZDLWꢂVWDWHVꢂVHWꢂWRꢂVHYHQꢂF\FOHVꢁꢂ7KHꢂWRWDOꢂQXPEHUꢂRIꢂZDLWꢂVWDWHVꢂFDQꢂEHꢂSURJUDPPHGꢂIURPꢂWZRꢂF\FOHVꢂWRꢂVHYHQꢂ
F\FOHVꢁ
ꢆꢁ ,IꢂDQ\ꢂEXUVWꢂDGGUHVVꢂRFFXUVꢂDWꢂ³DGGUHVVꢂꢓꢂꢀ´ꢄꢂ³DGGUHVVꢂꢓꢂꢆ´ꢄꢂRUꢂ³DGGUHVVꢂꢓꢂꢊ´ꢄꢂDGGLWLRQDOꢂFORFNꢂGHOD\ꢂF\FOHVꢂDUHꢂLQVHUWHGꢄꢂDQGꢂDUHꢂLQGLFDWHGꢂ
E\ꢂ5'<ꢁ
ꢊꢁ 7KHꢂGHYLFHꢂLVꢂLQꢂV\QFKURQRXVꢂPRGHꢂZLWKꢂZUDSꢂDURXQGꢁ
ꢎꢁ 'ꢑ±')ꢂLQꢂGDWDꢂZDYHIRUPꢂLQGLFDWHꢂWKHꢂRUGHUꢂRIꢂGDWDꢂZLWKLQꢂDꢂJLYHQꢂꢑꢃZRUGꢂDGGUHVVꢂUDQJHꢄꢂIURPꢂORZHVWꢂWRꢂKLJKHVWꢁꢂ6WDUWLQJꢂDGGUHVVꢂLQꢂILJXUHꢂ
LVꢂWKHꢂꢎWKꢂDGGUHVVꢂLQꢂUDQJHꢂꢏꢈꢃ)ꢐꢁꢂ
Figure 16.8. 8-word Linear Burst with Wrap Around
7
cycles for initial access shown.
tCES
CE#
CLK
1
2
3
4
5
6
7
tAVC
tAVDH
AVD#
tAVD
tACS
Ac
Addresses
Data
tBACC
tACH
tIACC
DC
DD
DE
DF
D8
DB
tBDH
OE#
RDY
tCR
tRACC
tOE
tRACC
Hi-Z
tRDYS
Ir)
ꢀꢁ )LJXUHꢂVKRZVꢂWRWDOꢂQXPEHUꢂRIꢂZDLWꢂVWDWHVꢂVHWꢂWRꢂVHYHQꢂF\FOHVꢁꢂ7KHꢂWRWDOꢂQXPEHUꢂRIꢂZDLWꢂVWDWHVꢂFDQꢂEHꢂSURJUDPPHGꢂIURPꢂWZRꢂF\FOHVꢂWRꢂVHYHQꢂ
F\FOHVꢁꢂ&ORFNꢂLVꢂVHWꢂIRUꢂDFWLYHꢂULVLQJꢂHGJHꢁ
ꢆꢁ ,IꢂDQ\ꢂEXUVWꢂDGGUHVVꢂRFFXUVꢂDWꢂ³DGGUHVVꢂꢓꢂꢀ´ꢄꢂ³DGGUHVVꢂꢓꢂꢆ´ꢄꢂRUꢂ³DGGUHVVꢂꢓꢂꢊ´ꢄꢂDGGLWLRQDOꢂFORFNꢂGHOD\ꢂF\FOHVꢂDUHꢂLQVHUWHGꢄꢂDQGꢂDUHꢂLQGLFDWHGꢂ
E\ꢂ5'<ꢁ
ꢊꢁ 7KHꢂGHYLFHꢂLVꢂLQꢂDV\QFKURQRXVꢂPRGHꢂZLWKꢂRXWꢂZUDSꢂDURXQGꢁ
ꢎꢁ '&±'ꢀꢊꢂLQꢂGDWDꢂZDYHIRUPꢂLQGLFDWHꢂWKHꢂRUGHUꢂRIꢂGDWDꢂZLWKLQꢂDꢂJLYHQꢂꢑꢃZRUGꢂDGGUHVVꢂUDQJHꢄꢂIURPꢂORZHVWꢂWRꢂKLJKHVWꢁꢂ6WDUWLQJꢂDGGUHVVꢂLQꢂILJXUHꢂ
LVꢂWKHꢂꢀVWꢂDGGUHVVꢂLQꢂUDQJHꢂꢏFꢃꢀꢊꢐꢁꢂ
Figure 16.9. 8-word Linear Burst without Wrap Around
December 3, 2005 S29WS-N_m0_I0
79
P r e l i m i n a r y
tCEZ
6 wait cycles for initial access shown.
tCES
CE#
CLK
1
5
6
7
tAVC
tAVDH
AVD#
tAVD
tACS
Aa
Addresses
Data
tBACC
tACH
Hi-Z
tIACC
Da
Da+1
Da+2
Da+3
Da + n
tBDH
tOEZ
tRACC
OE#
RDY
tCR
tOE
Hi-Z
Hi-Z
tRDYS
Ir)
ꢀꢁ )LJXUHꢂDVVXPHVꢂꢌꢂZDLWꢂVWDWHVꢂIRUꢂLQLWLDOꢂDFFHVVꢂDQGꢂV\QFKURQRXVꢂUHDGꢁ
ꢆꢁ 7KHꢂ6HWꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢂFRPPDQGꢂVHTXHQFHꢂKDVꢂEHHQꢂZULWWHQꢂZLWKꢂ&5ꢑ ꢈꢇꢂGHYLFHꢂRXWSXWVꢂ5'<ꢂRQHꢂF\FOHꢂEHIRUHꢂYDOLGꢂGDWDꢁꢂ
Figure 16.10. Linear Burst with RDY Set One Cycle Before Data
ꢄꢊꢎꢏꢎꢒ $&ꢀ&KDUDFWHULVWLFV²$V\QFKURQRXVꢀ5HDG
3DUDPHWHU
'HVFULSWLRQ
$FFHVVꢀ7LPHꢀIURPꢀ&(ꢔꢀ/RZ
ꢉꢒꢀ0+] ꢊꢊꢀ0+] ꢏꢋꢀ0+] 8QLW
-('(& 6WDQGDUG
W&(
W$&&
0D[
0D[
0LQ
0LQ
0LQ
0D[
0LQ
ꢋꢌ
ꢋꢌ
ꢋ
QV
QV
QV
QV
QV
QV
QV
$V\QFKURQRXVꢀ$FFHVVꢀ7LPH
$9'ꢔꢀ/RZꢀ7LPH
W$9'3
W$$9'6
W$$9'+
W2(
$GGUHVVꢀ6HWXSꢀ7LPHꢀWRꢀ5LVLQJꢀ(GJHꢀRIꢀ$9'ꢔ
$GGUHVVꢀ+ROGꢀ7LPHꢀIURPꢀ5LVLQJꢀ(GJHꢀRIꢀ$9'ꢔ
2XWSXWꢀ(QDEOHꢀWRꢀ2XWSXWꢀ9DOLG
5HDG
ꢍ
ꢈ
ꢎ
ꢇꢑꢃꢊ
ꢌ
W2(+
2XWSXWꢀ(QDEOHꢀ+ROGꢀ7LPH
7RJJOHꢀDQG
0LQ
ꢇꢌ
QV
'DWDꢔꢀ3ROOLQJ
2XWSXWꢀ(QDEOHꢀWRꢀ+LJKꢀ=ꢀꢁVHHꢀ1RWHꢂ
&(ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ$9'ꢔ
W2(=
W&$6
0D[
0LQ
ꢇꢌ
ꢌ
QV
QV
QV
W3$&&
3DJHꢀ$FFHVVꢀ7LPH
0D[
ꢏꢌ
2XWSXWꢀ+ROGꢀ7LPHꢀ)URPꢀ$GGUHVVHVꢄꢀ&(ꢔ
RUꢀ2(ꢔꢄꢀZKLFKHYHUꢀRFFXUVꢀILUVWꢀꢁ1RWHꢀꢏꢂ
ꢀW2+
0LQ
ꢌ
QV
QV
ꢀW&(=
&KLSꢀ(QDEOHꢀWRꢀ2XWSXWꢀ7ULVWDWH
0D[
ꢇꢌ
Ir)
ꢀꢁ 1RWꢂꢀꢈꢈꢖꢂWHVWHGꢁ
ꢆꢁ
W2(+ꢂ ꢂꢀꢂQVꢂIRUꢂ6ꢆꢒ:6ꢀꢆꢑ1ꢁ
80
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
CE#
OE#
tOE
tOEH
WE#
Data
tCE
tOEZ
Valid RD
tACC
RA
Addresses
AVD#
tAAVDH
tCAS
tAVDP
tAAVDS
Ir) 5$ꢂ ꢂ5HDGꢂ$GGUHVVꢄꢂ5'ꢂ ꢂ5HDGꢂ'DWDꢁ
Figure 16.11. Asynchronous Mode Read
A22-A2
Same Page Address
A1-A0
CE#
A0
A1
A2
A3
t
CE
t
t
COEZ
ACC
Optional
AVD#
OE#
t
OE
t
PACC
t
OEZ
WE#
Data
t
PACC
t
t
t
OEZ
OH
PACC
D0
D1
D1
D2
D3
t
t
OH
OH
Figure 16.12. Four-Word Page-Mode Operation
December 3, 2005 S29WS-N_m0_I0
81
P r e l i m i n a r y
ꢄꢊꢎꢏꢎꢉ +DUGZDUHꢀ5HVHWꢀꢂ5(6(7ꢓꢃꢀ
Parameter
JEDEC
Std.
W53
Description
All Speed Options
Unit
V
5(6(7ꢔꢀ3XOVHꢀ:LGWK
5HVHWꢀ+LJKꢀ7LPHꢀ%HIRUHꢀ5HDGꢀꢁ6HHꢀ1RWHꢂ
0LQ
0LQ
ꢑꢌ
W5+
ꢏꢌꢌ
QV
Ir)ꢂ1RWꢂꢀꢈꢈꢖꢂWHVWHGꢁ
CE#, OE#
tRH
RESET#
tRP
Figure 16.13. Reset Timings
82
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢊꢎꢏꢎꢊ (UDVHꢌ3URJUDPꢀ7LPLQJ
Parameter
JEDEC
Standard
Description
54 MHz
66 MHz
80 MHz Unit
W$9$9
W:&
:ULWHꢀ&\FOHꢀ7LPHꢀꢁ1RWHꢀꢇꢂ
0LQ
0LQ
ꢋꢌ
ꢊ
QV
QV
QV
6\QFKURQRXV
$V\QFKURQRXV
6\QFKURQRXV
$V\QFKURQRXV
W$9:/
W$6
$GGUHVVꢀ6HWXSꢀ7LPHꢀꢁ1RWHVꢀꢏꢄꢀꢑꢂ
$GGUHVVꢀ+ROGꢀ7LPHꢀꢁ1RWHVꢀꢏꢄꢀꢑꢂ
ꢌ
ꢉ
W:/$;
W$+
0LQ
QV
ꢏꢌ
ꢋ
W$9'3
W'6
$9'ꢔꢀ/RZꢀ7LPH
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0LQ
0D[
0D[
0D[
0D[
7\S
7\S
QV
QV
QV
QV
QV
QV
QV
QV
QV
QV
V
QV
QV
QV
QV
QV
QV
QV
V
V
V
V
V
W'9:+
W:+';
W*+:/
'DWDꢀ6HWXSꢀ7LPH
ꢍꢊ
ꢏꢌ
W'+
'DWDꢀ+ROGꢀ7LPH
ꢌ
ꢌ
W*+:/
W&$6
W&+
5HDGꢀ5HFRYHU\ꢀ7LPHꢀ%HIRUHꢀ:ULWH
&(ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ$9'ꢔ
&(ꢔꢀ+ROGꢀ7LPH
ꢌ
W:+(+
W:/:+
W:+:/
ꢌ
W:3
:ULWHꢀ3XOVHꢀ:LGWK
ꢑꢌ
ꢏꢌ
ꢌ
W:3+
W65ꢒ:
W9,'
:ULWHꢀ3XOVHꢀ:LGWKꢀ+LJK
/DWHQF\ꢀ%HWZHHQꢀ5HDGꢀDQGꢀ:ULWHꢀ2SHUDWLRQV
9$&&ꢀ5LVHꢀDQGꢀ)DOOꢀ7LPH
ꢊꢌꢌ
ꢇ
W9,'6
W&6
9$&&ꢀ6HWXSꢀ7LPHꢀꢁ'XULQJꢀ$FFHOHUDWHGꢀ3URJUDPPLQJꢂ
&(ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ:(ꢔ
W(/:/
ꢊ
W$96:
W$9+:
W$96&
W$9+&
W&6:
W:(3
W6($
W(6/
$9'ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ:(ꢔ
ꢊ
$9'ꢔꢀ+ROGꢀ7LPHꢀWRꢀ:(ꢔ
ꢊ
$9'ꢔꢀ6HWXSꢀ7LPHꢀWRꢀ&/.
ꢊ
$9'ꢔꢀ+ROGꢀ7LPHꢀWRꢀ&/.
ꢊ
&ORFNꢀ6HWXSꢀ7LPHꢀWRꢀ:(ꢔ
ꢊ
1RLVHꢀ3XOVHꢀ0DUJLQꢀRQꢀ:(ꢔ
ꢑ
6HFWRUꢀ(UDVHꢀ$FFHSWꢀ7LPHꢅRXW
(UDVHꢀ6XVSHQGꢀ/DWHQF\
ꢊꢌ
ꢏꢌ
ꢏꢌ
ꢌ
W36/
3URJUDPꢀ6XVSHQGꢀ/DWHQF\
W$63
7RJJOHꢀ7LPHꢀ'XULQJꢀ(UDVHꢀZLWKLQꢀDꢀ3URWHFWHGꢀ6HFWRU
7RJJOHꢀ7LPHꢀ'XULQJꢀ3URJUDPPLQJꢀ:LWKLQꢀDꢀ3URWHFWHGꢀ6HFWRU
W363
ꢌ
Ir)
ꢀꢁ 1RWꢂꢀꢈꢈꢖꢂWHVWHGꢁ
ꢆꢁ $V\QFKURQRXVꢂUHDGꢂPRGHꢂDOORZVꢂ$V\QFKURQRXVꢂSURJUDPꢂRSHUDWLRQꢂRQO\ꢁꢂ6\QFKURQRXVꢂUHDGꢂPRGHꢂDOORZVꢂERWKꢂ$V\QFKURQRXVꢂDQGꢂ
6\QFKURQRXVꢂSURJUDPꢂRSHUDWLRQꢁ
ꢊꢁ ,QꢂDV\QFKURQRXVꢂSURJUDPꢂRSHUDWLRQꢂWLPLQJꢄꢂDGGUHVVHVꢂDUHꢂODWFKHGꢂRQꢂWKHꢂIDOOLQJꢂHGJHꢂRIꢂ:(ꢅꢁꢂ,QꢂV\QFKURQRXVꢂSURJUDPꢂRSHUDWLRQꢂWLPLQJꢄꢂ
DGGUHVVHVꢂDUHꢂODWFKHGꢂRQꢂWKHꢂULVLQJꢂHGJHꢂRIꢂ&/.ꢁ
ꢎꢁ 6HHꢂWKHꢂ³(UDVHꢂDQGꢂ3URJUDPPLQJꢂ3HUIRUPDQFH´ꢂꢂVHFWLRQꢂIRUꢂPRUHꢂLQIRUPDWLRQꢁ
ꢉꢁ 'RHVꢂQRWꢂLQFOXGHꢂWKHꢂSUHSURJUDPPLQJꢂWLPHꢁ
December 3, 2005 S29WS-N_m0_I0
83
P r e l i m i n a r y
Erase Command Sequence (last two cycles)
Read Status Data
V
IH
CLK
V
IL
tAVDP
AVD#
tAH
tAS
SA
VA
VA
Addresses
Data
2AAh
555h for
chip erase
10h for
chip erase
In
Complete
55h
30h
Progress
tDS
tDH
CE#
tCH
OE#
WE#
tWP
tWHWH2
tCS
tWPH
tWC
tVCS
VCC
Figure 16.14. Chip/Sector Erase Operation Timings
84
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Program Command Sequence (last two cycles)
Read Status Data
V
IH
CLK
V
IL
tAVSW
tAVHW
tAVDP
AVD#
tAS
tAH
Addresses
Data
555h
PA
VA
VA
In
A0h
tDS
Complete
PD
Progress
tCAS
tDH
CE#
tCH
OE#
WE#
tWP
tWHWH1
tCS
tWPH
tWC
tVCS
VCC
Ir)
ꢀꢁ 3$ꢂ ꢂ3URJUDPꢂ$GGUHVVꢄꢂ3'ꢂ ꢂ3URJUDPꢂ'DWDꢄꢂ9$ꢂ ꢂ9DOLGꢂ$GGUHVVꢂIRUꢂUHDGLQJꢂVWDWXVꢂELWVꢁ
ꢆꢁ ³,QꢂSURJUHVV´ꢂDQGꢂ³FRPSOHWH´ꢂUHIHUꢂWRꢂVWDWXVꢂRIꢂSURJUDPꢂRSHUDWLRQꢁꢂ
ꢊꢁ $ꢆꢊ±$ꢀꢎꢂIRUꢂWKHꢂ:6ꢆꢉꢌ1ꢂꢏ$ꢆꢆ±$ꢀꢎꢂIRUꢂWKHꢂ:6ꢀꢆꢑ1ꢐꢂDUHꢂGRQ¶WꢂFDUHꢂGXULQJꢂFRPPDQGꢂVHTXHQFHꢂXQORFNꢂF\FOHVꢁꢂ
ꢎꢁ &/.ꢂFDQꢂEHꢂHLWKHUꢂ9,/ꢂRUꢂ9,+
ꢁ
ꢉꢁ 7KHꢂ$V\QFKURQRXVꢂSURJUDPPLQJꢂRSHUDWLRQꢂLVꢂLQGHSHQGHQWꢂRIꢂWKHꢂ6HWꢂ'HYLFHꢂ5HDGꢂ0RGHꢂELWꢂLQꢂWKHꢂ
&RQILJXUDWLRQꢂ5HJLVWHUꢁ
Figure 16.15. Program Operation Timing Using AVD#
December 3, 2005 S29WS-N_m0_I0
85
P r e l i m i n a r y
Program Command Sequence (last two cycles)
tAVCH
Read Status Data
CLK
tAS
tAH
tAVSC
AVD#
tAVDP
Addresses
Data
PA
VA
VA
555h
In
Complete
A0h
PD
tDS
tDH
Progress
tCAS
CE#
tCH
OE#
WE#
tCSW
tWP
tWHWH1
tWPH
tWC
tVCS
VCC
Ir)
ꢀꢁ 3$ꢂ ꢂ3URJUDPꢂ$GGUHVVꢄꢂ3'ꢂ ꢂ3URJUDPꢂ'DWDꢄꢂ9$ꢂ ꢂ9DOLGꢂ$GGUHVVꢂIRUꢂUHDGLQJꢂVWDWXVꢂELWVꢁ
ꢆꢁ ³,QꢂSURJUHVV´ꢂDQGꢂ³FRPSOHWH´ꢂUHIHUꢂWRꢂVWDWXVꢂRIꢂSURJUDPꢂRSHUDWLRQꢁꢂ
ꢊꢁ $ꢆꢊ±$ꢀꢎꢂIRUꢂWKHꢂ:6ꢆꢉꢌ1ꢂꢏ$ꢆꢆ±$ꢀꢎꢂIRUꢂWKHꢂ:6ꢀꢆꢑ1ꢐꢂDUHꢂGRQ¶WꢂFDUHꢂGXULQJꢂFRPPDQGꢂVHTXHQFHꢂXQORFNꢂF\FOHVꢁꢂ
ꢎꢁ $GGUHVVHVꢂDUHꢂODWFKHGꢂRQꢂWKHꢂILUVWꢂULVLQJꢂHGJHꢂRIꢂ&/.ꢁ
ꢉꢁ (LWKHUꢂ&(ꢅꢂRUꢂ$9'ꢅꢂLVꢂUHTXLUHGꢂWRꢂJRꢂIURPꢂORZꢂWRꢂKLJKꢂLQꢂEHWZHHQꢂSURJUDPPLQJꢂFRPPDQGꢂVHTXHQFHVꢁ
ꢌꢁ 7KHꢂ6\QFKURQRXVꢂSURJUDPPLQJꢂRSHUDWLRQꢂLVꢂGHSHQGHQWꢂRIꢂWKHꢂ6HWꢂ'HYLFHꢂ5HDGꢂ0RGHꢂELWꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ
5HJLVWHUꢁꢂ7KHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢂPXVWꢂEHꢂVHWꢂWRꢂWKHꢂ6\QFKURQRXVꢂ5HDGꢂ0RGHꢁ
Figure 16.16. Program Operation Timing Using CLK in Relationship to AVD#
86
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
CE#
AVD#
WE#
Addresses
Data
PA
Don't Care
A0h
Don't Care
PD
Don't Care
OE#
ACC
tVIDS
V
V
ID
tVID
or V
IL
IH
Ir) 8VHꢂVHWXSꢂDQGꢂKROGꢂWLPHVꢂIURPꢂFRQYHQWLRQDOꢂSURJUDPꢂRSHUDWLRQꢁ
Figure 16.17. Accelerated Unlock Bypass Programming Timing
AVD#
CE#
tCEZ
tCE
tOEZ
tCH
tOE
OE#
WE#
tOEH
tACC
VA
High Z
Addresses
VA
High Z
Status Data
Status Data
Data
Ir)
ꢀꢁ 6WDWXVꢂUHDGVꢂLQꢂILJXUHꢂDUHꢂVKRZQꢂDVꢂDV\QFKURQRXVꢁ
ꢆꢁ 9$ꢂ ꢂ9DOLGꢂ$GGUHVVꢁꢂ7ZRꢂUHDGꢂF\FOHVꢂDUHꢂUHTXLUHGꢂWRꢂGHWHUPLQHꢂVWDWXVꢁꢂ:KHQꢂWKHꢂ(PEHGGHGꢂ$OJRULWKPꢂRSHUDWLRQꢂLVꢂFRPSOHWHꢄꢂDQGꢂ'DWDꢅꢂ
3ROOLQJꢂRXWSXWVꢂWUXHꢂGDWDꢁ
Figure 16.18. Data# Polling Timings (During Embedded Algorithm)
December 3, 2005 S29WS-N_m0_I0
87
P r e l i m i n a r y
AVD#
CE#
tCEZ
tCE
tOEZ
tCH
tOE
OE#
WE#
tOEH
tACC
VA
High Z
High Z
Addresses
Data
VA
Status Data
Status Data
Ir)
ꢀꢁ 6WDWXVꢂUHDGVꢂLQꢂILJXUHꢂDUHꢂVKRZQꢂDVꢂDV\QFKURQRXVꢁ
ꢆꢁ 9$ꢂ ꢂ9DOLGꢂ$GGUHVVꢁꢂ7ZRꢂUHDGꢂF\FOHVꢂDUHꢂUHTXLUHGꢂWRꢂGHWHUPLQHꢂVWDWXVꢁꢂ:KHQꢂWKHꢂ(PEHGGHGꢂ$OJRULWKPꢂRSHUDWLRQꢂLVꢂFRPSOHWHꢄꢂWKHꢂWRJJOHꢂELWVꢂ
VWRSꢂWRJJOLQJꢁ
Figure 16.19. Toggle Bit Timings (During Embedded Algorithm)
CE#
CLK
AVD#
Addresses
OE#
VA
VA
tIACC
tIACC
Data
Status Data
Status Data
RDY
Ir)
ꢀꢁ 7KHꢂWLPLQJVꢂDUHꢂVLPLODUꢂWRꢂV\QFKURQRXVꢂUHDGꢂWLPLQJVꢁ
ꢆꢁ 9$ꢂ ꢂ9DOLGꢂ$GGUHVVꢁꢂ7ZRꢂUHDGꢂF\FOHVꢂDUHꢂUHTXLUHGꢂWRꢂGHWHUPLQHꢂVWDWXVꢁꢂ:KHQꢂWKHꢂ(PEHGGHGꢂ$OJRULWKPꢂRSHUDWLRQꢂLVꢂFRPSOHWHꢄꢂWKHꢂWRJJOHꢂELWVꢂ
VWRSꢂWRJJOLQJꢁ
ꢊꢁ 5'<ꢂLVꢂDFWLYHꢂZLWKꢂGDWDꢂꢏ'ꢑꢂ ꢂꢀꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢐꢁꢂ:KHQꢂ'ꢑꢂ ꢂꢈꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢄꢂ5'<ꢂLVꢂDFWLYHꢂRQHꢂFORFNꢂF\FOHꢂEHIRUHꢂ
GDWDꢁ
Figure 16.20. Synchronous Data Polling Timings/Toggle Bit Timings
88
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
0ns
20ns
40ns
60ns
80ns
100ns
120ns
140ns
160ns
180ns
200ns
ADDR
CE#
AVD#
OE#
Ir)ꢀ'4ꢆꢂGRHVꢂQRWꢂWRJJOHꢂFRUUHFWO\ꢂGXULQJꢂHUDVHꢂVXVSHQGꢂLIꢂ$9'ꢅꢂRUꢂ&(ꢅꢂDUHꢂKHOGꢂORZꢂDIWHUꢂYDOLGꢂ
DGGUHVVꢁ
Figure 16.21. Conditions for Incorrect DQ2 Polling During Erase Suspend
0ns
20ns
40ns
60ns
80ns
100ns 120ns 140ns 160ns 180ns 200ns
2
ADDR
CE#
AVD#
OE#
Ir)ꢀ'4ꢆꢂSROOLQJꢂGXULQJꢂHUDVHꢂVXVSHQGꢂEHKDYHVꢂQRUPDOO\ꢂLIꢂ&(ꢅꢂSXOVHVꢂORZꢂDWꢂRUꢂDIWHUꢂYDOLGꢂ$GGUHVVꢄꢂ
HYHQꢂLIꢂ$9'ꢅꢂGRHVꢂQRWꢁ
Figure 16.22. Correct DQ2 Polling during Erase Suspend #1
0ns
20ns
40ns
60ns
80ns
100ns
120ns
140ns
160ns
180ns 200ns
ADDR
CE#
AVD#
OE#
Ir)ꢀ'4ꢆꢂSROOLQJꢂGXULQJꢂHUDVHꢂVXVSHQGꢂEHKDYHVꢂQRUPDOO\ꢂLIꢂ$9'ꢅꢂSXOVHVꢂORZꢂDWꢂRUꢂDIWHUꢂYDOLGꢂ$GGUHVVꢄꢂ
HYHQꢂLIꢂ&(ꢅꢂGRHVꢂQRWꢁ
Figure 16.23. Correct DQ2 Polling during Erase Suspend #2
0ns
20ns
40ns
60ns
80ns
100ns
120ns 140ns
160ns 180ns
200ns
ADDR
CE#
AVD#
OE#
Ir)ꢀ'4ꢆꢂSROOLQJꢂGXULQJꢂHUDVHꢂVXVSHQGꢂEHKDYHVꢂQRUPDOO\ꢂLIꢂERWKꢂ$9'ꢅꢂDQGꢂ&(ꢅꢂSXOVHꢂORZꢂDWꢂRUꢂDIWHUꢂ
YDOLGꢂ$GGUHVVꢁ
Figure 16.24. Correct DQ2 Polling during Erase Suspend #3
December 3, 2005 S29WS-N_m0_I0
89
P r e l i m i n a r y
Enter
Embedded
Erasing
Erase
Suspend
Enter Erase
Suspend Program
Erase
Resume
Erase
Erase Suspend
Read
Erase
Suspend
Program
Erase
Complete
WE#
Erase
Erase Suspend
Read
DQ6
DQ2
Ir)ꢀ'4ꢆꢂWRJJOHVꢂRQO\ꢂZKHQꢂUHDGꢂDWꢂDQꢂDGGUHVVꢂZLWKLQꢂDQꢂHUDVHꢃVXVSHQGHGꢂVHFWRUꢁꢂ7KHꢂV\VWHPꢂPD\ꢂXVHꢂ2(ꢅꢂRUꢂ&(ꢅꢂ
WRꢂWRJJOHꢂ'4ꢆꢂDQGꢂ'4ꢌꢁ
Figure 16.25. DQ2 vs. DQ6
Address boundary occurs every 128 words, beginning at address
00007Fh: (0000FFh, 00017Fh, etc.) Address 000000h is also a boundary crossing.
C124
C125
7D
C126
7E
C127
7F
C127
7F
C128
80
C129
81
C130
82
C131
83
CLK
7C
Address (hex)
(stays high)
AVD#
tRACC
tRACC
RDY(1)
latency
tRACC
tRACC
RDY(2)
Data
latency
D124
D125
D126
D127
D128
D129
D130
OE#,
CE#
(stays low)
Ir)
ꢀꢁ 5'<ꢏꢀꢐꢂDFWLYHꢂZLWKꢂGDWDꢂꢏ'ꢑꢂ ꢂꢀꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢐꢁ
ꢆꢁ 5'<ꢏꢆꢐꢂDFWLYHꢂRQHꢂFORFNꢂF\FOHꢂEHIRUHꢂGDWDꢂꢏ'ꢑꢂ ꢂꢈꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢐꢁ
ꢊꢁ &[[ꢂLQGLFDWHVꢂWKHꢂFORFNꢂWKDWꢂWULJJHUVꢂ'[[ꢂRQꢂWKHꢂRXWSXWVꢇꢂIRUꢂH[DPSOHꢄꢂ&ꢌꢈꢂWULJJHUVꢂ'ꢌꢈꢁ
ꢎꢁ )LJXUHꢂVKRZVꢂWKHꢂGHYLFHꢂQRWꢂFURVVLQJꢂDꢂEDQNꢂLQꢂWKHꢂSURFHVVꢂRIꢂSHUIRUPLQJꢂDQꢂHUDVHꢂRUꢂSURJUDPꢁ
ꢉꢁ 5'<ꢂGRHVꢂQRWꢂJRꢂORZꢂDQGꢂQRꢂDGGLWLRQDOꢂZDLWꢂVWDWHVꢂDUHꢂUHTXLUHGꢂIRUꢂ:6ꢂ≤ꢂꢉꢁ
Figure 16.26. Latency with Boundary Crossing when Frequency > 66 MHz
90
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Address boundary occurs every 128 words, beginning at address
00007Fh: (0000FFh, 00017Fh, etc.) Address 000000h is also a boundary crossing.
C124
C125
7D
C126
7E
C127
7F
C127
7F
CLK
7C
Address (hex)
(stays high)
AVD#
tRACC
tRACC
RDY(1)
latency
tRACC
tRACC
RDY(2)
Data
latency
D124
D125
D126
D127
Read Status
OE#,
CE#
(stays low)
Ir)
ꢀꢁ 5'<ꢏꢀꢐꢂDFWLYHꢂZLWKꢂGDWDꢂꢏ'ꢑꢂ ꢂꢀꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢐꢁ
ꢆꢁ 5'<ꢏꢆꢐꢂDFWLYHꢂRQHꢂFORFNꢂF\FOHꢂEHIRUHꢂGDWDꢂꢏ'ꢑꢂ ꢂꢈꢂLQꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢐꢁ
ꢊꢁ &[[ꢂLQGLFDWHVꢂWKHꢂFORFNꢂWKDWꢂWULJJHUVꢂ'[[ꢂRQꢂWKHꢂRXWSXWVꢇꢂIRUꢂH[DPSOHꢄꢂ&ꢌꢈꢂWULJJHUVꢂ'ꢌꢈꢁ
ꢎꢁ )LJXUHꢂVKRZVꢂWKHꢂGHYLFHꢂFURVVLQJꢂDꢂEDQNꢂLQꢂWKHꢂSURFHVVꢂRIꢂSHUIRUPLQJꢂDQꢂHUDVHꢂRUꢂSURJUDPꢁ
ꢉꢁ 5'<ꢂGRHVꢂQRWꢂJRꢂORZꢂDQGꢂQRꢂDGGLWLRQDOꢂZDLWꢂVWDWHVꢂDUHꢂUHTXLUHGꢂIRUꢂ:6ꢂ≤ꢂꢉꢁ
Figure 16.27. Latency with Boundary Crossing into Program/Erase Bank
December 3, 2005 S29WS-N_m0_I0
91
P r e l i m i n a r y
Data
D0
D1
Rising edge of next clock cycle
following last wait state triggers
next burst data
AVD#
OE#
total number of clock cycles
following addresses being latched
1
2
0
3
1
4
5
6
4
7
5
CLK
2
3
number of clock cycles
programmed
XhvꢀThrꢀ8svtꢄhvꢀSrtvrꢄꢀTr)
'ꢀꢊꢄꢂ'ꢀꢆꢄꢂ'ꢀꢀꢂ ꢂ³ꢀꢀꢀ´ꢂ⇒ꢂ5HVHUYHG
'ꢀꢊꢄꢂ'ꢀꢆꢄꢂ'ꢀꢀꢂ ꢂ³ꢀꢀꢈ´ꢂ⇒ꢂ5HVHUYHG
'ꢀꢊꢄꢂ'ꢀꢆꢄꢂ'ꢀꢀꢂ ꢂ³ꢀꢈꢀ´ꢂ⇒ꢂꢉꢂSURJUDPPHGꢄꢂꢋꢂWRWDO
'ꢀꢊꢄꢂ'ꢀꢆꢄꢂ'ꢀꢀꢂ ꢂ³ꢀꢈꢈ´ꢂ⇒ꢂꢎꢂSURJUDPPHGꢄꢂꢌꢂWRWDO
'ꢀꢊꢄꢂ'ꢀꢆꢄꢂ'ꢀꢀꢂ ꢂ³ꢈꢀꢀ´ꢂ⇒ ꢊꢂSURJUDPPHGꢄꢂꢉꢂWRWDO
Ir) )LJXUHꢂDVVXPHVꢂDGGUHVVꢂ'ꢈꢂLVꢂQRWꢂDWꢂDQꢂDGGUHVVꢂERXQGDU\ꢄꢂDQGꢂZDLWꢂVWDWHꢂLVꢂVHWꢂWRꢂ³ꢀꢈꢀ´ꢁ
Figure 16.28. Example of Wait States Insertion
92
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Last Cycle in
Program or
Sector Erase
Read status (at least two cycles) in same bank
and/or array data from other bank
Begin another
write or program
command sequence
Command Sequence
tWrite Cycle
tWrite Cycle
tRead Cycle
tRead Cycle
CE#
OE#
tOE
tGHWL
tOEH
WE#
Data
tWPH
tOEZ
tWP
tDS
tACC
tOEH
tDH
PD/30h
RD
RD
AAh
tSR/W
RA
Addresses
PA/SA
tAS
RA
555h
AVD#
tAH
Ir) %UHDNSRLQWVꢂLQꢂZDYHIRUPVꢂLQGLFDWHꢂWKDWꢂV\VWHPꢂPD\ꢂDOWHUQDWHO\ꢂUHDGꢂDUUD\ꢂGDWDꢂIURPꢂWKHꢂ³QRQꢃEXV\ꢂEDQN´ꢂZKLOHꢂ
FKHFNLQJꢂWKHꢂVWDWXVꢂRIꢂWKHꢂSURJUDPꢂRUꢂHUDVHꢂRSHUDWLRQꢂLQꢂWKHꢂ³EXV\´ꢂEDQNꢁꢂ7KHꢂV\VWHPꢂVKRXOGꢂUHDGꢂVWDWXVꢂWZLFHꢂWRꢂHQVXUHꢂ
YDOLGꢂLQIRUPDWLRQꢁ
Figure 16.29. Back-to-Back Read/Write Cycle Timings
December 3, 2005 S29WS-N_m0_I0
93
P r e l i m i n a r y
ꢄꢊꢎꢏꢎꢆ (UDVHꢀDQGꢀ3URJUDPPLQJꢀ3HUIRUPDQFH
Parameter
Typ (Note 1)
ꢌꢃꢎ
Max (Note 2)
Unit
Comments
ꢎꢍꢀ.ZRUG
ꢇꢎꢀ.ZRUG
9&&
9&&
ꢑꢃꢊ
ꢏ
6HFWRUꢀ(UDVHꢀ7LPH
V
ꢙꢌꢃꢇꢊ
([FOXGHVꢀꢌꢌKꢀ
SURJUDPPLQJꢀSULRUꢀ
WRꢀHUDVXUHꢀꢁ1RWHꢀꢍꢂ
ꢇꢊꢑꢃꢎꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢈꢈꢃꢍꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢑꢌꢋꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢇꢊꢍꢀꢁ:6ꢇꢏꢋ1ꢂ
9&&
&KLSꢀ(UDVHꢀ7LPHꢀ
V
ꢇꢑꢌꢃꢎꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢎꢊꢃꢋꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢏꢎꢏꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢇꢑꢏꢀꢁ:6ꢇꢏꢋ1ꢂ
$&&
9&&
$&&
9&&
$&&
9&&
$&&
ꢍꢌ
ꢏꢍ
ꢍꢌꢌ
ꢏꢍꢌ
ꢉꢍ
6LQJOHꢀ:RUGꢀ3URJUDPPLQJꢀ7LPHꢀ
ꢁ1RWHꢀꢈꢂ
V
V
V
ꢉꢃꢍ
ꢎ
(IIHFWLYHꢀ:RUGꢀ3URJUDPPLQJꢀ7LPHꢀ
XWLOL]LQJꢀ3URJUDPꢀ:ULWHꢀ%XIIHU
ꢎꢌ
ꢑꢌꢌ
ꢇꢉꢏ
ꢑꢌꢌꢌ
ꢇꢉꢏꢌ
7RWDOꢀꢑꢏꢅ:RUGꢀ%XIIHUꢀ3URJUDPPLQJꢀ
7LPH
ꢇꢊꢈꢃꢑꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢈꢋꢃꢎꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢑꢇꢍꢃꢎꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢇꢊꢈꢃꢑꢀꢁ:6ꢇꢏꢋ1ꢂ
9&&
([FOXGHVꢀV\VWHPꢀ
OHYHOꢀRYHUKHDGꢀ
ꢁ1RWHꢀꢊꢂ
&KLSꢀ3URJUDPPLQJꢀ7LPHꢀꢁ1RWHꢀꢑꢂ
V
ꢇꢌꢌꢃꢈꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢊꢌꢃꢑꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢏꢌꢇꢃꢑꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢇꢌꢌꢃꢈꢀꢁ:6ꢇꢏꢋ1ꢂ
$&&
Ir)
ꢀꢁ 7\SLFDOꢂSURJUDPꢂDQGꢂHUDVHꢂWLPHVꢂDVVXPHꢂWKHꢂIROORZLQJꢂFRQGLWLRQVꢔꢂꢆꢉ°&ꢄꢂꢀꢁꢑꢂ9ꢂ9 ꢄꢂꢀꢈꢄꢈꢈꢈꢂ
&&
F\FOHVꢇꢂFKHFNHUERDUGꢂGDWDꢂSDWWHUQꢁ
ꢆꢁ 8QGHUꢂZRUVWꢂFDVHꢂFRQGLWLRQVꢂRIꢂꢒꢈ&ꢄꢂ9 ꢂ ꢂꢀꢁꢋꢈꢂ9ꢄꢂꢀꢈꢈꢄꢈꢈꢈꢂF\FOHVꢁ
&&
ꢊꢁ 7\SLFDOꢂFKLSꢂSURJUDPPLQJꢂWLPHꢂLVꢂFRQVLGHUDEO\ꢂOHVVꢂWKDQꢂWKHꢂPD[LPXPꢂFKLSꢂSURJUDPPLQJꢂ
WLPHꢂOLVWHGꢄꢂDQGꢂLVꢂEDVHGꢂRQꢂXWLOL]LQJꢂWKHꢂ:ULWHꢂ%XIIHUꢁ
ꢎꢁ ,QꢂWKHꢂSUHꢃSURJUDPPLQJꢂVWHSꢂRIꢂWKHꢂ(PEHGGHGꢂ(UDVHꢂDOJRULWKPꢄꢂDOOꢂZRUGVꢂDUHꢂSURJUDPPHGꢂ
WRꢂꢈꢈKꢂEHIRUHꢂHUDVXUHꢁ
ꢉꢁ 6\VWHPꢃOHYHOꢂRYHUKHDGꢂLVꢂWKHꢂWLPHꢂUHTXLUHGꢂWRꢂH[HFXWHꢂWKHꢂWZRꢃꢂRUꢂIRXUꢃEXVꢃF\FOHꢂVHTXHQFHꢂ
IRUꢂWKHꢂSURJUDPꢂFRPPDQGꢁꢂ6HHꢂWKHꢂ$SSHQGL[ꢂIRUꢂIXUWKHUꢂLQIRUPDWLRQꢂRQꢂFRPPDQGꢂ
GHILQLWLRQVꢁ
ꢌꢁ 5HIHUꢂWRꢂ$SSOLFDWLRQꢂ1RWHꢂ³(UDVHꢂ6XVSHQGꢍ5HVXPHꢂ7LPLQJ´ꢂIRUꢂPRUHꢂGHWDLOVꢁ
ꢋꢁ :RUGꢂSURJUDPPLQJꢂVSHFLILFDWLRQꢂLVꢂEDVHGꢂXSRQꢂDꢂVLQJOHꢂZRUGꢂSURJUDPPLQJꢂRSHUDWLRQꢂQRWꢂ
XWLOL]LQJꢂWKHꢂZULWHꢂEXIIHUꢁ
94
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
ꢄꢊꢎꢏꢎꢏ %*$ꢀ%DOOꢀ&DSDFLWDQFH
Parameter
Symbol
Parameter Description
,QSXWꢀ&DSDFLWDQFH
Test Setup
9,1ꢀ ꢀꢌ
Typ.
ꢊꢃꢑ
ꢊꢃꢋ
ꢎꢃꢑ
Max
ꢎꢃꢑ
ꢎꢃꢋ
ꢈꢃꢑ
Unit
S)
&
,1
&
2XWSXWꢀ&DSDFLWDQFH
&RQWUROꢀ3LQꢀ&DSDFLWDQFH
9287ꢀ ꢀꢌ
9,1ꢀ ꢀꢌ
S)
287
&
S)
,1ꢏ
Ir)
ꢀꢁ 6DPSOHGꢄꢂQRWꢂꢀꢈꢈꢖꢂWHVWHGꢁ
ꢆꢁ 7HVWꢂFRQGLWLRQVꢂ7 ꢂ ꢂꢆꢉ°&ꢇꢂIꢂ ꢂꢀꢁꢈꢂ0+]ꢁ
$
December 3, 2005 S29WS-N_m0_I0
95
P r e l i m i n a r y
17 Appendix
7KLVꢀVHFWLRQꢀFRQWDLQVꢀLQIRUPDWLRQꢀUHODWLQJꢀWRꢀVRIWZDUHꢀFRQWUROꢀRUꢀLQWHUIDFLQJꢀZLWKꢀWKHꢀ)ODVKꢀGHYLFHꢃ
)RUꢀDGGLWLRQDOꢀLQIRUPDWLRQꢀDQGꢀDVVLVWDQFHꢀUHJDUGLQJꢀVRIWZDUHꢄꢀVHHꢀWKHꢀ$GGLWLRQDOꢀ5HVRXUFHVꢀVHFꢅ
WLRQꢀRQꢀSDJHꢀꢏꢊꢄꢀRUꢀH[SORUHꢀWKHꢀ:HEꢀDWꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢃꢀ
96
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 17.1 Memory Array Commands
%XVꢀ&\FOHVꢀꢂ1RWHVꢀꢄ±ꢉꢃ
7KLUGꢀ )RXUWK
$GGU $GGU 'DWD
)LUVW
$GGU
6HFRQG
)LIWK
$GGU
6L[WK
$GGU 'DWD
&RPPDQGꢀ6HTXHQFH
ꢂ1RWHVꢃ
'DWD
5'
)ꢌ
$GGU
'DWD
'DWD
'DWD
$V\QFKURQRXVꢀ5HDGꢀꢁꢎꢂ
5HVHWꢀꢁꢈꢂ
0DQXIDFWXUHUꢀ,'
ꢇ
ꢇ
ꢍ
ꢎ
5$
;;;
ꢊꢊꢊ
ꢊꢊꢊ
$$
ꢏ$$
ꢏ$$
ꢊꢊ
ꢊꢊ
>%$@ꢊꢊꢊ
>%$@ꢊꢊꢊ
ꢉꢌ
ꢉꢌ
>%$@;ꢌꢌ ꢌꢌꢌꢇ
>%$@;ꢌꢇ ꢏꢏꢈ(
'HYLFHꢀ,'ꢀꢁꢉꢂ
$$
%$ꢐ;ꢌ(
3$
'DWD
3'
%$ꢐ;ꢌ) ꢏꢏꢌꢌ
,QGLFDWRUꢀ%LWVꢀꢁꢇꢌꢂ
ꢍ
ꢊꢊꢊ
$$
ꢏ$$
ꢊꢊ
>%$@ꢊꢊꢊ
ꢉꢌ
>%$@;ꢌꢑ
'DWD
3URJUDP
ꢍ
ꢎ
ꢇ
ꢑ
ꢎ
ꢎ
ꢇ
ꢇ
ꢍ
ꢍ
ꢇ
ꢑ
ꢏ
ꢇ
ꢊꢊꢊ
ꢊꢊꢊ
6$
$$
$$
ꢏꢉ
$$
$$
$$
%ꢌ
ꢑꢌ
$$
$$
ꢉꢋ
$$
$ꢌ
ꢉꢋ
ꢏ$$
ꢏ$$
ꢊꢊ
ꢊꢊ
ꢊꢊꢊ
3$
$ꢌ
ꢏꢊ
3$
3$
3'
:ULWHꢀWRꢀ%XIIHUꢀꢁꢇꢇꢂ
3URJUDPꢀ%XIIHUꢀWRꢀ)ODVK
:ULWHꢀWRꢀ%XIIHUꢀ$ERUWꢀ5HVHWꢀꢁꢇꢏꢂ
&KLSꢀ(UDVH
:&
:%/
3'
ꢊꢊꢊ
ꢊꢊꢊ
ꢊꢊꢊ
%$
ꢏ$$
ꢏ$$
ꢏ$$
ꢊꢊ
ꢊꢊ
ꢊꢊ
ꢊꢊꢊ
ꢊꢊꢊ
ꢊꢊꢊ
)ꢌ
ꢋꢌ
ꢋꢌ
ꢊꢊꢊ
ꢊꢊꢊ
$$
$$
ꢏ$$
ꢏ$$
ꢊꢊ
ꢊꢊ
ꢊꢊꢊ
6$
ꢇꢌ
ꢑꢌ
6HFWRUꢀ(UDVH
(UDVHꢒ3URJUDPꢀ6XVSHQGꢀꢁꢇꢑꢂ
(UDVHꢒ3URJUDPꢀ5HVXPHꢀꢁꢇꢍꢂ
6HWꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢀꢁꢇꢋꢂ
5HDGꢀ&RQILJXUDWLRQꢀ5HJLVWHU
&),ꢀ4XHU\ꢀꢁꢇꢊꢂ
%$
ꢊꢊꢊ
ꢊꢊꢊ
>%$@ꢊꢊꢊ
ꢊꢊꢊ
;;;
;;;
ꢏ$$
ꢏ$$
ꢊꢊ
ꢊꢊ
ꢊꢊꢊ
ꢊꢊꢊ
'ꢌ
&ꢎ
;ꢌꢌ
;ꢌꢌ
&5
&5
(QWU\ꢀ
ꢏ$$
3
ꢊꢊ
ꢊꢊꢊ
ꢏꢌ
3URJUDPꢀꢁꢇꢎꢂ
$
3
'
&),ꢀꢁꢇꢎꢂ
5HVHW
ꢏ
;;;
ꢉꢌ
;;;
ꢌꢌ
(QWU\
ꢑ
ꢍ
ꢇ
ꢊꢊꢊ
ꢊꢊꢊ
6$
$$
$$
ꢏ$$
ꢏ$$
ꢊꢊ
ꢊꢊ
ꢊꢊꢊ
ꢊꢊꢊ
ꢋꢋ
$ꢌ
3URJUDPꢀꢁꢇꢈꢂ
5HDGꢀꢁꢇꢈꢂ
3$
3'
ꢌꢌ
'DWD
([LWꢀꢁꢇꢈꢂ
ꢍ
ꢊꢊꢊ
$$
ꢏ$$
ꢊꢊ
ꢊꢊꢊ
ꢉꢌ
;;;
Grtrq)
;ꢂ ꢂ'RQ¶WꢂFDUHꢁ
5$ꢂ ꢂ5HDGꢂ$GGUHVVꢁꢂ
5'ꢂ ꢂ5HDGꢂ'DWDꢁ
6$ꢂ ꢂ6HFWRUꢂ$GGUHVVꢁꢂ:6ꢆꢉꢌ1ꢂ ꢂ$ꢆꢊ±$ꢀꢎꢇꢂ:6ꢀꢆꢑ1ꢂ ꢂ$ꢆꢆ±$ꢀꢎꢁ
%$ꢂ ꢂ%DQNꢂ$GGUHVVꢁꢂ:6ꢆꢉꢌ1ꢂ ꢂ$ꢆꢊ±$ꢆꢈꢇꢂ:6ꢀꢆꢑ1ꢂ ꢂ$ꢆꢆ±$ꢆꢈꢁ
&5ꢂ ꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢂGDWDꢂELWVꢂ'ꢀꢉ±'ꢈꢁ
3$ꢂ ꢂ3URJUDPꢂ$GGUHVVꢁꢂ$GGUHVVHVꢂODWFKꢂRQꢂWKHꢂULVLQJꢂHGJHꢂRIꢂWKHꢂ
$9'ꢅꢂSXOVHꢂRUꢂDFWLYHꢂHGJHꢂRIꢂ&/.ꢄꢂZKLFKHYHUꢂRFFXUVꢂILUVWꢁ
:%/ꢂ ꢂ:ULWHꢂ%XIIHUꢂ/RFDWLRQꢁꢂ$GGUHVVꢂPXVWꢂEHꢂZLWKLQꢂWKHꢂVDPHꢂZULWHꢂ
EXIIHUꢂSDJHꢂDVꢂ3$ꢁ
3'ꢂ ꢂ3URJUDPꢂ'DWDꢁꢂ'DWDꢂODWFKHVꢂRQꢂWKHꢂULVLQJꢂHGJHꢂRIꢂ:(ꢅꢂRUꢂ&(ꢅꢂ
SXOVHꢄꢂZKLFKHYHUꢂRFFXUVꢂILUVWꢁ
:&ꢂ ꢂ:RUGꢂ&RXQWꢁꢂ1XPEHUꢂRIꢂZULWHꢂEXIIHUꢂORFDWLRQVꢂWRꢂORDGꢂPLQXVꢂꢀꢁꢂ
Ir)
ꢀꢁ 6HHꢂ7DEOHꢂꢀꢆꢁꢀꢂIRUꢂGHVFULSWLRQꢂRIꢂEXVꢂRSHUDWLRQVꢁ
ꢆꢁ $OOꢂYDOXHVꢂDUHꢂLQꢂKH[DGHFLPDOꢁ
ꢊꢁ 6KDGHGꢂFHOOVꢂLQGLFDWHꢂUHDGꢂF\FOHVꢁ
ꢎꢁ $GGUHVVꢂDQGꢂGDWDꢂELWVꢂQRWꢂVSHFLILHGꢂLQꢂWDEOHꢄꢂOHJHQGꢄꢂRUꢂQRWHVꢂDUHꢂ
GRQ¶WꢂFDUHVꢂꢏHDFKꢂKH[ꢂGLJLWꢂLPSOLHVꢂꢎꢂELWVꢂRIꢂGDWDꢐꢁ
ꢉꢁ :ULWLQJꢂLQFRUUHFWꢂDGGUHVVꢂDQGꢂGDWDꢂYDOXHVꢂRUꢂZULWLQJꢂWKHPꢂLQꢂWKHꢂ
LPSURSHUꢂVHTXHQFHꢂPD\ꢂSODFHꢂWKHꢂGHYLFHꢂLQꢂDQꢂXQNQRZQꢂVWDWHꢁꢂ
7KHꢂV\VWHPꢂPXVWꢂZULWHꢂWKHꢂUHVHWꢂFRPPDQGꢂWRꢂUHWXUQꢂWKHꢂGHYLFHꢂ
WRꢂUHDGLQJꢂDUUD\ꢂGDWDꢁ
ꢌꢁ 1RꢂXQORFNꢂRUꢂFRPPDQGꢂF\FOHVꢂUHTXLUHGꢂZKHQꢂEDQNꢂLVꢂUHDGLQJꢂ
DUUD\ꢂGDWDꢁ
ꢋꢁ 5HVHWꢂFRPPDQGꢂLVꢂUHTXLUHGꢂWRꢂUHWXUQꢂWRꢂUHDGLQJꢂDUUD\ꢂGDWDꢂꢏRUꢂWRꢂ
WKHꢂHUDVHꢃVXVSHQGꢃUHDGꢂPRGHꢂLIꢂSUHYLRXVO\ꢂLQꢂ(UDVHꢂ6XVSHQGꢐꢂ
ZKHQꢂDꢂEDQNꢂLVꢂLQꢂWKHꢂDXWRVHOHFWꢂPRGHꢄꢂRUꢂLIꢂ'4ꢉꢂJRHVꢂKLJKꢂ
ꢏZKLOHꢂWKHꢂEDQNꢂLVꢂSURYLGLQJꢂVWDWXVꢂLQIRUPDWLRQꢐꢂRUꢂSHUIRUPLQJꢂ
VHFWRUꢂORFNꢍXQORFNꢁ
ꢀꢊꢁ 6\VWHPꢂPD\ꢂUHDGꢂDQGꢂSURJUDPꢂLQꢂQRQꢃHUDVLQJꢂVHFWRUVꢄꢂRUꢂHQWHUꢂ
WKHꢂDXWRVHOHFWꢂPRGHꢄꢂZKHQꢂLQꢂWKHꢂ(UDVHꢂ6XVSHQGꢂPRGHꢁꢂ7KHꢂ
(UDVHꢂ6XVSHQGꢂFRPPDQGꢂLVꢂYDOLGꢂRQO\ꢂGXULQJꢂDꢂVHFWRUꢂHUDVHꢂ
RSHUDWLRQꢄꢂDQGꢂUHTXLUHVꢂWKHꢂEDQNꢂDGGUHVVꢁ
ꢀꢎꢁ (UDVHꢂ5HVXPHꢂFRPPDQGꢂLVꢂYDOLGꢂRQO\ꢂGXULQJꢂWKHꢂ(UDVHꢂ6XVSHQGꢂ
PRGHꢄꢂDQGꢂUHTXLUHVꢂWKHꢂEDQNꢂDGGUHVVꢁ
ꢀꢉꢁ &RPPDQGꢂLVꢂYDOLGꢂZKHQꢂGHYLFHꢂLVꢂUHDG\ꢂWRꢂUHDGꢂDUUD\ꢂGDWDꢂRUꢂ
ZKHQꢂGHYLFHꢂLVꢂLQꢂDXWRVHOHFWꢂPRGHꢁꢂ$GGUHVVꢂHTXDOVꢂꢉꢉKꢂRQꢂDOOꢂ
IXWXUHꢂGHYLFHVꢄꢂEXWꢂꢉꢉꢉKꢂIRUꢂ:6ꢆꢉꢌ1ꢍꢀꢆꢑ1ꢁ
ꢀꢌꢁ 5HTXLUHVꢂ(QWU\ꢂFRPPDQGꢂVHTXHQFHꢂSULRUꢂWRꢂH[HFXWLRQꢁꢂ8QORFNꢂ
%\SDVVꢂ5HVHWꢂFRPPDQGꢂLVꢂUHTXLUHGꢂWRꢂUHWXUQꢂWRꢂUHDGLQJꢂDUUD\ꢂ
GDWDꢁ
ꢀꢋꢁ 5HTXLUHVꢂ(QWU\ꢂFRPPDQGꢂVHTXHQFHꢂSULRUꢂWRꢂH[HFXWLRQꢁꢂ6HFXUHGꢂ
6LOLFRQꢂ6HFWRUꢂ([LWꢂ5HVHWꢂFRPPDQGꢂLVꢂUHTXLUHGꢂWRꢂH[LWꢂWKLVꢂPRGHꢇꢂ
GHYLFHꢂPD\ꢂRWKHUZLVHꢂEHꢂSODFHGꢂLQꢂDQꢂXQNQRZQꢂVWDWHꢁ
ꢀꢑꢁ 5HTXLUHVꢂUHVHWꢂFRPPDQGꢂWRꢂFRQILJXUHꢂWKHꢂ&RQILJXUDWLRQꢂ5HJLVWHUꢁ
ꢑꢁ 7KHꢂV\VWHPꢂPXVWꢂSURYLGHꢂWKHꢂEDQNꢂDGGUHVVꢁꢂ6HHꢂ$XWRVHOHFWꢂ
VHFWLRQꢂIRUꢂPRUHꢂLQIRUPDWLRQꢃ
ꢒꢁ 'DWDꢂLQꢂF\FOHꢂꢉꢂLVꢂꢆꢆꢊꢈꢂꢏ:6ꢆꢉꢌ1ꢐꢂRUꢂꢆꢆꢊꢀꢂꢏ:6ꢀꢆꢑ1ꢐꢁ
ꢀꢈꢁ 6HHꢂ7DEOHꢂꢀꢆꢁꢀꢈꢂIRUꢂLQGLFDWRUꢂELWꢂYDOXHVꢁ
ꢀꢀꢁ 7RWDOꢂQXPEHUꢂRIꢂF\FOHVꢂLQꢂWKHꢂFRPPDQGꢂVHTXHQFHꢂLVꢂGHWHUPLQHGꢂ
E\ꢂWKHꢂQXPEHUꢂRIꢂZRUGVꢂZULWWHQꢂWRꢂWKHꢂZULWHꢂEXIIHUꢁ
ꢀꢆꢁ &RPPDQGꢂVHTXHQFHꢂUHVHWVꢂGHYLFHꢂIRUꢂQH[WꢂFRPPDQGꢂDIWHUꢂZULWHꢃ
WRꢃEXIIHUꢂRSHUDWLRQꢁ
December 3, 2005 S29WS-N_m0_I0
97
P r e l i m i n a r y
Table 17.2. Sector Protection Commands
%XVꢀ&\FOHVꢀꢂ1RWHVꢀꢄ±ꢒꢃ
)LUVW
6HFRQG
7KLUGꢀ
)RXUWK
)LIWK
6L[WK
6HYHQWK
&RPPDQGꢀ6HTXHQFH
ꢂ1RWHVꢃ
$GGU
'DWD
$$
$GGU
'DWD
ꢊꢊ
$GGU
'DWD
$GGU 'DWD $GGU 'DWD $GGU 'DWD $GGU 'DWD
&RPPDQGꢀ6HWꢀ(QWU\ꢀꢁꢊꢂ
ꢑ
ꢏ
ꢇ
ꢏ
ꢑ
ꢏ
ꢍ
ꢈ
ꢏ
ꢑ
ꢏ
ꢏ
ꢇ
ꢏ
ꢑ
ꢏ
ꢇ
ꢊꢊꢊ
;;
ꢏ$$
ꢊꢊꢊ
ꢍꢌ
/RFNꢀ
5HJLVWHU
%LWV
3URJUDPꢀꢁꢎꢄꢀꢇꢏꢂ
$ꢌ
ꢈꢈꢒꢌꢌ
GDWD
5HDGꢀꢁꢎꢂ
ꢈꢈ
GDWD
ꢉꢌ
&RPPDQGꢀ6HWꢀ([LWꢀꢁꢈꢂ
&RPPDQGꢀ6HWꢀ(QWU\ꢀꢁꢊꢂ
3URJUDPꢀ>ꢌꢅꢑ@ꢀꢁꢋꢂ
5HDGꢀꢁꢉꢂ
;;
;;
ꢏ$$
ꢌꢌ
ꢌꢌ
ꢊꢊ
ꢊꢊꢊ
;;
$$
ꢊꢊꢊ
ꢎꢌ
$ꢌ
3:'>ꢌꢅꢑ@
3:'ꢇ
ꢌꢑ
3DVVZRUG
3URWHFWLRQ
ꢌꢃꢃꢃꢌꢌ 3:'ꢌ ꢌꢃꢃꢃꢌꢇ
ꢌꢃꢃꢃꢌꢏ
ꢌꢌ
3:'ꢏ ꢌꢃꢃꢃꢌꢑ 3:'ꢑ
:'ꢌ ꢌꢇ
8QORFN
ꢌꢌ
;;
ꢊꢊꢊ
;;
;;
6$
;;
ꢊꢊꢊ
;;
%$
ꢏꢊ
ꢉꢌ
ꢌꢌ
;;
3
3
:'ꢇ
ꢌꢏ
3
:'ꢏ
ꢌꢑ
3
:'ꢑ
ꢌꢌ
ꢏꢉ
&RPPDQGꢀ6HWꢀ([LWꢀꢁꢈꢂ
&RPPDQGꢀ6HWꢀ(QWU\ꢀꢁꢊꢂ
33%ꢀ3URJUDPꢀꢁꢇꢌꢂ
$OOꢀ33%ꢀ(UDVHꢀꢁꢇꢌꢄꢀꢇꢇꢂ
33%ꢀ6WDWXVꢀ5HDG
ꢌꢌ
$$
ꢏ$$
6$
ꢊꢊ
>%$@ꢊꢊꢊ
&ꢌ
$ꢌ
ꢌꢌ
1RQꢅ9RODWLOHꢀ
6HFWRUꢀ
3URWHFWLRQꢀꢁ33%ꢂ
ꢋꢌ
ꢌꢌ
ꢑꢌ
5'ꢁꢌꢂ
ꢉꢌ
&RPPDQGꢀ6HWꢀ([LWꢀꢁꢈꢂ
&RPPDQGꢀ6HWꢀ(QWU\ꢀꢁꢊꢂ
33%ꢀ/RFNꢀ%LWꢀ6HW
;;
ꢏ$$
;;
ꢌꢌ
ꢊꢊ
ꢌꢌ
*OREDOꢀ
9RODWLOHꢀ6HFWRUꢀ
3URWHFWLRQꢀ
)UHH]Hꢀ
$$
>%$@ꢊꢊꢊ
>%$@ꢊꢊꢊ
ꢊꢌ
(ꢌ
$ꢌ
33%ꢀ/RFNꢀ%LWꢀ6WDWXVꢀ5HDG
5'ꢁꢌꢂ
&RPPDQGꢀ6HWꢀ([LWꢀꢁꢈꢂ
ꢏ
;;
ꢉꢌ
;;
ꢌꢌ
ꢁ33%ꢀ/RFNꢂ
&RPPDQGꢀ6HWꢀ(QWU\ꢀꢁꢊꢂ
'<%ꢀ6HW
ꢑ
ꢏ
ꢏ
ꢇ
ꢏ
ꢊꢊꢊ
;;
;;
6$
;;
$$
$ꢌ
ꢏ$$
6$
ꢊꢊ
ꢌꢌ
ꢌꢇ
9RODWLOHꢀ6HFWRU
3URWHFWLRQꢀ
ꢁ'<%ꢂ
'<%ꢀ&OHDU
$ꢌ
6$
'<%ꢀ6WDWXVꢀ5HDG
&RPPDQGꢀ6HWꢀ([LWꢀꢁꢈꢂ
5'ꢁꢌꢂ
ꢉꢌ
;;
ꢌꢌ
Grtrq)
;ꢂ ꢂ'RQ¶WꢂFDUHꢁ
%$ꢂ ꢂ%DQNꢂ$GGUHVVꢁꢂ:6ꢆꢉꢌ1ꢂ ꢂ$ꢆꢊ±$ꢆꢈꢇꢂ:6ꢀꢆꢑ1ꢂ ꢂ$ꢆꢆ±$ꢆꢈꢁ
5$ꢂ ꢂ$GGUHVVꢂRIꢂWKHꢂPHPRU\ꢂORFDWLRQꢂWRꢂEHꢂUHDGꢁꢂ
3'ꢏꢈꢐꢂ ꢂ6HFXUHGꢂ6LOLFRQꢂ6HFWRUꢂ/RFNꢂ%LWꢁꢂ3'ꢏꢈꢐꢄꢂRUꢂELW>ꢈ@ꢁ
3'ꢏꢀꢐꢂ ꢂ3HUVLVWHQWꢂ3URWHFWLRQꢂ0RGHꢂ/RFNꢂ%LWꢁꢂ3'ꢏꢀꢐꢄꢂRUꢂELW>ꢀ@ꢄꢂPXVWꢂ
EHꢂVHWꢂWRꢂµꢈ¶ꢂIRUꢂSURWHFWLRQꢂZKLOHꢂ3'ꢏꢆꢐꢄꢂELW>ꢆ@ꢂPXVWꢂEHꢂOHIWꢂDVꢂµꢀ¶ꢁ
3'ꢏꢆꢐꢂ ꢂ3DVVZRUGꢂ3URWHFWLRQꢂ0RGHꢂ/RFNꢂ%LWꢁꢂ3'ꢏꢆꢐꢄꢂRUꢂELW>ꢆ@ꢄꢂPXVWꢂ
EHꢂVHWꢂWRꢂµꢈ¶ꢂIRUꢂSURWHFWLRQꢂZKLOHꢂ3'ꢏꢀꢐꢄꢂELW>ꢀ@ꢂPXVWꢂEHꢂOHIWꢂDVꢂµꢀ¶ꢁ
3'ꢏꢊꢐꢂ ꢂ3URWHFWLRQꢂ0RGHꢂ273ꢂ%LWꢁꢂ3'ꢏꢊꢐꢂRUꢂELW>ꢊ@ꢁ
3:'ꢊ±3:'ꢈꢂ ꢂ3DVVZRUGꢂ'DWDꢁꢂ3'ꢊ±3'ꢈꢂSUHVHQWꢂIRXUꢂꢀꢌꢂELWꢂ
FRPELQDWLRQVꢂWKDWꢂUHSUHVHQWꢂWKHꢂꢌꢎꢃELWꢂ3DVVZRUG
3:$ꢂ ꢂ3DVVZRUGꢂ$GGUHVVꢁꢂ$GGUHVVꢂELWVꢂ$ꢀꢂDQGꢂ$ꢈꢂDUHꢂXVHGꢂWRꢂVHOHFWꢂ
HDFKꢂꢀꢌꢃELWꢂSRUWLRQꢂRIꢂWKHꢂꢌꢎꢃELWꢂHQWLW\ꢁ
3:'ꢂ ꢂ3DVVZRUGꢂ'DWDꢁ
5'ꢏꢈꢐꢄꢂ5'ꢏꢀꢐꢄꢂ5'ꢏꢆꢐꢂ ꢂ'4ꢈꢄꢂ'4ꢀꢄꢂRUꢂ'4ꢆꢂSURWHFWLRQꢂLQGLFDWRUꢂELWꢁꢂ,Iꢂ
SURWHFWHGꢄꢂ'4ꢈꢄꢂ'4ꢀꢄꢂRUꢂ'4ꢆꢂ ꢂꢈꢁꢂ,IꢂXQSURWHFWHGꢄꢂ'4ꢈꢄꢂ'4ꢀꢄꢂ
'4ꢆ ꢀꢁ
6$ꢂ ꢂ6HFWRUꢂ$GGUHVVꢁꢂ:6ꢆꢉꢌ1ꢂ ꢂ$ꢆꢊ±$ꢀꢎꢇꢂ:6ꢀꢆꢑ1ꢂ ꢂ$ꢆꢆ±$ꢀꢎꢁ
Ir)
ꢀꢁ $OOꢂYDOXHVꢂDUHꢂLQꢂKH[DGHFLPDOꢁ
ꢑꢁ (QWLUHꢂWZRꢂEXVꢃF\FOHꢂVHTXHQFHꢂPXVWꢂEHꢂHQWHUHGꢂIRUꢂHDFKꢂSRUWLRQꢂ
RIꢂWKHꢂSDVVZRUGꢁ
ꢆꢁ 6KDGHGꢂFHOOVꢂLQGLFDWHꢂUHDGꢂF\FOHVꢁ
ꢒꢁ )XOOꢂDGGUHVVꢂUDQJHꢂLVꢂUHTXLUHGꢂIRUꢂUHDGLQJꢂSDVVZRUGꢁ
ꢀꢈꢁ 6HHꢂ)LJXUHꢂꢀꢊꢁꢆꢂIRUꢂGHWDLOVꢁ
ꢀꢀꢁ ³$OOꢂ33%ꢂ(UDVH´ꢂFRPPDQGꢂSUHꢃSURJUDPVꢂDOOꢂ33%VꢂEHIRUHꢂHUDVXUHꢂ
WRꢂSUHYHQWꢂRYHUꢃHUDVXUHꢁ
ꢀꢆꢁ 7KHꢂVHFRQGꢂF\FOHꢂDGGUHVVꢂIRUꢂWKHꢂORFNꢂUHJLVWHUꢂSURJUDPꢂRSHUDWLRQꢂ
LVꢂꢋꢋꢂIRUꢂ6ꢆꢒ:6ꢆꢉꢌ1ꢇꢂKRZHYHUꢄꢂIRUꢂ:6ꢀꢆꢑ1ꢂWKLVꢂDGGUHVVꢂLVꢂꢈꢈꢁ
ꢊꢁ $GGUHVVꢂDQGꢂGDWDꢂELWVꢂQRWꢂVSHFLILHGꢂLQꢂWDEOHꢄꢂOHJHQGꢄꢂRUꢂQRWHVꢂDUHꢂ
GRQ¶WꢂFDUHVꢂꢏHDFKꢂKH[ꢂGLJLWꢂLPSOLHVꢂꢎꢂELWVꢂRIꢂGDWDꢐꢁ
ꢎꢁ :ULWLQJꢂLQFRUUHFWꢂDGGUHVVꢂDQGꢂGDWDꢂYDOXHVꢂRUꢂZULWLQJꢂWKHPꢂLQꢂWKHꢂ
LPSURSHUꢂVHTXHQFHꢂPD\ꢂSODFHꢂWKHꢂGHYLFHꢂLQꢂDQꢂXQNQRZQꢂVWDWHꢁꢂ
7KHꢂV\VWHPꢂPXVWꢂZULWHꢂWKHꢂUHVHWꢂFRPPDQGꢂWRꢂUHWXUQꢂWKHꢂGHYLFHꢂ
WRꢂUHDGLQJꢂDUUD\ꢂGDWDꢁ
ꢉꢁ (QWU\ꢂFRPPDQGVꢂDUHꢂUHTXLUHGꢂWRꢂHQWHUꢂDꢂVSHFLILFꢂPRGHꢂWRꢂHQDEOHꢂ
LQVWUXFWLRQVꢂRQO\ꢂDYDLODEOHꢂZLWKLQꢂWKDWꢂPRGHꢁ
ꢌꢁ ,IꢂERWKꢂWKHꢂ3HUVLVWHQWꢂ3URWHFWLRQꢂ0RGHꢂ/RFNLQJꢂ%LWꢂDQGꢂWKHꢂ
3DVVZRUGꢂ3URWHFWLRQꢂ0RGHꢂ/RFNLQJꢂ%LWꢂDUHꢂVHWꢂDWꢂWKHꢂVDPHꢂWLPHꢄꢂ
WKHꢂFRPPDQGꢂRSHUDWLRQꢂDERUWVꢂDQGꢂUHWXUQVꢂWKHꢂGHYLFHꢂWRꢂWKHꢂ
GHIDXOWꢂ3HUVLVWHQWꢂ6HFWRUꢂ3URWHFWLRQꢂ0RGHꢂGXULQJꢂꢆQGꢂEXVꢂF\FOHꢁꢂ
1RWHꢂWKDWꢂRQꢂDOOꢂIXWXUHꢂGHYLFHVꢄꢂDGGUHVVHVꢂHTXDOꢂꢈꢈKꢄꢂEXWꢂLVꢂ
FXUUHQWO\ꢂꢋꢋKꢂIRUꢂWKHꢂ:6ꢆꢉꢌ1ꢂRQO\ꢁꢂ6HHꢂ7DEOHVꢂ ꢀꢊꢁꢀꢂDQGꢂꢀꢊꢁꢆꢂIRUꢂ
H[SODQDWLRQꢂRIꢂORFNꢂELWVꢁꢂ
ꢋꢁ ([LWꢂFRPPDQGꢂPXVWꢂEHꢂLVVXHGꢂWRꢂUHVHWꢂWKHꢂGHYLFHꢂLQWRꢂUHDGꢂ
PRGHꢇꢂGHYLFHꢂPD\ꢂRWKHUZLVHꢂEHꢂSODFHGꢂLQꢂDQꢂXQNQRZQꢂVWDWHꢁ
98
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
17.1 Common Flash Memory Interface
7KHꢀ&RPPRQꢀ)ODVKꢀ,QWHUIDFHꢀꢁ&),ꢂꢀVSHFLILFDWLRQꢀRXWOLQHVꢀGHYLFHꢀDQGꢀKRVWꢀV\VWHPꢀVRIWZDUHꢀLQWHUꢅ
URJDWLRQꢀKDQGVKDNHꢄꢀZKLFKꢀDOORZVꢀVSHFLILFꢀYHQGRUꢅVSHFLILHGꢀVRIWꢅZDUHꢀDOJRULWKPVꢀWRꢀEHꢀXVHGꢀIRU
HQWLUHꢀIDPLOLHVꢀRIꢀGHYLFHVꢃꢀ6RIWZDUHꢀVXSSRUWꢀFDQꢀWKHQꢀEHꢀGHYLFHꢅLQGHSHQGHQWꢄꢀ-('(&ꢀ,'ꢅLQGHSHQꢅ
GHQWꢄꢀDQGꢀIRUZDUGꢅꢀDQGꢀEDFNꢅZDUGꢅFRPSDWLEOHꢀIRUꢀWKHꢀVSHFLILHGꢀIODVKꢀGHYLFHꢀIDPLOLHVꢃꢀ)ODVK
YHQGRUVꢀFDQꢀVWDQGDUGL]HꢀWKHLUꢀH[LVWLQJꢀLQWHUIDFHVꢀIRUꢀORQJꢅWHUPꢀFRPSDWLELOLW\ꢃꢀ
7KLVꢀGHYLFHꢀHQWHUVꢀWKHꢀ&),ꢀ4XHU\ꢀPRGHꢀZKHQꢀWKHꢀV\VWHPꢀZULWHVꢀWKHꢀ&),ꢀ4XHU\ꢀFRPPDQGꢄꢀꢉꢋKꢄ
WRꢀDGGUHVVꢀꢁ%$ꢂꢊꢊꢊKꢀDQ\ꢀWLPHꢀWKHꢀGHYLFHꢀLVꢀUHDG\ꢀWRꢀUHDGꢀDUUD\ꢀGDWDꢃꢀ7KHꢀV\VWHPꢀFDQꢀUHDGꢀ&),
LQIRUPDWLRQꢀDWꢀWKHꢀDGGUHVVHVꢀJLYHQꢀLQꢀ7DEOHVꢀꢇꢈꢃꢑ±ꢇꢈꢃꢎꢂꢀZLWKLQꢀWKDWꢀEDQNꢃꢀ$OOꢀUHDGVꢀRXWVLGHꢀRI
WKHꢀ&),ꢀDGGUHVVꢀUDQJHꢄꢀZLWKLQꢀWKHꢀEDQNꢄꢀUHWXUQVꢀQRQꢅYDOLGꢀGDWDꢃꢀ5HDGVꢀIURPꢀRWKHUꢀEDQNVꢀDUHꢀDOꢅ
ORZHGꢄꢀZULWHVꢀDUHꢀQRWꢃꢀ7RꢀWHUPLQDWHꢀUHDGLQJꢀ&),ꢀGDWDꢄꢀWKHꢀV\VWHPꢀPXVWꢀZULWHꢀWKHꢀUHVHWꢀFRPPDQGꢃꢀ
7KHꢀIROORZLQJꢀLVꢀDꢀ&ꢀVRXUFHꢀFRGHꢀH[DPSOHꢀRIꢀXVLQJꢀWKHꢀ&),ꢀ(QWU\ꢀDQGꢀ([LWꢀIXQFWLRQVꢃꢀ5HIHUꢀWRꢀWKH
6SDQVLRQꢂ/RZꢂ/HYHOꢂ'ULYHUꢂ8VHU¶Vꢂ*XLGHꢀꢁDYDLODEOHꢀRQꢀZZZꢃDPGꢃFRPꢀDQGꢀZZZꢃIXMLWVXꢃFRPꢂꢀIRU
JHQHUDOꢀLQIRUPDWLRQꢀRQꢀ6SDQVLRQꢀ)ODVKꢀPHPRU\ꢀVRIWZDUHꢀGHYHORSPHQWꢀJXLGHOLQHVꢃ
/* Example: CFI Entry command */
*( (UINT16 *)bank_addr + 0x555 ) = 0x0098;
/* write CFI entry command
/* write cfi exit command
*/
*/
/* Example: CFI Exit command */
*( (UINT16 *)bank_addr + 0x000 ) = 0x00F0;
)RUꢀIXUWKHUꢀLQIRUPDWLRQꢄꢀSOHDVHꢀUHIHUꢀWRꢀWKHꢀ&),ꢀ6SHFLILFDWLRQꢀꢁVHHꢀ-('(&ꢀSXEOLFDWLRQVꢀ-(3ꢇꢑꢈꢅ$
DQGꢀ-(6'ꢎꢋꢃꢌꢇDQGꢀ&),ꢀ3XEOLFDWLRQꢀꢇꢌꢌꢂꢃꢀ3OHDVHꢀFRQWDFWꢀ\RXUꢀVDOHVꢀRIILFHꢀIRUꢀFRSLHVꢀRIꢀWKHVH
GRFXPHQWVꢃ
Table 17.3. CFI Query Identification String
Addresses
Data
Description
ꢇꢌK
ꢇꢇK
ꢇꢏK
ꢌꢌꢊꢇK
ꢌꢌꢊꢏK
ꢌꢌꢊꢉK
4XHU\ꢀ8QLTXHꢀ$6&,,ꢀVWULQJꢀ³45<´
ꢇꢑK
ꢇꢍK
ꢌꢌꢌꢏK
ꢌꢌꢌꢌK
3ULPDU\ꢀ2(0ꢀ&RPPDQGꢀ6HW
ꢇꢊK
ꢇꢎK
ꢌꢌꢍꢌK
ꢌꢌꢌꢌK
$GGUHVVꢀIRUꢀ3ULPDU\ꢀ([WHQGHGꢀ7DEOH
ꢇꢈK
ꢇꢋK
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
$OWHUQDWHꢀ2(0ꢀ&RPPDQGꢀ6HWꢀꢁꢌꢌKꢀ ꢀQRQHꢀH[LVWVꢂ
$GGUHVVꢀIRUꢀ$OWHUQDWHꢀ2(0ꢀ([WHQGHGꢀ7DEOHꢀꢁꢌꢌKꢀ ꢀQRQHꢀH[LVWVꢂ
ꢇꢉK
ꢇ$K
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
Table 17.4. System Interface String
Addresses
Data
Description
9&&ꢀ0LQꢃꢀꢁZULWHꢒHUDVHꢂ
ꢇ%K
ꢇ&K
ꢌꢌꢇꢈK
'ꢈ±'ꢍꢆꢀYROWꢄꢀ'ꢑ±'ꢌꢆꢀꢇꢌꢌꢀPLOOLYROWꢀ
9&&ꢀ0D[ꢃꢀꢁZULWHꢒHUDVHꢂ
'ꢈ±'ꢍꢆꢀYROWꢄꢀ'ꢑ±'ꢌꢆꢀꢇꢌꢌꢀPLOOLYROWꢀ
ꢌꢌꢇꢉK
ꢇ'K
ꢇ(K
ꢇ)K
ꢏꢌK
ꢏꢇK
ꢏꢏK
ꢏꢑK
ꢏꢍK
ꢏꢊK
ꢏꢎK
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
ꢌꢌꢌꢎK
ꢌꢌꢌꢉK
ꢌꢌꢌ$K
ꢌꢌꢌꢌK
ꢌꢌꢌꢍK
ꢌꢌꢌꢍK
ꢌꢌꢌꢑK
ꢌꢌꢌꢌK
9
9
33ꢀ0LQꢃꢀYROWDJHꢀꢁꢌꢌKꢀ ꢀQRꢀ933ꢀSLQꢀSUHVHQWꢂ
33ꢀ0D[ꢃꢀYROWDJHꢀꢁꢌꢌKꢀ ꢀQRꢀ933ꢀSLQꢀSUHVHQWꢂ
7\SLFDOꢀWLPHRXWꢀSHUꢀVLQJOHꢀE\WHꢒZRUGꢀZULWHꢀꢏ ꢀVꢀ
7\SLFDOꢀWLPHRXWꢀIRUꢀ0LQꢃꢀVL]HꢀEXIIHUꢀZULWHꢀꢏ ꢀVꢀꢁꢌꢌKꢀ ꢀQRWꢀVXSSRUWHGꢂꢀ
7\SLFDOꢀWLPHRXWꢀSHUꢀLQGLYLGXDOꢀEORFNꢀHUDVHꢀꢏ ꢀPV
7\SLFDOꢀWLPHRXWꢀIRUꢀIXOOꢀFKLSꢀHUDVHꢀꢏ ꢀPVꢀꢁꢌꢌKꢀ ꢀQRWꢀVXSSRUWHGꢂ
0D[ꢃꢀWLPHRXWꢀIRUꢀE\WHꢒZRUGꢀZULWHꢀꢏ WLPHVꢀW\SLFDOꢀ
0D[ꢃꢀWLPHRXWꢀIRUꢀEXIIHUꢀZULWHꢀꢏ WLPHVꢀW\SLFDOꢀ
0D[ꢃꢀWLPHRXWꢀSHUꢀLQGLYLGXDOꢀEORFNꢀHUDVHꢀꢏ ꢀWLPHVꢀW\SLFDO
0D[ꢃꢀWLPHRXWꢀIRUꢀIXOOꢀFKLSꢀHUDVHꢀꢏ ꢀWLPHVꢀW\SLFDOꢀꢁꢌꢌKꢀ ꢀQRWꢀVXSSRUWHGꢂ
December 3, 2005 S29WS-N_m0_I0
99
P r e l i m i n a r y
Table 17.5. Device Geometry Definition
Addresses
Data
Description
ꢌꢌꢇꢉKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢇꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢏꢈK
'HYLFHꢀ6L]Hꢀ ꢀꢏ ꢀE\WH
ꢏꢋK
ꢏꢉK
ꢌꢌꢌꢇK
ꢌꢌꢌꢌK
)ODVKꢀ'HYLFHꢀ,QWHUIDFHꢀGHVFULSWLRQ
0D[ꢃꢀQXPEHUꢀRIꢀE\WHVꢀLQꢀPXOWLꢅE\WHꢀZULWHꢀ ꢀꢏ ꢀ
ꢁꢌꢌKꢀ ꢀQRWꢀVXSSRUWHGꢂ
ꢏ$K
ꢏ%K
ꢌꢌꢌꢎK
ꢌꢌꢌꢌK
ꢏ&K
ꢌꢌꢌꢑK
1XPEHUꢀRIꢀ(UDVHꢀ%ORFNꢀ5HJLRQVꢀZLWKLQꢀGHYLFH
ꢏ'K
ꢏ(K
ꢏ)K
ꢑꢌK
ꢌꢌꢌꢑK
ꢌꢌꢌꢌK
ꢌꢌꢋꢌK
ꢌꢌꢌꢌK
(UDVHꢀ%ORFNꢀ5HJLRQꢀꢇꢀ,QIRUPDWLRQꢀ
ꢌꢌ)'Kꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢈ'Kꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢑꢇK
(UDVHꢀ%ORFNꢀ5HJLRQꢀꢏꢀ,QIRUPDWLRQ
ꢑꢏK
ꢑꢑK
ꢑꢍK
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
ꢌꢌꢌꢏK
ꢑꢊK
ꢑꢎK
ꢑꢈK
ꢑꢋK
ꢌꢌꢌꢑK
ꢌꢌꢌꢌK
ꢌꢌꢋꢌK
ꢌꢌꢌꢌK
(UDVHꢀ%ORFNꢀ5HJLRQꢀꢑꢀ,QIRUPDWLRQ
(UDVHꢀ%ORFNꢀ5HJLRQꢀꢍꢀ,QIRUPDWLRQ
ꢑꢉK
ꢑ$K
ꢑ%K
ꢑ&K
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
ꢌꢌꢌꢌK
100
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
Table 17.6. Primary Vendor-Specific Extended Query
Addresses
Data
Description
ꢍꢌK
ꢍꢇK
ꢍꢏK
ꢌꢌꢊꢌK
ꢌꢌꢊꢏK
ꢌꢌꢍꢉK
4XHU\ꢅXQLTXHꢀ$6&,,ꢀVWULQJꢀ³35,´
ꢍꢑK
ꢍꢍK
ꢌꢌꢑꢇK
ꢌꢌꢑꢍK
0DMRUꢀYHUVLRQꢀQXPEHUꢄꢀ$6&,,
0LQRUꢀYHUVLRQꢀQXPEHUꢄꢀ$6&,,
$GGUHVVꢀ6HQVLWLYHꢀ8QORFNꢀꢁ%LWVꢀꢇꢅꢌꢂ
ꢌꢀ ꢀ5HTXLUHGꢄꢀꢇꢀ ꢀ1RWꢀ5HTXLUHGꢀ
ꢍꢊK
ꢌꢇꢌꢌK
6LOLFRQꢀ7HFKQRORJ\ꢀꢁ%LWVꢀꢊꢅꢏꢂꢀꢌꢇꢌꢌꢀ ꢀꢌꢃꢇꢇꢀP
(UDVHꢀ6XVSHQG
ꢍꢎK
ꢍꢈK
ꢍꢋK
ꢍꢉK
ꢍ$K
ꢍ%K
ꢌꢌꢌꢏK
ꢌꢌꢌꢇK
ꢌꢌꢌꢌK
ꢌꢌꢌꢋK
ꢌꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀꢇꢀ ꢀ7Rꢀ5HDGꢀ2QO\ꢄꢀꢏꢀ ꢀ7Rꢀ5HDGꢀꢓꢀ:ULWH
6HFWRUꢀ3URWHFW
ꢌꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀSHUꢀJURXS
6HFWRUꢀ7HPSRUDU\ꢀ8QSURWHFW
ꢌꢌꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀꢌꢇꢀ ꢀ6XSSRUWHG
6HFWRUꢀ3URWHFWꢒ8QSURWHFWꢀVFKHPHꢀ
ꢌꢋꢀ ꢀ$GYDQFHGꢀ6HFWRUꢀ3URWHFWLRQ
6LPXOWDQHRXVꢀ2SHUDWLRQ
1XPEHUꢀRIꢀ6HFWRUVꢀLQꢀDOOꢀEDQNVꢀH[FHSWꢀERRWꢀEDQN
ꢌꢌ)ꢑKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢈ%Kꢀꢁ:6ꢇꢏꢋ1ꢂ
%XUVWꢀ0RGHꢀ7\SH
ꢌꢌꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀꢌꢇꢀ ꢀ6XSSRUWHG
ꢌꢌꢌꢇK
ꢌꢌꢌꢌK
3DJHꢀ0RGHꢀ7\SH
ꢍ&K
ꢌꢌꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀꢌꢇꢀ ꢀꢍꢀ:RUGꢀ3DJHꢄꢀꢌꢏꢀ ꢀꢋꢀ:RUGꢀ3DJHꢄꢀꢌꢍꢀ ꢀꢇꢎꢀ:RUGꢀ
3DJH
$&&ꢀꢁ$FFHOHUDWLRQꢂꢀ6XSSO\ꢀ0LQLPXP
ꢍ'K
ꢍ(K
ꢌꢌꢋꢊK
ꢌꢌꢉꢊK
ꢌꢌKꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀ'ꢈꢅ'ꢍꢆꢀ9ROWꢄꢀ'ꢑꢅ'ꢌꢆꢀꢇꢌꢌꢀP9
$&&ꢀꢁ$FFHOHUDWLRQꢂꢀ6XSSO\ꢀ0D[LPXP
ꢌꢌKꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀ'ꢈꢅ'ꢍꢆꢀ9ROWꢄꢀ'ꢑꢅ'ꢌꢆꢀꢇꢌꢌꢀP9
7RSꢒ%RWWRPꢀ%RRWꢀ6HFWRUꢀ)ODJ
ꢌꢌꢌꢇKꢀ ꢀ'XDOꢀ%RRWꢀ'HYLFH
ꢍ)K
ꢊꢌK
ꢊꢇK
ꢊꢏK
ꢊꢑK
ꢌꢌꢌꢇK
ꢌꢌꢌꢇK
ꢌꢌꢌꢇK
ꢌꢌꢌꢈK
ꢌꢌꢇꢍK
3URJUDPꢀ6XVSHQGꢃꢀꢌꢌKꢀ ꢀQRWꢀVXSSRUWHG
8QORFNꢀ%\SDVV
ꢌꢌꢀ ꢀ1RWꢀ6XSSRUWHGꢄꢀꢌꢇ 6XSSRUWHG
6HFXUHGꢀ6LOLFRQꢀ6HFWRUꢀꢁ&XVWRPHUꢀ273ꢀ$UHDꢂꢀ6L]Hꢀꢏ E\WHV
+DUGZDUHꢀ5HVHWꢀ/RZꢀ7LPHꢅRXWꢀGXULQJꢀDQꢀHPEHGGHGꢀDOJRULWKPꢀWRꢀUHDGꢀ
PRGHꢀ0D[LPXPꢀꢏ QV
+DUGZDUHꢀ5HVHWꢀ/RZꢀ7LPHꢅRXWꢀQRWꢀGXULQJꢀDQꢀHPEHGGHGꢀDOJRULWKPꢀWRꢀUHDGꢀ
PRGHꢀ0D[LPXPꢀꢏ QV
ꢊꢍK
ꢌꢌꢇꢍK
ꢊꢊK
ꢊꢎK
ꢊꢈK
ꢌꢌꢌꢊK
ꢌꢌꢌꢊK
ꢌꢌꢇꢌK
(UDVHꢀ6XVSHQGꢀ7LPHꢅRXWꢀ0D[LPXPꢀꢏ QV
3URJUDPꢀ6XVSHQGꢀ7LPHꢅRXWꢀ0D[LPXPꢀꢏ QV
%DQNꢀ2UJDQL]DWLRQꢆꢀ;ꢀ ꢀ1XPEHUꢀRIꢀEDQNV
ꢌꢌꢇꢑKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌ%Kꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢊꢋK
ꢊꢉK
%DQNꢀꢌꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQN
%DQNꢀꢇꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQN
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
December 3, 2005 S29WS-N_m0_I0
101
P r e l i m i n a r y
Table 17.6. Primary Vendor-Specific Extended Query (Continued)
Addresses
Data
Description
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢊ$K
%DQNꢀꢏꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢊ%K
ꢊ&K
ꢊ'K
ꢊ(K
ꢊ)K
ꢎꢌK
ꢎꢇK
ꢎꢏK
ꢎꢑK
ꢎꢍK
ꢎꢊK
ꢎꢎK
ꢎꢈK
%DQNꢀꢑꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢍꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢊꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢎꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢈꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢋꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢉꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢇꢌꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢇꢇꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢇꢏꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢇꢑꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢇꢍꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
%DQNꢀꢇꢊꢀ5HJLRQꢀ,QIRUPDWLRQꢃꢀ;ꢀ ꢀ1XPEHUꢀRIꢀVHFWRUVꢀLQꢀEDQNꢀ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢌKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌꢋKꢀꢁ:6ꢇꢏꢋ1ꢂ
ꢌꢌꢇꢑKꢀꢁ:6ꢏꢊꢎ1ꢂ
ꢌꢌꢌ%Kꢀꢁ:6ꢇꢏꢋ1ꢂ
102
S29WS-N_m0_I0 December 3, 2005
P r e l i m i n a r y
18 Revisions
Revision F (October 29, 2004)
'DWDꢀVKHHWꢀFRPSOHWHO\ꢀUHYLVHGꢃꢀ&KDQJHGꢀDUUDQJHPHQWꢀRIꢀVHFWLRQVꢕꢀHGLWHGꢀH[SODQDWRU\ꢀWH[Wꢄ
DGGHGꢀIORZFKDUWVꢃꢀ7KLVꢀGRFXPHQWꢀVXSHUVHGHVꢀ5HYLVLRQꢀ(ꢐꢇꢄꢀLVVXHGꢀ$XJXVWꢀꢉꢄꢀꢏꢌꢌꢍꢕꢀRQO\ꢀWKH
FKDQJHVꢀVSHFLILHGꢀIRUꢀ5HYLVLRQꢀ)ꢀLQꢀWKLVꢀVHFWLRQꢀDIIHFWꢀWKHꢀGRFXPHQWꢀRUꢀGHYLFHꢃꢀ$OOꢀRWKHUꢀGHYLFH
VSHFLILFDWLRQVꢀUHPDLQꢀWKHꢀVDPHꢀDVꢀSUHVHQWHGꢀLQꢀ5HYLVLRQꢀ(ꢐꢇꢃꢀ
'HOHWHGꢀSURGXFWꢀVHOHFWRUꢀJXLGHꢃꢀ
ꢄꢊꢎꢏꢎꢈꢑꢀ6\QFKURQRXVꢌ%XUVWꢀ5HDG
'HOHWHGꢀW$$6ꢀDQGꢀW$$+ꢀIURPꢀWDEOHꢃꢀ0RGLILHGꢀ1RWHꢀꢇꢃ
7DEOHꢀꢄꢆꢎꢒꢑꢀ6\VWHPꢀ,QWHUIDFHꢀ6WULQJ
&KDQJHGꢀGDWDꢀDWꢀDGGUHVVꢀꢏꢑKꢀIURPꢀꢌꢌꢌꢑKꢀWRꢀꢌꢌꢌꢍKꢃ
Revision G (January 27, 2005)
*OREDO
8SGDWHGꢀW,$&&ꢄꢀW%$&&ꢄꢀW2(ꢄꢀ&),ꢀDGGUHVVꢀꢍ$KꢄꢀDQGꢀWKHꢀ&RQILJXUDWLRQꢀ5HJLVWHUꢃ
$GGHGꢀ)LJXUHꢀꢇꢑꢃꢏꢄꢀ33%ꢀ3URJUDPꢒ(UDVHꢀ$OJRULWKPꢃ
Revision H (July 8, 2005)
$OOꢀUHIHUHQFHVꢀWRꢀ9,2ꢀFKDQJHGꢀWRꢀ9&&
5HPRYHGꢀDOOꢀUHIHUHQFHVꢀWRꢀWKHꢀ6ꢏꢉ:6ꢌꢎꢍ1
&KDQJHGꢀ&5ꢇꢍꢀWRꢀ5HVHUYHGꢃꢀ,WꢀLVꢀSUHꢅSURJUDPPHGꢀDWꢀWKHꢀIDFWRU\
8SGDWHGꢆꢀW$63ꢄꢀW363ꢄꢀ &&ꢇꢄꢀ,&&ꢑꢄꢀ,&&ꢍꢄꢀ,&&ꢎꢀVSHFLILFDWLRQV
,
5HPRYHGꢀW$2(ꢀDQGꢀDGGHGꢀI0,1ꢀVSHFLILFDWLRQV
8SGDWHGꢀDGGUHVVꢀODWHQF\ꢀWDEOHV
Revision I (December 3, 2005)
$GGHGꢀ3DJHꢂ0RGHꢂ5HDGꢀLQIRUPDWLRQ
5HYLVHGꢀW5$&&ꢀIURPꢀꢉꢀWRꢀꢋꢃꢊꢀQVꢀDQGꢀW$9'ꢀIURPꢀꢋꢀWRꢀꢈꢀQVꢀ
,QFRUSRUDWHGꢀVSHFLILFDWLRQꢀEXOOHWLQꢗVꢀFKDQJHVꢄꢀFODULILFDWLRQVꢀDQGꢀHUUDWD
$GGHGꢀWKHꢀꢇꢏꢋ 0ELWꢀꢋꢌꢀ0+]ꢀ231ꢀDQGꢀUHYLVHGꢀIURPꢀ$GYDQFHGꢀWRꢀ3UHOLPLQDU\ꢀ6SHFLILFDWLRQV
December 3, 2005 S29WS-N_m0_I0
103
Mobile SDRAM Type 1
128 Mbit (8M x 16Bit) SDRAM
PRELIMINARY
Features
7HPSHUDWXUHꢀFRPSHQVDWHGꢀVHOIꢀUHIUHVKꢀ
ꢂ7&65ꢃ
6HOIꢀ5HIUHVKꢀ0RGHꢔꢀVWDQGDUGꢀDQGꢀORZꢀSRZHU
ꢊꢒPVꢑꢀꢒꢑꢋꢐꢊꢇF\FOHꢀUHIUHVK
/977/ꢇFRPSDWLEOHꢀLQSXWVꢀDQGꢀRXWSXWV
/RZꢀYROWDJHꢀSRZHUꢀVXSSO\
3DUWLDOꢀDUUD\ꢀVHOIꢀUHIUHVKꢀSRZHUꢇVDYLQJꢀPRGH
'HHSꢀSRZHUꢇGRZQꢀPRGH
3URJUDPPDEOHꢀRXWSXWꢀGULYHꢀVWUHQJWK
2SHUDWLQJꢀWHPSHUDWXUHꢀUDQJHꢁ
)XOO\ꢀV\QFKURQRXVꢔꢀDOOꢀVLJQDOVꢀUHJLVWHUHGꢀRQꢀ
SRVLWLYHꢀHGJHꢀRIꢀV\VWHPꢀFORFN
,QWHUQDOꢀSLSHOLQHGꢀRSHUDWLRQꢔꢀFROXPQꢀDGGUHVVꢀ
FDQꢀEHꢀFKDQJHGꢀHYHU\ꢀFORFNꢀF\FOH
,QWHUQDOꢀEDQNVꢀIRUꢀKLGLQJꢀURZꢀDFFHVVꢌ
SUHFKDUJH
3URJUDPPDEOHꢀEXUVWꢀOHQJWKVꢁꢀꢄꢑꢀꢈꢑꢀꢒꢑꢀꢏꢑꢀRUꢀIXOOꢀ
SDJH
²
([WHQGHGꢀꢁꢅꢏꢊ&ꢀWRꢀꢐꢋꢊ&ꢂ
9''ꢌ9''4ꢁꢀꢄꢎꢏ 9ꢌꢄꢎꢏ 9
$XWRꢀ3UHFKDUJHꢑꢀLQFOXGHVꢀFRQFXUUHQWꢀDXWRꢀ
SUHFKDUJHꢑꢀDQGꢀ$XWRꢀ5HIUHVKꢀ0RGHV
Speed Options
$FFHVVꢀ7LPH
6SHHGꢀ*UDGH
&ORFNꢀ)UHTXHQF\
6HWXSꢀ7LPH
+ROGꢀ7LPH
&/ꢀ ꢀꢈ
&/ꢀ ꢀꢅ
ꢊꢃꢍ QV
²
ꢇꢑꢑ 0+]
ꢇꢌꢌ 0+]
ꢇꢌꢍ 0+]
ꢋꢑꢃꢑ 0+]
²
ꢎ QV
²
ꢏꢃꢊ QV
ꢏꢃꢊ QV
ꢏꢃꢊ QV
ꢏꢃꢊ QV
ꢇ QV
ꢇ QV
ꢇ QV
ꢇ QV
ꢅꢈꢊ
ꢅꢇꢌ
ꢈ QV
²
ꢋ QV
Address Table
8M x 16
&RQILJXUDWLRQ
ꢏꢀ0ꢀ[ꢀꢇꢎꢀ[ꢀꢍꢀEDQNV
ꢍ.
5HIUHVKꢀ&RXQW
5RZꢀ$GGUHVVLQJ
%DQNꢀ$GGUHVVLQJ
&ROXPQꢀ$GGUHVVLQJ
ꢍ.ꢀꢁ$ꢌ±$ꢇꢇꢂ
ꢍꢀꢁ%$ꢌꢄꢀ%$ꢇꢂ
ꢊꢇꢏꢀꢁ$ꢇ±$ꢋꢂ
Publication Number SDRAM_01 Revision A Amendment 3 Issue Date November 8, 2005
P r e l i m i n a r y
19 General Description
7KHꢀꢇꢏꢋ0Eꢀ6'5$0ꢀLVꢀDꢀKLJKꢅVSHHGꢀ&026ꢄꢀG\QDPLFꢀUDQGRPꢅDFFHVVꢀPHPRU\ꢀFRQꢅ
WDLQLQJꢀꢇꢑꢍꢄꢏꢇꢈꢄꢈꢏꢋꢀELWVꢃꢀ,WꢀLVꢀLQWHUQDOO\ꢀFRQILJXUHGꢀDVꢀDꢀTXDGꢀEDQNꢀ'5$0ꢀZLWKꢀD
V\QFKURQRXVꢀLQWHUIDFHꢀꢁDOOꢀVLJQDOVꢀDUHꢀUHJLVWHUHGꢀRQꢀWKHꢀSRVLWLYHꢀHGJHꢀRIꢀWKHꢀFORFN
VLJQDOꢄꢀ&/.ꢂꢃꢀ(DFKꢀRIꢀWKHꢀ[ꢇꢎVꢀꢑꢏꢄꢊꢊꢍꢄꢍꢑꢏꢅELWꢀEDQNVꢀLVꢀRUJDQL]HGꢀDVꢀꢍꢄꢌꢉꢎꢀURZV
E\ꢀꢊꢇꢏꢀFROXPQVꢀE\ꢀꢇꢎꢀELWVꢃ
5HDGꢀDQGꢀZULWHꢀDFFHVVHVꢀWRꢀWKHꢀ6'5$0ꢀDUHꢀEXUVWꢀRULHQWHGꢕꢀDFFHVVHVꢀVWDUWꢀDWꢀD
VHOHFWHGꢀORFDWLRQꢀDQGꢀFRQWLQXHꢀIRUꢀDꢀSURJUDPPHGꢀQXPEHUꢀRIꢀORFDWLRQVꢀLQꢀDꢀSURꢅ
JUDPPHGꢀVHTXHQFHꢃꢀ$FFHVVHVꢀEHJLQꢀZLWKꢀWKHꢀUHJLVWUDWLRQꢀRIꢀDQꢀ$FWLYHꢀFRPPDQGꢄ
ZKLFKꢀLVꢀWKHQꢀIROORZHGꢀE\ꢀDꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢃꢀ7KHꢀDGGUHVVꢀELWVꢀUHJLVWHUHG
FRLQFLGHQWꢀZLWKꢀWKHꢀ$FWLYHꢀFRPPDQGꢀDUHꢀXVHGꢀWRꢀVHOHFWꢀWKHꢀEDQNꢀDQGꢀURZꢀWRꢀEH
DFFHVVHGꢀꢁ%$ꢌꢄꢀ%$ꢇꢀVHOHFWꢀWKHꢀEDQNꢕꢀ$ꢌ±$ꢇꢇVHOHFWꢀWKHꢀURZꢂꢃꢀ7KHꢀDGGUHVVꢀELWV
UHJLVWHUHGꢀFRLQFLGHQWꢀZLWKꢀWKHꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢀDUHꢀXVHGꢀWRꢀVHOHFWꢀWKH
VWDUWLQJꢀFROXPQꢀORFDWLRQꢀIRUꢀWKHꢀEXUVWꢀDFFHVVꢃ
7KHꢀ6'5$0ꢀSURYLGHVꢀIRUꢀSURJUDPPDEOHꢀUHDGꢀRUꢀZULWHꢀEXUVWꢀOHQJWKVꢀRIꢀꢇꢄꢀꢏꢄꢀꢍꢄꢀRU
ꢋꢀORFDWLRQVꢄꢀRUꢀWKHꢀIXOOꢀSDJHꢄꢀZLWKꢀDꢀEXUVWꢀWHUPLQDWHꢀRSWLRQꢃꢀ$QꢀDXWRꢀSUHFKDUJH
IXQFWLRQꢀPD\ꢀEHꢀHQDEOHGꢀWRꢀSURYLGHꢀDꢀVHOIꢅWLPHGꢀURZꢀSUHFKDUJHꢀWKDWꢀLVꢀLQLWLDWHGꢀDW
WKHꢀHQGꢀRIꢀWKHꢀEXUVWꢀVHTXHQFHꢃ
7KHꢀꢇꢏꢋ0Eꢀ6'5$0ꢀXVHVꢀDQꢀLQWHUQDOꢀSLSHOLQHGꢀDUFKLWHFWXUHꢀWRꢀDFKLHYHꢀKLJKꢅVSHHG
RSHUDWLRQꢃꢀ7KLVꢀDUFKLWHFWXUHꢀLVꢀFRPSDWLEOHꢀZLWKꢀWKHꢀꢏQꢀUXOHꢀRIꢀSUHIHWFKꢀDUFKLWHFꢅ
WXUHVꢄꢀEXWꢀLWꢀDOVRꢀDOORZVꢀWKHꢀFROXPQꢀDGGUHVVꢀWRꢀEHꢀFKDQJHGꢀRQꢀHYHU\ꢀFORFNꢀF\FOH
WRꢀDFKLHYHꢀDꢀKLJKꢀVSHHGꢄꢀIXOO\ꢀUDQGRPꢀDFFHVVꢃꢀ3UHFKDUJLQJꢀRQHꢀEDQNꢀZKLOHꢀDFFHVVꢅ
LQJꢀRQHꢀRIꢀWKHꢀRWKHUꢀWKUHHꢀEDQNVꢀZLOOꢀKLGHꢀWKHꢀSUHFKDUJHꢀF\FOHVꢀDQGꢀSURYLGH
VHDPOHVVꢀKLJKꢅVSHHGꢄꢀUDQGRPꢅDFFHVVꢀRSHUDWLRQꢃ
7KHꢀꢇꢏꢋ0Eꢀ6'5$0ꢀLVꢀGHVLJQHGꢀWRꢀRSHUDWHꢀLQꢀꢇꢃꢋ9ꢄꢀORZꢅSRZHUꢀPHPRU\ꢀV\VWHPVꢃ
$QꢀDXWRꢀUHIUHVKꢀPRGHꢀLVꢀSURYLGHGꢄꢀDORQJꢀZLWKꢀDꢀSRZHUꢅVDYLQJꢄꢀ'HHSꢀ3RZHUꢅ'RZQ
0RGHꢃꢀ$OOꢀLQSXWVꢀDQGꢀRXWSXWVꢀDUHꢀ/977/ꢅFRPSDWLEOHꢃ
6'5$0VꢀRIIHUꢀVXEVWDQWLDOꢀDGYDQFHVꢀLQꢀ'5$0ꢀRSHUDWLQJꢀSHUIRUPDQFHꢄꢀLQFOXGLQJ
WKHꢀDELOLW\ꢀWRꢀV\QFKURQRXVO\ꢀEXUVWꢀGDWDꢀDWꢀDꢀKLJKꢀGDWDꢀUDWHꢀZLWKꢀDXWRPDWLFꢀFROXPQꢅ
DGGUHVVꢀJHQHUDWLRQꢄꢀWKHꢀDELOLW\ꢀWRꢀLQWHUOHDYHꢀEHWZHHQꢀLQWHUQDOꢀEDQNVꢀLQꢀRUGHUꢀWR
KLGHꢀSUHFKDUJHꢀWLPHꢀDQGꢀWKHꢀFDSDELOLW\ꢀWRꢀUDQGRPO\ꢀFKDQJHꢀFROXPQꢀDGGUHVVHVꢀRQ
HDFKꢀFORFNꢀF\FOHꢀGXULQJꢀDꢀEXUVWꢀDFFHVVꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
105
P r e l i m i n a r y
20 Functional Block Diagram
BA1
0
0
1
1
BA0
0
1
0
1
Bank
0
1
2
3
CKE
CLK
CONTROL
LOGIC
CS#
WE#
BANK3
CAS#
RAS#
BANK2
BANK1
REFRESH 12
COUNTER
MODE REGISTER
12
BANK0
ROW-
ADDRESS
LATCH
&
ROW-
ADDRESS
MUX
12
BANK0
MEMORY
ARRAY
2
2
4096
DQML,
DQMH
(4,096 x 512 x 16)
12
DECODER
DATA
OUTPUT
REGISTER
SENSE AMPLIFIERS
4096
16
16
DQ0-
DQ15
I/O GATING
2
DQM MASK LOGIC
READ DATA LATCH
WRITE DRIVERS
BANK
CONTROL
LOGIC
A0-A11,
BA0, BA1
ADDRESS
REGISTER
14
DATA
INPUT
REGISTER
2
16
512
(x16)
COLUMN
DECODER
COLUMN-
ADDRESS
COUNTER/
LATCH
9
8
Figure 20.1 Block Diagram
106
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
21 Pin Descriptions
Symbol
Type
Description
&ORFNꢆꢀ&/.ꢀLVꢀGULYHQꢀE\ꢀWKHꢀV\VWHPꢀFORFNꢃꢀ$OOꢀ6'5$0ꢀLQSXWꢀVLJQDOVꢀDUHꢀ
VDPSOHGꢀRQꢀWKHꢀSRVLWLYHꢀHGJHꢀRIꢀ&/.ꢃꢀ&/.ꢀDOVRꢀLQFUHPHQWVꢀWKHꢀLQWHUQDOꢀ
EXUVWꢀFRXQWHUꢀDQGꢀFRQWUROVꢀWKHꢀRXWSXWꢀUHJLVWHUVꢃ
&/.
,QSXW
&ORFNꢀ(QDEOHꢆꢀ&.(ꢀDFWLYDWHVꢀꢁ+LJKꢂꢀDQGꢀGHDFWLYDWHVꢀꢁ/RZꢂꢀWKHꢀ&/.ꢀVLJQDOꢃꢀ
'HDFWLYDWLQJꢀWKHꢀFORFNꢀSURYLGHVꢀ3UHFKDUJHꢀ3RZHUꢅ'RZQꢀDQGꢀ6HOIꢀ5HIUHVKꢀ
RSHUDWLRQꢀꢁDOOꢀEDQNVꢀLGOHꢂꢄꢀ$FWLYHꢀ3RZHUꢅ'RZQꢀꢁURZꢀDFWLYHꢀLQꢀDQ\ꢀEDQNꢂꢄꢀ
'HHSꢀ3RZHUꢀ'RZQꢀꢁDOOꢀEDQNVꢀLGOHꢂꢄꢀRUꢀ&ORFNꢀ6XVSHQGꢀRSHUDWLRQꢀꢁEXUVWꢒ
DFFHVVꢀLQꢀSURJUHVVꢂꢃꢀ&.(ꢀLVꢀV\QFKURQRXVꢀH[FHSWꢀDIWHUꢀWKHꢀGHYLFHꢀHQWHUVꢀ
SRZHUꢅGRZQꢀDQGꢀVHOIꢀUHIUHVKꢀPRGHVꢄꢀZKHUHꢀ&.(ꢀEHFRPHVꢀDV\QFKURQRXVꢀ
XQWLOꢀDIWHUꢀH[LWLQJꢀWKHꢀVDPHꢀPRGHꢃꢀ7KHꢀLQSXWꢀEXIIHUVꢄꢀLQFOXGLQJꢀ&/.ꢄꢀDUHꢀ
GLVDEOHGꢀGXULQJꢀSRZHUꢅGRZQꢀDQGꢀVHOIꢀUHIUHVKꢀPRGHVꢄꢀSURYLGLQJꢀORZꢀVWDQGE\ꢀ
SRZHUꢃꢀ&.(ꢀPD\ꢀEHꢀWLHGꢀ+LJKꢃ
&.(
,QSXW
&KLSꢀ6HOHFWꢆꢀ&6ꢔꢀHQDEOHVꢀꢁUHJLVWHUHGꢀ/RZꢂꢀDQGꢀGLVDEOHVꢀꢁUHJLVWHUHGꢀ+LJKꢂꢀ
WKHꢀFRPPDQGꢀGHFRGHUꢃꢀ$OOꢀFRPPDQGVꢀDUHꢀPDVNHGꢀZKHQꢀ&6ꢔꢀLVꢀUHJLVWHUHGꢀ
+LJKꢃꢀ&6ꢔꢀSURYLGHVꢀIRUꢀH[WHUQDOꢀEDQNꢀVHOHFWLRQꢀRQꢀV\VWHPVꢀZLWKꢀPXOWLSOHꢀ
EDQNVꢃꢀ&6ꢔꢀLVꢀFRQVLGHUHGꢀSDUWꢀRIꢀWKHꢀFRPPDQGꢀFRGHꢃ
&6ꢔ
,QSXW
,QSXW
&$6ꢔꢄꢀ5$6ꢔꢄꢀ
:(ꢔ
&RPPDQGꢀ,QSXWVꢆꢀ&$6ꢔꢄꢀ5$6ꢔꢄꢀDQGꢀ:(ꢔꢀꢁDORQJꢀZLWKꢀ&6ꢔꢂꢀGHILQHꢀWKHꢀ
FRPPDQGꢀEHLQJꢀHQWHUHGꢃ
,QSXWꢒ2XWSXWꢀ0DVNꢆꢀ'40ꢀLVꢀVDPSOHGꢀ+LJKꢀDQGꢀLVꢀDQꢀLQSXWꢀPDVNꢀVLJQDOꢀIRUꢀ
ZULWHꢀDFFHVVHVꢀDQGꢀDQꢀRXWSXWꢀHQDEOHꢀVLJQDOꢀIRUꢀUHDGꢀDFFHVVHVꢃꢀ,QSXWꢀGDWDꢀLVꢀ
PDVNHGꢀGXULQJꢀDꢀ:ULWHꢀF\FOHꢃꢀ7KHꢀRXWSXWꢀEXIIHUVꢀDUHꢀSODFHGꢀLQꢀDꢀ+LJKꢅ=ꢀ
VWDWHꢀꢁWZRꢅFORFNꢀODWHQF\ꢂꢀZKHQꢀGXULQJꢀDꢀ5HDGꢀF\FOHꢃꢀ/'40ꢀFRUUHVSRQGVꢀWRꢀ
'4ꢌ±'4ꢈꢄꢀ8'40ꢀFRUUHVSRQGVꢀWRꢀ'4ꢋ±'4ꢇꢊꢃꢀ/'40ꢀDQGꢀ8'40ꢀDUHꢀ
FRQVLGHUHGꢀVDPHꢀVWDWHꢀZKHQꢀUHIHUHQFHGꢀDVꢀ'40ꢃ
/'40ꢄꢀ8'40
%$ꢌꢄꢀ%$ꢇ
,QSXW
,QSXW
%DQNꢀ$GGUHVVꢀ,QSXWꢁVꢂꢆꢀ%$ꢌꢀDQGꢀ%$ꢇꢀGHILQHꢀWRꢀZKLFKꢀEDQNꢀWKHꢀ$FWLYHꢄꢀ
5HDGꢄꢀ:ULWHꢀRUꢀ3UHFKDUJHꢀFRPPDQGꢀLVꢀEHLQJꢀDSSOLHGꢃꢀ7KHVHꢀSLQVꢀDOVRꢀVHOHFWꢀ
EHWZHHQꢀWKHꢀPRGHꢀUHJLVWHUꢀDQGꢀWKHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢃ
$GGUHVVꢀ,QSXWVꢆꢀ$ꢌ±$ꢇꢇꢀDUHꢀVDPSOHGꢀGXULQJꢀWKHꢀ$FWLYHꢀFRPPDQGꢀꢁURZꢀ
DGGUHVVꢀ$ꢌ±$ꢇꢇꢂꢀDQGꢀ5HDGꢒ:ULWHꢀFRPPDQGꢀꢁFROXPQꢅDGGUHVVꢀ$ꢌ±$ꢈꢕꢀZLWKꢀ
$ꢇꢌꢀGHILQLQJꢀDXWRꢀSUHFKDUJHꢂꢀWRꢀVHOHFWꢀRQHꢀORFDWLRQꢀRXWꢀRIꢀWKHꢀPHPRU\ꢀ
DUUD\ꢀLQꢀWKHꢀUHVSHFWLYHꢀEDQNꢃꢀ$ꢇꢌꢀLVꢀVDPSOHGꢀGXULQJꢀDꢀ3UHFKDUJHꢀFRPPDQGꢀ
WRꢀGHWHUPLQHꢀLIꢀDOOꢀEDQNVꢀDUHꢀWRꢀEHꢀSUHFKDUJHGꢀꢁ$ꢇꢌꢀ+LJKꢂꢀRUꢀEDQNꢀVHOHFWHGꢀ
E\ꢀ%$ꢌꢄꢀ%$ꢇꢀꢁ/RZꢂꢃꢀ7KHꢀDGGUHVVꢀLQSXWVꢀDOVRꢀSURYLGHꢀWKHꢀRSꢅFRGHꢀGXULQJꢀDꢀ
/RDGꢀ0RGHꢀ5HJLVWHUꢀFRPPDQGꢃ
$ꢌꢅ$ꢇꢇ
,QSXW
'4ꢌꢅ'4ꢇꢊ
1&
,ꢒ2
²
'DWDꢀ,QSXWꢒ2XWSXWꢆꢀ'DWDꢀEXV
,QWHUQDOO\ꢀ1RWꢀ&RQQHFWHGꢆꢀ7KHVHꢀFRXOGꢀEHꢀOHIWꢀXQFRQQHFWHGꢄꢀEXWꢀLWꢀLVꢀ
UHFRPPHQGHGꢀWKH\ꢀEHꢀFRQQHFWHGꢀRUꢀ966ꢃꢀ*ꢇꢀLVꢀDꢀQRꢀFRQQHFWꢀIRUꢀWKLVꢀSDUWꢀ
EXWꢀPD\ꢀEHꢀXVHGꢀDVꢀ$ꢇꢏꢀLQꢀIXWXUHꢀGHVLJQVꢃ
9''4
9664
9''
6XSSO\
6XSSO\
6XSSO\
6XSSO\
'4ꢀ3RZHUꢆꢀ3URYLGHꢀLVRODWHGꢀSRZHUꢀWRꢀ'4VꢀIRUꢀLPSURYHGꢀQRLVHꢀLPPXQLW\ꢃ
'4ꢀ*URXQGꢆꢀ3URYLGHꢀLVRODWHGꢀJURXQGꢀWRꢀ'4VꢀIRUꢀLPSURYHGꢀQRLVHꢀLPPXQLW\ꢃ
&RUHꢀ3RZHUꢀ6XSSO\ꢃ
*URXQGꢃ
966
22 Functional Description
,QꢀJHQHUDOꢄꢀWKHꢀꢇꢏꢋ0Eꢀ6'5$0Vꢀꢁꢏꢀ0ꢀ[ꢀꢇꢎꢀ[ꢀꢍꢀEDQNVꢂꢀDUHꢀTXDGꢅEDQNꢀ'5$0VꢀWKDW
RSHUDWHꢀDWꢀꢇꢃꢋ9ꢀDQGꢀLQFOXGHꢀDꢀV\QFKURQRXVꢀLQWHUIDFHꢀꢁDOOꢀVLJQDOVꢀDUHꢀUHJLVWHUHGꢀRQ
WKHꢀSRVLWLYHꢀHGJHꢀRIꢀWKHꢀFORFNꢀVLJQDOꢄꢀ&/.ꢂꢃꢀ(DFKꢀEDQNꢀꢁ[ꢇꢎꢀꢑꢏꢄꢊꢊꢍꢄꢍꢑꢏꢅELWꢂꢀLVꢀRUꢅ
JDQL]HGꢀDVꢀꢍꢄꢌꢉꢎꢀURZVꢀE\ꢀꢊꢇꢏꢀFROXPQVꢀE\ꢀꢇꢎꢀELWVꢃ
5HDGꢀDQGꢀZULWHꢀDFFHVVHVꢀWRꢀWKHꢀ6'5$0ꢀDUHꢀEXUVWꢀRULHQWHGꢕꢀDFFHVVHVꢀVWDUWꢀDWꢀD
VHOHFWHGꢀORFDWLRQꢀDQGꢀFRQWLQXHꢀIRUꢀDꢀSURJUDPPHGꢀQXPEHUꢀRIꢀORFDWLRQVꢀLQꢀDꢀSURꢅ
JUDPPHGꢀVHTXHQFHꢃꢀ$FFHVVHVꢀEHJLQꢀZLWKꢀWKHꢀUHJLVWUDWLRQꢀRIꢀDQꢀ$FWLYHꢀFRPPDQGꢄ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
107
P r e l i m i n a r y
ZKLFKꢀLVꢀWKHQꢀIROORZHGꢀE\ꢀDꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢃꢀ7KHꢀDGGUHVVꢀELWVꢀUHJLVWHUHG
FRLQFLGHQWꢀZLWKꢀWKHꢀ$FWLYHꢀFRPPDQGꢀDUHꢀXVHGꢀWRꢀVHOHFWꢀWKHꢀEDQNꢀDQGꢀURZꢀWRꢀEH
DFFHVVHGꢀꢁ%$ꢌꢀDQGꢀ%$ꢇꢀVHOHFWꢀWKHꢀEDQNꢄꢀ$ꢌ±$ꢇꢇꢀVHOHFWꢀWKHꢀURZꢂꢃꢀ7KHꢀDGGUHVVꢀELWV
ꢁ$ꢇ±$ꢋꢂꢀUHJLVWHUHGꢀFRLQFLGHQWꢀZLWKꢀWKHꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢀDUHꢀXVHGꢀWRꢀVHOHFW
WKHꢀVWDUWLQJꢀFROXPQꢀORFDWLRQꢀIRUꢀWKHꢀEXUVWꢀDFFHVVꢃ
3ULRUꢀWRꢀQRUPDOꢀRSHUDWLRQꢄꢀWKHꢀ6'5$0ꢀPXVWꢀEHꢀLQLWLDOL]HGꢃꢀ7KHꢀIROORZLQJꢀVHFWLRQV
SURYLGHꢀGHWDLOHGꢀLQIRUPDWLRQꢀFRYHULQJꢀGHYLFHꢀLQLWLDOL]DWLRQꢄꢀUHJLVWHUꢀGHILQLWLRQꢄ
FRPPDQGꢀGHVFULSWLRQVꢀDQGꢀGHYLFHꢀRSHUDWLRQꢃ
23 Initialization
6'5$0VꢀPXVWꢀEHꢀSRZHUHGꢀXSꢀDQGꢀLQLWLDOL]HGꢀLQꢀDꢀSUHGHILQHGꢀPDQQHUꢃꢀ2SHUDWLRQDO
SURFHGXUHVꢀRWKHUꢀWKDQꢀWKRVHꢀVSHFLILHGꢀPD\ꢀUHVXOWꢀLQꢀXQGHILQHGꢀRSHUDWLRQꢃꢀ3RZHU
VKRXOGꢀEHꢀDSSOLHGꢀWRꢀ9''ꢀDQGꢀ9''4ꢀVLPXOWDQHRXVO\ꢃꢀ7KLVꢀWLPHꢀGHOD\ꢀVKRXOGꢀQRW
H[FHHGꢀꢏPVꢃꢀ2QFHꢀWKHꢀSRZHUꢀLVꢀDSSOLHGꢀWRꢀ9''ꢀDQGꢀ9''4ꢄꢀDQGꢀWKHꢀFORFNꢀLVꢀVWDEOH
ꢁVWDEOHꢀFORFNꢀLVꢀGHILQHGꢀDVꢀDꢀVLJQDOꢀF\FOLQJꢀZLWKLQꢀWLPLQJꢀFRQVWUDLQWVꢀVSHFLILHGꢀIRU
WKHꢀFORFNꢀSLQꢂꢄꢀWKHꢀ6'5$0ꢀUHTXLUHVꢀDꢀꢇꢌꢌVꢀGHOD\ꢀSULRUꢀWRꢀLVVXLQJꢀDQ\ꢀFRPPDQG
RWKHUꢀWKDQꢀDꢀ&RPPDQGꢀ,QKLELWꢀRUꢀ123ꢃꢀ6WDUWLQJꢀDWꢀVRPHꢀSRLQWꢀGXULQJꢀWKLVꢀꢇꢌꢌV
SHULRGꢀDQGꢀFRQWLQXLQJꢀDWꢀOHDVWꢀWKURXJKꢀWKHꢀHQGꢀRIꢀWKLVꢀSHULRGꢄꢀ&RPPDQGꢀ,QKLELW
RUꢀ123ꢀFRPPDQGVꢀVKRXOGꢀEHꢀDSSOLHGꢃ
2QFHꢀWKHꢀꢇꢌꢌVꢀGHOD\ꢀKDVꢀEHHQꢀVDWLVILHGꢀZLWKꢀDWꢀOHDVWꢀRQHꢀ&RPPDQGꢀ,QKLELWꢀRU
123ꢀFRPPDQGꢀKDYLQJꢀEHHQꢀDSSOLHGꢄꢀDꢀ3UHFKDUJHꢀFRPPDQGꢀVKRXOGꢀEHꢀDSSOLHGꢃꢀ$OO
EDQNVꢀPXVWꢀWKHQꢀEHꢀSUHFKDUJHGꢄꢀWKHUHE\ꢀSODFLQJꢀWKHꢀGHYLFHꢀLQꢀWKHꢀDOOꢀEDQNVꢀLGOH
VWDWHꢃ
2QFHꢀLQꢀWKHꢀLGOHꢀVWDWHꢄꢀWZRꢀ$XWRꢀUHIUHVKꢀF\FOHVꢀPXVWꢀEHꢀSHUIRUPHGꢃꢀ$IWHUꢀWKHꢀ$XWR
UHIUHVKꢀF\FOHVꢀDUHꢀFRPSOHWHꢄꢀWKHꢀ6'5$0ꢀLVꢀUHDG\ꢀIRUꢀPRGHꢀUHJLVWHUꢀSURJUDPPLQJꢃ
%HFDXVHꢀWKHꢀPRGHꢀUHJLVWHUꢀZLOOꢀSRZHUꢀXSꢀLQꢀDQꢀXQNQRZQꢀVWDWHꢄꢀLWꢀVKRXOGꢀEHꢀORDGHG
SULRUꢀWRꢀDSSO\LQJꢀDQ\ꢀRSHUDWLRQDOꢀFRPPDQGꢃ
24 Mode Register Definition
,QꢀRUGHUꢀWRꢀDFKLHYHꢀORZꢀSRZHUꢀFRQVXPSWLRQꢄꢀWKHUHꢀDUHꢀWZRꢀPRGHꢀUHJLVWHUVꢀLQꢀWKH
0RELOHꢀFRPSRQHQWꢄꢀ0RGHꢀ5HJLVWHUꢀDQGꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHUꢃꢀ7KHꢀPRGHꢀUHJLVꢅ
WHUꢀLVꢀLOOXVWUDWHGꢀLQꢀ)LJXUH ꢏꢊꢃꢇꢄꢀ0RGHꢀ5HJLVWHUꢀ'HILQLWLRQꢄꢀRQꢀSDJHꢀꢇꢇꢇꢀꢁWKH
H[WHQGHGꢀPRGHꢀUHJLVWHUꢀLVꢀLOOXVWUDWHGꢀLQꢀ)LJXUH ꢑꢑꢃꢇꢂꢃ
7KHꢀPRGHꢀUHJLVWHUꢀGHILQHVꢀWKHꢀVSHFLILFꢀPRGHꢀRIꢀRSHUDWLRQꢀRIꢀWKHꢀ6'5$0ꢄꢀLQFOXGLQJ
EXUVWꢀOHQJWKꢄꢀEXUVWꢀW\SHꢄꢀ&$6ꢀODWHQF\ꢄꢀRSHUDWLQJꢀPRGHꢀDQGꢀZULWHꢀEXUVWꢀPRGHꢃꢀ7KH
PRGHꢀUHJLVWHUꢀLVꢀSURJUDPPHGꢀYLDꢀWKHꢀ/RDGꢀ0RGHꢀ5HJLVWHUꢀFRPPDQGꢀDQGꢀZLOOꢀUHꢅ
WDLQꢀWKHꢀVWRUHGꢀLQIRUPDWLRQꢀXQWLOꢀLWꢀLVꢀSURJUDPPHGꢀDJDLQꢀRUꢀWKHꢀGHYLFHꢀORVHV
SRZHUꢃ
0RGHꢀUHJLVWHUꢀELWVꢀ0ꢌ±0ꢏꢀVSHFLI\ꢀWKHꢀEXUVWꢀOHQJWKꢄꢀ0ꢑꢀVSHFLILHVꢀWKHꢀW\SHꢀRIꢀEXUVW
ꢁVHTXHQWLDOꢀRUꢀLQWHUOHDYHGꢂꢄꢀ0ꢍ±0ꢎꢀVSHFLI\ꢀWKHꢀ&$6ꢀODWHQF\ꢄꢀ0ꢈꢀDQGꢀ0ꢋꢀVSHFLI\
WKHꢀRSHUDWLQJꢀPRGHꢄꢀ0ꢉꢀVSHFLILHVꢀWKHꢀZULWHꢀEXUVWꢀPRGHꢄꢀDQGꢀ0ꢇꢌꢄꢀDQGꢀ0ꢇꢇꢀVKRXOG
EHꢀVHWꢀWRꢀ]HURꢃꢀ0ꢇꢏꢀDQGꢀ0ꢇꢑꢀVKRXOGꢀEHꢀVHWꢀWRꢀ]HURꢀWRꢀSUHYHQWꢀH[WHQGHGꢀPRGH
UHJLVWHUꢃ
7KHꢀPRGHꢀUHJLVWHUꢀPXVWꢀEHꢀORDGHGꢀZKHQꢀDOOꢀEDQNVꢀDUHꢀLGOHꢄꢀDQGꢀWKHꢀFRQWUROOHU
PXVWꢀZDLWꢀWKHꢀVSHFLILHGꢀWLPHꢀEHIRUHꢀLQLWLDWLQJꢀWKHꢀVXEVHTXHQWꢀRSHUDWLRQꢃꢀ9LRODWLQJ
HLWKHUꢀRIꢀWKHVHꢀUHTXLUHPHQWVꢀZLOOꢀUHVXOWꢀLQꢀXQVSHFLILHGꢀRSHUDWLRQꢃ
108
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
25 Burst Length
5HDGꢀDQGꢀZULWHꢀDFFHVVHVꢀWRꢀWKHꢀ6'5$0ꢀDUHꢀEXUVWꢀRULHQWHGꢄꢀZLWKꢀWKHꢀEXUVWꢀOHQJWK
EHLQJꢀSURJUDPPDEOHꢄꢀDVꢀVKRZQꢀLQꢀ)LJXUH ꢑꢑꢃꢇꢄꢀ³0RGHꢀ5HJLVWHUꢀ'HILQLWLRQ´ꢀVHFWLRQ
RQꢀSDJHꢀꢇꢇꢇꢃꢀ7KHꢀEXUVWꢀOHQJWKꢀGHWHUPLQHVꢀWKHꢀPD[LPXPꢀQXPEHUꢀRIꢀFROXPQꢀORꢅ
FDWLRQVꢀWKDWꢀFDQꢀEHꢀDFFHVVHGꢀIRUꢀDꢀJLYHQꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢃꢀ%XUVWꢀOHQJWKV
RIꢀꢇꢄꢀꢏꢄꢀꢍꢄꢀRUꢀꢋꢀORFDWLRQVꢀDUHꢀDYDLODEOHꢀIRUꢀERWKꢀWKHꢀVHTXHQWLDOꢀDQGꢀWKHꢀLQWHUOHDYHG
EXUVWꢀW\SHVꢄꢀDQGꢀDꢀIXOOꢅSDJHꢀEXUVWꢀLVꢀDYDLODEOHꢀIRUꢀWKHꢀVHTXHQWLDOꢀW\SHꢃꢀ7KHꢀIXOOꢅ
SDJHꢀEXUVWꢀLVꢀXVHGꢀLQꢀFRQMXQFWLRQꢀZLWKꢀWKHꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQGꢀWRꢀJHQHUDWH
DUELWUDU\ꢀEXUVWꢀOHQJWKVꢃ
5HVHUYHGꢀVWDWHVꢀVKRXOGꢀQRWꢀEHꢀXVHGꢄꢀDVꢀXQNQRZQꢀRSHUDWLRQꢀRUꢀLQFRPSDWLELOLW\ꢀZLWK
IXWXUHꢀYHUVLRQVꢀPD\ꢀUHVXOWꢃ
:KHQꢀDꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢀLVꢀLVVXHGꢄꢀDꢀEORFNꢀRIꢀFROXPQVꢀHTXDOꢀWRꢀWKHꢀEXUVW
OHQJWKꢀLVꢀHIIHFWLYHO\ꢀVHOHFWHGꢃꢀ$OOꢀDFFHVVHVꢀIRUꢀWKDWꢀEXUVWꢀWDNHꢀSODFHꢀZLWKLQꢀWKLV
EORFNꢄꢀPHDQLQJꢀWKDWꢀWKHꢀEXUVWꢀZLOOꢀZUDSꢀZLWKLQꢀWKHꢀEORFNꢀLIꢀDꢀERXQGDU\ꢀLVꢀUHDFKHGꢃ
7KHꢀEORFNꢀLVꢀXQLTXHO\ꢀVHOHFWHGꢀE\ꢀ$ꢇ±$ꢋꢀZKHQꢀWKHꢀEXUVWꢀOHQJWKꢀLVꢀVHWꢀWRꢀWZRꢕꢀE\
$ꢏ±$ꢋꢀZKHQꢀWKHꢀEXUVWꢀOHQJWKꢀLVꢀVHWꢀWRꢀIRXUꢕꢀDQGꢀE\ꢀ$ꢑ±$ꢋꢀZKHQꢀWKHꢀEXUVWꢀOHQJWK
LVꢀVHWꢀWRꢀHLJKWꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
109
P r e l i m i n a r y
Table 25.1 Burst Definition
2UGHUꢀRIꢀ$FFHVVHVꢀ:LWKLQꢀ$ꢀ%XUVW
%XUVWꢀ/HQJWK
6WDUWLQJꢀ&ROXPQꢀ$GGUHVV
7\SHꢀ ꢀ6HTXHQWLDO
7\SHꢀ ꢀ,QWHUOHDYHG
$ꢌ
ꢌ
ꢏ
ꢌꢅꢇ
ꢇꢅꢌ
ꢌꢅꢇ
ꢇꢅꢌ
ꢇ
$ꢇ
ꢌ
$ꢌ
ꢌ
ꢌꢅꢇꢅꢏꢅꢑ
ꢇꢅꢏꢅꢑꢅꢌ
ꢏꢅꢑꢅꢌꢅꢇ
ꢑꢅꢌꢅꢇꢅꢏ
ꢌꢅꢇꢅꢏꢅꢑ
ꢇꢅꢌꢅꢑꢅꢏ
ꢏꢅꢑꢅꢌꢅꢇ
ꢑꢅꢏꢅꢇꢅꢌ
ꢍ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
$ꢏ
ꢌ
$ꢇ
ꢌ
$ꢌ
ꢌ
ꢌꢅꢇꢅꢏꢅꢑꢅꢍꢅꢊꢅꢎꢅꢈ
ꢇꢅꢏꢅꢑꢅꢍꢅꢊꢅꢎꢅꢈꢅꢌ
ꢏꢅꢑꢅꢍꢅꢊꢅꢎꢅꢈꢅꢌꢅꢇ
ꢑꢅꢍꢅꢊꢅꢎꢅꢈꢅꢌꢅꢇꢅꢏ
ꢍꢅꢊꢅꢎꢅꢈꢅꢌꢅꢇꢅꢏꢅꢑ
ꢊꢅꢎꢅꢈꢅꢌꢅꢇꢅꢏꢅꢑꢅꢍ
ꢎꢅꢈꢅꢌꢅꢇꢅꢏꢅꢑꢅꢍꢅꢊ
ꢈꢅꢌꢅꢇꢅꢏꢅꢑꢅꢍꢅꢊꢅꢎ
ꢌꢅꢇꢅꢏꢅꢑꢅꢍꢅꢊꢅꢎꢅꢈ
ꢇꢅꢌꢅꢑꢅꢏꢅꢊꢅꢍꢅꢈꢅꢎ
ꢏꢅꢑꢅꢌꢅꢇꢅꢎꢅꢈꢅꢍꢅꢊ
ꢑꢅꢏꢅꢇꢅꢌꢅꢈꢅꢎꢅꢊꢅꢍ
ꢍꢅꢊꢅꢎꢅꢈꢅꢌꢅꢇꢅꢏꢅꢑ
ꢊꢅꢍꢅꢈꢅꢎꢅꢇꢅꢌꢅꢑꢅꢏ
ꢎꢅꢈꢅꢍꢅꢊꢅꢏꢅꢑꢅꢌꢅꢇ
ꢈꢅꢎꢅꢊꢅꢍꢅꢑꢅꢏꢅꢇꢅꢌ
ꢌ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢋ
ꢌ
ꢇ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢌ
ꢇ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
ꢇ
&Qꢄꢀ&Qꢐꢇꢄ
&Qꢐꢏꢄꢀ&Qꢐꢑꢄ
&Qꢐꢍꢃꢃꢃꢄꢀ«&Qꢅꢇꢄ
&Q«
)XOOꢀ3DJHꢀꢁ\ꢂ
Qꢀ ꢀ$ꢌ±$ꢋꢀꢁORFDWLRQꢀꢌꢅ\ꢂ
1RWꢀ6XSSRUWHG
Ir)
ꢀꢁ )RUꢂIXOOꢃSDJHꢂDFFHVVHVꢔꢂ\ꢂ ꢂꢉꢀꢆꢁ
ꢆꢁ )RUꢂDꢂEXUVWꢂOHQJWKꢂRIꢂWZRꢄꢂ$ꢀ±$ꢑꢂVHOHFWꢂWKHꢂEORFNꢃRIꢃWZRꢂEXUVWꢇꢂ$ꢈꢂVHOHFWVꢂWKHꢂ
VWDUWLQJꢂFROXPQꢂZLWKLQꢂWKHꢂEORFNꢁ
ꢊꢁ )RUꢂDꢂEXUVWꢂOHQJWKꢂRIꢂIRXUꢄꢂ$ꢆ±$ꢑꢂVHOHFWꢂWKHꢂEORFNꢃRIꢃIRXUꢂEXUVWꢇꢂ$ꢈ±$ꢀꢂVHOHFWꢂWKHꢂ
VWDUWLQJꢂFROXPQꢂZLWKLQꢂWKHꢂEORFNꢁ
ꢎꢁ )RUꢂDꢂEXUVWꢂOHQJWKꢂRIꢂHLJKWꢄꢂ$ꢊ±$ꢑꢂVHOHFWꢂWKHꢂEORFNꢃRIꢃHLJKWꢂEXUVWꢇꢂ$ꢈ±$ꢆꢂVHOHFWꢂWKHꢂ
VWDUWLQJꢂFROXPQꢂZLWKLQꢂWKHꢂEORFNꢁ
ꢉꢁ )RUꢂDꢂIXOOꢃSDJHꢂEXUVWꢄꢂWKHꢂIXOOꢂURZꢂLVꢂVHOHFWHGꢂDQGꢂ$ꢈ±$ꢑꢂVHOHFWꢂWKHꢂVWDUWLQJꢂFROXPQꢁ
ꢌꢁ :KHQHYHUꢂDꢂERXQGDU\ꢂRIꢂWKHꢂEORFNꢂLVꢂUHDFKHGꢂZLWKLQꢂDꢂJLYHQꢂVHTXHQFHꢂDERYHꢄꢂWKHꢂ
IROORZLQJꢂDFFHVVꢂZUDSVꢂZLWKLQꢂWKHꢂEORFNꢁ
ꢋꢁ )RUꢂDꢂEXUVWꢂOHQJWKꢂRIꢂRQHꢄꢂ$ꢈ±$ꢑꢂVHOHFWꢂWKHꢂXQLTXHꢂFROXPQꢂWRꢂEHꢂDFFHVVHGꢄꢂDQGꢂ
PRGHꢂUHJLVWHUꢂELWꢂ0ꢊꢂLVꢂLJQRUHGꢁ
110
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
Address Bus
BA1 BA0 A11 A10 A9 A8
A7 A6 A5 A4
A3 A2 A1 A0
M13 M12 M11 M10 M9 M8 M7 M6 M5 M4 M3 M2 M1 M0
13 12
9
8
6
5
4
1
11 10
7
3
2
0
Mode Register (Mx)
Reserved* WB Op Mode CASLatency
BT
Burst Length
Reserved**
Burst Length
*Should program
M10 = “0, 0”
to ensure compatibility
with future devices.
M2 M1 M0
M3 = 0
M3 = 1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1
1
2
2
4
4
8
8
** BA1, BA0 = “0, 0”
to prevent Extended
Mode Register.
Reserved
Reserved
Reserved
Full Page
Reserved
Reserved
Reserved
Reserved
Burst Type
Sequential
Interleaved
M3
0
1
CAS Latency
M6 M5 M4
Reserved
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
2
3
Reserved
Reserved
Reserved
Reserved
M8
0
M7
0
M6-M0
Defined
-
Operating Mode
Standard Operation
All other states reserved
-
-
Write Burst Mode
M9
0
Programmed Burst Length
Single Location Access
1
Figure 25.1 Mode Register Definition
7KHꢀUHPDLQLQJꢀꢁOHDVWꢀVLJQLILFDQWꢂꢀDGGUHVVꢀELWꢁVꢂꢀLVꢀꢁDUHꢂꢀXVHGꢀWRꢀVHOHFWꢀWKHꢀVWDUWLQJ
ORFDWLRQꢀZLWKLQꢀWKHꢀEORFNꢃꢀ)XOOꢅSDJHꢀEXUVWVꢀZUDSꢀZLWKLQꢀWKHꢀSDJHꢀLIꢀWKHꢀERXQGDU\
LVꢀUHDFKHGꢃ
26 Burst Type
$FFHVVHVꢀZLWKLQꢀDꢀJLYHQꢀEXUVWꢀPD\ꢀEHꢀSURJUDPPHGꢀWRꢀEHꢀHLWKHUꢀVHTXHQWLDOꢀRUꢀLQꢅ
WHUOHDYHGꢕꢀWKLVꢀLVꢀUHIHUUHGꢀWRꢀDVꢀWKHꢀEXUVWꢀW\SHꢀDQGꢀLVꢀVHOHFWHGꢀYLDꢀELWꢀ0ꢑꢃ
7KHꢀRUGHULQJꢀRIꢀDFFHVVHVꢀZLWKLQꢀDꢀEXUVWꢀLVꢀGHWHUPLQHGꢀE\ꢀWKHꢀEXUVWꢀOHQJWKꢄꢀWKH
EXUVWꢀW\SHꢀDQGꢀWKHꢀVWDUWLQJꢀFROXPQꢀDGGUHVVꢄꢀDVꢀVKRZQꢀLQꢀ7DEOH ꢏꢊꢃꢇꢃ
27 CAS Latency
7KHꢀ&$6ꢀODWHQF\ꢀLVꢀWKHꢀGHOD\ꢄꢀLQꢀFORFNꢀF\FOHVꢄꢀEHWZHHQꢀWKHꢀUHJLVWUDWLRQꢀRIꢀDꢀ5HDG
FRPPDQGꢀDQGꢀWKHꢀDYDLODELOLW\ꢀRIꢀWKHꢀILUVWꢀSLHFHꢀRIꢀRXWSXWꢀGDWDꢃꢀ7KHꢀODWHQF\ꢀFDQꢀEH
VHWꢀWRꢀRQHꢄꢀWZRꢄꢀRUꢀWKUHHꢀFORFNVꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
111
P r e l i m i n a r y
,IꢀDꢀ5HDGꢀFRPPDQGꢀLVꢀUHJLVWHUHGꢀDWꢀFORFNꢀHGJHꢀQꢄꢀDQGꢀWKHꢀODWHQF\ꢀLVꢀPꢀFORFNVꢄꢀWKH
GDWDꢀZLOOꢀEHꢀDYDLODEOHꢀE\ꢀFORFNꢀHGJHꢀQꢂꢓꢂPꢃꢀ7KHꢀ'4VꢀZLOOꢀVWDUWꢀGULYLQJꢀDVꢀDꢀUHVXOW
RIꢀWKHꢀFORFNꢀHGJHꢀRQHꢀF\FOHꢀHDUOLHUꢀꢁQꢂꢓꢂPꢂꢃꢂꢀꢂꢄꢀDQGꢀSURYLGHGꢀWKDWꢀWKHꢀUHOHYDQW
DFFHVVꢀWLPHVꢀDUHꢀPHWꢄꢀWKHꢀGDWDꢀZLOOꢀEHꢀYDOLGꢀE\ꢀFORFNꢀHGJHꢀQꢂꢓꢂPꢃꢀ)RUꢀH[DPSOHꢄ
DVVXPLQJꢀWKDWꢀWKHꢀFORFNꢀF\FOHꢀWLPHꢀLVꢀVXFKꢀWKDWꢀDOOꢀUHOHYDQWꢀDFFHVVꢀWLPHVꢀDUHꢀPHWꢄ
LIꢀDꢀUHDGꢀFRPPDQGꢀLVꢀUHJLVWHUHGꢀDWꢀ7ꢌꢀDQGꢀWKHꢀODWHQF\ꢀLVꢀSURJUDPPHGꢀWRꢀWZR
FORFNVꢄꢀWKHꢀ'4VꢀZLOOꢀVWDUWꢀGULYLQJꢀDIWHUꢀ7ꢇꢀDQGꢀWKHꢀGDWDꢀZLOOꢀEHꢀYDOLGꢀE\ꢀ7ꢏꢄꢀDV
VKRZQꢀLQꢀ)LJXUH ꢏꢈꢃꢇꢄꢀ&$6ꢀ/DWHQF\ꢃꢀ7DEOH ꢏꢈꢃꢇꢆꢀ&$6ꢀ/DWHQF\ꢄꢀLQGLFDWHVꢀWKHꢀRSHUꢅ
DWLQJꢀIUHTXHQFLHVꢀDWꢀZKLFKꢀHDFKꢀ&$6ꢀODWHQF\ꢀVHWWLQJꢀFDQꢀEHꢀXVHGꢃ
5HVHUYHGꢀVWDWHVꢀVKRXOGꢀQRWꢀEHꢀXVHGꢀDVꢀXQNQRZQꢀRSHUDWLRQꢀRUꢀLQFRPSDWLELOLW\ꢀZLWK
IXWXUHꢀYHUVLRQVꢀPD\ꢀUHVXOWꢃ
T0
T1
T2
T3
CLK
COMMAND
READ
NOP
t
NOP
t
LZ
OH
DOUT
DQ
t
AC
CAS Latency = 2
T0
T1
T2
T3
T4
CLK
COMMAND
READ
NOP
NOP
NOP
t
t
LZ
OH
DOUT
DQ
t
AC
CAS Latency = 3
DON’T CARE
UNDEFINED
Figure 27.1 CAS Latency
Table 27.1 CAS Latency
Allowable Operating Frequency MHz
CAS Latency = 2 CAS Latency = 3
Speed
ꢅꢈꢊ
≤
ꢇꢌꢌ
≤
≤
ꢇꢑꢑ
ꢇꢌꢍ
ꢅꢇꢌ
≤
ꢋꢑꢃꢑ
28 Operating Mode
7KHꢀQRUPDOꢀRSHUDWLQJꢀPRGHꢀLVꢀVHOHFWHGꢀE\ꢀVHWWLQJꢀ0ꢈꢀDQGꢀ0ꢋꢀWRꢀ]HURꢕꢀWKHꢀRWKHU
FRPELQDWLRQVꢀRIꢀYDOXHVꢀIRUꢀ0ꢈꢀDQGꢀ0ꢋꢀDUHꢀUHVHUYHGꢀIRUꢀIXWXUHꢀXVHꢀDQGꢒRUꢀWHVW
PRGHVꢃꢀ7KHꢀSURJUDPPHGꢀEXUVWꢀOHQJWKꢀDSSOLHVꢀWRꢀERWKꢀUHDGꢀDQGꢀZULWHꢀEXUVWVꢃ
7HVWꢀPRGHVꢀDQGꢀUHVHUYHGꢀVWDWHVꢀVKRXOGꢀQRWꢀEHꢀXVHGꢀEHFDXVHꢀXQNQRZQꢀRSHUDWLRQ
RUꢀLQFRPSDWLELOLW\ꢀZLWKꢀIXWXUHꢀYHUVLRQVꢀPD\ꢀUHVXOWꢃ
112
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
29 Write Burst Mode
:KHQꢀ0ꢉꢀ ꢀꢌꢄꢀWKHꢀEXUVWꢀOHQJWKꢀSURJUDPPHGꢀYLDꢀ0ꢌꢅ0ꢏꢀDSSOLHVꢀWRꢀERWKꢀ5HDGꢀDQG
:ULWHꢀEXUVWVꢕꢀZKHQꢀ0ꢉ ꢀꢇꢄꢀWKHꢀSURJUDPPHGꢀEXUVWꢀOHQJWKꢀDSSOLHVꢀWRꢀ5HDGꢀEXUVWVꢄ
EXWꢀZULWHꢀDFFHVVHVꢀDUHꢀVLQJOHꢅORFDWLRQꢀꢁQRQEXUVWꢂꢀDFFHVVHVꢃ
30 Extended Mode Register
7KHꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀFRQWUROVꢀWKHꢀIXQFWLRQVꢀEH\RQGꢀWKRVHꢀFRQWUROOHGꢀE\
WKHꢀ0RGHꢀ5HJLVWHUꢃꢀ7KHVHꢀDGGLWLRQDOꢀIXQFWLRQVꢀDUHꢀVSHFLDOꢀIHDWXUHVꢀRIꢀWKHꢀ0RELOH
GHYLFHꢃꢀ7KH\ꢀLQFOXGHꢀ7HPSHUDWXUHꢀ&RPSHQVDWHGꢀ6HOIꢀ5HIUHVKꢀꢁ7&65ꢂꢀ&RQWUROꢄ
3DUWLDOꢀ$UUD\ꢀ6HOIꢀ5HIUHVKꢀꢁ3$65ꢂꢄꢀDQGꢀ2XWSXWꢀ'ULYHꢀ6WUHQJWKꢃꢀ1RWꢀSURJUDPPLQJ
WKHꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀXSRQꢀLQLWLDOL]DWLRQꢄꢀZLOOꢀUHVXOWꢀLQꢀGHIDXOWꢀVHWWLQJVꢀIRU
WKHꢀ/RZꢀ3RZHUꢀIHDWXUHVꢃꢀ7KHꢀ([WHQGHGꢀ0RGHꢀZLOOꢀGHIDXOWꢀWRꢀWKHꢀꢐꢋꢊ&ꢀVHWWLQJꢀIRU
7&65ꢄꢀIXOOꢀGULYHꢀVWUHQJWKꢄꢀDQGꢀIXOOꢀDUUD\ꢀUHIUHVKꢃ
7KHꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀLVꢀSURJUDPPHGꢀYLDꢀWKHꢀ0RGHꢀ5HJLVWHUꢀ6HWꢀFRPPDQG
ꢁ%$ꢇꢀ ꢀꢇꢄꢀ%$ꢌꢀ ꢀꢌꢂꢀDQGꢀUHWDLQVꢀWKHꢀVWRUHGꢀLQIRUPDWLRQꢀXQWLOꢀLWꢀLVꢀSURJUDPPHG
DJDLQꢀRUꢀWKHꢀGHYLFHꢀORVHVꢀSRZHUꢃ
7KHꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀPXVWꢀEHꢀSURJUDPPHGꢀZLWKꢀ(ꢎꢀWKURXJKꢀ(ꢇꢇꢀVHWꢀWR
³ꢌ´ꢃꢀ,WꢀPXVWꢀEHꢀORDGHGꢀZKHQꢀDOOꢀEDQNVꢀDUHꢀLGOHꢀDQGꢀQRꢀEXUVWVꢀDUHꢀLQꢀSURJUHVVꢄꢀDQG
WKHꢀFRQWUROOHUꢀPXVWꢀZDLWꢀWKHꢀVSHFLILHGꢀWLPHꢀEHIRUHꢀLQLWLDWLQJꢀDQ\ꢀVXEVHTXHQWꢀRSꢅ
HUDWLRQꢃꢀ9LRODWLQJꢀHLWKHUꢀRIꢀWKHVHꢀUHTXLUHPHQWVꢀUHVXOWVꢀLQꢀXQVSHFLILHGꢀRSHUDWLRQꢃ
2QFHꢀWKHꢀYDOXHVꢀDUHꢀHQWHUHGꢀWKHꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHUꢀVHWWLQJVꢀZLOOꢀEHꢀUHWDLQHG
HYHQꢀDIWHUꢀH[LWLQJꢀ'HHSꢀ3RZHUꢅ'RZQꢃ
31 Temperature Compensated Self Refresh
7HPSHUDWXUHꢀ&RPSHQVDWHGꢀ6HOIꢀ5HIUHVKꢀꢁ7&65ꢂꢀDOORZVꢀWKHꢀFRQWUROOHUꢀWRꢀSURJUDP
WKHꢀ5HIUHVKꢀLQWHUYDOꢀGXULQJꢀ6HOIꢀ5HIUHVKꢀPRGHꢄꢀDFFRUGLQJꢀWRꢀWKHꢀFDVHꢀWHPSHUDWXUH
RIꢀWKHꢀ0RELOHꢀGHYLFHꢃꢀ7KLVꢀDOORZVꢀJUHDWꢀSRZHUꢀVDYLQJVꢀGXULQJꢀ6HOIꢀ5HIUHVKꢀGXULQJ
PRVWꢀRSHUDWLQJꢀWHPSHUDWXUHꢀUDQJHVꢃꢀ2QO\ꢀGXULQJꢀH[WUHPHꢀWHPSHUDWXUHVꢀZRXOG
WKHꢀFRQWUROOHUꢀKDYHꢀWRꢀVHOHFWꢀWKHꢀPD[LPXPꢀ7&65ꢀOHYHOꢃꢀ7KLVꢀZRXOGꢀJXDUDQWHHꢀGDWD
GXULQJꢀ6HOIꢀ5HIUHVKꢃ
(YHU\ꢀFHOOꢀLQꢀWKHꢀ6'5$0ꢀUHTXLUHVꢀUHIUHVKLQJꢀGXHꢀWRꢀWKHꢀFDSDFLWRUꢀORVLQJꢀLWVꢀFKDUJH
RYHUꢀWLPHꢃꢀ7KHꢀUHIUHVKꢀUDWHꢀLVꢀGHSHQGHQWꢀRQꢀWHPSHUDWXUHꢃꢀ$WꢀKLJKHUꢀWHPSHUDWXUHV
DꢀFDSDFLWRUꢀORVHVꢀFKDUJHꢀTXLFNHUꢀWKDQꢀDWꢀORZHUꢀWHPSHUDWXUHVꢄꢀUHTXLULQJꢀWKHꢀFHOOV
WRꢀEHꢀUHIUHVKHGꢀPRUHꢀRIWHQꢃꢀ+LVWRULFDOO\ꢄꢀGXULQJꢀ6HOIꢀ5HIUHVKꢄꢀWKHꢀUHIUHVKꢀUDWHꢀKDV
EHHQꢀVHWꢀWRꢀDFFRPPRGDWHꢀWKHꢀZRUVWꢀFDVHꢄꢀRUꢀKLJKHVWꢀWHPSHUDWXUHꢀUDQJH
H[SHFWHGꢃ
7KXVꢄꢀGXULQJꢀDPELHQWꢀWHPSHUDWXUHVꢄꢀWKHꢀSRZHUꢀFRQVXPHGꢀGXULQJꢀUHIUHVKꢀZDVꢀXQꢅ
QHFHVVDULO\ꢀKLJKꢄꢀEHFDXVHꢀWKHꢀUHIUHVKꢀUDWHꢀZDVꢀVHWꢀWRꢀDFFRPPRGDWHꢀWKHꢀKLJKHU
WHPSHUDWXUHVꢃꢀ$GMXVWLQJꢀWKHꢀUHIUHVKꢀUDWHꢀE\ꢀVHWWLQJꢀ(ꢍꢀDQGꢀ(ꢑꢀDOORZVꢀWKHꢀ6'5$0
WRꢀDFFRPPRGDWHꢀPRUHꢀVSHFLILFꢀWHPSHUDWXUHꢀUHJLRQVꢀGXULQJꢀ6HOIꢀ5HIUHVKꢃꢀ7KHUH
DUHꢀIRXUꢀWHPSHUDWXUHꢀVHWWLQJVꢄꢀZKLFKꢀZLOOꢀYDU\ꢀWKHꢀ6HOIꢀ5HIUHVKꢀFXUUHQWꢀDFFRUGLQJ
WRꢀWKHꢀVHOHFWHGꢀWHPSHUDWXUHꢃꢀ7KLVꢀVHOHFWDEOHꢀUHIUHVKꢀUDWHꢀZLOOꢀVDYHꢀSRZHUꢀZKHQ
WKHꢀ6'5$0ꢀLVꢀRSHUDWLQJꢀDWꢀQRUPDOꢀWHPSHUDWXUHVꢃ
32 Partial Array Self Refresh
)RUꢀIXUWKHUꢀSRZHUꢀVDYLQJVꢀGXULQJꢀ6HOIꢀ5HIUHVKꢄꢀWKHꢀ3DUWLDOꢀ$UUD\ꢀ6HOIꢀ5HIUHVK
ꢁ3$65ꢂꢀIHDWXUHꢀDOORZVꢀWKHꢀFRQWUROOHUꢀWRꢀVHOHFWꢀWKHꢀDPRXQWꢀRIꢀPHPRU\ꢀWKDWꢀZLOOꢀEH
UHIUHVKHGꢀGXULQJꢀ6HOIꢀ5HIUHVKꢃꢀ7KHꢀUHIUHVKꢀRSWLRQVꢀDUHꢀDOOꢀEDQNVꢀꢁEDQNVꢀꢌꢄꢀꢇꢄꢀꢏꢄ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
113
P r e l i m i n a r y
DQGꢀꢑꢂꢕꢀWZRꢀEDQNVꢀꢁEDQNVꢀꢌꢀDQGꢀꢇꢂꢕꢀDQGꢀRQHꢀEDQNꢀꢁEDQNꢀꢌꢂꢃꢀ$OVRꢀLQFOXGHGꢀLQꢀWKH
UHIUHVKꢀRSWLRQVꢀDUHꢀWKHꢀꢇꢒꢏꢀEDQNꢀDQGꢀꢇꢒꢍꢀEDQNꢀSDUWLDOꢀDUUD\ꢀVHOIꢀUHIUHVKꢀꢁEDQNꢀꢌꢂꢃ
:ULWHꢀDQGꢀ5HDGꢀFRPPDQGVꢀRFFXUꢀWRꢀDQ\ꢀEDQNꢀVHOHFWHGꢀGXULQJꢀVWDQGDUGꢀRSHUDWLRQꢄ
EXWꢀRQO\ꢀWKHꢀVHOHFWHGꢀEDQNVꢀLQꢀ3$65ꢀZLOOꢀEHꢀUHIUHVKHGꢀGXULQJꢀ6HOIꢀ5HIUHVKꢃꢀ,WꢀLV
LPSRUWDQWꢀWRꢀQRWHꢀWKDWꢀGDWDꢀLQꢀXQXVHGꢀEDQNVꢄꢀRUꢀSRUWLRQVꢀRIꢀEDQNVꢄꢀZLOOꢀEHꢀORVW
ZKHQꢀ3$65ꢀLVꢀXVHGꢃꢀ'DWDꢀZLOOꢀEHꢀORVWꢀLQꢀEDQNVꢀꢇꢄꢀꢏꢄꢀDQGꢀꢑꢀZKHQꢀWKHꢀRQHꢀEDQNꢀRSꢅ
WLRQꢀLVꢀXVHGꢃ
33 Driver Strength
%LWVꢀ(ꢊꢀDQGꢀ(ꢎꢀRIꢀWKHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀFDQꢀEHꢀXVHGꢀWRꢀVHOHFWꢀWKHꢀGULYHU
VWUHQJWKꢀRIꢀWKHꢀ'4ꢀRXWSXWVꢃꢀ7KLVꢀYDOXHꢀVKRXOGꢀEHꢀVHWꢀDFFRUGLQJꢀWRꢀWKHꢀDSSOLFDWLRQ
UHTXLUHPHQWVꢃꢀ)XOOꢀGULYHꢀVWUHQJWKꢀZDVꢀFDUULHGꢀRYHUꢀIURPꢀVWDQGDUGꢀ6'5$0ꢀDQGꢀLV
VXLWDEOHꢀWRꢀGULYHꢀKLJKHUꢀORDGꢀV\VWHPVꢃꢀ)XOOꢀGULYHꢀVWUHQJWKꢀLVꢀQRWꢀUHFRPPHQGHGꢀIRU
ORDGVꢀXQGHUꢀꢑꢌS)ꢃꢀ+DOIꢀGULYHꢀVWUHQJWKꢀLVꢀLQWHQGHGꢀIRUꢀPXOWLꢅGURSꢀV\VWHPVꢀZLWKꢀYDUꢅ
LRXVꢀORDGVꢃꢀ7KLVꢀGULYHꢀRSWLRQꢀLVꢀQRWꢀUHFRPPHQGHGꢀIRUꢀORDGVꢀXQGHUꢀꢇꢊS)ꢃꢀ4XDUWHU
GULYHꢀVWUHQJWKꢀLVꢀLQWHQGHGꢀIRUꢀOLJKWHUꢀORDGVꢀRUꢀSRLQWꢅWRꢅSRLQWꢀV\VWHPVꢃ
BA1BA0 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Address Bus
E13 E12 E11 E10 E9 E8 E7 E6 E5 E4 E3 E2 E1 E0
2
13 12 11 10
9
8
7
6
5
4
3
1
0
Extended Mode
Register (Ex)
1
0
All must be set to "0"
DS
TCSR
PASR
E6 E5 Driver Strength
E4 E3 Maximum Case Temp
85°C3
3
1
0
0
1
0
1
0
0
0
1
Full Strength
Half Strength
70°C
45°C
15°C
Quarter Strength
Reserved
1
1
0
1
1
0
E2
0
E1
0
E0
0
Self Refresh Coverage
Four Banks3
Two Banks (Bank 0,1)
One Bank (Bank 0)
RFU
0
0
1
0
1
0
0
1
1
1
1
0
0
1
1
0
1
0
RFU
1/2 Bank (Bank 0)4
1/4 Bank (Bank 0)5
RFU
1
1
1
Figure 33.1 Extended Mode Register
Ir)
ꢀꢁ (ꢀꢊꢂDQGꢂ(ꢀꢆꢂꢏ%$ꢀꢂDQGꢂ%$ꢈꢐꢂPXVWꢂEHꢂ³ꢀꢄꢂꢈ´ꢂWRꢂVHOHFWꢂWKHꢂH[WHQGHGꢂPRGHꢂUHJLVWHUꢂ
ꢏYVꢁꢂWKHꢂEDVHꢂPRGHꢂUHJLVWHUꢐꢁ
ꢆꢁ 5)8ꢔꢂ5HVHUYHGꢂIRUꢂIXWXUHꢂXVHꢁ
ꢊꢁ 'HIDXOWꢂ(05ꢂYDOXHVꢂDUHꢂIXOOꢂDUUD\ꢂIRUꢂ3$65ꢄꢂ)XOOꢂ'ULYHꢂ6WUHQJWKꢄꢂDQGꢂꢑꢉꢂIRUꢂ7&65ꢁ
ꢎꢁ (ꢀꢀꢂ ꢂꢈꢁ
ꢉꢁ (ꢀꢈꢄꢂ(ꢀꢀꢂ ꢂꢈꢁ
114
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
34 Commands
7DEOH ꢑꢍꢃꢇꢀSURYLGHVꢀDꢀTXLFNꢀUHIHUHQFHꢀRIꢀDYDLODEOHꢀFRPPDQGVꢃꢀ7KLVꢀLVꢀIROORZHGꢀE\
DꢀZULWWHQꢀGHVFULSWLRQꢀRIꢀHDFKꢀFRPPDQGꢃꢀ7KUHHꢀDGGLWLRQDOꢀ7UXWKꢀ7DEOHVꢀDSSHDUꢀIROꢅ
ORZLQJꢀWKHꢀ2SHUDWLRQꢀVHFWLRQꢕꢀWKHVHꢀWDEOHVꢀSURYLGHꢀFXUUHQWꢀVWDWHꢒQH[WꢀVWDWH
LQIRUPDWLRQꢃ
Table 34.1 Truth Table 1 - Commands and DQM Operation
1DPHꢀꢂ)XQFWLRQꢃ
&RPPDQGꢀ,QKLELWꢀꢁ123ꢂ
1Rꢀ2SHUDWLRQ
+
/
;
+
;
+
;
+
;
;
;
;
;
;
%DQNꢒ
5RZ
$FWLYHꢀꢁ6HOHFWꢀEDQNꢀDQGꢀDFWLYDWHꢀURZꢂ
/
/
+
+
;
;
ꢑ
5HDGꢀꢁ6HOHFWꢀEDQNꢀDQGꢀFROXPQꢄꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀEDQNꢀDQGꢀFROXPQꢄꢀDQGꢀVWDUWꢀ:ULWHꢀEXUVWꢂ
/
/
+
+
/
/
+
/
/ꢒ+ %DQNꢒ&RO
/ꢒ+ %DQNꢒ&RO
;
ꢍ
ꢍ
9DOLG
%XUVWꢀ7HUPLQDWHꢀRUꢀ'HHSꢀ3RZHUꢀ'RZQ
ꢁ(QWHUꢀGHHSꢀSRZHUꢀGRZQꢀPRGHꢂ
/
/
+
/
+
+
/
/
;
;
;
;
;
ꢉꢄꢀꢇꢌ
ꢊ
%DQNꢄꢀ
$ꢇꢌ
3UHFKDUJHꢀꢁ'HDFWLYDWHꢀURZꢀLQꢀEDQNꢀRUꢀEDQNVꢂ
$XWRꢀ5HIUHVKꢀRUꢀ6HOIꢀ5HIUHVKꢀꢁ(QWHUꢀVHOIꢀUHIUHVKꢀPRGHꢂ
/RDGꢀ0RGHꢀ5HJLVWHUꢒ/RDGꢀ([WHQGHGꢀ0RGHꢀ5HJLVWHU
:ULWHꢀ(QDEOHꢒ2XWSXWꢀ(QDEOH
/
/
/
/
/
/
+
/
;
;
/
;
;
ꢎꢄꢀꢈ
ꢏ
2Sꢅ&RGH
;
;
;
;
;
;
;
;
;
;
;
$FWLYH
+LJKꢅ=
ꢋ
:ULWHꢀ,QKLELWꢒ2XWSXWꢀ+LJKꢅ=
+
ꢋ
Ir)
ꢀꢁ &.(ꢂLVꢂ+LJKꢂIRUꢂDOOꢂFRPPDQGVꢂVKRZQꢂH[FHSWꢂ6HOIꢂ5HIUHVKꢂDQGꢂ'HHSꢂ3RZHUꢂ'RZQꢁ
ꢆꢁ $ꢈꢃ$ꢀꢀꢂGHILQHꢂRSꢃFRGHꢂZULWWHQꢂWRꢂPRGHꢂUHJLVWHUꢁ
ꢊꢁ $ꢈ±$ꢀꢀꢂSURYLGHꢂURZꢂDGGUHVVꢄꢂDQGꢂ%$ꢈꢄꢂ%$ꢀꢂGHWHUPLQHꢂZKLFKꢂEDQNꢂLVꢂPDGHꢂDFWLYHꢁ
ꢎꢁ $ꢀ±$ꢑꢂSURYLGHꢂFROXPQꢂDGGUHVVꢇꢂ$ꢀꢈꢂ+LJKꢂHQDEOHVꢂWKHꢂDXWRꢂSUHFKDUJHꢂIHDWXUHꢂꢏQRQꢂ
SHUVLVWHQWꢐꢄꢂZKLOHꢂ$ꢀꢈꢂ/RZꢂGLVDEOHVꢂWKHꢂDXWRꢂSUHFKDUJHꢂIHDWXUHꢇꢂ%$ꢈꢄꢂ%$ꢀꢂGHWHUꢃ
PLQHꢂZKLFKꢂEDQNꢂLVꢂEHLQJꢂUHDGꢂIURPꢂRUꢂZULWWHQꢂWRꢁ
ꢉꢁ $ꢀꢈꢂ/RZꢔꢂ%$ꢈꢄꢂ%$ꢀꢂGHWHUPLQHꢂWKHꢂEDQNꢂEHLQJꢂSUHFKDUJHGꢁꢂ$ꢀꢈꢂ+LJKꢔꢂ$OOꢂEDQNVꢂ
SUHFKDUJHGꢂDQGꢂ%$ꢈꢄꢂ%$ꢀꢂDUHꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢌꢁ 7KLVꢂFRPPDQGꢂLVꢂ$XWRꢂ5HIUHVKꢂLIꢂ&.(ꢂLVꢂ+LJKꢄꢂ6HOIꢂ5HIUHVKꢂLIꢂ&.(ꢂLVꢂ/RZꢁ
ꢋꢁ ,QWHUQDOꢂUHIUHVKꢂFRXQWHUꢂFRQWUROVꢂURZꢂDGGUHVVLQJꢇꢂDOOꢂLQSXWVꢂDQGꢂ,ꢍ2VꢂDUHꢂ³'RQ¶Wꢂ
&DUH´ꢂH[FHSWꢂIRUꢂ&.(
ꢑꢁ $FWLYDWHVꢂRUꢂGHDFWLYDWHVꢂWKHꢂ'4VꢂGXULQJꢂ:ULWHVꢂꢏ]HURꢃFORFNꢂGHOD\ꢐꢂDQGꢂ5HDGVꢂꢏWZRꢃ
FORFNꢂGHOD\ꢐꢁꢂ'40/ꢂFRQWUROVꢂ'4ꢈꢃꢋꢄꢂ'40+ꢂFRQWUROVꢂ'4ꢑꢃꢀꢉꢁ
ꢒꢁ 7KLVꢂFRPPDQGꢂLVꢂ%XUVWꢂ7HUPLQDWHꢂZKHQꢂ&.(ꢂLVꢂKLJKꢂDQGꢂ'HHSꢂ3RZHUꢂ'RZQꢂZKHQꢂ
&.(ꢂLVꢂORZꢁ
ꢀꢈꢁ7KHꢂSXUSRVHꢂRIꢂWKHꢂ%XUVWꢂ7HUPLQDWHꢂFRPPDQGꢂLVꢂWRꢂVWRSꢂDꢂGDWDꢂEXUVWꢄꢂWKXVꢂWKHꢂ
FRPPDQGꢂFRXOGꢂFRLQFLGHꢂZLWKꢂGDWDꢂRQꢂWKHꢂEXVꢁꢂ+RZHYHUꢂWKHꢂ'4VꢂFROXPQꢂUHDGVꢂDꢂ
GRQ¶WꢂFDUHꢂVWDWHꢂWRꢂLOOXVWUDWHꢂWKDWꢂWKHꢂ%XUVWꢂ7HUPLQDWHꢂFRPPDQGꢂFDQꢂRFFXUꢂZKHQꢂ
WKHUHꢂLVꢂQRꢂGDWDꢂSUHVHQWꢁ
35 Command Inhibit
7KHꢀ&RPPDQGꢀ,QKLELWꢀIXQFWLRQꢀSUHYHQWVꢀQHZꢀFRPPDQGVꢀIURPꢀEHLQJꢀH[HFXWHGꢀE\
WKHꢀ6'5$0ꢄꢀUHJDUGOHVVꢀRIꢀZKHWKHUꢀWKHꢀ&/.ꢀVLJQDOꢀLVꢀHQDEOHGꢃꢀ7KHꢀ6'5$0ꢀLVꢀHIꢅ
IHFWLYHO\ꢀGHVHOHFWHGꢃꢀ2SHUDWLRQVꢀDOUHDG\ꢀLQꢀSURJUHVVꢀDUHꢀQRWꢀDIIHFWHGꢃ
36 No Operation (NOP)
7KHꢀ1Rꢀ2SHUDWLRQꢀꢁ123ꢂꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀSHUIRUPꢀDꢀ123ꢀWRꢀDQꢀ6'5$0ꢀZKLFK
LVꢀVHOHFWHGꢀꢁ&6ꢔꢀLVꢀ/RZꢂꢃꢀ7KLVꢀSUHYHQWVꢀXQZDQWHGꢀFRPPDQGVꢀIURPꢀEHLQJꢀUHJLVꢅ
WHUHGꢀGXULQJꢀLGOHꢀRUꢀZDLWꢀVWDWHVꢃꢀ2SHUDWLRQVꢀDOUHDG\ꢀLQꢀSURJUHVVꢀDUHꢀQRWꢀDIIHFWHGꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
115
P r e l i m i n a r y
37 Load Mode Register
7KHꢀPRGHꢀUHJLVWHUꢀLVꢀORDGHGꢀYLDꢀLQSXWVꢀ$ꢌ±$ꢇꢇꢄꢀ%$ꢌꢄꢀ%$ꢇꢃꢀ6HHꢀPRGHꢀUHJLVWHU
KHDGLQJꢀLQꢀWKHꢀ5HJLVWHUꢀ'HILQLWLRQꢀVHFWLRQꢃꢀ7KHꢀ/RDGꢀ0RGHꢀ5HJLVWHUꢀDQGꢀ/RDGꢀ([ꢅ
WHQGHGꢀ0RGHꢀ5HJLVWHUꢀFRPPDQGVꢀFDQꢀRQO\ꢀEHꢀLVVXHGꢀZKHQꢀDOOꢀEDQNVꢀDUHꢀLGOHꢄꢀDQG
DꢀVXEVHTXHQWꢀH[HFXWDEOHꢀFRPPDQGꢀFDQQRWꢀEHꢀLVVXHGꢀXQWLOꢀW05'ꢀLVꢀPHWꢃ
7KHꢀYDOXHVꢀRIꢀWKHꢀPRGHꢀUHJLVWHUꢀDQGꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀZLOOꢀEHꢀUHWDLQHGꢀHYHQ
ZKHQꢀH[LWLQJꢀGHHSꢀSRZHUꢅGRZQꢃ
38 Active
7KHꢀ$FWLYHꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀRSHQꢀꢁRUꢀDFWLYDWHꢂꢀDꢀURZꢀLQꢀDꢀSDUWLFXODUꢀEDQNꢀIRU
DꢀVXEVHTXHQWꢀDFFHVVꢃꢀ7KHꢀYDOXHꢀRQꢀWKHꢀ%$ꢌꢄꢀ%$ꢇꢀLQSXWVꢀVHOHFWVꢀWKHꢀEDQNꢄꢀDQGꢀWKH
DGGUHVVꢀSURYLGHGꢀRQꢀLQSXWVꢀ$ꢌ±$ꢇꢇꢀVHOHFWVꢀWKHꢀURZꢃꢀ7KLVꢀURZꢀUHPDLQVꢀDFWLYHꢀꢁRU
RSHQꢂꢀIRUꢀDFFHVVHVꢀXQWLOꢀDꢀSUHFKDUJHꢀFRPPDQGꢀLVꢀLVVXHGꢀWRꢀWKDWꢀEDQNꢃꢀ$ꢀSUHꢅ
FKDUJHꢀFRPPDQGꢀPXVWꢀEHꢀLVVXHGꢀEHIRUHꢀRSHQLQJꢀDꢀGLIIHUHQWꢀURZꢀLQꢀWKHꢀVDPH
EDQNꢃ
39 Read
7KHꢀ5HDGꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀLQLWLDWHꢀDꢀEXUVWꢀUHDGꢀDFFHVVꢀWRꢀDQꢀDFWLYHꢀURZꢃꢀ7KH
YDOXHꢀRQꢀWKHꢀ%$ꢌꢄꢀ%$ꢇꢀLQSXWVꢀVHOHFWVꢀWKHꢀEDQNꢄꢀDQGꢀWKHꢀDGGUHVVꢀSURYLGHGꢀRQꢀLQꢅ
SXWVꢀ$ꢇ±$ꢋꢀVHOHFWVꢀWKHꢀVWDUWLQJꢀFROXPQꢀORFDWLRQꢃꢀ7KHꢀYDOXHꢀRQꢀLQSXWꢀ$ꢇꢌ
GHWHUPLQHVꢀZKHWKHUꢀRUꢀQRWꢀDXWRꢀSUHFKDUJHꢀLVꢀXVHGꢃꢀ,IꢀDXWRꢀSUHFKDUJHꢀLVꢀVHOHFWHGꢄ
WKHꢀURZꢀEHLQJꢀDFFHVVHGꢀZLOOꢀEHꢀSUHFKDUJHGꢀDWꢀWKHꢀHQGꢀRIꢀWKHꢀUHDGꢀEXUVWꢕꢀLIꢀDXWR
SUHFKDUJHꢀLVꢀQRWꢀVHOHFWHGꢄꢀWKHꢀURZꢀZLOOꢀUHPDLQꢀRSHQꢀIRUꢀVXEVHTXHQWꢀDFFHVVHVꢃ
5HDGꢀGDWDꢀDSSHDUVꢀRQꢀWKHꢀ'4ꢀVXEMHFWꢀWRꢀWKHꢀORJLFꢀOHYHOꢀRQꢀWKHꢀ'40ꢀLQSXWVꢀWZR
FORFNVꢀHDUOLHUꢃꢀ,IꢀDꢀJLYHQꢀ'40ꢀVLJQDOꢀZDVꢀUHJLVWHUHGꢀ+LJKꢄꢀWKHꢀFRUUHVSRQGLQJꢀ'4
ZLOOꢀEHꢀ+LJKꢅ=ꢀWZRꢀFORFNVꢀODWHUꢕꢀLIꢀWKHꢀ'40ꢀVLJQDOꢀZDVꢀUHJLVWHUHGꢀ/RZꢄꢀWKHꢀ'4ꢀZLOO
SURYLGHꢀYDOLGꢀGDWDꢃ
40 Write
7KHꢀ:ULWHꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀLQLWLDWHꢀDꢀEXUVWꢀZULWHꢀDFFHVVꢀWRꢀDQꢀDFWLYHꢀURZꢃꢀ7KH
YDOXHꢀRQꢀWKHꢀ%$ꢌꢄꢀ%$ꢇꢀLQSXWVꢀVHOHFWVꢀWKHꢀEDQNꢄꢀDQGꢀWKHꢀDGGUHVVꢀSURYLGHGꢀRQꢀLQꢅ
SXWVꢀ$ꢇ±$ꢋꢀVHOHFWVꢀWKHꢀVWDUWLQJꢀFROXPQꢀORFDWLRQꢃꢀ7KHꢀYDOXHꢀRQꢀLQSXWꢀ$ꢇꢌ
GHWHUPLQHVꢀZKHWKHUꢀRUꢀQRWꢀDXWRꢀSUHFKDUJHꢀLVꢀXVHGꢃꢀ,IꢀDXWRꢀSUHFKDUJHꢀLVꢀVHOHFWHGꢄ
WKHꢀURZꢀEHLQJꢀDFFHVVHGꢀZLOOꢀEHꢀSUHFKDUJHGꢀDWꢀWKHꢀHQGꢀRIꢀWKHꢀZULWHꢀEXUVWꢕꢀLIꢀDXWR
SUHFKDUJHꢀLVꢀQRWꢀVHOHFWHGꢄꢀWKHꢀURZꢀZLOOꢀUHPDLQꢀRSHQꢀIRUꢀVXEVHTXHQWꢀDFFHVVHVꢃ
,QSXWꢀGDWDꢀDSSHDULQJꢀRQꢀWKHꢀ'4ꢀLVꢀZULWWHQꢀWRꢀWKHꢀPHPRU\ꢀDUUD\ꢀVXEMHFWꢀWRꢀWKH
'40ꢀLQSXWꢀORJLFꢀOHYHOꢀDSSHDULQJꢀFRLQFLGHQWꢀZLWKꢀWKHꢀGDWDꢃꢀ,IꢀDꢀJLYHQꢀ'40ꢀVLJQDO
LVꢀUHJLVWHUHGꢀ/RZꢄꢀWKHꢀFRUUHVSRQGLQJꢀGDWDꢀZLOOꢀEHꢀZULWWHQꢀWRꢀPHPRU\ꢕꢀLIꢀWKHꢀ'40
VLJQDOꢀLVꢀUHJLVWHUHGꢀ+LJKꢄꢀWKHꢀFRUUHVSRQGLQJꢀGDWDꢀLQSXWVꢀZLOOꢀEHꢀLJQRUHGꢄꢀDQGꢀD
ZULWHꢀZLOOꢀQRWꢀEHꢀH[HFXWHGꢀWRꢀWKDWꢀE\WHꢒFROXPQꢀORFDWLRQꢃ
41 Precharge
7KHꢀ3UHFKDUJHꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀGHDFWLYDWHꢀWKHꢀRSHQꢀURZꢀLQꢀDꢀSDUWLFXODUꢀEDQN
RUꢀWKHꢀRSHQꢀURZꢀLQꢀDOOꢀEDQNVꢃꢀ7KHꢀEDQNꢁVꢂꢀZLOOꢀEHꢀDYDLODEOHꢀIRUꢀDꢀVXEVHTXHQWꢀURZ
DFFHVVꢀDꢀVSHFLILHGꢀWLPHꢀꢁW53ꢂꢀDIWHUꢀWKHꢀSUHFKDUJHꢀFRPPDQGꢀLVꢀLVVXHGꢃꢀ,QSXWꢀ$ꢇꢌ
GHWHUPLQHVꢀZKHWKHUꢀRQHꢀRUꢀDOOꢀEDQNVꢀDUHꢀWRꢀEHꢀSUHFKDUJHGꢄꢀDQGꢀLQꢀWKHꢀFDVHꢀZKHUH
RQO\ꢀRQHꢀEDQNꢀLVꢀWRꢀEHꢀSUHFKDUJHGꢄꢀLQSXWVꢀ%$ꢌꢄꢀ%$ꢇꢀVHOHFWꢀWKHꢀEDQNꢃꢀ2WKHUZLVH
%$ꢌꢄꢀ%$ꢇꢀDUHꢀWUHDWHGꢀDVꢀ³'RQ¶Wꢀ&DUHꢃ´ꢀ2QFHꢀDꢀEDQNꢀKDVꢀEHHQꢀSUHFKDUJHGꢄꢀLWꢀLVꢀLQ
116
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
WKHꢀLGOHꢀVWDWHꢀDQGꢀPXVWꢀEHꢀDFWLYDWHGꢀSULRUꢀWRꢀDQ\ꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGVꢀEHLQJ
LVVXHGꢀWRꢀWKDWꢀEDQNꢃ
42 Auto Precharge
$XWRꢀSUHFKDUJHꢀLVꢀDꢀIHDWXUHꢀZKLFKꢀSHUIRUPVꢀWKHꢀVDPHꢀLQGLYLGXDOꢅEDQNꢀSUHFKDUJH
IXQFWLRQꢀGHVFULEHGꢀDERYHꢄꢀZLWKRXWꢀUHTXLULQJꢀDQꢀH[SOLFLWꢀFRPPDQGꢃꢀ7KLVꢀLVꢀDFFRPꢅ
SOLVKHGꢀE\ꢀXVLQJꢀ$ꢇꢌꢀWRꢀHQDEOHꢀDXWRꢀSUHFKDUJHꢀLQꢀFRQMXQFWLRQꢀZLWKꢀDꢀVSHFLILFꢀ5HDG
RUꢀ:ULWHꢀFRPPDQGꢃꢀ$ꢀSUHFKDUJHꢀRIꢀWKHꢀEDQNꢒURZꢀWKDWꢀLVꢀDGGUHVVHGꢀZLWKꢀWKHꢀ5HDG
RUꢀ:ULWHꢀFRPPDQGꢀLVꢀDXWRPDWLFDOO\ꢀSHUIRUPHGꢀXSRQꢀFRPSOHWLRQꢀRIꢀWKHꢀ5HDGꢀRU
:ULWHꢀEXUVWꢄꢀH[FHSWꢀLQꢀWKHꢀIXOOꢅSDJHꢀEXUVWꢀPRGHꢄꢀZKHUHꢀDXWRꢀSUHFKDUJHꢀGRHVꢀQRW
DSSO\ꢃꢀ$XWRꢀSUHFKDUJHꢀLVꢀQRQꢀSHUVLVWHQWꢀLQꢀWKDWꢀLWꢀLVꢀHLWKHUꢀHQDEOHGꢀRUꢀGLVDEOHGꢀIRU
HDFKꢀLQGLYLGXDOꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢃ
$XWRꢀSUHFKDUJHꢀHQVXUHVꢀWKDWꢀWKHꢀSUHFKDUJHꢀLVꢀLQLWLDWHGꢀDWꢀWKHꢀHDUOLHVWꢀYDOLGꢀVWDJH
ZLWKLQꢀDꢀEXUVWꢃꢀ7KHꢀXVHUꢀPXVWꢀQRWꢀLVVXHꢀDQRWKHUꢀFRPPDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢀXQWLO
WKHꢀSUHFKDUJHꢀWLPHꢀꢁW53ꢂꢀLVꢀFRPSOHWHGꢃꢀ7KLVꢀLVꢀGHWHUPLQHGꢀDVꢀLIꢀDQꢀH[SOLFLWꢀ3UHꢅ
FKDUJHꢀFRPPDQGꢀZDVꢀLVVXHGꢀDWꢀWKHꢀHDUOLHVWꢀSRVVLEOHꢀWLPHꢄꢀDVꢀGHVFULEHGꢀIRUꢀHDFK
EXUVWꢀW\SHꢀLQꢀWKHꢀ2SHUDWLRQꢀVHFWLRQꢀRIꢀWKLVꢀGDWDꢀVKHHWꢃ
43 Burst Terminate
7KHꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀWUXQFDWHꢀHLWKHUꢀIL[HGꢅOHQJWKꢀRUꢀIXOOꢅSDJH
EXUVWVꢃꢀ7KHꢀPRVWꢀUHFHQWO\ꢀUHJLVWHUHGꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢀSULRUꢀWRꢀWKHꢀ%XUVW
7HUPLQDWHꢀFRPPDQGꢀZLOOꢀEHꢀWUXQFDWHGꢄꢀDVꢀVKRZQꢀLQꢀWKHꢀ2SHUDWLRQꢀVHFWLRQꢀRIꢀWKLV
GDWDꢀVKHHWꢃ
44 Auto Refresh
$XWRꢀ5HIUHVKꢀLVꢀXVHGꢀGXULQJꢀQRUPDOꢀRSHUDWLRQꢀRIꢀWKHꢀ6'5$0ꢀDQGꢀLVꢀDQDORJRXVꢀWR
&$6ꢔꢅ%()25(ꢅ5$6ꢔꢀꢁ&%5ꢂꢀUHIUHVKꢀLQꢀFRQYHQWLRQDOꢀ'5$0Vꢃꢀ7KLVꢀFRPPDQGꢀLVꢀQRQ
SHUVLVWHQWꢄꢀVRꢀLWꢀPXVWꢀEHꢀLVVXHGꢀHDFKꢀWLPHꢀDꢀUHIUHVKꢀLVꢀUHTXLUHGꢃꢀ$OOꢀDFWLYHꢀEDQNV
PXVWꢀEHꢀ35(&+$5*('ꢀSULRUꢀWRꢀLVVXLQJꢀDQꢀ$XWRꢀ5HIUHVKꢀFRPPDQGꢃꢀ7KHꢀ$XWRꢀ5Hꢅ
IUHVKꢀFRPPDQGꢀVKRXOGꢀQRWꢀEHꢀLVVXHGꢀXQWLOꢀWKHꢀPLQLPXPꢀW53ꢀKDVꢀEHHQꢀPHWꢀDIWHU
WKHꢀ3UHFKDUJHꢀFRPPDQGꢀDVꢀVKRZQꢀLQꢀWKHꢀRSHUDWLRQꢀVHFWLRQꢃ
7KHꢀDGGUHVVLQJꢀLVꢀJHQHUDWHGꢀE\ꢀWKHꢀLQWHUQDOꢀUHIUHVKꢀFRQWUROOHUꢃꢀ7KLVꢀPDNHVꢀWKHꢀDGꢅ
GUHVVꢀELWVꢀ³'RQ¶Wꢀ&DUH´ꢀGXULQJꢀDQꢀ$XWRꢀ5HIUHVKꢀFRPPDQGꢃꢀ7KHꢀꢇꢏꢋ0Eꢀ6'5$0
UHTXLUHVꢀꢍꢄꢌꢉꢎꢀ$XWRꢀ5HIUHVKꢀF\FOHVꢀHYHU\ꢀꢎꢍPVꢀꢁW5()ꢂꢃꢀ3URYLGLQJꢀDꢀGLVWULEXWHG
$XWRꢀ5HIUHVKꢀFRPPDQGꢀHYHU\ꢀꢇꢊꢃꢎꢏꢊVꢀZLOOꢀPHHWꢀWKHꢀUHIUHVKꢀUHTXLUHPHQWꢀDQG
HQVXUHꢀWKDWꢀHDFKꢀURZꢀLVꢀUHIUHVKHGꢃꢀ$OWHUQDWLYHO\ꢄꢀꢍꢄꢌꢉꢎꢀ$XWRꢀ5HIUHVKꢀFRPPDQGV
FDQꢀEHꢀLVVXHGꢀLQꢀDꢀEXUVWꢀDWꢀWKHꢀPLQLPXPꢀF\FOHꢀUDWHꢀꢁW5)&ꢂꢄꢀRQFHꢀHYHU\ꢀꢎꢍPVꢃ
45 Self Refresh
7KHꢀ6HOIꢀ5HIUHVKꢀFRPPDQGꢀFDQꢀEHꢀXVHGꢀWRꢀUHWDLQꢀGDWDꢀLQꢀWKHꢀ6'5$0ꢄꢀHYHQꢀLIꢀWKH
UHVWꢀRIꢀWKHꢀV\VWHPꢀLVꢀSRZHUHGꢀGRZQꢄꢀDVꢀORQJꢀDVꢀSRZHUꢀLVꢀQRWꢀFRPSOHWHO\ꢀUHPRYHG
IURPꢀWKHꢀ6'5$0ꢃꢀ:KHQꢀLQꢀWKHꢀVHOIꢀUHIUHVKꢀPRGHꢄꢀWKHꢀ6'5$0ꢀUHWDLQVꢀGDWDꢀZLWKRXW
H[WHUQDOꢀFORFNLQJꢃꢀ7KHꢀ6HOIꢀ5HIUHVKꢀFRPPDQGꢀLVꢀLQLWLDWHGꢀOLNHꢀDQꢀ$XWRꢀ5HIUHVK
FRPPDQGꢀH[FHSWꢀ&.(ꢀLVꢀGLVDEOHGꢀꢁ/RZꢂꢃꢀ2QFHꢀWKHꢀ6HOIꢀ5HIUHVKꢀFRPPDQGꢀLVꢀUHJꢅ
LVWHUHGꢄꢀDOOꢀWKHꢀLQSXWVꢀWRꢀWKHꢀ6'5$0ꢀEHFRPHꢀ³'RQ¶Wꢀ&DUH´ꢀZLWKꢀWKHꢀH[FHSWLRQꢀRI
&.(ꢄꢀZKLFKꢀPXVWꢀUHPDLQꢀ/RZꢃ
2QFHꢀVHOIꢀUHIUHVKꢀPRGHꢀLVꢀHQJDJHGꢄꢀWKHꢀ6'5$0ꢀSURYLGHVꢀLWVꢀRZQꢀLQWHUQDOꢀFORFNLQJꢄ
FDXVLQJꢀLWꢀWRꢀSHUIRUPꢀLWVꢀRZQꢀDXWRꢀUHIUHVKꢀF\FOHVꢃꢀ7KHꢀ6'5$0ꢀPXVWꢀUHPDLQꢀLQꢀVHOI
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
117
P r e l i m i n a r y
UHIUHVKꢀPRGHꢀIRUꢀDꢀPLQLPXPꢀSHULRGꢀHTXDOꢀWRꢀW5$6ꢀDQGꢀPD\ꢀUHPDLQꢀLQꢀVHOIꢀUHIUHVK
PRGHꢀIRUꢀDQꢀLQGHILQLWHꢀSHULRGꢀEH\RQGꢀWKDWꢃ
7KHꢀSURFHGXUHꢀIRUꢀH[LWLQJꢀVHOIꢀUHIUHVKꢀUHTXLUHVꢀDꢀVHTXHQFHꢀRIꢀFRPPDQGVꢃꢀ)LUVWꢄ
&/.ꢀPXVWꢀEHꢀVWDEOHꢀꢁVWDEOHꢀFORFNꢀLVꢀGHILQHGꢀDVꢀDꢀVLJQDOꢀF\FOLQJꢀZLWKLQꢀWLPLQJꢀFRQꢅ
VWUDLQWVꢀVSHFLILHGꢀIRUꢀWKHꢀFORFNꢀSLQꢂꢀSULRUꢀWRꢀ&.(ꢀJRLQJꢀEDFNꢀ+LJKꢃꢀ2QFHꢀ&.(ꢀLV
+LJKꢄꢀWKHꢀ6'5$0ꢀPXVWꢀKDYHꢀ123ꢀFRPPDQGVꢀLVVXHGꢀꢁDꢀPLQLPXPꢀRIꢀWZRꢀFORFNVꢂ
IRUꢀW;65ꢀEHFDXVHꢀWLPHꢀLVꢀUHTXLUHGꢀIRUꢀWKHꢀFRPSOHWLRQꢀRIꢀDQ\ꢀLQWHUQDOꢀUHIUHVKꢀLQ
SURJUHVVꢃ
8SRQꢀH[LWLQJꢀWKHꢀVHOIꢀUHIUHVKꢀPRGHꢄꢀ$XWRꢀ5HIUHVKꢀFRPPDQGVꢀPXVWꢀEHꢀLVVXHG
HYHU\ꢀꢇꢊꢃꢎꢏꢊVꢀRUꢀOHVVꢀDVꢀERWKꢀ6HOIꢀ5HIUHVKꢀDQGꢀ$XWRꢀ5HIUHVKꢀXWLOL]HꢀWKHꢀURZꢀUHꢅ
IUHVKꢀFRXQWHUꢃ
46 Deep Power-down
7KHꢀRSHUDWLQJꢀPRGHꢀGHHSꢀSRZHUꢅGRZQꢀDFKLHYHVꢀPD[LPXPꢀSRZHUꢀUHGXFWLRQꢀE\
HOLPLQDWLQJꢀWKHꢀSRZHUꢀRIꢀWKHꢀZKROHꢀPHPRU\ꢀDUUD\ꢀRIꢀWKHꢀGHYLFHꢃꢀ$UUD\ꢀGDWDꢀZLOO
QRWꢀEHꢀUHWDLQHGꢀRQFHꢀWKHꢀGHYLFHꢀHQWHUVꢀGHHSꢀSRZHUꢅGRZQꢀPRGHꢃ
7KLVꢀPRGHꢀLVꢀHQWHUHGꢀE\ꢀKDYLQJꢀDOOꢀEDQNVꢀLGOHꢀWKHQꢀ&6ꢔꢀDQGꢀ:(ꢔꢀKHOGꢀORZꢀZLWK
5$6ꢔꢀDQGꢀ&$6ꢔꢀKHOGꢀKLJKꢀDWꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢄꢀZKLOHꢀ&.(ꢀLVꢀORZꢃꢀ7KLV
PRGHꢀLVꢀH[LWHGꢀE\ꢀDVVHUWLQJꢀ&.(ꢀKLJKꢃ
47 Operation
47.1 Bank/Row Activation
%HIRUHꢀDQ\ꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGVꢀFDQꢀEHꢀLVVXHGꢀWRꢀDꢀEDQNꢀZLWKLQꢀWKHꢀ6'5$0ꢄ
DꢀURZꢀLQꢀWKDWꢀEDQNꢀPXVWꢀEHꢀ³RSHQHGꢃ´ꢀ7KLVꢀLVꢀDFFRPSOLVKHGꢀYLDꢀWKHꢀ$FWLYHꢀFRPꢅ
PDQGꢄꢀZKLFKꢀVHOHFWVꢀERWKꢀWKHꢀEDQNꢀDQGꢀWKHꢀURZꢀWRꢀEHꢀDFWLYDWHGꢀꢁVHHꢀ)LJXUH ꢍꢈꢃꢇꢄ
$FWLYDWLQJꢀDꢀ6SHFLILFꢀ5RZꢀLQꢀDꢀ6SHFLILFꢀ%DQNꢀ5HJLVWHUꢂꢃ
$IWHUꢀRSHQLQJꢀDꢀURZꢀꢁLVVXLQJꢀDQꢀ$FWLYHꢀFRPPDQGꢂꢄꢀDꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGꢀPD\
EHꢀLVVXHGꢀWRꢀWKDWꢀURZꢄꢀVXEMHFWꢀWRꢀWKHꢀW5&'ꢀVSHFLILFDWLRQꢃꢀW5&'ꢀꢁ0,1ꢂꢀVKRXOGꢀEHꢀGLꢅ
YLGHGꢀE\ꢀWKHꢀFORFNꢀSHULRGꢀDQGꢀURXQGHGꢀXSꢀWRꢀWKHꢀQH[WꢀZKROHꢀQXPEHUꢀWRꢀGHWHUPLQH
WKHꢀHDUOLHVWꢀFORFNꢀHGJHꢀDIWHUꢀWKHꢀ$FWLYHꢀFRPPDQGꢀRQꢀZKLFKꢀDꢀ5HDGꢀRUꢀ:ULWHꢀFRPꢅ
PDQGꢀFDQꢀEHꢀHQWHUHGꢃꢀ)RUꢀH[DPSOHꢄꢀDꢀW5&'ꢀVSHFLILFDWLRQꢀRIꢀꢏꢌQVꢀZLWKꢀDꢀꢇꢏꢊꢀ0+]
FORFNꢀꢁꢋQVꢀSHULRGꢂꢀUHVXOWVꢀLQꢀꢏꢃꢊꢀFORFNVꢄꢀURXQGHGꢀWRꢀꢑꢃꢀ7KLVꢀLVꢀUHIOHFWHGꢀLQ
)LJXUH ꢍꢈꢃꢏꢄꢀZKLFKꢀFRYHUVꢀDQ\ꢀFDVHꢀZKHUHꢀꢏꢀꢙꢀW5&'ꢀꢁ0,1ꢂꢒW&.ꢀ≤ꢀꢑꢃꢀꢁ7KHꢀVDPHꢀSURꢅ
FHGXUHꢀLVꢀXVHGꢀWRꢀFRQYHUWꢀRWKHUꢀVSHFLILFDWLRQꢀOLPLWVꢀIURPꢀWLPHꢀXQLWVꢀWRꢀFORFN
F\FOHVꢃꢂ
$ꢀVXEVHTXHQWꢀ$FWLYHꢀFRPPDQGꢀWRꢀDꢀGLIIHUHQWꢀURZꢀLQꢀWKHꢀVDPHꢀEDQNꢀFDQꢀRQO\ꢀEH
LVVXHGꢀDIWHUꢀWKHꢀSUHYLRXVꢀDFWLYHꢀURZꢀKDVꢀEHHQꢀ³FORVHG´ꢀꢁSUHFKDUJHGꢂꢃꢀ7KHꢀPLQLꢅ
PXPꢀWLPHꢀLQWHUYDOꢀEHWZHHQꢀVXFFHVVLYHꢀ$FWLYHꢀFRPPDQGVꢀWRꢀWKHꢀVDPHꢀEDQNꢀLV
GHILQHGꢀE\ꢀW5&
ꢃ
$ꢀVXEVHTXHQWꢀ$FWLYHꢀFRPPDQGꢀWRꢀDQRWKHUꢀEDQNꢀFDQꢀEHꢀLVVXHGꢀZKLOHꢀWKHꢀILUVWꢀEDQN
LVꢀEHLQJꢀDFFHVVHGꢄꢀZKLFKꢀUHVXOWVꢀLQꢀDꢀUHGXFWLRQꢀRIꢀWRWDOꢀURZꢅDFFHVVꢀRYHUKHDGꢃꢀ7KH
PLQLPXPꢀWLPHꢀLQWHUYDOꢀEHWZHHQꢀVXFFHVVLYHꢀ$FWLYHꢀFRPPDQGVꢀWRꢀGLIIHUHQWꢀEDQNV
LVꢀGHILQHGꢀE\ꢀW55'
ꢃ
118
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
CLK
CKE
CS#
HIGH
RAS#
CAS#
WE#
ROW
A0–A10, A11
BA0, BA1
ADDRESS
BANK
ADDRESS
DON’T CARE
Figure 47.1 Activating a Specific Row in a Specific Bank Register
T0
T1
T2
T3
T4
CLK
READ or
WRITE
COMMAND
ACTIVE
NOP
NOP
t
RCD
DON’T CARE
Figure 47.2. Meeting tRCD (MIN) when 2 < tRCD (MIN)/tCK≤ 3
47.2 Reads
5HDGꢀEXUVWVꢀDUHꢀLQLWLDWHGꢀZLWKꢀDꢀ5HDGꢀFRPPDQGꢄꢀDV
VKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢏꢃ
7KHꢀVWDUWLQJꢀFROXPQꢀDQGꢀEDQNꢀDGGUHVVHVꢀDUHꢀSURYLGHGꢀZLWKꢀWKHꢀ5HDGꢀFRPPDQGꢄ
DQGꢀDXWRꢀSUHFKDUJHꢀLVꢀHLWKHUꢀHQDEOHGꢀRUꢀGLVDEOHGꢀIRUꢀWKDWꢀEXUVWꢀDFFHVVꢃꢀ,IꢀDXWRꢀSUHꢅ
FKDUJHꢀLVꢀHQDEOHGꢄꢀWKHꢀURZꢀEHLQJꢀDFFHVVHGꢀLVꢀSUHFKDUJHGꢀDWꢀWKHꢀFRPSOHWLRQꢀRIꢀWKH
EXUVWꢃꢀ)RUꢀWKHꢀJHQHULFꢀ5HDGꢀFRPPDQGVꢀXVHGꢀLQꢀWKHꢀIROORZLQJꢀLOOXVWUDWLRQVꢄꢀDXWR
SUHFKDUJHꢀLVꢀGLVDEOHGꢃ
'XULQJꢀ5HDGꢀEXUVWVꢄꢀWKHꢀYDOLGꢀGDWDꢅRXWꢀHOHPHQWꢀIURPꢀWKHꢀVWDUWLQJꢀFROXPQꢀDGGUHVV
ZLOOꢀEHꢀDYDLODEOHꢀIROORZLQJꢀWKHꢀ&$6ꢀODWHQF\ꢀDIWHUꢀWKHꢀ5HDGꢀFRPPDQGꢃꢀ(DFKꢀVXEVHꢅ
TXHQWꢀGDWDꢅRXWꢀHOHPHQWꢀZLOOꢀEHꢀYDOLGꢀE\ꢀWKHꢀQH[WꢀSRVLWLYHꢀFORFNꢀHGJHꢃꢀ)LJXUH ꢏꢈꢃꢇꢄ
³&$6ꢀ/DWHQF\ꢄ´ꢀRQꢀSDJH ꢇꢇꢏꢄꢀVKRZVꢀJHQHUDOꢀWLPLQJꢀIRUꢀHDFKꢀSRVVLEOHꢀ&$6ꢀODWHQF\
VHWWLQJꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
119
P r e l i m i n a r y
8SRQꢀFRPSOHWLRQꢀRIꢀDꢀEXUVWꢄꢀDVVXPLQJꢀQRꢀRWKHUꢀFRPPDQGVꢀKDYHꢀEHHQꢀLQLWLDWHGꢄ
WKHꢀ'4ꢀZLOOꢀJRꢀ+LJKꢅ=ꢃꢀ$ꢀIXOOꢅSDJHꢀEXUVWꢀZLOOꢀFRQWLQXHꢀXQWLOꢀWHUPLQDWHGꢃꢀꢁ$WꢀWKHꢀHQG
RIꢀWKHꢀSDJHꢄꢀLWꢀZLOOꢀZUDSꢀWRꢀFROXPQꢀꢌꢀDQGꢀFRQWLQXHꢃꢂ
'DWDꢀIURPꢀDQ\ꢀ5HDGꢀEXUVWꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀVXEVHTXHQWꢀ5HDGꢀFRPPDQGꢄ
DQGꢀGDWDꢀIURPꢀDꢀIL[HGꢀOHQJWKꢀ5HDGꢀEXUVWꢀPD\ꢀEHꢀLPPHGLDWHO\ꢀIROORZHGꢀE\ꢀGDWD
IURPꢀDꢀ5HDGꢀFRPPDQGꢃꢀ,QꢀHLWKHUꢀFDVHꢄꢀDꢀFRQWLQXRXVꢀIORZꢀRIꢀGDWDꢀFDQꢀEHꢀPDLQꢅ
WDLQHGꢃꢀ7KHꢀILUVWꢀGDWDꢀHOHPHQWꢀIURPꢀWKHꢀQHZꢀEXUVWꢀIROORZVꢀHLWKHUꢀWKHꢀODVWꢀHOHPHQW
RIꢀDꢀFRPSOHWHGꢀEXUVWꢀRUꢀWKHꢀODVWꢀGHVLUHGꢀGDWDꢀHOHPHQWꢀRIꢀDꢀORQJHUꢀEXUVWꢀWKDWꢀLV
EHLQJꢀWUXQFDWHGꢃꢀ7KHꢀQHZꢀ5HDGꢀFRPPDQGꢀVKRXOGꢀEHꢀLVVXHGꢀ[ꢀF\FOHVꢀEHIRUHꢀWKH
FORFNꢀHGJHꢀDWꢀZKLFKꢀWKHꢀODVWꢀGHVLUHGꢀGDWDꢀHOHPHQWꢀLVꢀYDOLGꢄꢀZKHUHꢀ[ꢀHTXDOVꢀWKHꢀ&$6
ODWHQF\ꢀPLQXVꢀRQHꢃ
7KLVꢀLVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢏꢄꢀ³&RQVHFXWLYHꢀ5HDGꢀ%XUVWVꢄ´ꢀRQꢀSDJH ꢇꢏꢏꢄꢀIRUꢀ&$6
ODWHQFLHVꢀRIꢀWZRꢀDQGꢀWKUHHꢕꢀGDWDꢀHOHPHQWꢀQꢂꢓꢂꢊꢀLVꢀHLWKHUꢀWKHꢀODVWꢀRIꢀDꢀEXUVWꢀRIꢀIRXU
RUꢀWKHꢀODVWꢀGHVLUHGꢀRIꢀDꢀORQJHUꢀEXUVWꢃꢀ7KHꢀꢇꢏꢋ0Eꢀ6'5$0ꢀXVHVꢀDꢀSLSHOLQHGꢀDUFKLꢅ
WHFWXUHꢀDQGꢀWKHUHIRUHꢀGRHVꢀQRWꢀUHTXLUHꢀWKHꢀꢏQꢀUXOHꢀDVVRFLDWHGꢀZLWKꢀDꢀSUHIHWFK
DUFKLWHFWXUHꢃꢀ$ꢀ5HDGꢀFRPPDQGꢀFDQꢀEHꢀLQLWLDWHGꢀRQꢀDQ\ꢀFORFNꢀF\FOHꢀIROORZLQJꢀDꢀSUHꢅ
YLRXVꢀ5HDGꢀFRPPDQGꢃꢀ)XOOꢅVSHHGꢀUDQGRPꢀUHDGꢀDFFHVVHVꢀFDQꢀEHꢀSHUIRUPHGꢀWRꢀWKH
VDPHꢀEDQNꢄꢀDVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢑꢄꢀ³5DQGRPꢀ5HDGꢀ$FFHVVHVꢄ´ꢀRQꢀSDJH ꢇꢏꢏꢄꢀRU
HDFKꢀVXEVHTXHQWꢀ5HDGꢀPD\ꢀEHꢀSHUIRUPHGꢀWRꢀDꢀGLIIHUHQWꢀEDQNꢃ
'DWDꢀIURPꢀDQ\ꢀ5HDGꢀEXUVWꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀVXEVHTXHQWꢀ:ULWHꢀFRPPDQGꢄ
DQGꢀGDWDꢀIURPꢀDꢀIL[HGꢀOHQJWKꢀ5HDGꢀEXUVWꢀPD\ꢀEHꢀLPPHGLDWHO\ꢀIROORZHGꢀE\ꢀGDWD
IURPꢀDꢀ:ULWHꢀFRPPDQGꢀꢁVXEMHFWꢀWRꢀEXVꢀWXUQDURXQGꢀOLPLWDWLRQVꢂꢃꢀ7KHꢀ:ULWHꢀEXUVW
PD\ꢀEHꢀLQLWLDWHGꢀRQꢀWKHꢀFORFNꢀHGJHꢀLPPHGLDWHO\ꢀIROORZLQJꢀWKHꢀODVWꢀꢁRUꢀODVWꢀGHVLUHGꢂ
GDWDꢀHOHPHQWꢀIURPꢀWKHꢀ5HDGꢀEXUVWꢄꢀSURYLGHGꢀWKDWꢀ,ꢒ2ꢀFRQWHQWLRQꢀFDQꢀEHꢀDYRLGHGꢃ
,QꢀDꢀJLYHQꢀV\VWHPꢀGHVLJQꢄꢀWKHUHꢀPD\ꢀEHꢀDꢀSRVVLELOLW\ꢀWKDWꢀWKHꢀGHYLFHꢀGULYLQJꢀWKH
LQSXWꢀGDWDꢀZLOOꢀJRꢀ/RZꢅ=ꢀEHIRUHꢀWKHꢀ6'5$0ꢀ'4ꢀJRꢀ+LJKꢅ=ꢃꢀ,QꢀWKLVꢀFDVHꢄꢀDWꢀOHDVW
DꢀVLQJOHꢀF\FOHꢀGHOD\ꢀVKRXOGꢀRFFXUꢀEHWZHHQꢀWKHꢀODVWꢀUHDGꢀGDWDꢀDQGꢀWKHꢀ:ULWH
FRPPDQGꢃ
120
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
CLK
CKE
CS#
HIGH
RAS#
CAS#
WE#
COLUMN
ADDRESS
A0-A8
A9, A11
A10
ENABLE AUTO PRECHARGE
DISABLE AUTO PRECHARGE
BANK
ADDRESS
BA0,1
DON’T CARE
Figure 47.1 Read Command
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
121
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
CLK
READ
NOP
NOP
NOP
READ
NOP
NOP
COMMAND
X = 1 cycle
BANK,
COLn
BANK,
COLb
ADDRESS
DQ
D
OUT
D
n + 1
OUT
DOUT
D
n + 3
OUT
DOUT
b
n
n + 2
CAS Latency = 2
T1
T0
T2
T3
T4
T5
T6
T7
CLK
READ
NOP
NOP
NOP
READ
NOP
NOP
NOP
COMMAND
X = 2 cycles
BANK,
COLn
BANK,
COLb
ADDRESS
DQ
D
OUT
DOUT
D
n + 2
OUT
D
n + 3
OUT
D
OUT
n
n + 1
b
CAS Latency = 3
TRANSITIONING DATA
DON’T CARE
Figure 47.2. Consecutive Read Bursts
Ir)ꢂ(DFKꢂ5HDGꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂDQ\ꢂEDQNꢁꢂ'40ꢂLVꢂ/RZꢁ
T0
T1
T2
T3
T4
T5
CLK
COMMAND
ADDRESS
DQ
READ
READ
READ
READ
NOP
NOP
BANK,
COLn
BANK,
COLa
BANK,
COLx
BANK,
COLm
D
OUT
D
a
OUT
D
OUT
DOUT
n
x
m
CAS Latency = 2
T0
T1
T2
T3
T4
T5
T6
CLK
READ
READ
READ
READ
NOP
NOP
NOP
COMMAND
ADDRESS
DQ
BANK,
COLn
BANK,
COLa
BANK,
COLx
BANK,
COLm
D
n
OUT
D
OUT
D
OUT
DOUT
a
x
m
CAS Latency = 3
TRANSITIONING DATA
DON’T CARE
Figure 47.3. Random Read Accesses
Ir)ꢂ(DFKꢂ5HDGꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂDQ\ꢂEDQNꢁꢂ'40ꢂLVꢂORZꢁ
7KHꢀ'40ꢀLQSXWꢀLVꢀXVHGꢀWRꢀDYRLGꢀ,ꢒ2ꢀFRQWHQWLRQꢄꢀDVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢍꢀDQG
)LJXUH ꢍꢈꢃꢊꢃꢀ7KHꢀ'40ꢀVLJQDOꢀPXVWꢀEHꢀDVVHUWHGꢀꢁ+LJKꢂꢀDWꢀOHDVWꢀWZRꢀFORFNVꢀSULRUꢀWR
WKHꢀ:ULWHꢀFRPPDQGꢀꢁ'40ꢀODWHQF\ꢀLVꢀWZRꢀFORFNVꢀIRUꢀRXWSXWꢀEXIIHUVꢂꢀWRꢀVXSSUHVV
122
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
GDWDꢅRXWꢀIURPꢀWKHꢀ5HDGꢃꢀ2QFHꢀWKHꢀ:ULWHꢀFRPPDQGꢀLVꢀUHJLVWHUHGꢄꢀWKHꢀ'4ꢀZLOOꢀJR
+LJKꢅ=ꢀꢁRUꢀUHPDLQꢀ+LJKꢅ=ꢂꢄꢀUHJDUGOHVVꢀRIꢀWKHꢀVWDWHꢀRIꢀWKHꢀ'40ꢀVLJQDOꢄꢀSURYLGHG
WKHꢀ'40ꢀZDVꢀDFWLYHꢀRQꢀWKHꢀFORFNꢀMXVWꢀSULRUꢀWRꢀWKHꢀ:ULWHꢀFRPPDQGꢀWKDWꢀWUXQFDWHG
WKHꢀ5HDGꢀFRPPDQGꢃꢀ,IꢀQRWꢄꢀWKHꢀVHFRQGꢀ:ULWHꢀZLOOꢀEHꢀDQꢀLQYDOLGꢀ:ULWHꢃꢀ)RUꢀH[DPSOHꢄ
LIꢀ'40ꢀZDVꢀ/RZꢀGXULQJꢀ7ꢍꢀLQꢀ)LJXUH ꢍꢈꢃꢎꢄꢀWKHQꢀWKHꢀ:ULWHVꢀDWꢀ7ꢊꢀDQGꢀ7ꢈꢀZRXOGꢀEH
YDOLGꢄꢀZKLOHꢀWKHꢀ:ULWHꢀDWꢀ7ꢎꢀZRXOGꢀEHꢀLQYDOLGꢃ
7KHꢀ'40ꢀVLJQDOꢀPXVWꢀEHꢀGHꢅDVVHUWHGꢀSULRUꢀWRꢀWKHꢀ:ULWHꢀFRPPDQGꢀꢁ'40ꢀODWHQF\
LVꢀ]HURꢀFORFNVꢀIRUꢀLQSXWꢀEXIIHUVꢂꢀWRꢀHQVXUHꢀWKDWꢀWKHꢀZULWWHQꢀGDWDꢀLVꢀQRWꢀPDVNHGꢃ
)LJXUH ꢍꢈꢃꢊꢀVKRZVꢀWKHꢀFDVHꢀZKHUHꢀWKHꢀFORFNꢀIUHTXHQF\ꢀDOORZVꢀIRUꢀEXVꢀFRQWHQWLRQ
WRꢀEHꢀDYRLGHGꢀZLWKRXWꢀDGGLQJꢀDꢀ123ꢀF\FOHꢄꢀDQGꢀVKRZVꢀWKHꢀFDVHꢀZKHUHꢀWKHꢀDGGLꢅ
WLRQDOꢀ123ꢀLVꢀQHHGHGꢃꢀ$ꢀIL[HGꢅOHQJWKꢀ5HDGꢀEXUVWꢀPD\ꢀEHꢀIROORZHGꢀE\ꢄꢀRUꢀWUXQFDWHG
ZLWKꢄꢀDꢀ3UHFKDUJHꢀFRPPDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢀꢁSURYLGHGꢀWKDWꢀDXWRꢀSUHFKDUJHꢀZDV
QRWꢀDFWLYDWHGꢂꢄꢀDQGꢀDꢀIXOOꢅSDJHꢀEXUVWꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀ3UHFKDUJHꢀFRPꢅ
PDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢃꢀ7KHꢀ3UHFKDUJHꢀFRPPDQGꢀVKRXOGꢀEHꢀLVVXHGꢀ[ꢀF\FOHV
EHIRUHꢀWKHꢀFORFNꢀHGJHꢀDWꢀZKLFKꢀWKHꢀODVWꢀGHVLUHGꢀGDWDꢀHOHPHQWꢀLVꢀYDOLGꢄꢀZKHUHꢀ[
HTXDOVꢀWKHꢀ&$6ꢀODWHQF\ꢀPLQXVꢀRQHꢃꢀ7KLVꢀLVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢎꢀIRUꢀHDFKꢀSRVVLEOH
&$6ꢀODWHQF\ꢕꢀGDWDꢀHOHPHQWꢀQꢂꢓꢂꢊꢀLVꢀHLWKHUꢀWKHꢀODVWꢀRIꢀDꢀEXUVWꢀRIꢀIRXUꢀRUꢀWKHꢀODVW
GHVLUHGꢀRIꢀDꢀORQJHUꢀEXUVWꢃꢀ)ROORZLQJꢀWKHꢀ3UHFKDUJHꢀFRPPDQGꢄꢀDꢀVXEVHTXHQWꢀFRPꢅ
PDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢀFDQQRWꢀEHꢀLVVXHGꢀXQWLOꢀW53ꢀLVꢀPHWꢃꢀ1RWHꢀWKDWꢀSDUWꢀRIꢀWKH
URZꢀSUHFKDUJHꢀWLPHꢀLVꢀKLGGHQꢀGXULQJꢀWKHꢀDFFHVVꢀRIꢀWKHꢀODVWꢀGDWDꢀHOHPHQWꢁVꢂꢃ
,QꢀWKHꢀFDVHꢀRIꢀDꢀIL[HGꢅOHQJWKꢀEXUVWꢀEHLQJꢀH[HFXWHGꢀWRꢀFRPSOHWLRQꢄꢀDꢀ3UHFKDUJH
FRPPDQGꢀLVVXHGꢀDWꢀWKHꢀRSWLPXPꢀWLPHꢀꢁDVꢀGHVFULEHGꢀDERYHꢂꢀSURYLGHVꢀWKHꢀVDPH
RSHUDWLRQꢀWKDWꢀZRXOGꢀUHVXOWꢀIURPꢀWKHꢀVDPHꢀIL[HGꢅOHQJWKꢀEXUVWꢀZLWKꢀDXWRꢀSUHꢅ
FKDUJHꢃꢀ7KHꢀGLVDGYDQWDJHꢀRIꢀWKHꢀ3UHFKDUJHꢀFRPPDQGꢀLVꢀWKDWꢀLWꢀUHTXLUHVꢀWKDWꢀWKH
FRPPDQGꢀDQGꢀDGGUHVVꢀEXVHVꢀEHꢀDYDLODEOHꢀDWꢀWKHꢀDSSURSULDWHꢀWLPHꢀWRꢀLVVXHꢀWKH
FRPPDQGꢕꢀWKHꢀDGYDQWDJHꢀRIꢀWKHꢀ3UHFKDUJHꢀFRPPDQGꢀLVꢀWKDWꢀLWꢀFDQꢀEHꢀXVHGꢀWR
WUXQFDWHꢀIL[HGꢅOHQJWKꢀRUꢀIXOOꢅSDJHꢀEXUVWVꢃ
T0
T1
T2
T3
T4
CLK
DQM
READ
NOP
NOP
NOP
WRITE
COMMAND
ADDRESS
BANK,
COLn
BANK,
COLb
t
CK
t
HZ
DOUT
n
DIN b
DQ
t
DS
Figure 47.4. Read to Write
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
123
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
CLK
DQM
READ
NOP
NOP
NOP
NOP
WRITE
COMMAND
ADDRESS
BANK,
COLb
BANK,
COLn
t
HZ
DOUT
n
DIN
b
DQ
t
DS
DON’T CARE
Figure 47.5. Read to Write with Extra Clock Cycle
Ir)ꢂ$ꢂ&$6ꢂODWHQF\ꢂRIꢂWKUHHꢂLVꢂXVHGꢂIRUꢂLOOXVWUDWLRQꢁꢂ7KHꢂ5HDGꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂ
DQ\ꢂEDQNꢄꢂDQGꢂWKHꢂ:ULWHꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂDQ\ꢂEDQNꢁ
T0
T1
T2
T3
T4
T5
T6
T7
CLK
t
RP
READ
NOP
NOP
NOP
PRECHARGE
NOP
NOP
ACTIVE
COMMAND
ADDRESS
DQ
X = 1 cycle
BANK
(a or all)
BANKa,
COLn
BANKa,
ROW
D
OUT
D
n
OUT
D
n
OUT
DOUT
n
n
+
1
+
2
+
3
CAS Latency = 2
T0
T1
T2
T3
T4
T5
T6
T7
CLK
t
RP
READ
NOP
NOP
NOP
PRECHARGE
NOP
NOP
ACTIVE
COMMAND
ADDRESS
DQ
X = 2 cycles
BANK
(a or all)
BANKa,
COLn
BANKa,
ROW
D
OUT
D
n
OUT
D
n
OUT
DOUT
n + 3
n
+
1
+
2
CAS Latency = 3
TRANSITIONING DATA
DON’T CARE
Figure 47.6. Read to Precharge
Ir)ꢂ'40ꢂLVꢂORZꢁ
124
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
CLK
BURST
TERMINATE
READ
NOP
NOP
NOP
NOP
NOP
COMMAND
ADDRESS
DQ
X = 1 cycle
BANK,
COLn
D
OUT
D
n +
OUT
DOUT
DOUT
n + 3
n
1
n +
2
CAS Latency = 2
T1
T0
T2
T3
T4
T5
T6
T7
CLK
COMMAND
ADDRESS
DQ
BURST
TERMINATE
READ
NOP
NOP
NOP
NOP
NOP
NOP
X = 2 cycles
BANK,
COLn
D
OUT
D
OUT
D
n +
OUT
DOUT
n + 3
n
n
+
1
2
CAS Latency = 3
TRANSITIONING DATA
DON’T CARE
Figure 47.7. Terminating a Read Burst
Ir)ꢂ'40ꢂLVꢂORZꢁ
)XOOꢅSDJHꢀ5HDGꢀEXUVWVꢀFDQꢀEHꢀWUXQFDWHGꢀZLWKꢀWKHꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQGꢄꢀDQG
IL[HGꢅOHQJWKꢀ5HDGꢀEXUVWVꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQGꢄ
SURYLGHGꢀWKDWꢀDXWRꢀSUHFKDUJHꢀZDVꢀQRWꢀDFWLYDWHGꢃꢀ7KHꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQG
VKRXOGꢀEHꢀLVVXHGꢀ[ꢀF\FOHVꢀEHIRUHꢀWKHꢀFORFNꢀHGJHꢀDWꢀZKLFKꢀWKHꢀODVWꢀGHVLUHGꢀGDWDꢀHOꢅ
HPHQWꢀLVꢀYDOLGꢄꢀZKHUHꢀ[ꢀHTXDOVꢀWKHꢀ&$6ꢀODWHQF\ꢀPLQXVꢀRQHꢃꢀ7KLVꢀLVꢀVKRZQꢀLQ
)LJXUH ꢍꢈꢃꢈꢀIRUꢀHDFKꢀSRVVLEOHꢀ&$6ꢀODWHQF\ꢕꢀGDWDꢀHOHPHQWꢀQꢂꢓꢂꢊꢀLVꢀWKHꢀODVWꢀGHVLUHG
GDWDꢀHOHPHQWꢀRIꢀDꢀORQJHUꢀEXUVWꢃ
47.3 Writes
:ULWHꢀEXUVWVꢀDUHꢀLQLWLDWHGꢀZLWKꢀDꢀ:ULWHꢀFRPPDQGꢄꢀDVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢇꢃ
7KHꢀVWDUWLQJꢀFROXPQꢀDQGꢀEDQNꢀDGGUHVVHVꢀDUHꢀSURYLGHGꢀZLWKꢀWKHꢀ:ULWHꢀFRPPDQGꢄ
DQGꢀDXWRꢀSUHFKDUJHꢀLVꢀHLWKHUꢀHQDEOHGꢀRUꢀGLVDEOHGꢀIRUꢀWKDWꢀDFFHVVꢃꢀ,IꢀDXWRꢀSUHꢅ
FKDUJHꢀLVꢀHQDEOHGꢄꢀWKHꢀURZꢀEHLQJꢀDFFHVVHGꢀLVꢀSUHFKDUJHGꢀDWꢀWKHꢀFRPSOHWLRQꢀRIꢀWKH
EXUVWꢃꢀ)RUꢀWKHꢀJHQHULFꢀ:ULWHꢀFRPPDQGVꢀXVHGꢀLQꢀWKHꢀIROORZLQJꢀLOOXVWUDWLRQVꢄꢀDXWR
SUHFKDUJHꢀLVꢀGLVDEOHGꢃ
'XULQJꢀ:ULWHꢀEXUVWVꢄꢀWKHꢀILUVWꢀYDOLGꢀGDWDꢅLQꢀHOHPHQWꢀZLOOꢀEHꢀUHJLVWHUHGꢀFRLQFLGHQW
ZLWKꢀWKHꢀ:ULWHꢀFRPPDQGꢃꢀ6XEVHTXHQWꢀGDWDꢀHOHPHQWVꢀZLOOꢀEHꢀUHJLVWHUHGꢀRQꢀHDFK
VXFFHVVLYHꢀSRVLWLYHꢀFORFNꢀHGJHꢃꢀ8SRQꢀFRPSOHWLRQꢀRIꢀDꢀIL[HGꢅOHQJWKꢀEXUVWꢄꢀDVVXPꢅ
LQJꢀQRꢀRWKHUꢀFRPPDQGVꢀKDYHꢀEHHQꢀLQLWLDWHGꢄꢀWKHꢀ'4ꢀZLOOꢀUHPDLQꢀ+LJKꢅ=ꢀDQGꢀDQ\
DGGLWLRQDOꢀLQSXWꢀGDWDꢀZLOOꢀEHꢀLJQRUHGꢀꢁVHHꢀ)LJXUH ꢍꢈꢃꢑꢂꢃꢀ$ꢀIXOOꢅSDJHꢀEXUVWꢀZLOOꢀFRQꢅ
WLQXHꢀXQWLOꢀWHUPLQDWHGꢃꢀꢁ$WꢀWKHꢀHQGꢀRIꢀWKHꢀSDJHꢄꢀLWꢀZLOOꢀZUDSꢀWRꢀFROXPQꢀꢌꢀDQG
FRQWLQXHꢃꢂ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
125
P r e l i m i n a r y
CLK
CKE HIGH
CS#
RAS#
CAS#
WE#
COLUMN
ADDRESS
A0-A8
A9, A11
ENABLE AUTO PRECHARGE
DISABLE AUTO PRECHARGE
A10
BANK
ADDRESS
BA0,1
VALID ADDRESS
DON’T CARE
Figure 47.1 Write Command
'DWDꢀIRUꢀDQ\ꢀ:ULWHꢀEXUVWꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀVXEVHTXHQWꢀ:ULWHꢀFRPPDQGꢄ
DQGꢀGDWDꢀIRUꢀDꢀIL[HGꢀOHQJWKꢀ:ULWHꢀEXUVWꢀPD\ꢀEHꢀLPPHGLDWHO\ꢀIROORZHGꢀE\ꢀGDWDꢀIRU
Dꢀ:ULWHꢀFRPPDQGꢃꢀ7KHꢀQHZꢀ:ULWHꢀFRPPDQGꢀFDQꢀEHꢀLVVXHGꢀRQꢀDQ\ꢀFORFNꢀIROORZLQJ
WKHꢀSUHYLRXVꢀ:ULWHꢀFRPPDQGꢄꢀDQGꢀWKHꢀGDWDꢀSURYLGHGꢀFRLQFLGHQWꢀZLWKꢀWKHꢀQHZ
FRPPDQGꢀDSSOLHVꢀWRꢀWKHꢀQHZꢀFRPPDQGꢃꢀ$QꢀH[DPSOHꢀLVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢍꢃ
'DWDꢀQꢂꢓꢂꢀꢀLVꢀHLWKHUꢀWKHꢀODVWꢀRIꢀDꢀEXUVWꢀRIꢀWZRꢀRUꢀWKHꢀODVWꢀGHVLUHGꢀRIꢀDꢀORQJHUꢀEXUVWꢃ
7KHꢀꢇꢏꢋ0Eꢀ6'5$0ꢀXVHVꢀDꢀSLSHOLQHGꢀDUFKLWHFWXUHꢀDQGꢀWKHUHIRUHꢀGRHVꢀQRWꢀUHTXLUH
WKHꢀꢆQꢀUXOHꢀDVVRFLDWHGꢀZLWKꢀDꢀSUHIHWFKꢀDUFKLWHFWXUHꢃꢀ$ꢀ:ULWHꢀFRPPDQGꢀFDQꢀEHꢀLQLꢅ
WLDWHGꢀRQꢀDQ\ꢀFORFNꢀF\FOHꢀIROORZLQJꢀDꢀSUHYLRXVꢀ:ULWHꢀFRPPDQGꢃꢀ)XOOꢅVSHHGꢀUDQGRP
ZULWHꢀDFFHVVHVꢀZLWKLQꢀDꢀSDJHꢀFDQꢀEHꢀSHUIRUPHGꢀWRꢀWKHꢀVDPHꢀEDQNꢄꢀDVꢀVKRZQꢀLQ
)LJXUH ꢍꢈꢃꢍꢄꢀRUꢀHDFKꢀVXEVHTXHQWꢀ:ULWHꢀPD\ꢀEHꢀSHUIRUPHGꢀWRꢀDꢀGLIIHUHQWꢀEDQNꢃ
126
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
CLK
WRITE
NOP
NOP
NOP
COMMAND
ADDRESS
DQ
BANK,
COLn
DIN
n
DIN
n + 1
DON’T CARE
Figure 47.2. Write Burst
Ir)ꢂ%XUVWꢂOHQJWKꢂ ꢂꢆꢁꢂ'40ꢂLVꢂORZꢁ
T0
T1
T2
CLK
WRITE
NOP
WRITE
COMMAND
ADDRESS
DQ
BANK,
COLn
BANK,
COLb
DIN
n
DIN
n + 1
DIN
b
DON’T CARE
Figure 47.3. Write to Write
Ir)ꢂ'40ꢂLVꢂORZꢁꢂ(DFKꢂ:ULWHꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂDQ\ꢂEDQNꢁ
'DWDꢀIRUꢀDQ\ꢀ:ULWHꢀEXUVWꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀVXEVHTXHQWꢀ5HDGꢀFRPPDQGꢄ
DQGꢀGDWDꢀIRUꢀDꢀIL[HGꢀOHQJWKꢀ:ULWHꢀEXUVWꢀPD\ꢀEHꢀLPPHGLDWHO\ꢀIROORZHGꢀE\ꢀDꢀ5HDG
FRPPDQGꢃꢀ2QFHꢀWKHꢀ5HDGꢀFRPPDQGꢀLVꢀUHJLVWHUHGꢄꢀWKHꢀGDWDꢀLQSXWVꢀZLOOꢀEHꢀLJQRUHGꢄ
DQGꢀZULWHVꢀZLOOꢀQRWꢀEHꢀH[HFXWHGꢃꢀ$QꢀH[DPSOHꢀLVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢊꢃꢀ'DWDꢀQꢂꢓꢂꢀ
LVꢀHLWKHUꢀWKHꢀODVWꢀRIꢀDꢀEXUVWꢀRIꢀWZRꢀRUꢀWKHꢀODVWꢀGHVLUHGꢀRIꢀDꢀORQJHUꢀEXUVWꢃ
'DWDꢀIRUꢀDꢀIL[HGꢅOHQJWKꢀ:ULWHꢀEXUVWꢀPD\ꢀEHꢀIROORZHGꢀE\ꢄꢀRUꢀWUXQFDWHGꢀZLWKꢄꢀDꢀ3UHꢅ
FKDUJHꢀFRPPDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢀꢁSURYLGHGꢀWKDWꢀDXWRꢀSUHFKDUJHꢀZDVꢀQRW
DFWLYDWHGꢂꢄꢀDQGꢀDꢀIXOOꢅSDJHꢀ:ULWHꢀEXUVWꢀPD\ꢀEHꢀWUXQFDWHGꢀZLWKꢀDꢀ3UHFKDUJHꢀFRPꢅ
PDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢃꢀ7KHꢀ3UHFKDUJHꢀFRPPDQGꢀVKRXOGꢀEHꢀLVVXHGꢀW:5ꢀDIWHUꢀWKH
FORFNꢀHGJHꢀDWꢀZKLFKꢀWKHꢀODVWꢀGHVLUHGꢀLQSXWꢀGDWDꢀHOHPHQWꢀLVꢀUHJLVWHUHGꢃꢀ7KHꢀDXWR
SUHFKDUJHꢀPRGHꢀUHTXLUHVꢀDꢀW:5ꢀRIꢀDWꢀOHDVWꢀRQHꢀFORFNꢀSOXVꢀWLPHꢄꢀUHJDUGOHVVꢀRI
IUHTXHQF\ꢃ
,QꢀDGGLWLRQꢄꢀZKHQꢀWUXQFDWLQJꢀDꢀ:ULWHꢀEXUVWꢄꢀWKHꢀ'40ꢀVLJQDOꢀPXVWꢀEHꢀXVHGꢀWRꢀPDVN
LQSXWꢀGDWDꢀIRUꢀWKHꢀFORFNꢀHGJHꢀSULRUꢀWRꢄꢀDQGꢀWKHꢀFORFNꢀHGJHꢀFRLQFLGHQWꢀZLWKꢄꢀWKHꢀ3UHꢅ
FKDUJHꢀFRPPDQGꢃꢀ$QꢀH[DPSOHꢀLVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢎꢃꢀ'DWDꢀQꢂꢓꢂꢀꢀLVꢀHLWKHUꢀWKH
ODVWꢀRIꢀDꢀEXUVWꢀRIꢀWZRꢀRUꢀWKHꢀODVWꢀGHVLUHGꢀRIꢀDꢀORQJHUꢀEXUVWꢃꢀ)ROORZLQJꢀWKHꢀ3UHFKDUJH
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
127
P r e l i m i n a r y
FRPPDQGꢄꢀDꢀVXEVHTXHQWꢀFRPPDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢀFDQQRWꢀEHꢀLVVXHGꢀXQWLOꢀW53
LVꢀPHWꢃ
T0
T1
T2
T3
CLK
WRITE
WRITE
WRITE
WRITE
COMMAND
ADDRESS
DQ
BANK,
COLn
BANK,
COLa
BANK,
COLx
BANK,
COLm
D
IN
D
IN
D
IN
DIN
m
n
a
x
DON’T CARE
Figure 47.4. Random Write Cycles
Ir)ꢂ(DFKꢂ:ULWHꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂDQ\ꢂEDQNꢁꢂ'40ꢂLVꢂORZꢁ
T0
T1
T2
T3
T4
T5
CLK
WRITE
NOP
READ
NOP
NOP
NOP
COMMAND
ADDRESS
DQ
BANK,
COLn
BANK,
COLb
DIN
n
DIN
n + 1
D
OUT
DOUT
b + 1
b
DON’T CARE
Figure 47.5. Write to Read
Ir)ꢂ7KHꢂ:ULWHꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂDQ\ꢂEDQNꢄꢂDQGꢂWKHꢂ5HDGꢂFRPPDQGꢂPD\ꢂEHꢂWRꢂ
DQ\ꢂEDQNꢁꢂ'40ꢂLVꢂORZꢁꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢂIRUꢂLOOXVWUDWLRQꢁ
,QꢀWKHꢀFDVHꢀRIꢀDꢀIL[HGꢅOHQJWKꢀEXUVWꢀEHLQJꢀH[HFXWHGꢀWRꢀFRPSOHWLRQꢄꢀDꢀ3UHFKDUJH
FRPPDQGꢀLVVXHGꢀDWꢀWKHꢀRSWLPXPꢀWLPHꢀꢁDVꢀGHVFULEHGꢀDERYHꢂꢀSURYLGHVꢀWKHꢀVDPH
RSHUDWLRQꢀWKDWꢀZRXOGꢀUHVXOWꢀIURPꢀWKHꢀVDPHꢀIL[HGꢅOHQJWKꢀEXUVWꢀZLWKꢀDXWRꢀSUHꢅ
FKDUJHꢃꢀ7KHꢀGLVDGYDQWDJHꢀRIꢀWKHꢀ3UHFKDUJHꢀFRPPDQGꢀLVꢀWKDWꢀLWꢀUHTXLUHVꢀWKDWꢀWKH
FRPPDQGꢀDQGꢀDGGUHVVꢀEXVHVꢀEHꢀDYDLODEOHꢀDWꢀWKHꢀDSSURSULDWHꢀWLPHꢀWRꢀLVVXHꢀWKH
FRPPDQGꢕꢀWKHꢀDGYDQWDJHꢀRIꢀWKHꢀ3UHFKDUJHꢀFRPPDQGꢀLVꢀWKDWꢀLWꢀFDQꢀEHꢀXVHGꢀWR
WUXQFDWHꢀIL[HGꢅOHQJWKꢀRUꢀIXOOꢅSDJHꢀEXUVWVꢃ
)L[HGꢅOHQJWKꢀRUꢀIXOOꢅSDJHꢀ:ULWHꢀEXUVWVꢀFDQꢀEHꢀWUXQFDWHGꢀZLWKꢀWKHꢀ%XUVWꢀ7HUPLQDWH
FRPPDQGꢃꢀ:KHQꢀWUXQFDWLQJꢀDꢀ:ULWHꢀEXUVWꢄꢀWKHꢀLQSXWꢀGDWDꢀDSSOLHGꢀFRLQFLGHQWꢀZLWK
WKHꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQGꢀZLOOꢀEHꢀLJQRUHGꢃꢀ7KHꢀODVWꢀGDWDꢀZULWWHQꢀꢁSURYLGHG
WKDWꢀ'40ꢀLVꢀ/RZꢀDWꢀWKDWꢀWLPHꢂꢀZLOOꢀEHꢀWKHꢀLQSXWꢀGDWDꢀDSSOLHGꢀRQHꢀFORFNꢀSUHYLRXVꢀWR
WKHꢀ%XUVWꢀ7HUPLQDWHꢀFRPPDQGꢃꢀ7KLVꢀLVꢀVKRZQꢀLQꢀ)LJXUH ꢍꢈꢃꢏꢄꢀZKHUHꢀGDWDꢀQꢀLVꢀWKH
ODVWꢀGHVLUHGꢀGDWDꢀHOHPHQWꢀRIꢀDꢀORQJHUꢀEXUVWꢃ
128
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
CLK
t
t
WR@ CK 15ns
DQM
t
RP
NOP
NOP
NOP
WRITE
NOP
PRECHARGE
ACTIVE
COMMAND
ADDRESS
BANK
(a or all)
BANK a,
COL n
BANK a,
ROW
t
WR
D
n
IN
DIN
n + 1
DQ
t
t
WR@ CK < 15ns
DQM
t
RP
NOP
NOP
WRITE
NOP
NOP
PRECHARGE
ACTIVE
COMMAND
ADDRESS
BANK
(a or all)
BANK a,
COL n
BANK a,
ROW
t
WR
D
n
IN
DIN
n + 1
DQ
DON’T CARE
Figure 47.6. Write to Precharge
Ir)ꢂ'40ꢂFRXOGꢂUHPDLQꢂORZꢂLQꢂWKLVꢂH[DPSOHꢂLIꢂWKHꢂ:ULWHꢂEXUVWꢂLVꢂDꢂIL[HGꢂOHQJWKꢂRIꢂWZRꢁ
47.4 Precharge
7KHꢀ3UHFKDUJHꢀFRPPDQGꢀꢁVHHꢀ)LJXUH ꢍꢈꢃꢑꢂꢀLVꢀXVHGꢀWRꢀGHDFWLYDWHꢀWKHꢀRSHQꢀURZꢀLQ
DꢀSDUWLFXODUꢀEDQNꢀRUꢀWKHꢀRSHQꢀURZꢀLQꢀDOOꢀEDQNVꢃꢀ7KHꢀEDQNꢁVꢂꢀZLOOꢀEHꢀDYDLODEOHꢀIRUꢀD
VXEVHTXHQWꢀURZꢀDFFHVVꢀVRPHꢀVSHFLILHGꢀWLPHꢀꢁW53ꢂꢀDIWHUꢀWKHꢀSUHFKDUJHꢀFRPPDQG
LVꢀLVVXHGꢃꢀ,QSXWꢀ$ꢇꢌꢀGHWHUPLQHVꢀZKHWKHUꢀRQHꢀRUꢀDOOꢀEDQNVꢀDUHꢀWRꢀEHꢀSUHFKDUJHGꢄ
DQGꢀLQꢀWKHꢀFDVHꢀZKHUHꢀRQO\ꢀRQHꢀEDQNꢀLVꢀWRꢀEHꢀSUHFKDUJHGꢄꢀLQSXWVꢀ%$ꢌꢄꢀ%$ꢇꢀVHOHFW
WKHꢀEDQNꢃꢀ:KHQꢀDOOꢀEDQNVꢀDUHꢀWRꢀEHꢀSUHFKDUJHGꢄꢀLQSXWVꢀ%$ꢌꢄꢀ%$ꢇꢀDUHꢀWUHDWHGꢀDV
³'RQ¶Wꢀ&DUHꢃ´ꢀ2QFHꢀDꢀEDQNꢀKDVꢀEHHQꢀSUHFKDUJHGꢄꢀLWꢀLVꢀLQꢀWKHꢀLGOHꢀVWDWHꢀDQGꢀPXVW
EHꢀDFWLYDWHGꢀSULRUꢀWRꢀDQ\ꢀ5HDGꢀRUꢀ:ULWHꢀFRPPDQGVꢀEHLQJꢀLVVXHGꢀWRꢀWKDWꢀEDQNꢃ
47.5 Power-down
3RZHUꢅGRZQꢀRFFXUVꢀLIꢀ&.(ꢀLVꢀUHJLVWHUHGꢀORZꢀFRLQFLGHQWꢀZLWKꢀDꢀ123ꢀRUꢀ&RPPDQG
,QKLELWꢀZKHQꢀQRꢀDFFHVVHVꢀDUHꢀLQꢀSURJUHVVꢃꢀ,IꢀSRZHUꢅGRZQꢀRFFXUVꢀZKHQꢀDOOꢀEDQNV
DUHꢀLGOHꢄꢀWKLVꢀPRGHꢀLVꢀUHIHUUHGꢀWRꢀDVꢀSUHFKDUJHꢀSRZHUꢅGRZQꢕꢀLIꢀSRZHUꢅGRZQꢀRFFXUV
ZKHQꢀWKHUHꢀLVꢀDꢀURZꢀDFWLYHꢀLQꢀDQ\ꢀEDQNꢄꢀWKLVꢀPRGHꢀLVꢀUHIHUUHGꢀWRꢀDVꢀDFWLYHꢀSRZHUꢅ
GRZQꢃꢀ(QWHULQJꢀSRZHUꢅGRZQꢀGHDFWLYDWHVꢀWKHꢀLQSXWꢀDQGꢀRXWSXWꢀEXIIHUVꢄꢀH[FOXGLQJ
&.(ꢄꢀIRUꢀPD[LPXPꢀSRZHUꢀVDYLQJVꢀZKLOHꢀLQꢀVWDQGE\ꢃꢀ7KHꢀGHYLFHꢀPD\ꢀQRWꢀUHPDLQ
LQꢀWKHꢀSRZHUꢅGRZQꢀVWDWHꢀORQJHUꢀWKDQꢀWKHꢀUHIUHVKꢀSHULRGꢀꢁꢎꢍPVꢂꢀVLQFHꢀQRꢀUHIUHVK
RSHUDWLRQVꢀDUHꢀSHUIRUPHGꢀLQꢀWKLVꢀPRGHꢃꢀ7KHꢀSRZHUꢅGRZQꢀVWDWHꢀLVꢀH[LWHGꢀE\ꢀUHJLVꢅ
WHULQJꢀDꢀ123ꢀRUꢀ&RPPDQGꢀ,QKLELWꢀDQGꢀ&.(ꢀ+LJKꢀDWꢀWKHꢀGHVLUHGꢀFORFNꢀHGJH
ꢁPHHWLQJꢀW&.6ꢂꢃꢀ6HHꢀ)LJXUH ꢍꢈꢃꢇꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
129
P r e l i m i n a r y
((
))
((
))
CLK
> t
t
CKS
CKS
CKE
((
))
((
))
COMMAND
NOP
NOP
ACTIVE
((
))
t
t
t
All banks idle
RCD
RAS
RC
Input buffers gated off
Enter power-down mode.
Exit power-down mode.
Figure 47.1. Power-Down
T0
T1
T2
CLK
BURST
TERMINATE
NEXT
COMMAND
WRITE
COMMAND
ADDRESS
DQ
BANK,
COLn
(ADDRESS)
(DATA)
DIN
n
TRANSITIONING DATA
DON’T CARE
Figure 47.2. Terminating a Write Burst
Ir)ꢂ'40VꢂDUHꢂORZꢁ
CLK
CKE
CS#
HIGH
RAS#
CAS#
WE#
A0-A9, A11
A10
All Banks
Bank Selected
BANK
ADDRESS
BA0,1
VALID ADDRESS
DON’T CARE
Figure 47.3. Precharge Command
130
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
47.6 Deep Power-down
'HHSꢀ3RZHUꢀ'RZQꢀPRGHꢀLVꢀDꢀPD[LPXPꢀSRZHUꢀVDYLQJVꢀIHDWXUHꢀDFKLHYHGꢀE\ꢀVKXWꢅ
WLQJꢀRIIꢀWKHꢀSRZHUꢀWRꢀWKHꢀHQWLUHꢀPHPRU\ꢀDUUD\ꢀRIꢀWKHꢀGHYLFHꢃꢀ'DWDꢀRQꢀWKHꢀPHPRU\
DUUD\ꢀZLOOꢀQRWꢀEHꢀUHWDLQHGꢀRQFHꢀ'HHSꢀ3RZHUꢀ'RZQꢀPRGHꢀLVꢀH[HFXWHGꢃꢀ'HHSꢀ3RZHU
'RZQꢀPRGHꢀLVꢀHQWHUHGꢀE\ꢀKDYLQJꢀDOOꢀEDQNVꢀLGOHꢀWKHQꢀ&6ꢔꢀDQGꢀ:(ꢔꢀKHOGꢀORZꢀZLWK
5$6ꢔꢀDQGꢀ&$6ꢔꢀKLJKꢀDWꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢄꢀZKLOHꢀ&.(ꢀLVꢀORZꢃꢀ&.(ꢀPXVW
EHꢀKHOGꢀORZꢀGXULQJꢀGHHSꢀSRZHUꢅGRZQꢃ
,QꢀRUGHUꢀWRꢀH[LWꢀ'HHSꢀ3RZHUꢀ'RZQꢀPRGHꢄꢀ&.(ꢀPXVWꢀEHꢀDVVHUWHGꢀKLJKꢃꢀ$IWHUꢀH[LWꢅ
LQJꢄꢀWKHꢀIROORZLQJꢀVHTXHQFHꢀLVꢀQHHGHGꢀLQꢀRUGHUꢀWRꢀHQWHUꢀDꢀQHZꢀFRPPDQGꢃꢀ0DLQWDLQ
123ꢀLQSXWꢀFRQGLWLRQVꢀIRUꢀDꢀPLQLPXPꢀRIꢀꢇꢌꢌXVꢃꢀ,VVXHꢀ3UHFKDUJHꢀFRPPDQGVꢀIRUꢀDOO
EDQNVꢃꢀ,VVXHꢀHLJKWꢀRUꢀPRUHꢀ$8725()5(6+ꢀFRPPDQGVꢃꢀ7KHꢀYDOXHVꢀRIꢀWKHꢀPRGH
UHJLVWHUꢀDQGꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀZLOOꢀEHꢀUHWDLQHGꢀXSRQꢀH[LWLQJꢀGHHSꢀSRZHUꢅ
GRZQꢃ
47.7 Clock Suspend
7KHꢀFORFNꢀVXVSHQGꢀPRGHꢀRFFXUVꢀZKHQꢀDꢀFROXPQꢀDFFHVVꢒEXUVWꢀLVꢀLQꢀSURJUHVVꢀDQG
&.(ꢀLVꢀUHJLVWHUHGꢀORZꢃꢀ,QꢀWKHꢀFORFNꢀVXVSHQGꢀPRGHꢄꢀWKHꢀLQWHUQDOꢀFORFNꢀLVꢀGHDFWLꢅ
YDWHGꢄꢀ³IUHH]LQJ´ꢀWKHꢀV\QFKURQRXVꢀORJLFꢃ
)RUꢀHDFKꢀSRVLWLYHꢀFORFNꢀHGJHꢀRQꢀZKLFKꢀ&.(ꢀLVꢀVDPSOHGꢀ/RZꢄꢀWKHꢀQH[WꢀLQWHUQDOꢀSRVꢅ
LWLYHꢀFORFNꢀHGJHꢀLVꢀVXVSHQGHGꢃꢀ$Q\ꢀFRPPDQGꢀRUꢀGDWDꢀSUHVHQWꢀRQꢀWKHꢀLQSXWꢀSLQVꢀDW
WKHꢀWLPHꢀRIꢀDꢀVXVSHQGHGꢀLQWHUQDOꢀFORFNꢀHGJHꢀLVꢀLJQRUHGꢕꢀDQ\ꢀGDWDꢀSUHVHQWꢀRQꢀWKH
'4ꢀSLQVꢀUHPDLQVꢀGULYHQꢕꢀDQGꢀEXUVWꢀFRXQWHUVꢀDUHꢀQRWꢀLQFUHPHQWHGꢄꢀDVꢀORQJꢀDVꢀWKH
FORFNꢀLVꢀVXVSHQGHGꢃꢀꢁ6HHꢀH[DPSOHVꢀLQꢀ)LJXUH ꢍꢈꢃꢍꢄꢀDQGꢀ)LJXUH ꢍꢈꢃꢊꢃꢂ
&ORFNꢀVXVSHQGꢀPRGHꢀLVꢀH[LWHGꢀE\ꢀUHJLVWHULQJꢀ&.(ꢀ+LJKꢕꢀWKHꢀLQWHUQDOꢀFORFNꢀDQGꢀUHꢅ
ODWHGꢀRSHUDWLRQꢀZLOOꢀUHVXPHꢀRQꢀWKHꢀVXEVHTXHQWꢀSRVLWLYHꢀFORFNꢀHGJHꢃ
47.8 Burst Read/Single Write
7KHꢀEXUVWꢀUHDGꢒVLQJOHꢀZULWHꢀPRGHꢀLVꢀHQWHUHGꢀE\ꢀSURJUDPPLQJꢀWKHꢀZULWHꢀEXUVW
PRGHꢀELWꢀꢁ0ꢉꢂꢀLQꢀWKHꢀPRGHꢀUHJLVWHUꢀWRꢀDꢀORJLFꢀꢇꢃꢀ,QꢀWKLVꢀPRGHꢄꢀDOOꢀ:ULWHꢀFRPPDQGV
UHVXOWꢀLQꢀWKHꢀDFFHVVꢀRIꢀDꢀVLQJOHꢀFROXPQꢀORFDWLRQꢀꢁEXUVWꢀRIꢀRQHꢂꢄꢀUHJDUGOHVVꢀRIꢀWKH
SURJUDPPHGꢀEXUVWꢀOHQJWKꢃꢀ5HDGꢀFRPPDQGVꢀDFFHVVꢀFROXPQVꢀDFFRUGLQJꢀWRꢀWKHꢀSURꢅ
JUDPPHGꢀEXUVWꢀOHQJWKꢀDQGꢀVHTXHQFHꢄꢀMXVWꢀDVꢀLQꢀWKHꢀQRUPDOꢀPRGHꢀRIꢀRSHUDWLRQ
ꢁ0ꢉꢀ ꢀꢌꢂꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
131
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
CLK
CKE
INTERNAL
CLOCK
NOP
WRITE
NOP
NOP
COMMAND
ADDRESS
BANK,
COLn
D
n
IN
D
n + 1
IN
DIN
n + 2
DIN
DON’T CARE
Figure 47.4. Clock Suspend During Write Burst
Ir)ꢂ)RUꢂWKLVꢂH[DPSOHꢄꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢂRUꢂJUHDWHUꢄꢂDQGꢂ'0ꢂLVꢂORZꢁ
T0
T1
T2
T3
T4
T5
T6
CLK
CKE
INTERNAL
CLOCK
READ
NOP
NOP
NOP
NOP
NOP
COMMAND
ADDRESS
DQ
BANK,
COLn
D
OUT
D
OUT
D
n + 2
OUT
DOUT
n + 3
n
n + 1
DON’T CARE
Figure 47.5. Clock Suspend During Read Burst
Ir)ꢂ)RUꢂWKLVꢂH[DPSOHꢄꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢄꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢂRUꢂJUHDWHUꢄꢂDQGꢂ'40ꢂLVꢂORZꢁ
47.9 Concurrent Auto Precharge
7KHꢀ6'5$0ꢀGHYLFHVꢀVXSSRUWꢀ&RQFXUUHQWꢀ$XWRꢀSUHFKDUJHꢄꢀZKLFKꢀDOORZVꢀDQꢀDFFHVV
FRPPDQGꢀꢁ5HDGꢀRUꢀ:ULWHꢂꢀWRꢀDQRWKHUꢀEDQNꢀZKLOHꢀDQꢀDFFHVVꢀFRPPDQGꢀZLWKꢀDXWR
SUHFKDUJHꢀHQDEOHGꢀLVꢀH[HFXWLQJꢃꢀ)RXUꢀFDVHVꢀZKHUHꢀFRQFXUUHQWꢀDXWRꢀSUHFKDUJHꢀRFꢅ
FXUVꢀDUHꢀGHILQHGꢀEHORZꢃ
ꢒꢆꢎꢐꢎꢄ 5HDGꢀZLWKꢀ$XWRꢀ3UHFKDUJH
ꢇꢃ ,QWHUUXSWHGꢀE\ꢀDꢀ5HDGꢀꢁZLWKꢀRUꢀZLWKRXWꢀDXWRꢀSUHFKDUJHꢂꢆꢀ$ꢀ5HDGꢀWRꢀEDQNꢀP
ZLOOꢀLQWHUUXSWꢀDꢀ5HDGꢀRQꢀEDQNꢀQꢄꢀWZRꢀRUꢀWKUHHꢀFORFNVꢀODWHUꢄꢀGHSHQGLQJꢀRQꢀ&$6
ODWHQF\ꢃꢀ7KHꢀSUHFKDUJHꢀWRꢀEDQNꢀQꢀZLOOꢀEHJLQꢀZKHQꢀWKHꢀ5HDGꢀWRꢀEDQNꢀPꢀLVꢀUHJꢅ
LVWHUHGꢀꢁ)LJXUH ꢍꢈꢃꢎꢂꢃ
ꢏꢃ ,QWHUUXSWHGꢀE\ꢀDꢀ:ULWHꢀꢁZLWKꢀRUꢀZLWKRXWꢀDXWRꢀSUHFKDUJHꢂꢆꢀ:KHQꢀDꢀ:ULWHꢀWR
EDQNꢀPꢀUHJLVWHUVꢄꢀDꢀ5HDGꢀRQꢀEDQNꢀQꢀZLOOꢀEHꢀLQWHUUXSWHGꢃꢀ'40ꢀVKRXOGꢀEHꢀXVHG
WZRꢀFORFNVꢀSULRUꢀWRꢀWKHꢀ:ULWHꢀFRPPDQGꢀWRꢀSUHYHQWꢀEXVꢀFRQWHQWLRQꢃꢀ7KHꢀSUHꢅ
132
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
FKDUJHꢀWRꢀEDQNꢀQꢀZLOOꢀEHJLQꢀZKHQꢀWKHꢀ:ULWHꢀWRꢀEDQNꢀPꢀLVꢀUHJLVWHUHG
ꢁ)LJXUH ꢍꢈꢃꢈꢂꢃ
T0
T1
T2
T3
T4
T5
T6
T7
CLK
READ - AP
BANKn
READ - AP
BANKm
NOP
NOP
NOP
NOP
NOP
NOP
COMMAND
BANKn
Page Active
READ with Burst of 4
Interrupt Burst, Precharge
t
Idle
t
RP - BANKn
RP - BANKm
Internal
States
Page Active
READ with Burst of 4
Precharge
BANKm
BANKn,
COLa
BANKm,
COLd
ADDRESS
DQ
D
a
OUT
D
a + 1
OUT
D
OUT
DOUT
d + 1
d
CAS Latency = 3 (BANK n)
CAS Latency = 3 (BANKm)
DON’T CARE
Figure 47.6. Read with Auto Precharge Interrupted by a Read
Ir)ꢂ'40ꢂLVꢂORZꢁ
T0
T1
T2
T3
T4
T5
T6
T7
CLK
READ - AP
BANKn
WRITE - AP
BANKm
NOP
NOP
NOP
NOP
NOP
NOP
COMMAND
BANKn
Page
READ with Burst of 4
Page Active
Interrupt Burst, Precharge
t
Idle
WR -BANKm
Active
t
RP -BANK
n
Internal
States
WRITE with Burst of 4
Write-Back
BANKm
BANKn,
COLa
BANKm,
COLd
ADDRESS
1
DQM
D
OUT
DIN
d
D
d + 1
IN
D
d + 2
IN
DIN
d + 3
DQ
a
CAS Latency = 3 (BANKn)
DON’T CARE
Figure 47.7. Read with Auto Precharge Interrupted by a Write
Ir)ꢂ'40ꢂLVꢂKLJKꢂDWꢂ7ꢆꢂWRꢂSUHYHQWꢂ'
ꢃDꢓꢀꢂIURPꢂFRQWHQGLQJꢂZLWKꢂ' ꢃGDWꢂ7ꢎꢁ
,1
287
47.10 Write with Auto Precharge
ꢇꢃ ,QWHUUXSWHGꢀE\ꢀDꢀ5HDGꢀꢁZLWKꢀRUꢀZLWKRXWꢀDXWRꢀSUHFKDUJHꢂꢆꢀ:KHQꢀDꢀ5HDGꢀWR
EDQNꢀPꢀUHJLVWHUVꢄꢀLWꢀZLOOꢀLQWHUUXSWꢀDꢀ:ULWHꢀRQꢀEDQNꢀQꢄꢀZLWKꢀWKHꢀGDWDꢅRXWꢀDSꢅ
SHDULQJꢀꢏꢀRUꢀꢑꢀFORFNVꢀODWHUꢄꢀꢁGHSHQGLQJꢀRQꢀ&$6ꢀODWHQF\ꢂꢃꢀ7KHꢀSUHFKDUJHꢀWR
EDQNꢀQꢀZLOOꢀEHJLQꢀDIWHUꢀW:5ꢀLVꢀPHWꢄꢀZKHUHꢀW:5ꢀEHJLQVꢀZKHQꢀWKHꢀ5HDGꢀWRꢀEDQN
PꢀLVꢀUHJLVWHUHGꢃꢀ7KHꢀODVWꢀYDOLGꢀ:ULWHꢀWRꢀEDQNꢀQꢀZLOOꢀEHꢀGDWDꢅLQꢀUHJLVWHUHGꢀRQH
FORFNꢀSULRUꢀWRꢀWKHꢀ5HDGꢀWRꢀEDQNꢀPꢀꢁ)LJXUH ꢍꢈꢃꢋꢂꢃ
ꢏꢃ ,QWHUUXSWHGꢀE\ꢀDꢀ:ULWHꢀꢁZLWKꢀRUꢀZLWKRXWꢀDXWRꢀSUHFKDUJHꢂꢆꢀ:KHQꢀDꢀ:ULWHꢀWR
EDQNꢀPꢀUHJLVWHUVꢄꢀLWꢀZLOOꢀLQWHUUXSWꢀDꢀ:ULWHꢀRQꢀEDQNꢀQꢃꢀ7KHꢀSUHFKDUJHꢀWRꢀEDQN
QꢀZLOOꢀEHJLQꢀDIWHUꢀW:5ꢀLVꢀPHWꢄꢀZKHUHꢀW:5ꢀEHJLQVꢀZKHQꢀWKHꢀ:ULWHꢀWRꢀEDQNꢀPꢀLV
UHJLVWHUHGꢃꢀ7KHꢀODVWꢀYDOLGꢀGDWDꢀ:ULWHꢀWRꢀEDQNꢀQꢀZLOOꢀEHꢀGDWDꢀUHJLVWHUHGꢀRQH
FORFNꢀSULRUꢀWRꢀDꢀ:ULWHꢀWRꢀEDQNꢀPꢀꢁ)LJXUH ꢍꢈꢃꢉꢂꢃ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
133
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
CLK
WRITE - AP
BANKn
READ - AP
BANKm
NOP
NOP
NOP
NOP
NOP
NOP
COMMAND
BANKn
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back Precharge
t
RP - BANKn
t
WR - BANKn
Internal
States
t
RP - BANKm
Page Active
READ with Burst of 4
BANKm
BANKn,
COLa
BANKm,
COLd
ADDRESS
DQ
DIN
a
D
a + 1
IN
D
OUT
DOUT
d + 1
d
CAS Latency = 3 (BANKm)
DON’T CARE
Figure 47.8. Write with Auto Precharge Interrupted by a Read
Ir)ꢂ'40ꢂLVꢂORZꢁ
T0
T1
T2
T3
T4
T5
T6
T7
CLK
WRITE - AP
BANKn
WRITE - AP
BANKm
NOP
NOP
NOP
NOP
NOP
NOP
COMMAND
BANKn
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back Precharge
t
RP - BANKn
t
WR - BANKn
Internal
States
t
WR - BANKm
Write-Back
Page Active
WRITE with Burst of 4
BANKm
BANKn,
COLa
BANKm,
COLd
ADDRESS
DQ
DIN
a
D
a + 1
IN
D
a + 2
IN
DIN
d
D
d + 1
IN
D
d + 2
IN
D
d + 3
IN
DON’T CARE
Figure 47.9. Write with Auto Precharge Interrupted by a Write
Ir)ꢂ'40ꢂLVꢂORZꢁ
134
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
&RPPDQGꢀ,QRKZLEHLUWꢅ
'RURZ12Qꢀ3(3QWU\
P r e l i m i n a r y
Table 47.1 Truth Table 2 - CKE
&.(Qꢇꢄ
&.(Q
&XUUHQWꢀ6WDWH
3RZHUꢅ'RZQ
&RPPDQGQ
$FWLRQQ
1RWHV
;
0DLQWDLQꢀ3RZHUꢅ'RZQ
0DLQWDLQꢀ6HOIꢀ5HIUHVK
0DLQWDLQꢀ&ORFNꢀ6XVSHQG
0DLQWDLQꢀ'HHSꢀ3RZHUꢅ'RZQ
([LWꢀ3RZHUꢅ'RZQ
6HOIꢀ5HIUHVK
;
/
/
&ORFNꢀ6XVSHQG
'HHSꢀ3RZHUꢅ'RZQ
3RZHUꢅ'RZQ
;
;
ꢋ
ꢊ
ꢋ
&RPPDQGꢀ,QKLELWꢀRUꢀ123
;
'HHSꢀ3RZHUꢅ'RZQ
6HOIꢀ5HIUHVK
([LWꢀ'HHSꢀ3RZHUꢅ'RZQ
/
+
&RPPDQGꢀ,QKLELWꢀRUꢀ123([LWꢀ6HOIꢀ5HIUHVK
ꢎ
&ORFNꢀ6XVSHQG
$OOꢀ%DQNVꢀ,GOH
$OOꢀ%DQNVꢀ,GOH
$OOꢀ%DQNVꢀ,GOH
5HDGLQJꢀRUꢀ:ULWLQJ
;
([LWꢀ&ORFNꢀ6XVSHQG
ꢈ
ꢋ
%XUVWꢀ7HUPLQDWH
$XWRꢀ5HIUHVK
9DOLG
'HHSꢀ3RZHUꢅ'RZQꢀ(QWU\
6HOIꢀ5HIUHVKꢀ(QWU\
+
/
&ORFNꢀ6XVSHQGꢀ(QWU\
+
+
6HHꢀ7UXWKꢀ7DEOHꢀꢑ
Ir)
ꢀꢁ &.( ꢂLVꢂWKHꢂORJLFꢂVWDWHꢂRIꢂ&.(ꢂDWꢂFORFNꢂHGJHꢂQꢇꢂ&.( ꢂZDVꢂWKHꢂVWDWHꢂRIꢂ&.(ꢂDWꢂWKHꢂ
Q
Qꢃꢀ
SUHYLRXVꢂFORFNꢂHGJHꢁ
ꢆꢁ &XUUHQWꢂVWDWHꢂLVꢂWKHꢂVWDWHꢂRIꢂWKHꢂ6'5$0ꢂLPPHGLDWHO\ꢂSULRUꢂWRꢂFORFNꢂHGJHꢂQꢁ
ꢊꢁ &RPPDQG ꢂLVꢂWKHꢂFRPPDQGꢂUHJLVWHUHGꢂDWꢂFORFNꢂHGJHꢂQꢄꢂDQGꢂ$FWLRQ ꢂLVꢂDꢂUHVXOWꢂRIꢂ
Q
Q
&RPPDQG ꢁ
Q
ꢎꢁ $OOꢂVWDWHVꢂDQGꢂVHTXHQFHVꢂQRWꢂVKRZQꢂDUHꢂLOOHJDOꢂRUꢂUHVHUYHGꢁ
ꢉꢁ ([LWLQJꢂSRZHUꢃGRZQꢂDWꢂFORFNꢂHGJHꢂQꢂZLOOꢂSXWꢂWKHꢂGHYLFHꢂLQꢂWKHꢂDOOꢂEDQNVꢂLGOHꢂVWDWHꢂ
LQꢂWLPHꢂIRUꢂFORFNꢂHGJHꢂQꢂꢓꢂꢀꢂꢏSURYLGHGꢂWKDWꢂW ꢂLVꢂPHWꢐꢁ
&.6
ꢌꢁ ([LWLQJꢂVHOIꢂUHIUHVKꢂDWꢂFORFNꢂHGJHꢂQꢂZLOOꢂSXWꢂWKHꢂGHYLFHꢂLQꢂWKHꢂDOOꢂEDQNVꢂLGOHꢂVWDWHꢂ
RQFHꢂW ꢂLVꢂPHWꢁꢂ&RPPDQGꢂ,QKLELWꢂRUꢂ123ꢂFRPPDQGVꢂVKRXOGꢂEHꢂLVVXHGꢂRQꢂDQ\ꢂ
;65
FORFNꢂHGJHVꢂRFFXUULQJꢂGXULQJꢂWKHꢂW
ꢂSHULRGꢁꢂ$ꢂPLQLPXPꢂRIꢂWZRꢂ123ꢂFRPPDQGVꢂ
;65
PXVWꢂEHꢂSURYLGHGꢂGXULQJꢂW
ꢂSHULRGꢁ
;65
ꢋꢁ $IWHUꢂH[LWLQJꢂFORFNꢂVXVSHQGꢂDWꢂFORFNꢂHGJHꢂQꢄꢂWKHꢂGHYLFHꢂZLOOꢂUHVXPHꢂRSHUDWLRQꢂDQGꢂ
UHFRJQL]HꢂWKHꢂQH[WꢂFRPPDQGꢂDWꢂFORFNꢂHGJHꢂQꢂꢓꢂꢀꢁ
ꢑꢁ 'HHSꢂSRZHUꢃGRZQꢂLVꢂDꢂSRZHUꢃVDYLQJꢂIHDWXUHꢂRIꢂWKLVꢂ0RELOHꢂ6'5$0ꢂGHYLFHꢁꢂ7KLVꢂ
FRPPDQGꢂLVꢂ%XUVWꢂ7HUPLQDWHꢂZKHQꢂ&.(ꢂLVꢂKLJKꢂDQGꢂ'HHSꢂ3RZHUꢂ'RZQꢂZKHQꢂ&.(ꢂ
LVꢂORZꢁ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
135
P r e l i m i n a r y
Table 47.2 Truth Table 3 - Current State Bank n, Command to Bank n
5$6
ꢓ
:(
ꢓ
&XUUHQWꢀ6WDWH
&6ꢓ
&$6ꢓ
&RPPDQGꢀꢂ$FWLRQꢃ
1RWHV
&RPPDQGꢀ,QKLELWꢀꢁ123ꢒ&RQWLQXHꢀSUHYLRXVꢀ
RSHUDWLRQꢂ
+
;
;
;
$Q\
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
+
/
+
+
/
+
+
+
/
1Rꢀ2SHUDWLRQꢀꢁ123ꢒ&RQWLQXHꢀSUHYLRXVꢀRSHUDWLRQꢂ
$FWLYHꢀꢁ6HOHFWꢀDQGꢀDFWLYDWHꢀURZꢂ
/
$XWRꢀ5HIUHVK
ꢈ
ꢈ
,GOH
/
/
/RDGꢀ0RGHꢀ5HJLVWHU
/
+
/
/
3UHFKDUJH
ꢇꢇ
ꢇꢌ
ꢇꢌ
ꢋ
+
+
/
+
/
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJHꢀꢁ'HDFWLYDWHꢀURZꢀLQꢀEDQNꢀRUꢀEDQNVꢂ
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀQHZꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJHꢀꢁ7UXQFDWHꢀ5HDGꢀEXUVWꢄꢀVWDUWꢀ3UHFKDUJHꢂ
%XUVWꢀ7HUPLQDWH
5RZꢀ$FWLYH
/
+
/
/
+
+
/
+
/
ꢇꢌ
ꢇꢌ
ꢋ
/
5HDG
ꢁ$XWRꢀSUHFKDUJHꢀGLVDEOHGꢂ
+
+
/
/
+
+
+
/
/
ꢉ
+
/
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀQHZꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJHꢀꢁ7UXQFDWHꢀ:ULWHꢀEXUVWꢄꢀVWDUWꢀ3UHFKDUJHꢂ
%XUVWꢀ7HUPLQDWH
ꢇꢌ
ꢇꢌ
ꢋ
/
:ULWH
ꢁ$XWRꢀSUHFKDUJHꢀGLVDEOHGꢂ
+
+
/
+
/
ꢉ
Ir)
ꢀꢁ 7KLVꢂWDEOHꢂDSSOLHVꢂZKHQꢂ&.( ꢂZDVꢂ+LJKꢂDQGꢂ&.( LVꢂ+LJKꢂꢏVHHꢂ7DEOH ꢎꢋꢁꢀꢐꢂDQGꢂ
Qꢃꢀ
Qꢂ
DIWHUꢂW
ꢂKDVꢂEHHQꢂPHWꢂꢏLIꢂWKHꢂSUHYLRXVꢂVWDWHꢂZDVꢂVHOIꢂUHIUHVKꢐꢁ
;65
ꢆꢁ 7KLVꢂWDEOHꢂLVꢂEDQNꢃVSHFLILFꢄꢂH[FHSWꢂZKHUHꢂQRWHGꢇꢂLꢁHꢁꢄꢂWKHꢂFXUUHQWꢂVWDWHꢂLVꢂIRUꢂDꢂVSHꢃ
FLILFꢂEDQNꢂDQGꢂWKHꢂFRPPDQGVꢂVKRZQꢂDUHꢂWKRVHꢂDOORZHGꢂWRꢂEHꢂLVVXHGꢂWRꢂWKDWꢂEDQNꢂ
ZKHQꢂLQꢂWKDWꢂVWDWHꢁꢂ([FHSWLRQVꢂDUHꢂFRYHUHGꢂLQꢂWKHꢂQRWHVꢂEHORZꢁ
ꢊꢁ &XUUHQWꢂVWDWHꢂGHILQLWLRQVꢔ
,GOHꢔꢂ7KHꢂEDQNꢂKDVꢂEHHQꢂSUHFKDUJHGꢄꢂDQGꢂW ꢂKDVꢂEHHQꢂPHWꢁ
53
5RZꢂ$FWLYHꢔꢂ$ꢂURZꢂLQꢂWKHꢂEDQNꢂKDVꢂEHHQꢂDFWLYDWHGꢄꢂDQGꢂW
ꢂKDVꢂEHHQꢂPHWꢁꢂ1Rꢂ
5&'
GDWDꢂEXUVWVꢍDFFHVVHVꢂDQGꢂQRꢂUHJLVWHUꢂDFFHVVHVꢂDUHꢂLQꢂSURJUHVVꢁ
5HDGꢔꢂ$ꢂ5HDGꢂEXUVWꢂKDVꢂEHHQꢂLQLWLDWHGꢄꢂZLWKꢂDXWRꢂSUHFKDUJHꢂGLVDEOHGꢄꢂDQGꢂKDVꢂQRWꢂ
\HWꢂWHUPLQDWHGꢂRUꢂEHHQꢂWHUPLQDWHGꢁ
:ULWHꢔꢂ$ꢂ:ULWHꢂEXUVWꢂKDVꢂEHHQꢂLQLWLDWHGꢄꢂZLWKꢂDXWRꢂSUHFKDUJHꢂGLVDEOHGꢄꢂDQGꢂKDVꢂQRWꢂ
\HWꢂWHUPLQDWHGꢂRUꢂEHHQꢂWHUPLQDWHGꢁ
ꢎꢁ 7KHꢂIROORZLQJꢂVWDWHVꢂPXVWꢂQRWꢂEHꢂLQWHUUXSWHGꢂE\ꢂDꢂFRPPDQGꢂLVVXHGꢂWRꢂWKHꢂVDPHꢂ
EDQNꢁꢂ&RPPDQGꢂ,QKLELWꢂRUꢂ123ꢂFRPPDQGVꢄꢂRUꢂDOORZDEOHꢂFRPPDQGVꢂWRꢂWKHꢂRWKHUꢂ
EDQNꢂVKRXOGꢂEHꢂLVVXHGꢂRQꢂDQ\ꢂFORFNꢂHGJHꢂRFFXUULQJꢂGXULQJꢂWKHVHꢂVWDWHVꢁꢂ$OORZDEOHꢂ
FRPPDQGVꢂWRꢂWKHꢂRWKHUꢂEDQNꢂDUHꢂGHWHUPLQHGꢂE\ꢂLWVꢂFXUUHQWꢂVWDWHꢂDQGꢂ7DEOH ꢎꢋꢁꢆꢄꢂ
DQGꢂDFFRUGLQJꢂWRꢂ7DEOH ꢎꢋꢁꢊꢁ
3UHFKDUJLQJꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ3UHFKDUJHꢂFRPPDQGꢂDQGꢂHQGVꢂZKHQꢂW
ꢂ
53
LVꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂWKHꢂEDQNꢂZLOOꢂEHꢂLQꢂWKHꢂLGOHꢂVWDWHꢁ
53
5RZꢂ$FWLYDWLQJꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDQꢂ$FWLYHꢂFRPPDQGꢂDQGꢂHQGVꢂZKHQꢂ
ꢂLVꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂWKHꢂEDQNꢂZLOOꢂEHꢂLQꢂWKHꢂURZꢂDFWLYHꢂVWDWHꢁ
W
5&'
5&'
5HDGꢂZꢍ$XWRꢂ3UHFKDUJHꢂ(QDEOHGꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ5HDGꢂFRPPDQGꢂZLWKꢂ
DXWRꢂSUHFKDUJHꢂHQDEOHGꢂDQGꢂHQGVꢂZKHQꢂW ꢂKDVꢂEHHQꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂWKHꢂ
53
53
EDQNꢂZLOOꢂEHꢂLQꢂWKHꢂLGOHꢂVWDWHꢁ
:ULWHꢂZꢍ$XWRꢂ3UHFKDUJHꢂ(QDEOHGꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ:ULWHꢂFRPPDQGꢂ
ZLWKꢂDXWRꢂSUHFKDUJHꢂHQDEOHGꢂDQGꢂHQGVꢂZKHQ
W
ꢂKDVꢂEHHQꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂWKHꢂEDQNꢂZLOOꢂEHꢂLQꢂWKHꢂLGOHꢂVWDWHꢁ
53
53
ꢉꢁ 7KHꢂIROORZLQJꢂVWDWHVꢂPXVWꢂQRWꢂEHꢂLQWHUUXSWHGꢂE\ꢂDQ\ꢂH[HFXWDEOHꢂFRPPDQGꢇꢂ&RPꢃ
PDQGꢂ,QKLELWꢂRUꢂ123ꢂFRPPDQGVꢂPXVWꢂEHꢂDSSOLHGꢂRQꢂHDFKꢂSRVLWLYHꢂFORFNꢂHGJHꢂGXUꢃ
LQJꢂWKHVHꢂVWDWHVꢁ
5HIUHVKLQJꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDQꢂ$XWRꢂ5HIUHVKꢂFRPPDQGꢂDQGꢂHQGVꢂZKHQꢂ
W
ꢂLVꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂWKHꢂ6'5$0ꢂZLOOꢂEHꢂLQꢂWKHꢂDOOꢂEDQNVꢂLGOHꢂVWDWHꢁ
5&
5&
$FFHVVLQJꢂ0RGHꢂ5HJLVWHUꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ/RDGꢂ0RGHꢂ5HJLVWHUꢂFRPꢃ
PDQGꢂDQGꢂHQGVꢂZKHQꢂW ꢂKDVꢂEHHQꢂPHWꢁ
05'
2QFHꢂW
ꢂLVꢂPHWꢄꢂWKHꢂ6'5$0ꢂZLOOꢂEHꢂLQꢂWKHꢂDOOꢂEDQNVꢂLGOHꢂVWDWHꢁ
05'
136
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
3UHFKDUJLQJꢂ$OOꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ3UHFKDUJHꢂ$OOꢂFRPPDQGꢂDQGꢂHQGVꢂ
ZKHQꢂW ꢂLVꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂDOOꢂEDQNVꢂZLOOꢂEHꢂLQꢂWKHꢂLGOHꢂVWDWHꢁ
53
53
ꢌꢁ $OOꢂVWDWHVꢂDQGꢂVHTXHQFHVꢂQRWꢂVKRZQꢂDUHꢂLOOHJDOꢂRUꢂUHVHUYHGꢁ
ꢋꢁ 1RWꢂEDQNꢃVSHFLILFꢇꢂUHTXLUHVꢂWKDWꢂDOOꢂEDQNVꢂDUHꢂLGOHꢁ
ꢑꢁ 0D\ꢂRUꢂPD\ꢂQRWꢂEHꢂEDQNꢃVSHFLILFꢇꢂLIꢂDOOꢂEDQNVꢂDUHꢂWRꢂEHꢂSUHFKDUJHGꢄꢂDOOꢂPXVWꢂEHꢂLQꢂ
DꢂYDOLGꢂVWDWHꢂIRUꢂSUHFKDUJLQJꢁ
ꢒꢁ 'HHSꢂ3RZHUꢃ'RZQꢂLVꢂSRZHUꢃVDYLQJꢂIHDWXUHꢂRIꢂWKLVꢂ0RELOHꢂ6'5$0ꢂGHYLFHꢁꢂ7KLVꢂ
FRPPDQGꢂLVꢂ%XUVWꢂ7HUPLQDWHꢂZKHQꢂ&.(ꢂLVꢂKLJKꢂDQGꢂ'HHSꢂ3RZHUꢂ'RZQꢂZKHQꢂ&.(ꢂ
LVꢂORZꢁ
ꢀꢈꢁ 5HDGVꢂRUꢂ:ULWHVꢂOLVWHGꢂLQꢂWKHꢂ&RPPDQGꢂꢏ$FWLRQꢐꢂFROXPQꢂLQFOXGHꢂ5HDGVꢂRUꢂ:ULWHVꢂ
ZLWKꢂDXWRꢂSUHFKDUJHꢂHQDEOHGꢂDQGꢂ5HDGVꢂRUꢂ:ULWHVꢂZLWKꢂDXWRꢂSUHFKDUJHꢂGLVDEOHGꢁ
ꢀꢀꢁ 'RHVꢂQRWꢂDIIHFWꢂWKHꢂVWDWHꢂRIꢂWKHꢂEDQNꢂDQGꢂDFWVꢂDVꢂDꢂ123ꢂWRꢂWKDWꢂEDQNꢁ
Table 47.3 Truth Table 4 - Current State Bank n, Command to Bank m
5$6
ꢓ
:(
ꢓ
&XUUHQWꢀ6WDWH
&6ꢓ
&$6ꢓ
&RPPDQGꢀꢂ$FWLRQꢃ
1RWHV
&RPPDQGꢀ,QKLELWꢀꢁ123ꢒ&RQWLQXHꢀSUHYLRXVꢀ
RSHUDWLRQꢂ
+
;
;
;
$Q\
,GOH
/
;
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
+
;
/
+
;
+
/
+
;
+
+
/
1Rꢀ2SHUDWLRQꢀꢁ123ꢒ&RQWLQXHꢀSUHYLRXVꢀRSHUDWLRQꢂ
$Q\ꢀ&RPPDQGꢀ2WKHUZLVHꢀ$OORZHGꢀWRꢀ%DQNꢀP
$FWLYHꢀꢁ6HOHFWꢀDQGꢀDFWLYDWHꢀURZꢂ
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJH
ꢈ
ꢈ
+
+
/
5RZꢀ$FWLYDWLQJꢄ
$FWLYHꢄꢀRUꢀ3UHFKDUJLQJ
/
+
+
/
/
/
+
+
/
$FWLYHꢀꢁ6HOHFWꢀDQGꢀDFWLYDWHꢀURZꢂ
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJH
+
+
/
ꢈꢄꢀꢇꢌ
ꢈꢄꢀꢇꢇ
ꢉ
5HDG
ꢁ$XWRꢀSUHFKDUJHꢀGLVDEOHGꢂ
/
+
+
/
/
/
+
+
/
$FWLYHꢀꢁ6HOHFWꢀDQGꢀDFWLYDWHꢀURZꢂ
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀQHZꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJH
+
+
/
ꢈꢄꢀꢇꢏ
ꢈꢄꢀꢇꢑ
ꢉ
:ULWH
ꢁ$XWRꢀSUHFKDUJHꢀGLVDEOHGꢂ
/
+
+
/
/
/
+
+
/
$FWLYHꢀꢁ6HOHFWꢀDQGꢀDFWLYDWHꢀURZꢂ
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀQHZꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJH
+
+
/
ꢈꢄꢀꢋꢀꢇꢍ
ꢈꢄꢀꢋꢄꢀꢇꢊ
ꢉ
5HDG
ꢁZLWKꢀ$XWRꢀSUHFKDUJHꢂ
/
+
+
/
/
/
+
+
/
$FWLYHꢀꢁ6HOHFWꢀDQGꢀDFWLYDWHꢀURZꢂ
5HDGꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀ5HDGꢀEXUVWꢂ
:ULWHꢀꢁ6HOHFWꢀFROXPQꢀDQGꢀVWDUWꢀQHZꢀ:ULWHꢀEXUVWꢂ
3UHFKDUJH
+
+
/
ꢈꢄꢀꢋꢄꢀꢇꢎ
ꢈꢄꢀꢋꢄꢀꢇꢈ
ꢉ
:ULWH
ꢁZLWKꢀ$XWRꢀSUHFKDUJHꢂ
/
+
/
Ir)
ꢀꢁ 7KLVꢂWDEOHꢂDSSOLHVꢂZKHQꢂ&.( ꢂZDVꢂKLJKꢂDQGꢂ&.( ꢂLVꢂKLJKꢂꢏVHHꢂ7DEOH ꢎꢋꢁꢀꢐꢂDQGꢂ
Qꢃꢀ
Q
DIWHUꢂW
ꢂKDVꢂEHHQꢂPHWꢂꢏLIꢂWKHꢂSUHYLRXVꢂVWDWHꢂZDVꢂVHOIꢂUHIUHVKꢐꢁ
;65
ꢆꢁ 7KLVꢂWDEOHꢂGHVFULEHVꢂDOWHUQDWHꢂEDQNꢂRSHUDWLRQꢄꢂH[FHSWꢂZKHUHꢂQRWHGꢇꢂLꢁHꢁꢄꢂWKHꢂFXUꢃ
UHQWꢂVWDWHꢂLVꢂIRUꢂEDQNꢂQꢂDQGꢂWKHꢂFRPPDQGVꢂVKRZQꢂDUHꢂWKRVHꢂDOORZHGꢂWRꢂEHꢂLVVXHGꢂ
WRꢂEDQNꢂPꢂꢏDVVXPLQJꢂWKDWꢂEDQNꢂPꢂLVꢂLQꢂVXFKꢂDꢂVWDWHꢂWKDWꢂWKHꢂJLYHQꢂFRPPDQGꢂLVꢂ
DOORZDEOHꢐꢁꢂ([FHSWLRQVꢂDUHꢂFRYHUHGꢂLQꢂWKHꢂQRWHVꢂEHORZꢁ
ꢊꢁ &XUUHQWꢂVWDWHꢂGHILQLWLRQVꢔ
,GOHꢔꢂ7KHꢂEDQNꢂKDVꢂEHHQꢂSUHFKDUJHGꢄꢂDQGꢂW ꢂKDVꢂEHHQꢂPHWꢁ
53
5RZꢂ$FWLYHꢔꢂ$ꢂURZꢂLQꢂWKHꢂEDQNꢂKDVꢂEHHQꢂDFWLYDWHGꢄꢂDQGꢂW
ꢂKDVꢂEHHQꢂPHWꢁꢂ1Rꢂ
5&'
GDWDꢂEXUVWVꢍDFFHVVHVꢂDQGꢂQRꢂUHJLVWHUꢂDFFHVVHVꢂDUHꢂLQꢂSURJUHVVꢁ
5HDGꢔꢂ$ꢂ5HDGꢂEXUVWꢂKDVꢂEHHQꢂLQLWLDWHGꢄꢂZLWKꢂDXWRꢂSUHFKDUJHꢂGLVDEOHGꢄꢂDQGꢂKDVꢂQRWꢂ
\HWꢂWHUPLQDWHGꢂRUꢂEHHQꢂWHUPLQDWHGꢁ
:ULWHꢔꢂ$ꢂ:ULWHꢂEXUVWꢂKDVꢂEHHQꢂLQLWLDWHGꢄꢂZLWKꢂDXWRꢂSUHFKDUJHꢂGLVDEOHGꢄꢂDQGꢂKDVꢂQRWꢂ
\HWꢂWHUPLQDWHGꢂRUꢂEHHQꢂWHUPLQDWHGꢁ
5HDGꢂZꢍ$XWRꢂ3UHFKDUJHꢂ(QDEOHGꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ5HDGꢂFRPPDQGꢂZLWKꢂ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
137
P r e l i m i n a r y
DXWRꢂSUHFKDUJHꢂHQDEOHGꢄꢂDQGꢂHQGVꢂZKHQꢂW ꢂKDVꢂEHHQꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂWKHꢂ
53
53
EDQNꢂZLOOꢂEHꢂLQꢂWKHꢂLGOHꢂVWDWHꢁ
:ULWHꢂZꢍ$XWRꢂ3UHFKDUJHꢂ(QDEOHGꢔꢂ6WDUWVꢂZLWKꢂUHJLVWUDWLRQꢂRIꢂDꢂ:ULWHꢂFRPPDQGꢂ
ZLWKꢂDXWRꢂSUHFKDUJHꢂHQDEOHGꢄꢂDQGꢂHQGVꢂZKHQꢂW ꢂKDVꢂEHHQꢂPHWꢁꢂ2QFHꢂW ꢂLVꢂPHWꢄꢂ
53
53
WKHꢂEDQNꢂZLOOꢂEHꢂLQꢂWKHꢂLGOHꢂVWDWHꢁ
ꢎꢁ $XWRꢂ5HIUHVKꢄꢂ6HOIꢂ5HIUHVKꢂDQGꢂ/RDGꢂ0RGHꢂ5HJLVWHUꢂFRPPDQGVꢂPD\ꢂRQO\ꢂEHꢂLVVXHGꢂ
ZKHQꢂDOOꢂEDQNVꢂDUHꢂLGOHꢁ
ꢉꢁ $ꢂ%XUVWꢂ7HUPLQDWHꢂFRPPDQGꢂFDQQRWꢂEHꢂLVVXHGꢂWRꢂDQRWKHUꢂEDQNꢇꢂLWꢂDSSOLHVꢂWRꢂWKHꢂ
EDQNꢂUHSUHVHQWHGꢂE\ꢂWKHꢂFXUUHQWꢂVWDWHꢂRQO\ꢁ
ꢌꢁ $OOꢂVWDWHVꢂDQGꢂVHTXHQFHVꢂQRWꢂVKRZQꢂDUHꢂLOOHJDOꢂRUꢂUHVHUYHGꢁ
ꢋꢁ 5HDGVꢂRUꢂ:ULWHVꢂWRꢂEDQNꢂPꢂOLVWHGꢂLQꢂWKHꢂ&RPPDQGꢂꢏ$FWLRQꢐꢂFROXPQꢂLQFOXGHꢂ5HDGVꢂ
RUꢂ:ULWHVꢂZLWKꢂDXWRꢂSUHFKDUJHꢂHQDEOHGꢂDQGꢂ5HDGVꢂRUꢂ:ULWHVꢂZLWKꢂDXWRꢂSUHFKDUJHꢂ
GLVDEOHGꢁ
ꢑꢁ &RQFXUUHQWꢂ$XWRꢂ3UHFKDUJHꢔꢂ%DQNꢂQꢂZLOOꢂLQLWLDWHꢂWKHꢂDXWRꢂSUHFKDUJHꢂFRPPDQGꢂ
ZKHQꢂLWVꢂEXUVWꢂKDVꢂEHHQꢂLQWHUUXSWHGꢂE\ꢂEDQNꢂPꢂEXUVWꢁ
ꢒꢁ %XUVWꢂLQꢂEDQNꢂQꢂFRQWLQXHVꢂDVꢂLQLWLDWHGꢁ
ꢀꢈꢁ )RUꢂDꢂ5HDGꢂZLWKRXWꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ5HDGꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂ
SUHFKDUJHꢐꢄꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ5HDGꢂRQꢂEDQNꢂQꢄꢂ&$6ꢂODWHQF\ꢂ
ODWHUꢂꢏ)LJXUH ꢎꢋꢁꢆꢐꢁ
ꢀꢀꢁ )RUꢂDꢂ5HDGꢂZLWKRXWꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ:ULWHꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂ
SUHFKDUJHꢐꢄꢂWKHꢂ:ULWHꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ5HDGꢂRQꢂEDQNꢂQꢂZKHQꢂUHJLVWHUHGꢂ
ꢏ)LJXUH ꢎꢋꢁꢎꢄꢂDQGꢂ)LJXUH ꢎꢋꢁꢉꢐꢁꢂ'40ꢂVKRXOGꢂEHꢂXVHGꢂRQHꢂFORFNꢂSULRUꢂWRꢂWKHꢂ:ULWHꢂ
FRPPDQGꢂWRꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢁ
ꢀꢆꢁ )RUꢂDꢂ:ULWHꢂZLWKRXWꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ5HDGꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂ
SUHFKDUJHꢐꢄꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ:ULWHꢂRQꢂEDQNꢂQꢂZKHQꢂUHJLVWHUHGꢂ
ꢏ)LJXUH ꢎꢋꢁꢉꢐꢄꢂZLWKꢂWKHꢂGDWDꢃRXWꢂDSSHDULQJꢂ&$6ꢂODWHQF\ꢂODWHUꢁꢂ7KHꢂODVWꢂYDOLGꢂ:ULWHꢂ
WRꢂEDQNꢂQꢂZLOOꢂEHꢂGDWDꢃLQꢂUHJLVWHUHGꢂRQHꢂFORFNꢂSULRUꢂWRꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢁ
ꢀꢊꢁ )RUꢂDꢂ:ULWHꢂZLWKRXWꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ:ULWHꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂ
SUHFKDUJHꢐꢄꢂWKHꢂ:ULWHꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ:ULWHꢂRQꢂEDQNꢂQꢂZKHQꢂUHJLVꢃ
WHUHGꢂꢏ)LJXUH ꢎꢋꢁꢊꢐꢁꢂ7KHꢂODVWꢂYDOLGꢂ:ULWHꢂWRꢂEDQNꢂQꢂZLOOꢂEHꢂGDWDꢃLQꢂUHJLVWHUHGꢂRQHꢂ
FORFNꢂSULRUꢂWRꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢁ
ꢀꢎꢁ )RUꢂDꢂ5HDGꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ5HDGꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂSUHꢃ
FKDUJHꢐꢄꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ5HDGꢂRQꢂEDQNꢂQꢄꢂ&$6ꢂODWHQF\ꢂODWHUꢂ
ꢏ)LJXUH ꢎꢋꢁꢌꢐꢁꢂ7KHꢂ3UHFKDUJHꢂWRꢂEDQNꢂQꢂZLOOꢂEHJLQꢂZKHQꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢂLVꢂUHJꢃ
LVWHUHGꢁ
ꢀꢉꢁ )RUꢂDꢂ5HDGꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ:ULWHꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂSUHꢃ
FKDUJHꢐꢄꢂWKHꢂ:ULWHꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ5HDGꢂRQꢂEDQNꢂQꢂZKHQꢂUHJLVWHUHGꢂ
ꢏ)LJXUH ꢎꢋꢁꢋꢐꢁꢂ'40ꢂVKRXOGꢂEHꢂXVHGꢂWZRꢂFORFNVꢂSULRUꢂWRꢂWKHꢂ:ULWHꢂFRPPDQGꢂWRꢂSUHꢃ
YHQWꢂEXVꢂFRQWHQWLRQꢁꢂ7KHꢂ3UHFKDUJHꢂWRꢂEDQNꢂQꢂZLOOꢂEHJLQꢂZKHQꢂWKHꢂ:ULWHꢂWRꢂEDQNꢂ
PꢂLVꢂUHJLVWHUHGꢁ
ꢀꢌꢁ )RUꢂDꢂ:ULWHꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ5HDGꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂSUHꢃ
FKDUJHꢐꢄꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ:ULWHꢂRQꢂEDQNꢂQꢂZKHQꢂUHJLVWHUHGꢄꢂ
ZLWKꢂWKHꢂGDWDꢃRXWꢂDSSHDULQJꢂ&$6ꢂODWHQF\ꢂODWHUꢂꢏ)LJXUH ꢎꢋꢁꢑꢐꢁꢂ7KHꢂ3UHFKDUJHꢂWRꢂ
EDQNꢂQꢂZLOOꢂEHJLQꢂDIWHUꢂW ꢂLVꢂPHWꢄꢂZKHUHꢂW ꢂEHJLQVꢂZKHQꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢂLVꢂ
:5
:5
UHJLVWHUHGꢁꢂ7KHꢂODVWꢂYDOLGꢂ:ULWHꢂEDQNꢂQꢂZLOOꢂEHꢂGDWDꢃLQꢂUHJLVWHUHGꢂRQHꢂFORFNꢂSULRUꢂ
WRꢂWKHꢂ5HDGꢂWRꢂEDQNꢂPꢁ
ꢀꢋꢁ )RUꢂDꢂ:ULWHꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLQWHUUXSWHGꢂE\ꢂDꢂ:ULWHꢂꢏZLWKꢂRUꢂZLWKRXWꢂDXWRꢂSUHꢃ
FKDUJHꢐꢄꢂWKHꢂ:ULWHꢂWRꢂEDQNꢂPꢂZLOOꢂLQWHUUXSWꢂWKHꢂ:ULWHꢂRQꢂEDQNꢂQꢂZKHQꢂUHJLVWHUHGꢁꢂ
7KHꢂ3UHFKDUJHꢂWRꢂEDQNꢂQꢂZLOOꢂEHJLQꢂDIWHUꢂW ꢂLVꢂPHWꢄꢂZKHUHꢂW ꢂEHJLQVꢂZKHQꢂWKHꢂ
:5
:5
:ULWHꢂWRꢂEDQNꢂPꢂLVꢂUHJLVWHUHGꢂꢏ)LJXUH ꢎꢋꢁꢒꢐꢁꢂ7KHꢂODVWꢂYDOLGꢂ:ULWHꢂWRꢂEDQNꢂQꢂZLOOꢂEHꢂ
GDWDꢂUHJLVWHUHGꢂRQHꢂFORFNꢂWRꢂWKHꢂ:ULWHꢂWRꢂEDQNꢂPꢁ
138
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
48 Absolute Maximum Ratings
6WUHVVHVꢀJUHDWHUꢀWKDQꢀWKRVHꢀOLVWHGꢀPD\ꢀFDXVHꢀSHUPDQHQWꢀGDPDJHꢀWRꢀWKHꢀGHYLFHꢃ
7KLVꢀLVꢀDꢀVWUHVVꢀUDWLQJꢀRQO\ꢄꢀDQGꢀIXQFWLRQDOꢀRSHUDWLRQꢀRIꢀWKHꢀGHYLFHꢀDWꢀWKHVHꢀRUꢀDQ\
RWKHUꢀFRQGLWLRQVꢀDERYHꢀWKRVHꢀLQGLFDWHGꢀLQꢀWKHꢀRSHUDWLRQDOꢀVHFWLRQVꢀRIꢀWKLVꢀVSHFLILꢅ
FDWLRQꢀLVꢀQRWꢀLPSOLHGꢃꢀ([SRVXUHꢀWRꢀDEVROXWHꢀPD[LPXPꢀUDWLQJꢀFRQGLWLRQVꢀIRU
H[WHQGHGꢀSHULRGVꢀPD\ꢀDIIHFWꢀUHOLDELOLW\ꢃ
9ROWDJHꢀRQꢀ9''ꢒ9''4ꢀ6XSSO\ꢀ5HODWLYHꢀWRꢀ966 ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢅꢌꢃꢑꢊ9ꢀWRꢀꢐꢏꢃꢋ9
9ROWDJHꢀRQꢀ,QSXWVꢄꢀ1&ꢀRUꢀ,ꢒ2ꢀ3LQVꢀ5HODWLYHꢀWRꢀ966ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃ ꢅꢌꢃꢑꢊ9ꢀWRꢀꢐꢏꢃꢋ9
2SHUDWLQJꢀ7HPSHUDWXUHꢀ7$ꢀꢁ([WHQGHGꢂ ꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀ ꢅꢏꢊ&ꢀWRꢀꢐꢋꢊ&
6WRUDJHꢀ7HPSHUDWXUHꢀꢁSODVWLFꢂ ꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀꢃꢀ ꢅꢊꢊ&ꢀWRꢀꢐꢇꢊꢌ&
Table 48.1 DC Electrical Characteristics and Operating Conditions
ꢇꢆꢉ
ꢇꢄꢋ
3DUDPHWHU
6\PERO
8QLWV
1RWHV
0LQ
ꢇꢃꢈ
ꢇꢃꢈ
0D[
ꢇꢃꢉꢊ
ꢇꢃꢉꢊ
0LQ
ꢇꢃꢈ
ꢇꢃꢈ
0D[
ꢇꢃꢉ
6XSSO\ꢀ9ROWDJH
9''
9''4
9,+
,ꢒ2ꢀ6XSSO\ꢀ9ROWDJH
ꢇꢃꢉ
,QSXWꢀ+LJKꢀ9ROWDJHꢆꢀ/RJLFꢀꢇꢕꢀ$OOꢀLQSXWV
,QSXWꢀ/RZꢀ9ROWDJHꢆꢀ/RJLFꢀꢌꢕꢀ$OOꢀLQSXWV
2XWSXWꢀ+LJKꢀ9ROWDJHꢆꢀ$OOꢀLQSXWV
2XWSXWꢀ/RZꢀ9ROWDJHꢆꢀ$OOꢀLQSXWV
,QSXWꢀ/HDNDJHꢀ&XUUHQWꢆ
ꢌꢃꢋꢀ[ꢀ9''4 9''ꢀꢐꢀꢌꢃꢑ ꢌꢃꢋꢀ[ꢀ9''4 9''ꢀꢐꢀꢌꢃꢑ
ꢍ
ꢍ
9
9,/
ꢅꢌꢃꢑ
ꢌꢃꢉꢀ[ꢀ9''4
²
ꢐꢌꢃꢑ
²
ꢅꢌꢃꢑ
ꢌꢃꢉꢀ[ꢀ9''4
²
ꢐꢌꢃꢑ
²
92+
92/
ꢌꢃꢏ
ꢌꢃꢏ
$Q\ꢀLQSXWꢀꢌ9ꢀ≤ꢀ9,1ꢀ≤ 9''
ꢀ
,
,
ꢅꢇꢃꢌ
ꢅꢇꢃꢊ
ꢇꢃꢌ
ꢇꢃꢊ
ꢅꢇꢃꢌ
ꢅꢇꢃꢊ
ꢇꢃꢌ
ꢇꢃꢊ
$
$
ꢁ$OOꢀRWKHUꢀSLQVꢀQRWꢀXQGHUꢀWHVWꢀ ꢀꢌ9ꢂ
2XWSXWꢀ/HDNDJHꢀ&XUUHQWꢆꢀ'4ꢀGLVDEOHGꢕꢀ
ꢌ9ꢀ≤ꢀ9287ꢀ≤ 9''4
,
2=
Ir)
ꢀꢁ $OOꢂYROWDJHVꢂUHIHUHQFHGꢂWRꢂ9 ꢁꢂ9 ꢂ ꢂ9 ꢂ ꢂꢓꢀꢁꢑ9ꢂꢈꢁꢀ9ꢁ
''4
66
''
ꢆꢁ 7KHꢂPLQLPXPꢂVSHFLILFDWLRQVꢂDUHꢂXVHGꢂRQO\ꢂWRꢂLQGLFDWHꢂF\FOHꢂWLPHꢂDWꢂZKLFKꢂSURSHUꢂ
RSHUDWLRQꢂRYHUꢂWKHꢂIXOOꢂWHPSHUDWXUHꢂUDQJHꢂꢏꢃꢆꢉ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂVWDQGDUGꢂSDUWVꢇꢂ
$
ꢃꢎꢈ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂ,7ꢂSDUWVꢐꢂLVꢂHQVXUHGꢁ
$
ꢊꢁ $QꢂLQLWLDOꢂSDXVHꢂRIꢂꢀꢈꢈVꢂLVꢂUHTXLUHGꢂDIWHUꢂSRZHUꢂXSꢄꢂIROORZHGꢂE\ꢂWZRꢂ$XWRꢂ5HIUHVKꢂ
FRPPDQGVꢄꢂEHIRUHꢂSURSHUꢂGHYLFHꢂRSHUDWLRQꢂLVꢂHQVXUHGꢁꢂꢏ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂ
''
''4
SRZHUHGꢂXSꢂVLPXOWDQHRXVO\ꢁꢂ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂDWꢂVDPHꢂSRWHQWLDOꢁꢐꢂ7KHꢂWZRꢂ
66
664
$XWRꢂ5HIUHVKꢂFRPPDQGꢂZDNHꢃXSVꢂVKRXOGꢂEHꢂUHSHDWHGꢂDQ\ꢂWLPHꢂWKHꢂW ꢂUHIUHVKꢂ
5()
UHTXLUHPHQWꢂLVꢂH[FHHGHGꢁ
ꢎꢁ
9
ꢂRYHUVKRRWꢔꢂ9
ꢂ ꢂ9
ꢂꢓꢂꢆ9ꢂIRUꢂDꢂSXOVHꢂZLGWKꢂ≤ꢂꢊQVꢄꢂDQGꢂWKHꢂSXOVHꢂZLGWKꢂ
''4
,+
,+ꢂꢏ0$;ꢐ
FDQQRWꢂEHꢂJUHDWHUꢂWKDQꢂRQHꢂWKLUGꢂRIꢂWKHꢂF\FOHꢂUDWHꢁꢂ9 ꢂXQGHUVKRRWꢔꢂ9
ꢂ ꢂꢃ
,/
,/ꢂꢏ0,1ꢐ
ꢆ9ꢂIRUꢂDꢂSXOVHꢂZLGWKꢂ≤ꢂꢊQVꢁ
$ꢂ @T9ꢀDv)ꢀ6SDQVLRQꢂ)ODVKꢂPHPRU\ꢂ0XOWLꢃ&KLSꢂ3URGXFWVꢂꢏ0&3VꢐꢂPD\ꢂFRQꢃ
WDLQꢂFRPSRQHQWꢂGHYLFHVꢂWKDWꢂDUHꢂGHYHORSHGꢂE\ꢂ6SDQVLRQꢂDQGꢂFRPSRQHQWꢂGHYLFHVꢂ
WKDWꢂDUHꢂGHYHORSHGꢂE\ꢂDꢂWKLUGꢂSDUW\ꢂꢏWKLUGꢃSDUW\ꢂFRPSRQHQWVꢐꢁꢂ6SDQVLRQꢂFRPSRꢃ
QHQWVꢂDUHꢂWHVWHGꢂDQGꢂJXDUDQWHHGꢂWRꢂWKHꢂ(6'ꢂLPPXQLW\ꢂOHYHOVꢂOLVWHGꢂLQꢂWKHꢂFRUUHꢃ
VSRQLQJꢂ6SDQLRQꢂ)ODVKꢂPHPRU\ꢂ4XDOLILFDWLRQꢂ'DWDEDVHꢁꢂ7KLUGꢃSDUW\ꢂFRPSRQHQWVꢂ
DUHꢂQHLWKHUꢂWHVWHGꢂQRUꢂJXDUDQWHHGꢂE\ꢂ6SDQVLRQꢂIRUꢂ(6'ꢂLPPXQLW\ꢁꢂ+RZHYHUꢄꢂ(6'ꢂ
WHVWꢂUHVXOWVꢂIRUꢂWKLUGꢃSDUW\ꢂFRPSRQHQWVꢂPD\ꢂEHꢂDYDLODEOHꢂIURPꢂWKHꢂFRPSRQHQWꢂ
PDQXIDFWXUHUꢁꢂ&RPSRQHQWꢂPDQXIDFWXUHUꢂFRQWDFWꢂLQIRUPDWLRQꢂLVꢂOLVWHGꢂLQꢂWKHꢂ6SDQꢃ
VLRQꢂ0&3ꢂ4XDOLILFDWLRQꢂ5HSRUWꢄꢂZKHQꢂDYDLODEOHꢁꢂ7KHꢂ6SDQLRQꢂ)ODVKꢂPHPRU\ꢂ4XDOꢃ
LILFDWLRQꢂ'DWDEDVHꢂDQGꢂ6SDQVLRQꢂ0&3ꢂ4XDOLILFDWLRQꢂ5HSRUWꢂDUHꢂDYDLODEOHꢂIURPꢂ
6SDQVLRQꢂDQGꢂ)XMLWVXꢂVDOHVꢂRIILFHVꢁ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
139
P r e l i m i n a r y
Table 48.2 AC Electrical Characteristics and Operating Conditions
Parameter
Symbol
9,+
Min
ꢇꢃꢍ
²
Max
²
Units Notes
,QSXWꢀ+LJKꢀ9ROWDJHꢆꢀ/RJLFꢀꢇꢕꢀ$OOꢀLQSXWV
,QSXWꢀ/RZꢀ9ROWDJHꢆꢀ/RJLFꢀꢌꢕꢀ$OOꢀLQSXWV
9
9
9,/
ꢐꢌꢃꢍ
Table 48.3 Electrical Characteristics and Recommended AC Operating
Conditions
$&ꢀ&KDUDFWHULVWLFV
3DUDPHWHU
-75
-10
1RWH
V
8QLWV
6\PERO
0LQ
0D[
ꢊꢃꢍ
ꢎ
0LQ
0D[
&/ ꢑ
&/ ꢏ
W
$&ꢀꢁꢑꢂ
$&ꢀꢁꢏꢂ
W$+
ꢈ
ꢋ
ꢏꢈ
$FFHVVꢀWLPHꢀIURPꢀ&/.ꢀꢁSRVꢃꢀ
HGJHꢂ
W
$GGUHVVꢀKROGꢀWLPH
$GGUHVVꢀVHWXSꢀWLPH
&/.ꢀKLJKꢅOHYHOꢀZLGWK
&/.ꢀORZꢅOHYHOꢀZLGWK
ꢇ
ꢇ
ꢏꢃꢊ
ꢑ
W$6
ꢏꢃꢊ
ꢏꢃꢊ
ꢏꢃꢊ
ꢈꢃꢊ
ꢇꢌ
ꢇ
W&+
W&/
ꢑ
&/ ꢑ
&/ ꢏ
W
&.ꢀꢁꢑꢂ
&.ꢀꢁꢏꢂ
W&.+
W&.6
ꢇꢌꢌ
ꢇꢌꢌ
ꢉꢃꢎ
ꢇꢏ
ꢇ
ꢇꢌꢌ
ꢇꢌꢌ
ꢎ
ꢎ
&ORFNꢀF\FOHꢀWLPH
W
&.(ꢀKROGꢀWLPH
&.(ꢀVHWXSꢀWLPH
ꢏꢃꢊ
ꢏꢃꢊ
&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔꢄꢀ'40ꢀKROGꢀ
WLPH
W&0+
W&06
ꢇ
ꢇ
QV
&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔꢄꢀ'40ꢀVHWXSꢀ
WLPH
ꢏꢃꢊ
ꢏꢃꢊ
'DWDꢅLQꢀKROGꢀWLPH
'DWDꢅLQꢀVHWXSꢀWLPH
W'+
W'6
ꢇ
ꢇ
ꢏꢃꢊ
ꢏꢃꢊ
&/ ꢑ
&/ ꢏ
W
+=ꢀꢁꢑꢂ
ꢊꢃꢍ
ꢎ
ꢈ
ꢋ
ꢈ
ꢈ
'DWDꢅRXWꢀKLJKꢅLPSHGDQFHꢀWLPH
W+=ꢀꢁꢏꢂ
W/=
'DWDꢅRXWꢀORZꢅLPSHGDQFHꢀWLPH
'DWDꢅRXWꢀKROGꢀWLPHꢀꢁORDGꢂ
'DWDꢅRXWꢀKROGꢀWLPHꢀꢁQRꢀORDGꢂ
$FWLYHꢀWRꢀ3UHFKDUJHꢀFRPPDQG
$FWLYHꢀWRꢀ$FWLYHꢀFRPPDQGꢀSHULRG
$FWLYHꢀWRꢀ5HDGꢀRUꢀ:ULWHꢀGHOD\
5HIUHVKꢀSHULRGꢀꢁꢍꢄꢌꢉꢎꢀURZVꢂ
$XWRꢀ5HIUHVKꢀSHULRG
ꢇ
ꢑ
ꢇ
W2+
ꢏꢃꢊ
ꢇꢃꢋ
ꢊꢌ
W2+1
W5$6
W5&
ꢇꢃꢋ
ꢍꢊ
ꢋ
ꢇꢏꢌꢄꢌꢌꢌ
ꢎꢍ
ꢇꢏꢌꢄꢌꢌꢌ
ꢎꢍ
ꢋꢌ
ꢇꢌꢌ
ꢏꢌ
W5&'
W5()
W5)&
W53
ꢏꢏꢃꢊ
PV
QV
ꢋꢌ
ꢏꢏꢃꢊ
ꢇꢊ
ꢇꢌꢌ
ꢏꢌ
3UHFKDUJHꢀFRPPDQGꢀSHULRG
$FWLYHꢀEDQNꢀDꢀWRꢀ$FWLYHꢀEDQNꢀEꢀFRPPDQG
7UDQVLWLRQꢀWLPH
W55'
W7
ꢏꢌ
ꢌꢃꢑ
ꢇꢃꢏ
ꢌꢃꢑ
ꢇꢃꢏ
ꢉ
W:5ꢀꢁDꢂ
ꢇꢀ&/.ꢀꢐꢀ
ꢈꢃꢊ QV
ꢇꢀ&/.ꢀꢐꢀ
ꢊQV
²
ꢇꢌ
:ULWHꢀUHFRYHU\ꢀWLPH
W:5ꢀꢁPꢂ
ꢇꢊ
ꢋꢌ
ꢇꢊ
ꢇꢇ
ꢇꢏ
QV
([LWꢀ6HOIꢀ5HIUHVKꢀWRꢀ$FWLYHꢀFRPPDQG
W;65
ꢇꢌꢌ
Ir)
ꢀꢁ 7KHꢂPLQLPXPꢂVSHFLILFDWLRQVꢂDUHꢂXVHGꢂRQO\ꢂWRꢂLQGLFDWHꢂF\FOHꢂWLPHꢂDWꢂZKLFKꢂSURSHUꢂ
RSHUDWLRQꢂRYHUꢂWKHꢂIXOOꢂWHPSHUDWXUHꢂUDQJHꢂꢏꢃꢆꢉ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂVWDQGDUGꢂSDUWVꢇꢂ
$
ꢃꢎꢈ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂ,7ꢂSDUWVꢐꢂLVꢂHQVXUHGꢁ
$
ꢆꢁ $QꢂLQLWLDOꢂSDXVHꢂRIꢂꢀꢈꢈVꢂLVꢂUHTXLUHGꢂDIWHUꢂSRZHUꢂXSꢄꢂIROORZHGꢂE\ꢂWZRꢂ$XWRꢂ5HIUHVKꢂ
FRPPDQGVꢄꢂEHIRUHꢂSURSHUꢂGHYLFHꢂRSHUDWLRQꢂLVꢂHQVXUHGꢁꢂꢏ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂ
''
''4
SRZHUHGꢂXSꢂVLPXOWDQHRXVO\ꢁꢂ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂDWꢂVDPHꢂSRWHQWLDOꢁꢐꢂ7KHꢂWZRꢂ
66
664
$XWRꢂ5HIUHVKꢂFRPPDQGꢂZDNHꢃXSVꢂVKRXOGꢂEHꢂUHSHDWHGꢂDQ\ꢂWLPHꢂWKHꢂW
TXLUHPHQWꢂLVꢂH[FHHGHGꢁ
ꢂUHIUHVKꢂUHꢃ
5()
ꢊꢁ ,QꢂDGGLWLRQꢂWRꢂPHHWLQJꢂWKHꢂWUDQVLWLRQꢂUDWHꢂVSHFLILFDWLRQꢄꢂWKHꢂFORFNꢂDQGꢂ&.(ꢂPXVWꢂ
WUDQVLWꢂEHWZHHQꢂ9 ꢂDQGꢂ9 ꢂꢏRUꢂEHWZHHQꢂ9 ꢂDQGꢂ9 ꢐꢂLQꢂDꢂPRQRWRQLFꢂPDQQHUꢁ
,+
,/
,/
,+
ꢎꢁ 2XWSXWVꢂPHDVXUHGꢂIRUꢂꢀꢁꢑ9ꢂDWꢂꢈꢁꢒ9ꢂZLWKꢂHTXLYDOHQWꢂORDGꢔ
140
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
Q
30pF
ꢉꢁ $&ꢂWLPLQJꢂDQGꢂ,''ꢂWHVWVꢂKDYHꢂ9 ꢂDQGꢂ9 ꢄꢂZLWKꢂWLPLQJꢂUHIHUHQFHGꢂWRꢂ9 ꢍꢆꢂ ꢂFURVVꢃ
,/
,+
,+
RYHUꢂSRLQWꢁꢂ,IꢂWKHꢂLQSXWꢂWUDQVLWLRQꢂWLPHꢂLVꢂORQJHUꢂWKDQꢂW
ꢄꢂWKHQꢂWKHꢂWLPLQJꢂLVꢂ
7ꢂꢏ0$;ꢐ
UHIHUHQFHGꢂDWꢂ9
ꢂDQGꢂ9
ꢂDQGꢂQRꢂORQJHUꢂDWꢂWKHꢂ9 ꢍꢆꢂFURVVRYHUꢂSRLQWꢁ
,+ꢂꢏ0,1ꢐ ,+
,/ꢂꢏ0$;ꢐ
ꢌꢁ 7KHꢂFORFNꢂIUHTXHQF\ꢂPXVWꢂUHPDLQꢂFRQVWDQWꢂꢏVWDEOHꢂFORFNꢂLVꢂGHILQHGꢂDVꢂDꢂVLJQDOꢂF\ꢃ
FOLQJꢂZLWKLQꢂWLPLQJꢂFRQVWUDLQWVꢂVSHFLILHGꢂIRUꢂWKHꢂFORFNꢂSLQꢐꢂGXULQJꢂDFFHVVꢂRUꢂSUHꢃ
FKDUJHꢂVWDWHVꢂꢏ5HDGꢄꢂ:ULWHꢄꢂLQFOXGLQJꢂW ꢄꢂDQGꢂ3UHFKDUJHꢂFRPPDQGVꢐꢁꢂ&.(ꢂPD\ꢂEHꢂ
:5
XVHGꢂWRꢂUHGXFHꢂWKHꢂGDWDꢂUDWH
ꢋꢁ W GHILQHVꢂWKHꢂWLPHꢂDWꢂZKLFKꢂWKHꢂRXWSXWꢂDFKLHYHVꢂWKHꢂRSHQꢂFLUFXLWꢂFRQGLWLRQꢇꢂLWꢂLVꢂ
+=ꢂ
QRWꢂDꢂUHIHUHQFHꢂWRꢂ9 ꢂRUꢂ9 ꢁꢂ7KHꢂODVWꢂYDOLGꢂGDWDꢂHOHPHQWꢂZLOOꢂPHHWꢂW ꢂEHIRUHꢂ
2+
2/
2+
JRLQJꢂ+LJKꢃ=ꢁ
ꢑꢁ 3DUDPHWHUꢂJXDUDQWHHGꢂE\ꢂGHVLJQꢁ
ꢒꢁ $&ꢂFKDUDFWHULVWLFVꢂDVVXPHꢂW ꢂ ꢂꢀQVꢁ
7
ꢀꢈꢁ$XWRꢂSUHFKDUJHꢂPRGHꢂRQO\ꢁꢂ0D\ꢂQRWꢂH[FHHGꢂOLPLWꢂVHWꢂIRUꢂSUHFKDUJHꢂPRGHꢁ
ꢀꢀꢁ3UHFKDUJHꢂPRGHꢂRQO\ꢁ
ꢀꢆꢁ&/.ꢂPXVWꢂEHꢂWRJJOHGꢂDꢂPLQLPXPꢂRIꢂWZRꢂWLPHVꢂGXULQJꢂWKLVꢂSHULRGꢁ
Table 48.4 AC Functional Characteristics
ꢇꢆꢉꢀꢍꢀꢇ
ꢄꢋ
3DUDPHWHU
6\PERO
8QLWV
1RWHV
5HDGꢒ:ULWHꢀFRPPDQGꢀWRꢀ5HDGꢒ:ULWHꢀFRPPDQG
&.(ꢀWRꢀFORFNꢀGLVDEOHꢀRUꢀSRZHUꢅGRZQꢀHQWU\ꢀPRGH
&.(ꢀWRꢀFORFNꢀHQDEOHꢀRUꢀSRZHUꢅGRZQꢀH[LWꢀVHWXSꢀPRGH
'40ꢀWRꢀLQSXWꢀGDWDꢀGHOD\
W&&'
W&.('
W3('
W'4'
W'40
W'4=
W':'
W'$/
W'3/
ꢇ
ꢇ
ꢇ
ꢌ
ꢌ
ꢏ
ꢌ
ꢊ
ꢏ
ꢇ
ꢇ
ꢏ
ꢏ
ꢑ
ꢏ
ꢈ
ꢋ
ꢋ
ꢈ
'40ꢀWRꢀGDWDꢀPDVNꢀGXULQJꢀ:ULWHV
ꢈ
'40ꢀWRꢀGDWDꢀKLJKꢅLPSHGDQFHꢀGXULQJꢀ5HDGV
:ULWHꢀFRPPDQGꢀWRꢀLQSXWꢀGDWDꢀGHOD\
ꢈ
ꢈ
'DWDꢅLQꢀWRꢀ$FWLYHꢀFRPPDQG
W&.
ꢉꢄꢀꢇꢌ
'DWDꢅLQꢀWRꢀ3UHFKDUJHꢀFRPPDQG
ꢇꢇꢄꢀꢇꢌ
/DVWꢀGDWDꢅLQꢀWRꢀEXUVWꢀ6WRSꢀFRPPDQG
/DVWꢀGDWDꢅLQꢀWRꢀQHZꢀ5HDGꢒ:ULWHꢀFRPPDQG
/DVWꢀGDWDꢅLQꢀWRꢀ3UHFKDUJHꢀFRPPDQG
W%'/
W&'/
W5'/
W05'
ꢈ
ꢈ
ꢇꢇꢄꢀꢇꢌ
ꢇꢏ
/RDGꢀ0RGHꢀ5HJLVWHUꢀFRPPDQGꢀWRꢀ$FWLYHꢀRUꢀ5HIUHVKꢀFRPPDQG
&/ꢀ ꢀꢑ
&/ꢀ ꢀꢏ
W
52+ꢀꢁꢑꢂ
52+ꢀꢁꢏꢂ
ꢈ
'DWDꢅRXWꢀWRꢀKLJKꢅLPSHGDQFHꢀIURPꢀ3UHFKDUJHꢀFRPPDQG
W
ꢈ
Ir)
ꢀꢁ 7KHꢂPLQLPXPꢂVSHFLILFDWLRQVꢂDUHꢂXVHGꢂRQO\ꢂWRꢂLQGLFDWHꢂF\FOHꢂWLPHꢂDWꢂZKLFKꢂSURSHUꢂ
RSHUDWLRQꢂRYHUꢂWKHꢂIXOOꢂWHPSHUDWXUHꢂUDQJHꢂꢏꢃꢆꢉ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂVWDQGDUGꢂSDUWVꢇꢂ
$
ꢃꢎꢈ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂ,7ꢂSDUWVꢐꢂLVꢂHQVXUHGꢁ
$
ꢆꢁ $QꢂLQLWLDOꢂSDXVHꢂRIꢂꢀꢈꢈVꢂLVꢂUHTXLUHGꢂDIWHUꢂSRZHUꢂXSꢄꢂIROORZHGꢂE\ꢂWZRꢂ$XWRꢂ5HIUHVKꢂ
FRPPDQGVꢄꢂEHIRUHꢂSURSHUꢂGHYLFHꢂRSHUDWLRQꢂLVꢂHQVXUHGꢁꢂꢏ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂ
''
''4
SRZHUHGꢂXSꢂVLPXOWDQHRXVO\ꢁꢂ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂDWꢂVDPHꢂSRWHQWLDOꢁꢐꢂ7KHꢂWZRꢂ
66
664
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
141
P r e l i m i n a r y
$XWRꢂ5HIUHVKꢂFRPPDQGꢂZDNHꢃXSVꢂVKRXOGꢂEHꢂUHSHDWHGꢂDQ\ꢂWLPHꢂWKHꢂW
TXLUHPHQWꢂLVꢂH[FHHGHGꢁ
ꢂUHIUHVKꢂUHꢃ
5()
ꢊꢁ $&ꢂFKDUDFWHULVWLFVꢂDVVXPHꢂW ꢂ ꢂꢀQVꢁ
7
ꢎꢁ ,QꢂDGGLWLRQꢂWRꢂPHHWLQJꢂWKHꢂWUDQVLWLRQꢂUDWHꢂVSHFLILFDWLRQꢄꢂWKHꢂFORFNꢂDQGꢂ&.(ꢂPXVWꢂ
WUDQVLWꢂEHWZHHQꢂ9 ꢂDQGꢂ9 ꢂꢏRUꢂEHWZHHQꢂ9 ꢂDQGꢂ9 ꢐꢂLQꢂDꢂPRQRWRQLFꢂPDQQHUꢁ
,+
,/
,/
,+
ꢉꢁ 2XWSXWVꢂPHDVXUHGꢂIRUꢂꢀꢁꢑ9ꢂDWꢂꢈꢁꢒ9ꢂZLWKꢂHTXLYDOHQWꢂORDGꢔ
Q
30pF
ꢌꢁ $&ꢂWLPLQJꢂDQGꢂ, ꢂWHVWVꢂKDYHꢂ9 ꢂDQGꢂ9 ꢄꢂZLWKꢂWLPLQJꢂUHIHUHQFHGꢂWRꢂ9,+ꢍꢆꢂ ꢂFURVVꢃ
''
,/
,+
RYHUꢂSRLQWꢁꢂ,IꢂWKHꢂLQSXWꢂWUDQVLWLRQꢂWLPHꢂLVꢂORQJHUꢂWKDQꢂW
ꢄꢂWKHQꢂWKHꢂWLPLQJꢂLVꢂ
7ꢂꢏ0$;ꢐ
UHIHUHQFHGꢂDWꢂ9
ꢂDQGꢂ9
ꢂDQGꢂQRꢂORQJHUꢂDWꢂWKHꢂ9 ꢍꢆꢂFURVVRYHUꢂSRLQWꢁ
,+ꢂꢏ0,1ꢐ ,+
,/ꢂꢏ0$;ꢐ
ꢋꢁ 5HTXLUHGꢂFORFNVꢂDUHꢂVSHFLILHGꢂE\ꢂ-('(&ꢂIXQFWLRQDOLW\ꢂDQGꢂDUHꢂQRWꢂGHSHQGHQWꢂRQꢂDQ\ꢂ
WLPLQJꢂSDUDPHWHUꢁ
ꢑꢁ 7LPLQJꢂDFWXDOO\ꢂVSHFLILHGꢂE\ꢂW
PXPꢂF\FOHꢂUDWHꢁ
ꢇꢂFORFNꢏVꢐꢂVSHFLILHGꢂDVꢂDꢂUHIHUHQFHꢂRQO\ꢂDWꢂPLQLꢃ
&.6
ꢒꢁ 7LPLQJꢂDFWXDOO\ꢂVSHFLILHGꢂE\ꢂW ꢂSOXVꢂW ꢇꢂFORFNꢏVꢐꢂVSHFLILHGꢂDVꢂDꢂUHIHUHQFHꢂRQO\ꢂDWꢂ
:5
53
PLQLPXPꢂF\FOHꢂUDWHꢁ
ꢀꢈꢁ%DVHGꢂRQꢂW ꢂ ꢂꢒꢁꢌQVꢂIRUꢂꢃꢀꢈꢁ
&.
ꢀꢀꢁ7LPLQJꢂDFWXDOO\ꢂVSHFLILHGꢂE\ꢂW
ꢁ
:5
ꢀꢆꢁ-('(&ꢂDQGꢂ3&ꢀꢈꢈꢂVSHFLI\ꢂWKUHHꢂFORFNVꢁ
Table 48.5 IDD Specifications and Conditions
ꢇꢆꢉ
ꢇꢄꢋ
6\PER
O
3DUDPHWHUꢌ&RQGLWLRQ
8QLWV
1RWHV
0D[
0D[
2SHUDWLQJꢀ&XUUHQWꢆꢀ$FWLYHꢀ0RGHꢕ
,
,
ꢊꢌ
ꢊꢌ
P$
$
ꢎꢄꢀꢈꢄꢀꢋꢄꢀꢉ
ꢉ
''ꢇ
%XUVWꢀ ꢀꢏꢕꢀ5HDGꢀRUꢀ:ULWHꢕꢀW5&ꢀ ꢀW5&ꢀꢁ0,1ꢂ
6WDQGE\ꢀ&XUUHQWꢆꢀ3RZHUꢅ'RZQꢀ0RGHꢕꢀ$OOꢀEDQNVꢀLGOHꢕꢀ&.(ꢀ ꢀ/RZ
ꢏꢏꢌ
ꢇꢊꢌ
''ꢏ
6WDQGE\ꢀ&XUUHQWꢆꢀ$FWLYHꢀ0RGHꢕ
&.(ꢀ ꢀ+LJKꢕꢀ&6ꢔꢀ ꢀ+LJKꢕꢀ$OOꢀEDQNVꢀDFWLYHꢀDIWHUꢀW5&'ꢀPHWꢕ
1RꢀDFFHVVHVꢀLQꢀSURJUHVV
,
ꢊ
ꢑꢌ
ꢎꢄꢀꢇꢏꢄꢀꢋꢄꢀꢉ
ꢎꢄꢀꢈꢄꢀꢋꢄꢀꢉ
''ꢑ
2SHUDWLQJꢀ&XUUHQWꢆꢀ%XUVWꢀ0RGHꢕꢀ&RQWLQXRXVꢀEXUVWꢕ
5HDGꢀRUꢀ:ULWHꢕꢀ$OOꢀEDQNVꢀDFWLYH
,
,
,
ꢊꢌ
ꢋꢌ
''ꢍ
''ꢊ
''ꢎ
P$
$
W
5&ꢀ ꢀW5)&ꢀ
ꢇꢌꢊ
ꢇꢏꢌ
$XWRꢀ5HIUHVKꢀ&XUUHQW
&.(ꢀ ꢀ+LJKꢕꢀ&6ꢔꢀ ꢀ+LJK
ꢁ0,1ꢂ
ꢎꢄꢀꢇꢏꢄꢀꢈꢄꢀꢋꢄꢀꢉꢄꢀꢇꢌ
ꢇꢇ
W5)&ꢀ ꢀ
ꢇꢊꢃꢎꢏꢊV
ꢑ
ꢏ
'HHSꢀ3RZHUꢀ'RZQ
,
ꢇꢌ
ꢇꢌ
==
Ir)
ꢀꢁ $OOꢂYROWDJHVꢂUHIHUHQFHGꢂWRꢂ9 ꢁꢂ9 ꢂ ꢂ9 ꢂ ꢂꢓꢀꢁꢑ9ꢂꢈꢁꢀ9ꢁ
''4
66
''
ꢆꢁ 7KHꢂPLQLPXPꢂVSHFLILFDWLRQVꢂDUHꢂXVHGꢂRQO\ꢂWRꢂLQGLFDWHꢂF\FOHꢂWLPHꢂDWꢂZKLFKꢂSURSHUꢂ
RSHUDWLRQꢂRYHUꢂWKHꢂIXOOꢂWHPSHUDWXUHꢂUDQJHꢂꢏꢃꢆꢉ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂVWDQGDUGꢂSDUWVꢇꢂ
$
ꢃꢎꢈ&ꢂ≤ꢂ7 ꢂ≤ꢂꢓꢑꢉ&ꢂIRUꢂ,7ꢂSDUWVꢐꢂLVꢂHQVXUHGꢁ
$
ꢊꢁ $QꢂLQLWLDOꢂSDXVHꢂRIꢂꢀꢈꢈVꢂLVꢂUHTXLUHGꢂDIWHUꢂSRZHUꢂXSꢄꢂIROORZHGꢂE\ꢂWZRꢂ$XWRꢂ5HIUHVKꢂ
FRPPDQGVꢄꢂEHIRUHꢂSURSHUꢂGHYLFHꢂRSHUDWLRQꢂLVꢂHQVXUHGꢁꢂꢏ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂ
''
''4
SRZHUHGꢂXSꢂVLPXOWDQHRXVO\ꢁꢂ9 ꢂDQGꢂ9
ꢂPXVWꢂEHꢂDWꢂVDPHꢂSRWHQWLDOꢁꢐꢂ7KHꢂWZRꢂ
66
664
142
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
$XWRꢂ5HIUHVKꢂFRPPDQGꢂZDNHꢃXSVꢂVKRXOGꢂEHꢂUHSHDWHGꢂDQ\ꢂWLPHꢂWKHꢂW
TXLUHPHQWꢂLVꢂH[FHHGHGꢁ
ꢂUHIUHVKꢂUHꢃ
5()
ꢎꢁ $&ꢂWLPLQJꢂDQGꢂ, ꢂWHVWVꢂKDYHꢂ9 ꢂDQGꢂ9 ꢄꢂZLWKꢂWLPLQJꢂUHIHUHQFHGꢂWRꢂ9,+ꢍꢆꢂ ꢂFURVVꢃ
''
,/
,+
RYHUꢂSRLQWꢁꢂ,IꢂWKHꢂLQSXWꢂWUDQVLWLRQꢂWLPHꢂLVꢂORQJHUꢂWKDQꢂW
ꢄꢂWKHQꢂWKHꢂWLPLQJꢂLVꢂ
7ꢂꢏ0$;ꢐ
UHIHUHQFHGꢂDWꢂ9
ꢂDQGꢂ9
ꢂDQGꢂQRꢂORQJHUꢂDWꢂWKHꢂ9 ꢍꢆꢂFURVVRYHUꢂSRLQWꢁ
,+ꢂꢏ0,1ꢐ ,+
,/ꢂꢏ0$;ꢐ
ꢉꢁ , ꢂVSHFLILFDWLRQVꢂDUHꢂWHVWHGꢂDIWHUꢂWKHꢂGHYLFHꢂLVꢂSURSHUO\ꢂLQLWLDOL]HGꢁ
''
ꢌꢁ , ꢂLVꢂGHSHQGHQWꢂRQꢂRXWSXWꢂORDGLQJꢂDQGꢂF\FOHꢂUDWHVꢁꢂ6SHFLILHGꢂYDOXHVꢂDUHꢂREWDLQHGꢂ
''
ZLWKꢂPLQLPXPꢂF\FOHꢂWLPHꢂDQGꢂWKHꢂRXWSXWVꢂRSHQꢁ
ꢋꢁ 7KHꢂ, ꢂFXUUHQWꢂZLOOꢂLQFUHDVHꢂRUꢂGHFUHDVHꢂSURSRUWLRQDOO\ꢂDFFRUGLQJꢂWRꢂWKHꢂDPRXQWꢂ
''
RIꢂIUHTXHQF\ꢂDOWHUDWLRQꢂIRUꢂWKHꢂWHVWꢂFRQGLWLRQꢁ
ꢑꢁ $GGUHVVꢂWUDQVLWLRQVꢂDYHUDJHꢂRQHꢂWUDQVLWLRQꢂHYHU\ꢂWZRꢂFORFNVꢁ
ꢒꢁ )RUꢂꢃꢀꢈꢄꢂ&/ꢂ ꢂꢊꢂDQGꢂW ꢂ ꢂꢒꢁꢌQVꢁ
&.
ꢀꢈꢁ&.(ꢂLVꢂ+LJKꢂGXULQJꢂUHIUHVKꢂFRPPDQGꢂSHULRGꢂW
ꢂHOVHꢂ&.(ꢂLVꢂ/RZꢁꢂ7KHꢂ,
ꢂ
5)&ꢂꢏ0,1ꢐ
''ꢌ
OLPLWꢂLVꢂDFWXDOO\ꢂDꢂQRPLQDOꢂYDOXHꢂDQGꢂGRHVꢂQRWꢂUHVXOWꢂLQꢂDꢂIDLOꢂYDOXHꢁ
ꢀꢀꢁ'HHSꢂSRZHUꢂGRZQꢂFXUUHQWꢂLVꢂDꢂQRPLQDOꢂYDOXHꢂDWꢂꢆꢉ&ꢁꢂ7KHꢂSDUDPHWHUꢂLVꢂQRWꢂWHVWHGꢁ
Table 48.6 IDD7 - Self Refresh Current Options
7HPSHUDWXUHꢀ&RPSHQVDWHGꢀ6HOIꢀ5HIUHVK
3DUDPHWHUꢌ&RQGLWLRQ
0D[ꢀ
7HPSHUDWXUH
ꢇꢆꢉ
ꢇꢄꢋ
8QLWV
1RWHV
ꢋꢊ&
ꢈꢌ&
ꢍꢊ&
ꢇꢊ&
ꢋꢊ&
ꢈꢌ&
ꢍꢊ&
ꢇꢊ&
ꢋꢊ&
ꢈꢌ&
ꢍꢊ&
ꢇꢊ&
ꢋꢊ&
ꢈꢌ&
ꢍꢊ&
ꢇꢊ&
ꢋꢊ&
ꢈꢌ&
ꢍꢊ&
ꢇꢊ&
ꢏꢏꢌ
ꢇꢈꢊ
ꢇꢊꢌ
ꢇꢏꢊ
ꢇꢎꢌ
ꢇꢏꢊ
ꢇꢏꢊ
ꢋꢊ
ꢏꢌꢌ
ꢇꢎꢌ
ꢇꢍꢌ
ꢇꢏꢌ
ꢇꢎꢌ
ꢇꢑꢌ
ꢇꢏꢌ
ꢇꢇꢌ
ꢇꢑꢌ
ꢇꢏꢌ
ꢇꢇꢌ
ꢇꢌꢌ
ꢇꢏꢌ
ꢇꢇꢌ
ꢇꢌꢌ
ꢉꢌ
6HOIꢀ5HIUHVKꢀ&XUUHQWꢆ
&.(ꢀꢙꢀꢌꢃꢏ9ꢀ±ꢀꢍꢀ%DQNVꢀ2SHQ
6HOIꢀ5HIUHVKꢀ&XUUHQWꢆ
&.(ꢀꢙꢀꢌꢃꢏ9ꢀ±ꢀꢏꢀ%DQNVꢀ2SHQ
ꢇꢑꢌ
ꢇꢌꢊ
ꢉꢌ
6HOIꢀ5HIUHVKꢀ&XUUHQWꢆ
&.(ꢀꢙꢀꢌꢃꢏ9ꢀ±ꢀꢇꢀ%DQNꢀ2SHQ
$
ꢏ
ꢈꢊ
7%'
7%'
7%'
7%'
7%'
7%'
7%'
7%'
6HOIꢀ5HIUHVKꢀ&XUUHQWꢆ
&.(ꢀꢙꢀꢌꢃꢏ9ꢀ±ꢀꢇꢒꢏꢀ%DQNꢀ2SHQ
ꢇꢇꢊ
ꢇꢌꢊ
ꢉꢊ
6HOIꢀ5HIUHVKꢀ&XUUHQWꢆ
&.(ꢀꢙꢀꢌꢃꢏ9ꢀ±ꢀꢇꢒꢍꢀ%DQNꢀ2SHQ
ꢉꢌ
Ir)
ꢀꢁ 9 ꢂ ꢂ9
ꢂ ꢂꢓꢀꢁꢑ9ꢂꢈꢁꢀ9ꢁ
''4
''
ꢆꢁ (QDEOHVꢂRQꢃFKLSꢂUHIUHVKꢂDQGꢂDGGUHVVꢂFRXQWHUVꢁ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
143
P r e l i m i n a r y
Table 48.7 Capacitance
Parameter
Symbol
Min
ꢇꢃꢊ
ꢇꢃꢊ
ꢑꢃꢌ
Max
ꢍꢃꢌ
ꢍꢃꢌ
ꢎꢃꢌ
Units Notes
,QSXWꢀ&DSDFLWDQFHꢆꢀ&/.
&
&
S)
S)
S)
ꢏꢏꢉ
ꢑ
,ꢇ
,ꢏ
,2
,QSXWꢀ&DSDFLWDQFHꢆꢀ$OOꢀRWKHUꢀLQSXWꢅRQO\ꢀSLQV
,QSXWꢒ2XWSXWꢀ&DSDFLWDQFHꢆꢀ'4
&
ꢍ
Ir)
ꢀꢁ 7KLVꢂSDUDPHWHUꢂLVꢂVDPSOHGꢁꢂ9 ꢄꢂ9
ꢂ ꢂꢓꢀꢁꢑ9ꢇꢂ7$ꢂ ꢂꢆꢉ&ꢇꢂSLQꢂXQGHUꢂWHVWꢂELDVHGꢂ
''
''4
DWꢂꢀꢁꢎ9ꢁꢂIꢂ ꢂꢀꢂ0+]ꢁ
ꢆꢁ 3&ꢀꢈꢈꢂVSHFLILHVꢂDꢂPD[LPXPꢂRIꢂꢎS)ꢁ
ꢊꢁ 3&ꢀꢈꢈꢂVSHFLILHVꢂDꢂPD[LPXPꢂRIꢂꢉS)ꢁ
ꢎꢁ 3&ꢀꢈꢈꢂVSHFLILHVꢂDꢂPD[LPXPꢂRIꢂꢌꢁꢉS)
T1
T0
T3
T5
T7
T9
T19
T29
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
CLK
t
CK
t
t
CKS CKH
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
CKE
COMMAND5
t
t
CMS CMH
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
4
4
3
4
4
4
NOP
PRE
LMR
LMR
PRE
AR
AR
ACT
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
DQML, DQMU
t
t
AS AH
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
A0-A9, A11
A10
CODE
CODE
CODE
RA
RA
BA
ALL BANKS
ALL BANKS
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
CODE
t
AS
t
AH
t
t
AH
t
t
AS
AS
AH
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
BA0 = L,
BA1 = H
BA0 = L,
BA1 = L
BA0, BA1
DQ
High-Z
((
))
((
))
((
))
((
))
((
))
((
))
((
))
T = 100μs
t
t
t
t
RP
t
t
RFC
RP
MRD
MRD
RFC
Power-up:
VDD and
CLK stable
Load Extended
Mode Register
Load Mode
Register
DON’T CARE
Figure 48.1 Initialize and Load Mode Register
Ir)
ꢀꢁ 7KHꢂWZRꢂ$XWRꢂ5HIUHVKꢂFRPPDQGVꢂDWꢂ7ꢒꢂDQGꢂ7ꢀꢒꢂPD\ꢂEHꢂDSSOLHGꢂEHIRUHꢂHLWKHUꢂ/RDGꢂ
0RGHꢂ5HJLVWHUꢂꢏ/05ꢐꢂFRPPDQGꢁ
ꢆꢁ 35(ꢂ ꢂ3UHFKDUJHꢂFRPPDQGꢄꢂ/05ꢂ ꢂ/RDGꢂ0RGHꢂ5HJLVWHUꢂFRPPDQGꢄꢂ$5ꢂ ꢂ$XWRꢂ5Hꢃ
IUHVKꢂFRPPDQGꢄꢂ$&7ꢂ ꢂ$FWLYHꢂFRPPDQGꢄꢂ5$ꢂ ꢂ5RZꢂ$GGUHVVꢄꢂ%$ꢂ ꢂ%DQNꢂ$GGUHVVꢁ
ꢊꢁ 2SWLRQDOꢂUHIUHVKꢂFRPPDQGꢁ
ꢎꢁ 7KHꢂ/RDGꢂ0RGHꢂ5HJLVWHUꢂIRUꢂERWKꢂ05ꢍ(05ꢂDQGꢂꢆꢂ$XWRꢂ5HIUHVKꢂFRPPDQGVꢂFDQꢂEHꢂ
LQꢂDQ\ꢂRUGHUꢁꢂ+RZHYHUꢄꢂDOOꢂPXVWꢂRFFXUꢂSULRUꢂWRꢂDQꢂ$FWLYHꢂFRPPDQGꢁ
ꢉꢁ 'HYLFHꢂWLPLQJꢂLVꢂꢃꢀꢈꢂZLWKꢂꢀꢈꢎꢂ0+]ꢂFORFNꢁ
144
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
Tn + 1
Tn + 2
((
))
((
))
t
CK
t
CL
CLK
CKE
t
CH
t
t
CKS
CKS
((
))
t
t
CKS CKH
t
t
CMS CMH
((
))
((
))
COMMAND
PRECHARGE
NOP
NOP
NOP
ACTIVE
((
))
((
))
DQML, DQMU
((
))
((
))
A0-A9, A11
A10
ROW
ROW
ALL BANKS
((
))
((
))
SINGLE BANK
t
t
AS AH
((
))
((
))
BA0, BA1
DQ
BANK
BANK(S)
High-Z
((
))
Two clock cycles
Input buffers gated off while in
power-down mode
Precharge all
active banks
All banks idle
All banks idle, enter
power-down mode
Exit power-down mode
DON’T CARE
Figure 48.2. Power Down Mode
Ir)ꢂ9LRODWLQJꢂUHIUHVKꢂUHTXLUHPHQWVꢂGXULQJꢂSRZHUꢃGRZQꢂPD\ꢂUHVXOWꢂLQꢂDꢂORVVꢂRIꢂGDWDꢁ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
145
P r e l i m i n a r y
MOBILE SDRAM
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
t
CK
t
CL
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CKS CKH
t
t
CMS
CMH
COMMAND
READ
NOP
NOP
NOP
NOP
NOP
WRITE
NOP
t
t
CMS
CMH
DQMU, DQML
A0-A9, A11
t
t
AH
AS
2
2
COLUMNm
COLUMNe
t
AS
t
AH
A10
t
AS
t
AH
BA0, BA1
BANK
BANK
t
AC
t
AC
t
OH
t
HZ
t
DS
t
DH
DOUT
m
DOUT m + 1
DOUT
e
DOUT e + 1
DQ
t
LZ
DON’T CARE
UNDEFINED
Figure 48.3. Clock Suspend Mode
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢆꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢊꢄꢂDQGꢂDXWRꢂSUHFKDUJHꢂ
LVꢂGLVDEOHGꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
146
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
Tn + 1
CL
To + 1
((
))
((
))
t
CLK
CKE
t
t
((
((
CK
CH
))
))
((
))
((
))
t
t
CKS
CKH
t
t
CMS
CMH
((
))
((
))
AUTO
REFRESH
AUTO
REFRESH
COMMAND
PRECHARGE
NOP
NOP
NOP
NOP
NOP
ACTIVE
((
((
))
))
((
))
((
))
DQMU, DQML
((
((
))
))
((
))
((
))
((
))
((
))
A0-A9, A11
A10
ROW
ROW
ALL BANKS
((
))
((
))
((
))
((
))
SINGLE BANK
t
t
AH
AS
((
))
((
))
BA0, BA1
DQ
BANK(S)
BANK
((
((
))
))
High-Z
((
))
((
))
t
t
t
RFC
1
1
RP
RFC
Precharge all
active banks
DON’T CARE
Figure 48.4. Auto Refresh Mode
Ir)ꢂ(DFKꢂ$XWRꢂ5HIUHVKꢂFRPPDQGꢂSHUIRUPVꢂDꢂUHIUHVKꢂF\FOHꢁꢂ%DFNꢃWRꢃEDFNꢂFRPꢃ
PDQGVꢂDUHꢂQRWꢂUHTXLUHGꢁ
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
147
P r e l i m i n a r y
T0
T1
T2
Tn + 1
((
To + 1
To + 2
((
))
t
CL
))
CLK
CKE
t
((
))
((
))
t
CK
CH
t
> t
CKS
RAS
((
))
((
))
((
))
t
t
CKS CKH
t
t
CMS
CMH
((
((
))
((
))
))
AUTO
REFRESH
AUTO
REFRESH
COMMAND
PRECHARGE
NOP
NOP
((
))
((
))
((
))
((
))
((
))
DQMU, DQML
((
))
((
))
((
))
((
))
A0-A9, A11
A10
ALL BANKS
((
))
((
))
((
))
((
))
SINGLE BANK
t
t
AS AH
((
))
((
))
((
))
((
))
BA0, BA1
DQ
BANK(S)
High-Z
((
))
((
))
t
t
RP
XSR
Precharge all
active banks
Enter self refresh mode
Exit self refresh mode
(Restart refresh time base)
DON’T CARE
CLK stable prior to exiting
self refresh mode
Figure 48.5. Self Refresh Mode
Ir)ꢂ(DFKꢂ$XWRꢂ5HIUHVKꢂFRPPDQGꢂSHUIRUPVꢂDꢂUHIUHVKꢂF\FOHꢁꢂ%DFNꢃWRꢃEDFNꢂFRPꢃ
PDQGVꢂDUHꢂQRWꢂUHTXLUHGꢁ
148
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
t
CK
t
CL
CLK
t
CH
t
t
CKS CKH
CKE
t
t
CMS CMH
COMMAND
ACTIVE
NOP
READ
NOP
NOP
NOP
PRECHARGE
NOP
ACTIVE
ROW
t
t
CMS CMH
DQMU, DQML
A0-A9, A11
t
t
AH
AS
2
ROW
COLUMNm
t
AS
t
AH
ALL BANKS
ROW
ROW
A10
SINGLE BANKS
BANK(S)
DISABLE AUTO PRECHARGE
BANK
t
AS
t
AH
BA0, BA1
BANK
BANK
t
AC
t
AC
t
AC
t
AC
t
t
t
t
OH
OH
OH
OH
DOUT
m
DOUT m+1
D
OUT m+2
DOUT m+3
DQ
t
LZ
t
HZ
t
t
RP
RCD
CAS Latency
t
RAS
t
RC
DON’T CARE
UNDEFINED
Figure 48.6. Read - Without Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢄꢂDQGꢂWKHꢂ5HDGꢂEXUVWꢂ
LVꢂIROORZHGꢂE\ꢂDꢂ³PDQXDO´ꢂ3UHFKDUJHꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
149
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS CMH
COMMAND
DQMU, DQML
A0-A9, A11
ACTIVE
NOP
READ
NOP
NOP
NOP
NOP
NOP
ACTIVE
t
t
CMS
CMH
t
t
AH
AS
2
ROW
ROW
COLUMNm
t
t
AH
AS
ENABLE AUTO PRECHARGE
ROW
ROW
A10
t
t
AH
AS
BA0, BA1
BANK
BANK
BANK
t
t
t
AC
AC
AC
t
AC
t
t
t
t
OH
OH
OH
OH
DOUT
m
DOUT
m
+ 1
DOUT
m
+ 2
DOUT m
+ 3
DQ
t
LZ
t
HZ
t
t
RCD
CAS Latency
RP
t
RAS
t
RC
DON’T CARE
UNDEFINED
Figure 48.7. Read - With Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
150
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
t
t
CL
CK
CLK
t
CH
t
t
CKS CKH
CKE
t
t
CMS CMH
3
3
COMMAND
PRECHARGE
ACTIVE
NOP
READ
NOP
NOP
NOP
ACTIVE
ROW
NOP
t
t
CMS CMH
DQMU, DQML
A0-A9, A11
t
t
AH
AS
2
ROW
COLUMNm
t
t
AH
AS
ALL BANKS
ROW
ROW
A10
DISABLE AUTO PRECHARGE
BANK
SINGLE BANKS
BANK(S)
t
t
AH
AS
BA0, BA1
BANK
BANK
t
t
OH
AC
D
OUT m
DQ
t
LZ
t
HZ
t
t
RCD
CAS Latency
RP
t
RAS
t
RC
DON’T CARE
UNDEFINED
Figure 48.8. Single Read - Without Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢄꢂDQGꢂWKHꢂ5HDGꢂEXUVWꢂ
LVꢂIROORZHGꢂE\ꢂDꢂ³PDQXDO´ꢂ3UHFKDUJHꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢊꢁ 3UHFKDUJHꢂFRPPDQGꢂQRWꢂDOORZHGꢂRUꢂW
ꢂZRXOGꢂEHꢂYLRODWHGꢁ
5$6
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
151
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
t
CK
t
CL
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS CMH
3
3
COMMAND
DQMU, DQML
A0-A9, A11
ACTIVE
NOP
NOP
NOP
READ
NOP
NOP
ACTIVE
NOP
t
t
CMS
CMH
t
t
AH
AS
2
ROW
ROW
COLUMNm
t
AS
t
AH
ENABLE AUTO PRECHARGE
ROW
ROW
A10
t
AS
t
AH
BA0, BA1
BANK
BANK
BANK
t
AC
t
OH
DOUT
m
t
DQ
t
CAS Latency
RCD
HZ
t
t
RP
RAS
t
RC
DON’T CARE
UNDEFINED
Figure 48.9. Single Read - With Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢄꢂDQGꢂWKHꢂ5HDGꢂEXUVWꢂ
LVꢂIROORZHGꢂE\ꢂDꢂ³PDQXDO´ꢂ3UHFKDUJHꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢊꢁ 3UHFKDUJHꢂFRPPDQGꢂQRWꢂDOORZHGꢂRUꢂW
ꢂZRXOGꢂEHꢂYLRODWHGꢁ
5$6
152
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
t
CK
t
CL
CLK
t
CH
t
t
CKS CKH
CKE
COMMAND
t
t
CMS
CMH
ACTIVE
NOP
READ
NOP
ACTIVE
NOP
READ
NOP
ACTIVE
t
t
CMS
CMH
DQMU, DQML
A0-A9, A11
t
AS
t
AH
2
2
ROW
ROW
ROW
COLUMNm
COLUMNb
t
AS
t
AH
ENABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
ROW
ROW
ROW
A10
t
AS
t
AH
BA0, BA1
BANK 0
BANK 0
BANK 3
BANK 3
BANK 0
t
AC
t
AC
t
AC
t
AC
t
AC
t
AC
t
OH
t
OH
t
OH
t
OH
t
OH
DOUT
m
DOUT m +
1
DOUT m +
2
DOUT m+
3
DOUT b
DQ
t
LZ
t
t
RCD - BANK 0
t
RCD - BANK 0
CAS Latency - BANK 0
RP - BANK 0
t
RAS - BANK 0
t
RC - BANK 0
t
t
RCD - BANK 3
CAS Latency - BANK 3
RRD
DON’T CARE
UNDEFINED
Figure 48.10. Alternating Bank Read Accesses
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
153
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
Tn + 1
Tn + 2
Tn + 3
Tn + 4
((
))
((
))
t
CL
t
CK
CLK
t
CH
t
t
CKS CKH
((
))
CKE
((
))
t
t
CMS
CMH
((
))
((
))
COMMAND
ACTIVE
NOP
READ
t
NOP
NOP
NOP
NOP
NOP
BURST TERM
NOP
NOP
t
CMS
CMH
((
))
DQMU, DQML
A0-A9, A11
((
))
t
AS
t
AH
((
))
((
))
2
ROW
COLUMN m
t
AS
t
AH
((
))
((
))
ROW
A10
t
AS
t
AH
((
))
((
))
BA0, BA1
BANK
BANK
t
t
t
t
t
AC
AC
AC
AC ((
AC
))
t
AC
t
t
t
OH
t
t
t
OH
OH
OH
OH
OH
((
))
((
))
DOUT
m
D
OUT m+1
D
OUT m+2
D
OUT m-1
DOUT
m
DOUT m+1
DQ
t
LZ
t
HZ
256 (x16) locations within same row
t
RCD
CAS Latency
Full page completed
DON’T CARE
UNDEFINED
Full-page burst does not self-terminate.
Can use BURST TERMINATE command.3
Figure 48.11. Read - Full-Page Burst
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢊꢁ 3DJHꢂOHIWꢂRSHQꢇꢂQRꢂW
ꢁ
53
154
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
t
t
CL
CK
CLK
t
CH
t
t
CKS CKH
CKE
t
t
CMS
CMH
COMMAND
ACTIVE
NOP
READ
t
NOP
NOP
NOP
NOP
NOP
NOP
t
CMS CMH
DQMU, DQML
t
t
AS AH
2
A0-A9, A11
A10
ROW
COLUMNm
t
t
AS AH
ENABLE AUTO PRECHARGE
ROW
DISABLE AUTO PRECHARGE
BANK
t
t
AS AH
BA0, BA1
BANK
t
AC
t
t
t
t
t
OH
AC
OH
AC
OH
D
OUT
m
DOUT m + 2
DOUT m + 3
DQ
t
LZ
t
t
t
HZ
LZ
HZ
t
RCD
CAS Latency
DON’T CARE
UNDEFINED
Figure 48.12. Read - DQM Operation
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂ&$6ꢂODWHQF\ꢂ ꢂꢆꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
155
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS
CMH
COMMAND
NOP
ACTIVE
NOP
WRITE
NOP
NOP
NOP
PRECHARGE
NOP
ACTIVE
t
t
CMS
CMH
DQMU, DQML
A0-A9, A11
t
t
t
t
AH
AS
3
ROW
t
ROW
ROW
BANK
COLUMN m
AS
AH
ALL BANKS
ROW
t
A10
DISABLE AUTO PRECHARGE
BANK
SINGLE BANK
BANK
AS
AH
BA0, BA1
BANK
t
t
t
t
t
t
t
t
DH
DS
DH
DS
DH
DS
DH
DS
DIN
m
DINm+ 1
DINm+ 2
DINm+ 3
DQ
2
t
t
t
RCD
RP
WR
t
RAS
t
RC
DON’T CARE
Figure 48.13. Write - Without Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢄꢂDQGꢂWKHꢂ:ULWHꢂEXUVWꢂLVꢂIROORZHGꢂE\ꢂDꢂ
³PDQXDO´ꢂ3UHFKDUJHꢁ
ꢆꢁ ꢀꢉQVꢂLVꢂUHTXLUHGꢂEHWZHHQꢂꢕ',1ꢂPꢂꢓꢂꢊ!ꢂDQGꢂWKHꢂ3UHFKDUJHꢂFRPPDQGꢄꢂUHJDUGOHVVꢂ
RIꢂIUHTXHQF\ꢁ
ꢊꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS
CMH
COMMAND
DQMU, DQML
A0-A9, A11
ACTIVE
NOP
WRITE
NOP
NOP
NOP
NOP
NOP
NOP
ACTIVE
t
t
CMS
CMH
t
t
t
t
AH
AS
2
ROW
t
ROW
ROW
BANK
COLUMN m
AS
AH
ENABLE AUTO PRECHARGE
ROW
t
A10
AS
AH
BA0, BA1
BANK
BANK
t
t
t
t
t
t
t
t
DS
DH
DS
DH
DS
DH
DS
DH
DIN
m
DINm+ 1
DINm+ 2
DINm+ 3
DQ
t
t
RP
t
RCD
WR
t
RAS
t
RC
DON’T CARE
Figure 48.14. Write - With Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
156
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS
CMH
COMMAND
NOP
ACTIVE
NOP
WRITE
NOP
NOP
NOP
PRECHARGE
NOP
ACTIVE
t
t
CMS
CMH
DQMU, DQML
A0-A9, A11
t
t
t
t
AH
AS
3
ROW
t
ROW
ROW
BANK
COLUMN m
AS
AH
ALL BANKS
ROW
t
A10
DISABLE AUTO PRECHARGE
BANK
SINGLE BANK
BANK
AS
AH
BA0, BA1
BANK
t
t
t
t
t
t
t
t
DH
DS
DH
DS
DH
DS
DH
DS
DIN
m
DINm+ 1
DINm+ 2
DINm+ 3
DQ
2
t
t
t
RCD
RP
WR
t
RAS
t
RC
DON’T CARE
Figure 48.15. Single Write - Without Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢀꢄꢂDQGꢂWKHꢂ:ULWHꢂEXUVWꢂLVꢂIROORZHGꢂE\ꢂDꢂ
³PDQXDO´ꢂ3UHFKDUJHꢁ
ꢆꢁ ꢀꢉQVꢂLVꢂUHTXLUHGꢂEHWZHHQꢂꢕ',1ꢂP!ꢂDQGꢂWKHꢂ3UHFKDUJHꢂFRPPDQGꢄꢂUHJDUGOHVVꢂRIꢂ
IUHTXHQF\ꢁ
ꢊꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢎꢁ 3UHFKDUJHꢂFRPPDQGꢂQRWꢂDOORZHGꢂHOVHꢂW
ꢂZRXOGꢂEHꢂYLRODWHGꢁ
5$6
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
157
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS
CMH
3
3
3
NOP
COMMAND
NOP
ACTIVE
ACTIVE
NOP
NOP
WRITE
t
NOP
NOP
NOP
t
CMS
CMH
DQMU, DQML
A0-A9, A11
t
t
t
t
AH
AS
2
ROW
t
ROW
ROW
BANK
COLUMN m
AS
AH
ENABLE AUTO PRECHARGE
ROW
t
A10
AS
AH
BA0, BA1
BANK
BANK
t
t
DH
DS
DINm
DQ
t
t
RP
t
RCD
WR
t
RAS
t
RC
DON’T CARE
Figure 48.16. Single Write with Auto Precharge
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢀꢄꢂDQGꢂWKHꢂ:ULWHꢂEXUVWꢂLVꢂIROORZHGꢂE\ꢂDꢂ
³PDQXDO´ꢂ3UHFKDUJHꢁ
ꢆꢁ ꢀꢉQVꢂLVꢂUHTXLUHGꢂEHWZHHQꢂꢕ',1ꢂP!ꢂDQGꢂWKHꢂ3UHFKDUJHꢂFRPPDQGꢄꢂUHJDUGOHVVꢂRIꢂ
IUHTXHQF\ꢁ
ꢊꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢎꢁ :ULWHꢂFRPPDQGꢂQRWꢂDOORZHGꢂHOVHꢂW
ꢂZRXOGꢂEHꢂYLRODWHGꢁ
5$6
158
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
t
t
CL
CK
CLK
t
CH
t
t
CKS CKH
CKE
t
t
CMS
CMH
COMMAND
ACTIVE
NOP
WRITE
NOP
ACTIVE
NOP
WRITE
NOP
NOP
ACTIVE
t
t
CMS
CMH
DQMU, DQML
A0-A9, A11
t
t
AH
AS
2
2
ROW
ROW
ROW
ROW
ROW
COLUMNm
COLUMNb
t
AS
t
AH
ENABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
ROW
A10
t
AS
t
AH
BA0, BA1
BANK 0
BANK 0
BANK 1
t
BANK 1
BANK 0
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
DS
DH
DS
DH
DS
DH
DS
DH
DS
DH
DS
DH
DS
DH
DS
DH
DIN
m
DINm+ 1
DINm+ 2
DINm+ 3
DIN
b
DINb + 1
DINb + 2
DINb + 3
DQ
t
t
t
RCD - BANK 0
t
RCD - BANK 0
WR - BANK 0
RP - BANK 0
t
RAS - BANK 0
t
RC - BANK 0
t
t
WR - BANK 1
t
RCD - BANK 1
RRD
DON’T CARE
Figure 48.17. Alternating Bank Write Accesses
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
159
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
Tn + 1
Tn + 2
Tn + 3
((
))
((
))
t
t
CK
CL
CLK
t
CH
t
t
CKS CKH
((
))
CKE
((
))
t
t
CMS
CMH
((
))
((
))
COMMAND
ACTIVE
NOP
WRITE
t
NOP
NOP
NOP
NOP
BURST TERM
NOP
t
CMH
CMS
((
))
DQMU, DQML
A0-A9, A11
((
))
t
t
AH
AS
((
))
((
))
1
ROW
COLUMNm
t
t
AH
AS
((
))
((
))
ROW
A10
t
t
AH
AS
((
))
((
))
BA0, BA1
BANK
BANK
t
t
t
t
t
t
t
t
t
t
DS
DH
DS
DH
DS
DH
DS
DH ((
DS
DH
))
DIN
m
DINm+ 1
DINm+ 2
DINm+ 3
DINm- 1
DQ
((
))
t
RCD
Full-page burst does not
self-terminate. Can use
BURST TERMINATE
512 (x16) locations within same row
Full page completed
DON’T CARE
2, 3
command to stop.
Figure 48.18. Write - Full Page Burst
Ir)
ꢀꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
ꢆꢁ W ꢂPXVWꢂEHꢂVDWLVILHGꢂSULRUꢂWRꢂ3UHFKDUJHꢂFRPPDQGꢁ
:5
ꢊꢁ 3DJHꢂOHIWꢂRSHQꢇꢂQRꢂW
ꢁ
53
160
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
P r e l i m i n a r y
T0
T1
T2
T3
T4
T5
T6
T7
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS
CMH
COMMAND
ACTIVE
NOP
WRITE
t
NOP
NOP
NOP
NOP
NOP
t
CMS CMH
DQMU, DQML
t
t
AS AH
2
A0-A9, A11
ROW
COLUMNm
t
t
AS AH
ENABLE AUTO PRECHARGE
ROW
A10
t
t
DISABLE AUTO PRECHARGE
BANK
AS AH
BA0, BA1
BANK
t
t
t
t
t
t
DS DH
DS DH
DS DH
DIN m
DIN m + 2
DIN m + 3
DQ
t
RCD
DON’T CARE
Figure 48.19. Write - DQM Operation
Ir)
ꢀꢁ )RUꢂWKLVꢂH[DPSOHꢄꢂWKHꢂEXUVWꢂOHQJWKꢂ ꢂꢎꢁ
ꢆꢁ $ꢒꢂDQGꢂ$ꢀꢀꢂ ꢂ³'RQ¶Wꢂ&DUHꢁ´
November 8, 2005 SDRAM_01_A3
Mobile SDRAM Type 1
161
P r e l i m i n a r y
49 Revision Summary
49.1 Revision A0 (April 1, 2005)
,QLWLDOꢀ5HOHDVH
49.2 Revision A1 (April 25, 2005)
$GGHGꢀꢇꢑꢑ 0+]ꢀVSHHGꢀJUDGHꢀRSWLRQ
49.3 Revision A2 (April 25, 2005)
$GGHGꢀUHYLVLRQꢀKLVWRU\
49.4 Revision A3 (April 25, 2005)
$GGHGꢀDꢀQRWHꢀRQꢀ(6'ꢀ,PPXQLW\ꢀWRꢀWKHꢀ'&ꢂ(OHFWULFDOꢂ&KDUDFWHULVWLFVꢂDQGꢂ2SHUDWLQJ
&RQGLWLRQVꢀWDEOHꢃ
162
Mobile SDRAM Type 1
SDRAM_01_A3 November 8, 2005
Mobile SDRAM Type 2
2M x 16Bit x 4 Banks SDRAM
PRELIMINARY
Features
ꢄꢎꢏ9ꢀSRZHUꢀVXSSO\ꢎ
/9&026ꢀFRPSDWLEOHꢀZLWKꢀPXOWLSOH[HGꢀDGGUHVVꢎ
)RXUꢀEDQNVꢀRSHUDWLRQꢎ
056ꢀF\FOHꢀZLWKꢀDGGUHVVꢀNH\ꢀSURJUDPVꢎ
²
²
²
&$6ꢀODWHQF\ꢀꢁꢇꢄꢀꢏꢀꢓꢀꢑꢂꢃ
%XUVWꢀOHQJWKꢀꢁꢇꢄꢀꢏꢄꢀꢍꢄꢀꢋꢀꢓꢀ)XOOꢀSDJHꢂꢃ
%XUVWꢀW\SHꢀꢁ6HTXHQWLDOꢀꢓꢀ,QWHUOHDYHꢂꢃ
(056ꢀF\FOHꢀZLWKꢀDGGUHVVꢀNH\ꢀSURJUDPVꢎ
$OOꢀLQSXWVꢀDUHꢀVDPSOHGꢀDWꢀWKHꢀSRVLWLYHꢀJRLQJꢀHGJHꢀ
RIꢀWKHꢀV\VWHPꢀFORFNꢎ
%XUVWꢀUHDGꢀVLQJOHꢇELWꢀZULWHꢀRSHUDWLRQꢎ
6SHFLDOꢀ)XQFWLRQꢀ6XSSRUWꢎ
²
²
3$65ꢀꢁ3DUWLDOꢀ$UUD\ꢀ6HOIꢀ5HIUHVKꢂꢃ
,QWHUQDOꢀ7&65ꢀꢁ7HPSHUDWXUHꢀ&RPSHQVDWHGꢀ6HOIꢀ
5HIUHVKꢂ
²
'6ꢀꢁ'ULYHUꢀ6WUHQJWKꢂ
'40ꢀIRUꢀPDVNLQJꢎ
$XWRꢀUHIUHVKꢎ
ꢊꢒPVꢀUHIUHVKꢀSHULRGꢀꢂꢒ.ꢀF\FOHꢃꢎ
([WHQGHGꢀ7HPSHUDWXUHꢀ2SHUDWLRQꢀꢂꢇꢈꢉ&ꢀaꢀꢏꢉ&ꢃ
Publication Number SDRAM_00 Revision A Amendment 0 Issue Date May 25, 2004
P r e l i m i n a r y n
50 Absolute Maximum Ratings
Parameter
9ROWDJHꢀRQꢀDQ\ꢀSLQꢀUHODWLYHꢀWRꢀ966
9ROWDJHꢀRQꢀ9''ꢀVXSSO\ꢀUHODWLYHꢀWRꢀ966
6WRUDJHꢀWHPSHUDWXUH
Symbol
9,1ꢄꢀ9287
9''ꢄꢀ9''4
767*
Value
Unit
9
ꢅꢇꢃꢌꢀaꢀꢏꢃꢎ
ꢅꢇꢃꢌꢀaꢀꢏꢃꢎ
ꢅꢊꢊꢀaꢀꢐꢇꢊꢌ
ꢇꢃꢌ
9
&
:
3RZHUꢀGLVVLSDWLRQ
3'
6KRUWꢀFLUFXLWꢀFXUUHQW
,
ꢊꢌ
P$
26
Ir)
ꢀꢁ 3HUPDQHQWꢂGHYLFHꢂGDPDJHꢂPD\ꢂRFFXUꢂLIꢂ$%62/87(ꢂ0$;,080ꢂ5$7,1*6ꢂDUHꢂH[FHHGHGꢁ
ꢆꢁ )XQFWLRQDOꢂRSHUDWLRQꢂVKRXOGꢂEHꢂUHVWULFWHGꢂWRꢂUHFRPPHQGHGꢂRSHUDWLQJꢂFRQGLWLRQꢁ
ꢊꢁ ([SRVXUHꢂWRꢂKLJKHUꢂWKDQꢂUHFRPPHQGHGꢂYROWDJHꢂIRUꢂH[WHQGHGꢂSHULRGVꢂRIꢂWLPHꢂFRXOGꢂDIIHFWꢂGHYLFHꢂ
UHOLDELOLW\ꢁ
51 DC Operating Conditions
5HFRPPHQGHGꢀRSHUDWLQJꢀFRQGLWLRQVꢀꢁ9ROWDJHꢀUHIHUHQFHGꢀWRꢀ966ꢀ ꢀꢌ9ꢄꢀ7$ꢀ ꢀꢅꢏꢊ&ꢀaꢀꢐꢋꢊ&ꢃ
Parameter
6XSSO\ꢀYROWDJH
Symbol
9''
Min
ꢇꢃꢎꢊ
Typ
ꢇꢃꢋ
ꢇꢃꢋ
ꢇꢃꢋ
ꢌ
Max
ꢇꢃꢉꢊ
ꢇꢃꢉꢊ
9''4ꢀꢐꢀꢌꢃꢑ
ꢌꢃꢑ
Unit
Note
9''4
9,+
ꢇꢃꢎꢊ
,QSXWꢀORJLFꢀKLJKꢀYROWDJH
,QSXWꢀORJLFꢀORZꢀYROWDJH
2XWSXWꢀORJLFꢀKLJKꢀYROWDJH
2XWSXWꢀORJLFꢀORZꢀYROWDJH
,QSXWꢀOHDNDJHꢀFXUUHQW
ꢌꢃꢋꢀ[ꢀ9''4
ꢅꢌꢃꢑ
ꢇ
9
9,/
ꢏ
92+
92/
9''4ꢀꢅꢌꢃꢏ
²
²
²
,
2+ꢀ ꢀꢅꢌꢃꢇP$
²
ꢌꢃꢏ
,2/ꢀ ꢀꢌꢃꢇP$
,
ꢅꢇꢌ
²
ꢇꢌ
$
/,
Ir)
ꢀꢁ 9 ꢂꢏPD[ꢐꢂ ꢂꢆꢁꢆ9ꢂ$&ꢁ7KHꢂRYHUVKRRWꢂYROWDJHꢂGXUDWLRQꢂLVꢂ≤ꢂꢊQVꢁ
,+
ꢆꢁ 9 ꢂꢏPLQꢐꢂ ꢂꢃꢀꢁꢈ9ꢂ$&ꢁꢂ7KHꢂXQGHUVKRRWꢂYROWDJHꢂGXUDWLRQꢂLVꢂ≤ꢂꢊQVꢁ
,/
ꢊꢁ $Q\ꢂLQSXWꢂꢈ9ꢂ≤ꢂ9 ꢂ≤ꢂ9
ꢁꢂ,QSXWꢂOHDNDJHꢂFXUUHQWVꢂLQFOXGHꢂ+Lꢃ=ꢂRXWSXWꢂOHDNDJHꢂIRUꢂDOOꢂELꢃGLUHFWLRQDOꢂ
EXIIHUVꢂZLWKꢂWULꢃVWDWHꢂRXWSXWVꢁ
,1
''4
ꢎꢁ 'RXWꢂLVꢂGLVDEOHGꢄꢂꢈ9ꢂ≤ 9 ꢂ≤ꢂ9
ꢁ
''4
287
52 Capacitance
ꢁ9''ꢀ ꢀꢇꢃꢋ9ꢄꢀ7$ꢀ ꢀꢏꢑ&ꢄꢀIꢀ ꢀꢇ0+]ꢄꢀ95()ꢀ ꢌꢃꢉ9ꢀꢀꢊꢌꢀP9ꢂ
Pin
Symbol
Min
ꢏꢃꢌ
ꢏꢃꢌ
ꢏꢃꢌ
ꢑꢃꢌ
Max
ꢍꢃꢌ
ꢍꢃꢌ
ꢍꢃꢌ
ꢎꢃꢌ
Unit
Note
&ORFN
&
&/.
5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔꢄꢀ&6ꢔꢄꢀ&.(ꢄꢀ'40
$GGUHVV
&
,1
S)
&
$''
'4ꢌꢀaꢀ'4ꢇꢊ
&
287
164
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
53 DC Characteristics
Parameter
Symbol
Test Condition
Value Unit Note
%XUVWꢀOHQJWKꢀ ꢀꢇ
5&ꢀ≥ W5&ꢀꢁPLQꢂ
2ꢀ ꢀꢌꢀP$
2SHUDWLQJꢀ&XUUHQWꢀꢁ2QHꢀ%DQNꢀ$FWLYHꢂ
,
W
,
ꢑꢊ
P$
ꢇ
&&ꢇ
,
&&ꢏ3&.(ꢀ ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
ꢌꢃꢑ
ꢌꢃꢑ
P$
P$
3UHFKDUJHꢀ6WDQGE\ꢀ&XUUHQWꢀLQꢀSRZHUꢅ
GRZQꢀPRGH
,
&&ꢏ36 &.(ꢀꢓꢀ&/.ꢀ≤ꢀ9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
&.(ꢀ≥ꢀ9,+ꢁPLQꢂꢄꢀ&6ꢔꢀ≥ꢀ9,+ꢁPLQꢂꢄꢀW&&ꢀ ꢀꢇꢌQVꢀ,QSXWꢀ
,
&&ꢏ1
ꢇꢌ
ꢇ
P$
P$
VLJQDOVꢀDUHꢀFKDQJHGꢀRQHꢀWLPHꢀGXULQJꢀꢏꢌQV
3UHFKDUJHꢀ6WDQGE\ꢀ&XUUHQWꢀLQꢀQRQꢀ
SRZHUꢅGRZQꢀPRGH
&.(ꢀ≥ꢀ9,+ꢁPLQꢂꢄꢀ&/.ꢀ≤ꢀ9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
,QSXWꢀVLJQDOVꢀDUHꢀVWDEOH
,
&&ꢏ16
,
&&ꢑ3&.(ꢀ ≤ꢀ9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
ꢊ
ꢇ
P$
P$
$FWLYHꢀ6WDQGE\ꢀ&XUUHQWꢀLQꢀSRZHUꢅ
GRZQꢀPRGH
,
&&ꢑ36 &.(ꢀꢓꢀ&/.ꢀ≤ꢀ9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
&.(ꢀ≥ꢀ9,+ꢁPLQꢂꢄꢀ&6ꢀ≥ꢀ9,+ꢁPLQꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
,
&&ꢑ1
ꢏꢌ
ꢊ
P$
P$
,QSXWꢀVLJQDOVꢀDUHꢀFKDQJHGꢀRQHꢀWLPHꢀGXULQJꢀꢏꢌQV
$FWLYHꢀ6WDQGE\ꢀ&XUUHQWꢀLQꢀQRQꢀSRZHUꢅ
GRZQꢀPRGHꢀꢁ2QHꢀ%DQNꢀ$FWLYHꢂ
&.(ꢀ≥ꢀ9,+ꢁPLQꢂꢄꢀ&/.ꢀ≤ꢀ9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
,QSXWꢀVLJQDOVꢀDUHꢀVWDEOH
,
&&ꢑ16
,2ꢀ ꢀꢌꢀP$
3DJHꢀEXUVW
2SHUDWLQJꢀ&XUUHQWꢀꢁ%XUVWꢀ0RGHꢂ
5HIUHVKꢀ&XUUHQW
,
,
&&ꢍ
ꢊꢌ
ꢋꢊ
P$
P$
ꢇ
ꢏ
ꢍ%DQNVꢀ$FWLYDWHG
W&&'ꢀ ꢀꢏ&/.V
&&ꢊ
W$5)&ꢀ≥ꢀW$5)&ꢁPLQꢂ
Internal TCSR
)XOOꢀ$UUD\
Max 40 °C
ꢇꢌꢌ
6HOIꢀ5HIUHVKꢀ&XUUHQW
,
&&ꢎ
&.(ꢀ≤ꢀꢌꢃꢏ9
ꢇꢒꢏꢀRIꢀIXOOꢀDUUD\
ꢇꢒꢍꢀRIꢀIXOOꢀDUUD\
ꢉꢌ
ꢋꢊ
$
Ir)
ꢀꢁ 0HDVXUHGꢂZLWKꢂRXWSXWVꢂRSHQꢁ
ꢆꢁ 5HIUHVKꢂSHULRGꢂLVꢂꢌꢎPVꢁ
ꢊꢁ 8QOHVVꢂRWKHUZLVHꢂQRWHGꢄꢂLQSXWꢂVZLQJꢂ,HYH,ꢂLVꢂ&026ꢏ9 ꢂꢍ9 9
ꢍ9
ꢐꢁ
,+
,/
''4 664
54 AC Operating Test Conditions
9''ꢀ ꢀꢇꢃꢋ9ꢀꢀꢌꢃꢇꢊ9ꢄꢀ7$ꢀ ꢀꢅꢏꢊ&ꢀaꢀꢐꢋꢊ&
Parameter
Value
Unit
$&ꢀLQSXWꢀOHYHOVꢀꢁ9,+ꢒ9,/
ꢂ
ꢌꢃꢉꢀ[ꢀ9''4ꢀꢒꢀꢌꢃꢏ
ꢌꢃꢊꢀ[ꢀ9''4
9
,QSXWꢀWLPLQJꢀPHDVXUHPHQWꢀUHIHUHQFHꢀOHYHO
,QSXWꢀULVHꢀDQGꢀIDOOꢀWLPH
WUꢒWIꢀ ꢀꢇꢒꢇ
QV
9
2XWSXWꢀWLPLQJꢀPHDVXUHPHQWꢀUHIHUHQFHꢀOHYHO
2XWSXWꢀORDGꢀFRQGLWLRQ
ꢌꢃꢊꢀ[ꢀ9''4
6HHꢀ)LJXUHꢀꢊꢍꢃꢏ
1.8V
13.9K
VOH (DC) = VDDQ - 0.2V, IOH = -0.1mA
VOL (DC) = 0.2V, IOL = 0.1mA
Output
30pF
10.6K
Figure 54.1 DC Output Load Circuit
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
165
P r e l i m i n a r y n
Vtt=0.5 x VDDQ
50
Output
Z0=50
30pF
Figure 54.2 AC Output Load Circuit
55 Operating AC Parameter
ꢁ$&ꢀRSHUDWLQJꢀFRQGLWLRQVꢀXQOHVVꢀRWKHUZLVHꢀQRWHGꢂ
Parameter
5RZꢀDFWLYHꢀWRꢀURZꢀDFWLYHꢀGHOD\
5$6ꢔꢀWRꢀ&$6ꢔꢀGHOD\
Symbol
Value
Unit Note
W
55'ꢁPLQꢂ
5&'ꢁPLQꢂ
ꢇꢉ
W
ꢏꢋꢃꢊ
QV
ꢇ
5RZꢀSUHFKDUJHꢀWLPH
W
53ꢁPLQꢂ
5$6ꢁPLQꢂ
5$6ꢁPD[ꢂ
5&ꢁPLQꢂ
ꢏꢋꢃꢊ
W
ꢎꢌ
5RZꢀDFWLYHꢀWLPH
W
ꢇꢌꢌ
V
QV
5RZꢀF\FOHꢀWLPH
W
ꢋꢋꢃꢊ
ꢇ
ꢏ
/DVWꢀGDWDꢀLQꢀWRꢀURZꢀSUHFKDUJH
/DVWꢀGDWDꢀLQꢀWRꢀ$FWLYHꢀGHOD\
/DVWꢀGDWDꢀLQꢀWRꢀQHZꢀFROꢃꢀDGGUHVVꢀGHOD\
/DVWꢀGDWDꢀLQꢀWRꢀEXUVWꢀVWRS
W
5'/ꢁPLQꢂ
'$/ꢁPLQꢂ
&'/ꢁPLQꢂ
ꢇꢊ
QV
W
W
W5'/ꢀꢐꢀW53
²
ꢇ
ꢇ
&/.
&/.
QV
ꢏ
W%'/ꢁPLQꢂ
$XWRꢀUHIUHVKꢀF\FOHꢀWLPH
W
$5)&ꢁPLQꢂ
65);ꢁPLQꢂ
ꢋꢌ
ꢇꢏꢌ
ꢇ
([LWꢀVHOIꢀUHIUHVKꢀWRꢀDFWLYHꢀFRPPDQG
&ROꢃꢀDGGUHVVꢀWRꢀFROꢃꢀDGGUHVVꢀGHOD\
1XPEHUꢀRIꢀYDOLGꢀRXWSXWꢀGDWD
1XPEHUꢀRIꢀYDOLGꢀRXWSXWꢀGDWD
1XPEHUꢀRIꢀYDOLGꢀRXWSXWꢀGDWD
W
QV
W
&&'ꢁPLQꢂ
&/.
ꢑ
ꢍ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢇ
ꢏ
ꢇ
HD
ꢌ
Ir)
ꢀꢁ 7KHꢂPLQLPXPꢂQXPEHUꢂRIꢂFORFNꢂF\FOHVꢂLVꢂGHWHUPLQHGꢂE\ꢂGLYLGLQJꢂWKHꢂPLQLPXPꢂWLPHꢂUHTXLUHGꢂZLWKꢂ
FORFNꢂF\FOHꢂWLPHꢂDQGꢂWKHQꢂURXQGLQJꢂRIIꢂWRꢂWKHꢂQH[WꢂKLJKHUꢂLQWHJHUꢁ
ꢆꢁ 0LQLPXPꢂGHOD\ꢂLVꢂUHTXLUHGꢂWRꢂFRPSOHWHꢂZULWHꢁ
ꢊꢁ $OOꢂSDUWVꢂDOORZꢂHYHU\ꢂF\FOHꢂFROXPQꢂDGGUHVVꢂFKDQJHꢁ
ꢎꢁ ,QꢂFDVHꢂRIꢂURZꢂSUHFKDUJHꢂLQWHUUXSWꢄꢂDXWRꢂSUHFKDUJHꢂDQGꢂUHDGꢂEXUVWꢂVWRSꢁ
166
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
56 AC Characteristics
ꢁ$&ꢀRSHUDWLQJꢀFRQGLWLRQVꢀXQOHVVꢀRWKHUZLVHꢀQRWHGꢂ
Parameter
Symbol
Min
ꢉꢃꢊ
ꢇꢊ
Max
Unit
Note
&/.ꢀF\FOHꢀWLPH
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢇ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢇ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢇ
&/.ꢀF\FOHꢀWLPH
W&&
ꢇꢌꢌꢌ
QV
ꢇ
&/.ꢀF\FOHꢀWLPH
ꢏꢊ
&/.ꢀWRꢀYDOLGꢀRXWSXWꢀGHOD\
&/.ꢀWRꢀYDOLGꢀRXWSXWꢀGHOD\
&/.ꢀWRꢀYDOLGꢀRXWSXWꢀGHOD\
2XWSXWꢀGDWDꢀKROGꢀWLPH
2XWSXWꢀGDWDꢀKROGꢀWLPH
2XWSXWꢀGDWDꢀKROGꢀWLPH
&/.ꢀKLJKꢀSXOVHꢀZLGWK
&/.ꢀORZꢀSXOVHꢀZLGWK
,QSXWꢀVHWXSꢀWLPH
ꢈ
ꢋ
W6$&
QV
QV
ꢇꢄꢀꢏ
ꢏ
ꢏꢌ
W2+
ꢏꢃꢊ
ꢑꢃꢊ
W&+
W&/
ꢑ
ꢑ
ꢑ
ꢑ
ꢏ
W66
W6+
W6/=
ꢑꢃꢌ
ꢇꢃꢊ
ꢇ
,QSXWꢀKROGꢀWLPH
QV
&/.ꢀWRꢀRXWSXWꢀLQꢀ/RZꢅ=
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢇ
ꢈ
ꢋ
&/.ꢀWRꢀRXWSXWꢀLQꢀ+Lꢅ=
W6+=
ꢏꢌ
Ir)
ꢀꢁ 3DUDPHWHUVꢂGHSHQGꢂRQꢂSURJUDPPHGꢂ&$6ꢂODWHQF\ꢁ
ꢆꢁ ,IꢂFORFNꢂULVLQJꢂWLPHꢂLVꢂORQJHUꢂWKDQꢂꢀQVꢄꢂꢏWUꢍꢆꢃꢈꢁꢉꢐQVꢂVKRXOGꢂEHꢂDGGHGꢂWRꢂWKHꢂSDUDPHWHUꢁ
ꢊꢁ $VVXPHGꢂLQSXWꢂULVHꢂDQGꢂIDOOꢂWLPHꢂꢏWUꢂꢗꢂWIꢐꢂ ꢂꢀQVꢁ
,IꢂWUꢂꢗꢂWIꢂLVꢂORQJHUꢂWKDQꢂꢀQVꢄꢂWUDQVLHQWꢂWLPHꢂFRPSHQVDWLRQꢂVKRXOGꢂEHꢂFRQVLGHUHGꢄ
LꢁHꢁꢄꢂ>ꢏWUꢂꢓꢂWIꢐꢍꢆꢃꢀ@QVꢂVKRXOGꢂEHꢂDGGHGꢂWRꢂWKHꢂSDUDPHWHUꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
167
P r e l i m i n a r y n
57 Simplified Truth Table
Command
CKEn-1 CKEn CS# RAS# CAS# WE# DQM BA0,1
A10/AP
A11, A9 ~ A0
Note
ꢇꢄꢀꢏ
ꢑ
5HJLVWHU
0RGHꢀ5HJLVWHUꢀ6HW
$XWRꢀ5HIUHVK
+
;
+
/
/
/
/
/
;
23ꢀ&2'(
+
/
/
/
+
;
;
(QWU\
6HOIꢀ
5HIUHVK
ꢑ
5HIUHVK
/
+
/
+
;
/
+
;
+
+
;
+
ꢑ
([LW
/
+
;
;
;
;
ꢑ
%DQNꢀ$FWLYHꢀꢓꢀ5RZꢀ$GGUꢃ
$XWRꢀ3UHFKDUJHꢀ
+
9
9
5RZꢀ$GGUHVV
/
+
/
ꢍ
ꢍꢄꢀꢊ
ꢍ
&ROXPQ
$GGUHVV
ꢁ$ꢌa$ꢋꢂ
5HDGꢀꢓꢀ
'LVDEOH
&ROXPQꢀ
+
+
;
;
/
/
+
+
/
/
+
/
;
;
$XWRꢀ3UHFKDUJHꢀ
$GGUHVV
(QDEOH
$XWRꢀ3UHFKDUJHꢀ
&ROXPQ
$GGUHVV
ꢁ$ꢌa$ꢋꢂ
:ULWHꢀꢓꢀ
'LVDEOH
&ROXPQꢀ
9
$XWRꢀ3UHFKDUJHꢀ
$GGUHVV
+
ꢍꢄꢀꢊ
ꢎ
(QDEOH
%XUVWꢀ6WRS
+
+
;
;
/
/
+
/
+
+
/
/
;
;
;
%DQNꢀ6HOHFWLRQ
3UHFKDUJH
9
;
/
;
$OOꢀ%DQNV
+
+
/
;
9
;
;
+
;
9
;
9
;
;
+
;
9
;
9
;
;
+
;
9
(QWU\
([LW
+
/
/
+
/
;
;
;
&ORFNꢀ6XVSHQGꢀRUꢀ
$FWLYHꢀ3RZHUꢀ'RZQ
;
;
;
+
/
(QWU\
+
3UHFKDUJHꢀ3RZHUꢀ
'RZQꢀ0RGH
+
/
([LW
/
+
+
+
;
9
;
'40
;
;
;
ꢈ
+
/
;
+
;
+
;
+
1Rꢀ2SHUDWLRQꢀ&RPPDQG
;
Grtrq)ꢂ9ꢂ ꢂ9DOLGꢄꢂ;ꢂ ꢂ'RQ¶Wꢂ&DUHꢄꢂ+ꢂ ꢂ/RJLFꢂ+LJKꢄꢂ/ꢂ ꢂ/RJLFꢂ/RZ
Ir)
ꢀꢁ 23ꢂ&RGHꢔꢂ2SHUDQGꢂ&RGH
$ꢈꢂaꢂ$ꢀꢀꢂꢗꢂ%$ꢈꢂaꢂ%$ꢀꢔꢂ3URJUDPꢂNH\Vꢁꢂꢏ#056ꢐ
ꢆꢁ 056ꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂSUHFKDUJHꢂVWDWHꢁꢂ
$ꢂQHZꢂFRPPDQGꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂꢆꢂ&/.ꢂF\FOHVꢂRIꢂ056ꢁ
ꢊꢁ $XWRꢂUHIUHVKꢂIXQFWLRQVꢂDUHꢂWKHꢂVDPHꢂDVꢂ&%5ꢂUHIUHVKꢂRIꢂ'5$0ꢁ
7KHꢂDXWRPDWLFꢂSUHFKDUJHꢂZLWKRXWꢂURZꢂSUHFKDUJHꢂFRPPDQGꢂLVꢂPHDQWꢂE\ꢂ³$XWR´ꢁ
$XWRꢍVHOIꢂUHIUHVKꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂSUHFKDUJHꢂVWDWHꢁ
3DUWLDOꢂVHOIꢂUHIUHVKꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDIWHUꢂVHWWLQJꢂSDUWLDOꢂVHOIꢂUHIUHVKꢂPRGHꢂRIꢂ(056ꢁ
ꢎꢁ %$ꢈꢂaꢂ%$ꢀꢔꢂ%DQNꢂVHOHFWꢂDGGUHVVHVꢁ
ꢉꢁ 'XULQJꢂEXUVWꢂUHDGꢂRUꢂZULWHꢂZLWKꢂDXWRꢂSUHFKDUJHꢄꢂQHZꢂUHDGꢍZULWHꢂFRPPDQGꢂFDQꢂQRWꢂEHꢂLVVXHGꢁ
$QRWKHUꢂEDQNꢂUHDGꢍZULWHꢂFRPPDQGꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂWKHꢂHQGꢂRIꢂEXUVWꢁ
1HZꢂURZꢂDFWLYHꢂRIꢂWKHꢂDVVRFLDWHGꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂDWꢂW53ꢂDIWHUꢂWKHꢂHQGꢂRIꢂEXUVWꢁ
ꢌꢁ %XUVWꢂVWRSꢂFRPPDQGꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂEXUVWꢂOHQJWKꢁ
ꢋꢁ '40ꢂVDPSOHGꢂDWꢂWKHꢂSRVLWLYHꢂJRLQJꢂHGJHꢂRIꢂ&/.ꢂPDVNVꢂWKHꢂGDWDꢃLQꢂDWꢂWKDWꢂVDPHꢂ&/.ꢂLQꢂZULWHꢂ
RSHUDWLRQꢂꢏ:ULWHꢂ'40ꢂODWHQF\ꢂLVꢂꢈꢐꢄꢂEXWꢂLQꢂUHDGꢂRSHUDWLRQꢄꢂLWꢂPDNHVꢂWKHꢂGDWDꢃRXWꢂ+Lꢃ=ꢂVWDWHꢂDIWHUꢂꢆꢂ
&/.ꢂF\FOHVꢁꢂꢏ5HDGꢂ'40ꢂODWHQF\ꢂLVꢂꢆꢐꢁ
58 Mode Register Field Table to Program Modes
Address
BA0 ~ BA1
A11 ~ A10/AP
A9 (Note 2) A8
A7 A6 A5 A4
A3
A2 A1
A0
³ꢌ´ꢀ6HWWLQJꢀIRUꢀ1RUPDOꢀ
056
)XQFWLRQ
5)8
:ꢃ%ꢃ/ 7HVWꢀ0RGH &$6ꢀ/DWHQF\
%7
%XUVWꢀ/HQJWK
168
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
59 Normal MRS Mode
Test Mode
Type
CAS Latency
A6 A5 A4 Latency
Burst Type
Type
Burst Length
A8 A7
A3
ꢌ
A2 A1 A0
BT=0
BT=1
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
0RGHꢀ5HJLVWHUꢀ6HW
5HVHUYHG
ꢌ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
5HVHUYHG
ꢇ
6HTXHQWLDO
ꢌ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢇ
ꢏ
ꢍ
ꢋ
ꢇ
ꢏ
ꢍ
ꢋ
ꢇ
,QWHUOHDYH
5HVHUYHG
ꢏ
Mode Select
5HVHUYHG
ꢑ
BA1 BA0
Mode
Write Burst Length
Length
5HVHUYHG
5HVHUYHG
5HVHUYHG
5HVHUYHG
5HVHUYHG 5HVHUYHG
5HVHUYHG 5HVHUYHG
5HVHUYHG 5HVHUYHG
)XOOꢀ3DJH 5HVHUYHG
6HWWLQJ
IRUꢀ1RUPDO
056
A9
ꢌ
ꢌ
ꢌ
%XUVW
ꢇ
6LQJOHꢀ%LW
Ir)ꢂ)XOOꢂ3DJHꢂ/HQJWKꢂ[ꢂꢀꢌꢔꢂꢌꢎ0Eꢏꢆꢉꢌꢐꢄꢂꢀꢆꢑ0Eꢏꢉꢀꢆꢐꢄꢂꢆꢉꢌ0Eꢏꢉꢀꢆꢐꢄꢂꢉꢀꢆ0Eꢏꢀꢈꢆꢎꢐ
5HJLVWHUꢀ3URJUDPPHGꢀZLWKꢀ([WHQGHGꢀ056
Address
BA1
BA0
A11 ~ A10/AP
A9 A8 A7 A6 A5
'6
A4
A3
A2 A1
3$65
A0
)XQFWLRQ
0RGHꢀ6HOHFW
5)8ꢀꢁ1RWHꢀꢇꢂ
5)8ꢀꢁ1RWHꢀꢇꢂ
60 EMRS for PASR (Partial Array Self Ref) & DS (Driver Strength)
Mode Select
Mode
Driver Strength
A6 A5 Driver Strength
PASR
A0
BA1
ꢌ
BA0
ꢌ
A2
ꢌ
A1
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
Refreshed Area
)XOOꢀ$UUD\
1RUPDOꢀ056
5HVHUYHG
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
)XOO
ꢇꢒꢏ
ꢇꢒꢍ
ꢇꢒꢋ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇꢒꢏꢀRIꢀIXOOꢀDUUD\
ꢇꢒꢍꢀRIꢀIXOOꢀDUUD\
5HVHUYHG
ꢇ
ꢌ
(056ꢀIRUꢀ0RELOHꢀ6'5$0
5HVHUYHG
ꢌ
ꢇ
ꢇ
ꢌ
Reserved Address
A8 A7
ꢇ
5HVHUYHG
A11~A10/AP
A9
A4
A3
ꢇ
5HVHUYHG
ꢇ
5HVHUYHG
ꢌ
ꢌ
ꢌ
ꢌ
ꢌ
ꢌ
ꢇ
5HVHUYHG
Ir)
ꢀꢁ 5)8ꢏ5HVHUYHGꢂIRUꢂIXWXUHꢂXVHꢐꢂVKRXOGꢂVWD\ꢂ³ꢈ´ꢂGXULQJꢂ056ꢂF\FOHꢁ
ꢆꢁ ,Iꢂ$ꢒꢂLVꢂKLJKꢂGXULQJꢂ056ꢂF\FOHꢄꢂ³%XUVWꢂ5HDGꢂ6LQJOHꢂ%LWꢂ:ULWH´ꢂIXQFWLRQꢂZLOOꢂEHꢂHQDEOHGꢁ
61 Partial Array Self Refresh
ꢇꢃ ,QꢀRUGHUꢀWRꢀVDYHꢀSRZHUꢀFRQVXPSWLRQꢄꢀ0RELOHꢀ6'5$0ꢀKDVꢀ3$65ꢀRSWLRQꢃ
ꢏꢃ 0RELOHꢀ6'5$0ꢀVXSSRUWVꢀꢑꢀNLQGVꢀRIꢀ3$65ꢀLQꢀVHOIꢀUHIUHVKꢀPRGHꢆꢀ)XOOꢀ$UUD\ꢄ
ꢇꢒꢏꢀRIꢀIXOOꢀDUUD\ꢄꢀDQGꢀꢇꢒꢍꢀRIꢀIXOOꢀDUUD\ꢃ
BA1=0
BA0=0
BA1=0
BA0=1
BA1=0
BA0=0
BA1=0
BA0=1
BA1=0
BA0=0
BA1=0
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
- Full Array
- 1/2 of full Array
- 1/4 of full Array
Partial Self Refresh Area
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
169
P r e l i m i n a r y n
62 Internal Temperature Compensated Self Refresh (TCSR)
Self Refresh Current (Icc 6)
Temperature Range
0D[ꢃꢀꢍꢌ&
Full Array
ꢇꢌꢌ
1/2 of full array
1/4 of full array
Unit
ꢉꢌ
ꢋꢊ
$
0D[ꢃꢀꢋꢊ&
ꢏꢊꢌ
ꢏꢇꢌ
ꢇꢉꢌ
Ir)
ꢀꢁ ,QꢂRUGHUꢂWRꢂVDYHꢂSRZHUꢂFRQVXPSWLRQꢄꢂ0RELOHꢃ6'5$0ꢂLQFOXGHVꢂWKHꢂLQWHUQDOꢂWHPSHUDWXUHꢂVHQVRUꢂDQGꢂ
FRQWUROꢂXQLWVꢂWRꢂFRQWUROꢂWKHꢂVHOIꢂUHIUHVKꢂF\FOHꢂDXWRPDWLFDOO\ꢂDFFRUGLQJꢂWRꢂWKHꢂWZRꢂWHPSHUDWXUHꢂUDQJHVꢇꢂ
0D[ꢁꢂꢎꢈ&ꢄꢂ0D[ꢁꢂꢑꢉ&ꢁ
ꢆꢁ ,IꢂWKHꢂ(056ꢂIRUꢂH[WHUQDOꢂ7&65ꢂLVꢂLVVXHGꢂE\ꢂWKHꢂFRQWUROOHUꢄꢂWKLVꢂ(056ꢂFRGHꢂIRUꢂ7&65ꢂLVꢂLJQRUHGꢁ
63 Power Up Sequence
ꢇꢃ $SSO\ꢀSRZHUꢀDQGꢀDWWHPSWꢀWRꢀPDLQWDLQꢀ&.(ꢀDWꢀDꢀKLJKꢀVWDWHꢀDQGꢀDOOꢀRWKHUꢀLQSXWVꢀPD\ꢀEHꢀXQGHꢅ
ILQHGꢃ
ꢅꢀ$SSO\ꢀ9''ꢀEHIRUHꢀRUꢀDWꢀWKHꢀVDPHꢀWLPHꢀDVꢀ9''4ꢃ
ꢏꢃ 0DLQWDLQꢀVWDEOHꢀSRZHUꢄꢀVWDEOHꢀFORFNꢀDQGꢀ123ꢀLQSXWꢀFRQGLWLRQꢀIRUꢀDꢀPLQLPXPꢀRIꢀꢏꢌꢌXVꢃ
ꢑꢃ ,VVXHꢀSUHFKDUJHꢀFRPPDQGVꢀIRUꢀDOOꢀEDQNVꢀRIꢀWKHꢀGHYLFHVꢃ
ꢍꢃ ,VVXHꢀꢏꢀRUꢀPRUHꢀDXWRꢅUHIUHVKꢀFRPPDQGVꢃ
ꢊꢃ ,VVXHꢀDꢀPRGHꢀUHJLVWHUꢀVHWꢀFRPPDQGꢀWRꢀLQLWLDOL]HꢀWKHꢀPRGHꢀUHJLVWHUꢃ
ꢎꢃ ,VVXHꢀDꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀVHWꢀFRPPDQGꢀWRꢀGHILQHꢀ'6ꢀRUꢀ3$65ꢀRSHUDWLQJꢀW\SHꢀRI
WKHꢀGHYLFHꢀDIWHUꢀQRUPDOꢀ056ꢃ
(056ꢀF\FOHꢀLVꢀQRWꢀPDQGDWRU\ꢀDQGꢀWKHꢀ(056ꢀFRPPDQGꢀQHHGVꢀWRꢀEHꢀLVVXHGꢀRQO\ꢀZKHQꢀ'6ꢀRUꢀ3$65
LVꢀXVHGꢃ
7KHꢀGHIDXOWꢀVWDWHꢀZLWKRXWꢀ(056ꢀFRPPDQGꢀLVVXHGꢀLVꢀKDOIꢀGULYHUꢀVWUHQJWKꢀDQGꢀDOOꢀIXOOꢀDUUD\
UHIUHVKHGꢃ
7KHꢀGHYLFHꢀLVꢀQRZꢀUHDG\ꢀIRUꢀWKHꢀRSHUDWLRQꢀVHOHFWHGꢀE\ꢀ(056ꢃ
)RUꢀRSHUDWLQJꢀZLWKꢀ'6ꢀRUꢀ3$65ꢄꢀVHWꢀ'6ꢀRUꢀ3$65ꢀPRGHꢀLQꢀ(056ꢀVHWWLQJꢀVWDJHꢃ
,QꢀRUGHUꢀWRꢀDGMXVWꢀDQRWKHUꢀPRGHꢀLQꢀWKHꢀVWDWHꢀRIꢀ'6ꢀRUꢀ3$65ꢀPRGHꢄꢀDGGLWLRQDOꢀ(056ꢀVHWꢀLVꢀUHTXLUHG
EXWꢀSRZHUꢀXSꢀVHTXHQFHꢀLVꢀQRWꢃ
QHHGHGꢀDJDLQꢀDWꢀWKLVꢀWLPHꢃꢀ,QꢀWKDWꢀFDVHꢄꢀDOOꢀEDQNVꢀKDYHꢀWRꢀEHꢀLQꢀLGOHꢀVWDWHꢀSULRUꢀWRꢀDGMXVWLQJꢀ(056
VHWꢃ
64 Burst Sequence
64.1 Burst Length = 4
Initial Address
A1
ꢌ
A0
ꢌ
Sequential
Interleave
ꢌ
ꢇ
ꢏ
ꢑ
ꢇ
ꢏ
ꢑ
ꢌ
ꢏ
ꢑ
ꢌ
ꢇ
ꢑ
ꢌ
ꢇ
ꢏ
ꢌ
ꢇ
ꢏ
ꢑ
ꢇ
ꢌ
ꢑ
ꢏ
ꢑ
ꢏ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
170
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
64.2 Burst Length = 8
Initial Address
A2 A1
A0
ꢌ
Sequential
Interleave
ꢌ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢇ
ꢌ
ꢑ
ꢏ
ꢊ
ꢍ
ꢈ
ꢎ
ꢏ
ꢑ
ꢌ
ꢇ
ꢎ
ꢈ
ꢍ
ꢊ
ꢑ
ꢏ
ꢇ
ꢌ
ꢈ
ꢎ
ꢊ
ꢍ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢊ
ꢍ
ꢈ
ꢎ
ꢇ
ꢌ
ꢑ
ꢏ
ꢎ
ꢈ
ꢍ
ꢊ
ꢏ
ꢏ
ꢌ
ꢇ
ꢈ
ꢎ
ꢊ
ꢍ
ꢑ
ꢑ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
65 Device Operations
65.1 Addresses of 64Mb
ꢊꢉꢎꢄꢎꢄ %DQNꢀ$GGUHVVHVꢀꢂ%$ꢋꢀaꢀ%$ꢄꢃ
)Dꢀphrꢀꢀ %ꢂꢀ7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢇꢄꢌꢍꢋꢄꢊꢈꢎꢀZRUGVꢀ[ꢀꢇꢎꢀELWV
PHPRU\ꢀDUUD\Vꢃꢀ7KHꢀ%$ꢌꢀaꢀ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWR
VHOHFWꢀWKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢀaꢀ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQN
DFWLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
)ꢀDꢀphrꢀꢀ"!ꢂꢀ7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢊꢏꢍꢄꢏꢋꢋꢀZRUGVꢀ[ꢀꢑꢏꢀELWV
PHPRU\ꢀDUUD\Vꢃꢀ7KHꢀ%$ꢌꢀaꢀ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWR
VHOHFWꢀWKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢀaꢀ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQN
DFWLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
ꢊꢉꢎꢄꢎꢈ $GGUHVVꢀ,QSXWVꢀꢂ$ꢋꢀaꢀ$ꢄꢄꢃ
)ꢀDꢀphrꢀꢀ %ꢂꢀ7KHꢀꢏꢌꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢇꢄꢌꢍꢋꢄꢊꢈꢎꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOꢅ
WLSOH[HGꢀLQWRꢀꢇꢏꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢀaꢀ$ꢇꢇꢂꢃꢀ7KHꢀꢇꢏꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
5$6ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢋꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHG
DORQJꢀZLWKꢀ&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃ
)ꢀDꢀphrꢀꢀ"!ꢂꢀ7KHꢀꢇꢉꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢊꢏꢍꢄꢏꢋꢋꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOꢅ
WLSOH[HGꢀLQWRꢀꢇꢇꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢀaꢀ$ꢇꢌꢂꢃꢀ7KHꢀꢇꢇꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
5$6ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢋꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHG
DORQJꢀZLWKꢀ&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃ
65.2 Addresses of 128Mb
ꢊꢉꢎꢈꢎꢄ %DQNꢀ$GGUHVVHVꢀꢂ%$ꢋꢀaꢀ%$ꢄꢃ
)Dꢀphrꢀꢀ %ꢂꢀ7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢏꢄꢌꢉꢈꢄꢇꢊꢏꢀZRUGVꢀ[ꢀꢇꢎꢀELWV
PHPRU\ꢀDUUD\Vꢃꢀ7KHꢀ%$ꢌꢀaꢀ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWR
VHOHFWꢀWKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢀaꢀ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQN
DFWLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
)Dꢀphrꢀꢀ"!ꢂꢀ7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢇꢄꢌꢍꢋꢄꢊꢈꢎꢀZRUGVꢀ[ꢀꢑꢏꢀELWV
PHPRU\ꢀDUUD\Vꢃꢀ7KHꢀ%$ꢌꢀaꢀ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWR
VHOHFWꢀWKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢀaꢀ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQN
DFWLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
171
P r e l i m i n a r y n
ꢊꢉꢎꢈꢎꢈ $GGUHVVꢀ,QSXWVꢀꢂ$ꢋꢀaꢀ$ꢄꢄꢃ
)ꢀDꢀphrꢀꢀ %ꢂꢀ7KHꢀꢏꢇꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢏꢄꢌꢉꢈꢄꢇꢊꢏꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOꢅ
WLSOH[HGꢀLQWRꢀꢇꢏꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢀaꢀ$ꢇꢇꢂꢃꢀ7KHꢀꢇꢏꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
5$6ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢉꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHG
DORQJꢀZLWKꢀ&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃ
)Dꢀphrꢀꢀ"!ꢂꢀ7KHꢀꢏꢌꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢇꢄꢌꢍꢋꢄꢊꢈꢎꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOꢅ
WLSOH[HGꢀLQWRꢀꢇꢏꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢀaꢀ$ꢇꢇꢂꢃꢀ7KHꢀꢇꢏꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
5$6ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢋꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHG
DORQJꢀZLWKꢀ&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃ
65.3 Clock
7KHꢀFORFNꢀLQSXWꢀLVꢀXVHGꢀDVꢀWKHꢀUHIHUHQFHꢀIRUꢀDOOꢀ6'5$0ꢀRSHUDWLRQVꢃꢀ$OOꢀRSHUDWLRQVꢀDUHꢀV\QFKURQL]HG
WRꢀWKHꢀSRVLWLYHꢀJRLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢃꢀ7KHꢀFORFNꢀWUDQVLWLRQVꢀPXVWꢀEHꢀPRQRWRQLFꢀEHWZHHQꢀ9,/ꢀDQG
9,+ꢃꢀ'XULQJꢀRSHUDWLRQꢀZLWKꢀ&.(ꢀKLJKꢀDOOꢀLQSXWVꢀDUHꢀDVVXPHGꢀWRꢀEHꢀLQꢀDꢀYDOLGꢀVWDWHꢀꢁORZꢀRUꢀKLJKꢂꢀIRU
WKHꢀGXUDWLRQꢀRIꢀVHWꢅXSꢀDQGꢀKROGꢀWLPHꢀDURXQGꢀSRVLWLYHꢀHGJHꢀRIꢀWKHꢀFORFNꢀLQꢀRUGHUꢀWRꢀIXQFWLRQꢀZHOOꢀ4
SHUIRUPꢀDQGꢀ,&&ꢀVSHFLILFDWLRQV
65.4 Clock Enable (CKE)
7KHꢀFORFNꢀHQDEOHꢁ&.(ꢂꢀJDWHVꢀWKHꢀFORFNꢀRQWRꢀ6'5$0ꢃꢀ,Iꢀ&.(ꢀJRHVꢀORZꢀV\QFKURQRXVO\ꢀZLWKꢀFORFN
ꢁVHWꢅXSꢀDQGꢀKROGꢀWLPHꢀDUHꢀWKHꢀVDPHꢀDVꢀRWKHUꢀLQSXWVꢂꢄꢀWKHꢀLQWHUQDOꢀFORFNꢀLVꢀVXVSHQGHGꢀIURPꢀWKH
QH[WꢀFORFNꢀF\FOHꢀDQGꢀWKHꢀVWDWHꢀRIꢀRXWSXWꢀDQGꢀEXUVWꢀDGGUHVVꢀLVꢀIUR]HQꢀDVꢀORQJꢀDVꢀWKHꢀ&.(ꢀUHPDLQV
ORZꢃꢀ$OOꢀRWKHUꢀLQSXWVꢀDUHꢀLJQRUHGꢀIURPꢀWKHꢀQH[WꢀFORFNꢀF\FOHꢀDIWHUꢀ&.(ꢀJRHVꢀORZꢃꢀ:KHQꢀDOOꢀEDQNVꢀDUH
LQꢀWKHꢀLGOHꢀVWDWHꢀDQGꢀ&.(ꢀJRHVꢀORZꢀV\QFKURQRXVO\ꢀZLWKꢀFORFNꢄꢀWKHꢀ6'5$0ꢀHQWHUVꢀWKHꢀSRZHUꢀGRZQ
PRGHꢀIURPꢀWKHꢀQH[WꢀFORFNꢀF\FOHꢃꢀ7KHꢀ6'5$0ꢀUHPDLQVꢀLQꢀWKHꢀSRZHUꢀGRZQꢀPRGHꢀLJQRULQJꢀWKHꢀRWKHU
LQSXWVꢀDVꢀORQJꢀDVꢀ&.(ꢀUHPDLQVꢀORZꢃꢀ7KHꢀSRZHUꢀGRZQꢀH[LWꢀLVꢀV\QFKURQRXVꢀDVꢀWKHꢀLQWHUQDOꢀFORFNꢀLV
VXVSHQGHGꢃꢀ:KHQꢀ&.(ꢀJRHVꢀKLJKꢀDWꢀOHDVWꢀ³ꢇ&/.ꢀꢐꢀW66³EHIRUHꢀWKHꢀKLJKꢀJRLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢄ
WKHQꢀWKHꢀ6'5$0ꢀEHFRPHVꢀDFWLYHꢀIURPꢀWKHꢀVDPHꢀFORFNꢀHGJHꢀDFFHSWLQJꢀDOOꢀWKHꢀLQSXWꢀFRPPDQGVꢃ
65.5 NOP and Device Deselect
:KHQꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀDUHꢀKLJKꢄꢀWKHꢀ6'5$0ꢀSHUIRUPVꢀQRꢀRSHUDWLRQꢀꢁ123ꢂꢃꢀ123ꢀGRHVꢀQRW
LQLWLDWHꢀDQ\ꢀQHZꢀRSHUDWLRQꢄꢀEXWꢀLVꢀQHHGHGꢀWRꢀFRPSOHWHꢀRSHUDWLRQVꢀZKLFKꢀUHTXLUHꢀPRUHꢀWKDQꢀVLQJOH
FORFNꢀF\FOHꢀOLNHꢀEDQNꢀDFWLYDWHꢄꢀEXUVWꢀUHDGꢄꢀDXWRꢀUHIUHVKꢄꢀHWFꢃꢀ7KHꢀGHYLFHꢀGHVHOHFWꢀLVꢀDOVRꢀDꢀ123ꢀDQG
LVꢀHQWHUHGꢀE\ꢀDVVHUWLQJꢀ&6ꢔꢀKLJKꢃꢀ&6ꢔꢀKLJKꢀGLVDEOHVꢀWKHꢀFRPPDQGꢀGHFRGHUꢀVRꢀWKDWꢀ5$6ꢔꢄꢀ&$6ꢔꢄ
:(ꢔꢀDQGꢀDOOꢀWKHꢀDGGUHVVꢀLQSXWVꢀDUHꢀLJQRUHGꢃ
65.6 DQM Operation
7KHꢀ'40ꢀLVꢀXVHGꢀWRꢀPDVNꢀLQSXWꢀDQGꢀRXWSXWꢀRSHUDWLRQVꢃꢀ,WꢀZRUNVꢀVLPLODUꢀWRꢀ2(ꢔꢀGXULQJꢀUHDGꢀRSHUꢅ
DWLRQꢀDQGꢀLQKLELWVꢀZULWLQJꢀGXULQJꢀZULWHꢀRSHUDWLRQꢃꢀ7KHꢀUHDGꢀODWHQF\ꢀLVꢀWZRꢀF\FOHVꢀIURPꢀ'40ꢀDQG
]HURꢀF\FOHꢀIRUꢀZULWHꢄꢀZKLFKꢀPHDQVꢀ'40ꢀPDVNLQJꢀRFFXUVꢀWZRꢀF\FOHVꢀODWHUꢀLQꢀUHDGꢀF\FOHꢀDQGꢀRFFXUV
LQꢀWKHꢀVDPHꢀF\FOHꢀGXULQJꢀZULWHꢀF\FOHꢃꢀ'40ꢀRSHUDWLRQꢀLVꢀV\QFKURQRXVꢀZLWKꢀWKHꢀFORFNꢃꢀ7KHꢀ'40ꢀVLJꢅ
QDOꢀLVꢀLPSRUWDQWꢀGXULQJꢀEXUVWꢀLQWHUUXSWLRQVꢀRIꢀZULWHꢀZLWKꢀUHDGꢀRUꢀSUHFKDUJHꢀLQꢀWKHꢀ6'5$0ꢃꢀ'XHꢀWR
DV\QFKURQRXVꢀQDWXUHꢀRIꢀWKHꢀLQWHUQDOꢀZULWHꢄꢀWKHꢀ'40ꢀRSHUDWLRQꢀLVꢀFULWLFDOꢀWRꢀDYRLGꢀXQZDQWHGꢀRUꢀLQꢅ
FRPSOHWHꢀZULWHVꢀZKHQꢀWKHꢀFRPSOHWHꢀEXUVWꢀZULWHꢀLVꢀQRWꢀUHTXLUHGꢃꢀ3OHDVHꢀUHIHUꢀWRꢀ'40ꢀWLPLQJ
GLDJUDPꢀDOVRꢃ
65.7 Mode Register Set (MRS)
7KHꢀPRGHꢀUHJLVWHUꢀVWRUHVꢀWKHꢀGDWDꢀIRUꢀFRQWUROOLQJꢀWKHꢀYDULRXVꢀRSHUDWLQJꢀPRGHVꢀRIꢀ6'5$0ꢃꢀ,WꢀSURꢅ
JUDPVꢀWKHꢀ&$6ꢀODWHQF\ꢄꢀEXUVWꢀW\SHꢄꢀEXUVWꢀOHQJWKꢄꢀWHVWꢀPRGHꢀDQGꢀYDULRXVꢀYHQGRUꢀVSHFLILFꢀRSWLRQV
WRꢀPDNHꢀ6'5$0ꢀXVHIXOꢀIRUꢀYDULHW\ꢀRIꢀGLIIHUHQWꢀDSSOLFDWLRQVꢃꢀ7KHꢀGHIDXOWꢀYDOXHꢀRIꢀWKHꢀPRGHꢀUHJLVWHU
LVꢀQRWꢀGHILQHGꢄꢀWKHUHIRUHꢀWKHꢀPRGHꢀUHJLVWHUꢀPXVWꢀEHꢀZULWWHQꢀDIWHUꢀSRZHUꢀXSꢀWRꢀRSHUDWHꢀWKHꢀ6'5$0ꢃ
7KHꢀPRGHꢀUHJLVWHUꢀLVꢀZULWWHQꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀꢁ7KHꢀ6'5$0ꢀVKRXOG
172
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
EHꢀLQꢀDFWLYHꢀPRGHꢀZLWKꢀ&.(ꢀDOUHDG\ꢀKLJKꢀSULRUꢀWRꢀZULWLQJꢀWKHꢀPRGHꢀUHJLVWHUꢂꢃꢀ7KHꢀVWDWHꢀRIꢀDGGUHVV
SLQVꢀ$ꢌꢀaꢀ$QꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀLQꢀWKHꢀVDPHꢀF\FOHꢀDVꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀJRLQJꢀORZꢀLVꢀWKH
GDWDꢀZULWWHQꢀLQꢀWKHꢀPRGHꢀUHJLVWHUꢃꢀ7ZRꢀFORFNꢀF\FOHVꢀLVꢀUHTXLUHGꢀWRꢀFRPSOHWHꢀWKHꢀZULWHꢀLQꢀWKHꢀPRGH
UHJLVWHUꢃꢀ7KHꢀPRGHꢀUHJLVWHUꢀFRQWHQWVꢀFDQꢀEHꢀFKDQJHGꢀXVLQJꢀWKHꢀVDPHꢀFRPPDQGꢀDQGꢀFORFNꢀF\FOH
UHTXLUHPHQWVꢀGXULQJꢀRSHUDWLRQꢀDVꢀORQJꢀDVꢀDOOꢀEDQNVꢀDUHꢀLQꢀWKHꢀLGOHꢀVWDWHꢃꢀ7KHꢀPRGHꢀUHJLVWHUꢀLVꢀGLꢅ
YLGHGꢀLQWRꢀYDULRXVꢀILHOGVꢀGHSHQGLQJꢀRQꢀWKHꢀILHOGVꢀRIꢀIXQFWLRQVꢃꢀ7KHꢀEXUVWꢀOHQJWKꢀILHOGꢀXVHVꢀ$ꢌꢀaꢀ$ꢏꢄ
EXUVWꢀW\SHꢀXVHVꢀ$ꢑꢄꢀ&$6ꢀODWHQF\ꢀꢁUHDGꢀODWHQF\ꢀIURPꢀFROXPQꢀDGGUHVVꢂꢀXVHꢀ$ꢍꢀaꢀ$ꢎꢄꢀYHQGRUꢀVSHFLILF
RSWLRQVꢀRUꢀWHVWꢀPRGHꢀXVHꢀ$ꢈꢀaꢀ$ꢋꢄꢀ$ꢇꢌꢒ$3ꢀaꢀ$QꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢃꢀ7KHꢀZULWHꢀEXUVWꢀOHQJWKꢀLVꢀSURꢅ
JUDPPHGꢀXVLQJꢀ$ꢉꢃꢀ$ꢈꢀaꢀ$ꢋꢄꢀ$ꢇꢌꢒ$3ꢀaꢀ$QꢀDQGꢀ%$ꢌꢀaꢀ%$ꢇꢀPXVWꢀEHꢀVHWꢀWRꢀORZꢀIRUꢀQRUPDOꢀ6'5$0
RSHUDWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀWDEOHꢀIRUꢀVSHFLILFꢀFRGHVꢀIRUꢀYDULRXVꢀEXUVWꢀOHQJWKꢄꢀEXUVWꢀW\SHꢀDQGꢀ&$6
ODWHQFLHVꢃ
65.8 Extended Mode Register Set (EMRS)
7KHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀVWRUHVꢀWKHꢀGDWDꢀIRUꢀVHOHFWLQJꢀGULYHUꢀVWUHQJWKꢀDQGꢀSDUWLDOꢀVHOIꢀUHIUHVKꢃ
(056ꢀF\FOHꢀLVꢀQRWꢀPDQGDWRU\ꢀDQGꢀWKHꢀ(056ꢀFRPPDQGꢀQHHGVꢀWRꢀEHꢀLVVXHGꢀRQO\ꢀZKHQꢀ'6ꢀRUꢀ3$65
LVꢀXVHGꢃꢀ7KHꢀGHIDXOWꢀVWDWHꢀZLWKRXWꢀ(056ꢀFRPPDQGꢀLVVXHGꢀLVꢀKDOIꢀGULYHUꢀVWUHQJWKꢄꢀDQGꢀIXOOꢀDUUD\
UHIUHVKHGꢃꢀ7KHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀLVꢀZULWWHQꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔ
DQGꢀKLJKꢀRQꢀ%$ꢇꢄORZꢀRQꢀ%$ꢌꢁ7KHꢀ6'5$0ꢀVKRXOGꢀEHꢀLQꢀDOOꢀEDQNꢀSUHFKDUJHꢀZLWKꢀ&.(ꢀDOUHDG\ꢀKLJK
SULRUꢀWRꢀZULWLQJꢀLQWRꢀWKHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢂꢃꢀ7KHꢀVWDWHꢀRIꢀDGGUHVVꢀSLQVꢀ$ꢌꢀaꢀ$ꢇꢇꢀLQꢀWKHꢀVDPH
F\FOHꢀDVꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀJRLQJꢀORZꢀLVꢀZULWWHQꢀLQꢀWKHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢃꢀ7ZR
FORFNꢀF\FOHVꢀDUHꢀUHTXLUHGꢀWRꢀFRPSOHWHꢀWKHꢀZULWHꢀRSHUDWLRQꢀLQꢀWKHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢃꢀ7KH
PRGHꢀUHJLVWHUꢀFRQWHQWVꢀFDQꢀEHꢀFKDQJHGꢀXVLQJꢀWKHꢀVDPHꢀFRPPDQGꢀDQGꢀFORFNꢀF\FOHꢀUHTXLUHPHQWV
GXULQJꢀRSHUDWLRQꢀDVꢀORQJꢀDVꢀDOOꢀEDQNVꢀDUHꢀLQꢀWKHꢀLGOHꢀVWDWHꢃꢀ$ꢌꢀꢅꢀ$ꢏꢀDUHꢀXVHGꢀIRUꢀSDUWLDOꢀVHOIꢀUHIUHVKꢄ
$ꢊꢀꢅꢀ$ꢎꢀDUHꢀXVHGꢀIRUꢀ'ULYHUꢀVWUHQJWKꢄꢀ³/RZ´ꢀRQꢀ%$ꢇꢀDQGꢀ³+LJK´ꢀRQꢀ%$ꢌꢀDUHꢀXVHGꢀIRUꢀ(056ꢃꢀ$OOꢀWKH
RWKHUꢀDGGUHVVꢀSLQVꢀH[FHSWꢀ$ꢌa$ꢏꢄꢀ$ꢊa$ꢎꢄꢀ%$ꢇꢄꢀ%$ꢌꢀPXVWꢀEHꢀVHWꢀWRꢀORZꢀIRUꢀSURSHUꢀ(056ꢀRSHUDꢅ
WLRQꢃꢀ5HIHUꢀWRꢀWKHꢀWDEOHꢀIRUꢀVSHFLILFꢀFRGHVꢃ
65.9 Bank Activate
7KHꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀVHOHFWꢀDꢀUDQGRPꢀURZꢀLQꢀDQꢀLGOHꢀEDQNꢃꢀ%\ꢀDVVHUWLQJꢀORZꢀRQ
5$6ꢔꢀDQGꢀ&6ꢔꢀZLWKꢀGHVLUHGꢀURZꢀDQGꢀEDQNꢀDGGUHVVꢄꢀDꢀURZꢀDFFHVVꢀLVꢀLQLWLDWHGꢃꢀ7KHꢀUHDGꢀRUꢀZULWH
RSHUDWLRQꢀFDQꢀRFFXUꢀDIWHUꢀDꢀWLPHꢀGHOD\ꢀRIꢀW5&'ꢁPLQꢂꢀIURPꢀWKHꢀWLPHꢀRIꢀEDQNꢀDFWLYDWLRQꢃꢀW5&'ꢀLVꢀDQ
LQWHUQDOꢀWLPLQJꢀSDUDPHWHUꢀRIꢀ6'5$0ꢄꢀWKHUHIRUHꢀLWꢀLVꢀGHSHQGHQWꢀRQꢀRSHUDWLQJꢀFORFNꢀIUHTXHQF\ꢃꢀ7KH
PLQLPXPꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHGꢀEHWZHHQꢀEDQNꢀDFWLYDWHꢀDQGꢀUHDGꢀRUꢀZULWHꢀFRPPDQG
VKRXOGꢀEHꢀFDOFXODWHGꢀE\ꢀGLYLGLQJꢀW5&'ꢁPLQꢂꢀZLWKꢀF\FOHꢀWLPHꢀRIꢀWKHꢀFORFNꢀDQGꢀWKHQꢀURXQGLQJꢀRIIꢀWKH
UHVXOWꢀWRꢀWKHꢀQH[WꢀKLJKHUꢀLQWHJHUꢃ
7KHꢀ6'5$0ꢀKDVꢀIRXUꢀLQWHUQDOꢀEDQNVꢀLQꢀWKHꢀVDPHꢀFKLSꢀDQGꢀVKDUHVꢀSDUWꢀRIꢀWKHꢀLQWHUQDOꢀFLUFXLWU\ꢀWR
UHGXFHꢀFKLSꢀDUHDꢄꢀWKHUHIRUHꢀLWꢀUHVWULFWVꢀWKHꢀDFWLYDWLRQꢀRIꢀIRXUꢀEDQNVꢀVLPXOWDQHRXVO\ꢃꢀ$OVRꢀWKHꢀQRLVH
JHQHUDWHGꢀGXULQJꢀVHQVLQJꢀRIꢀHDFKꢀEDQNꢀRIꢀ6'5$0ꢀLVꢀKLJKꢄꢀUHTXLULQJꢀVRPHꢀWLPHꢀIRUꢀSRZHUꢀVXSSOLHV
WRꢀUHFRYHUꢀEHIRUHꢀDQRWKHUꢀEDQNꢀFDQꢀEHꢀVHQVHGꢀUHOLDEO\ꢃꢀW55'ꢁPLQꢂꢀVSHFLILHVꢀWKHꢀPLQLPXPꢀWLPHꢀUHꢅ
TXLUHGꢀEHWZHHQꢀDFWLYDWLQJꢀGLIIHUHQWꢀEDQNꢃꢀ7KHꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHGꢀEHWZHHQꢀGLIIHUHQW
EDQNꢀDFWLYDWLRQꢀPXVWꢀEHꢀFDOFXODWHGꢀVLPLODUꢀWRꢀW5&'ꢀVSHFLILFDWLRQꢃꢀ7KHꢀPLQLPXPꢀWLPHꢀUHTXLUHGꢀIRU
WKHꢀEDQNꢀWRꢀEHꢀDFWLYHꢀWRꢀLQLWLDWHꢀVHQVLQJꢀDQGꢀUHVWRULQJꢀWKHꢀFRPSOHWHꢀURZꢀRIꢀG\QDPLFꢀFHOOVꢀLVꢀGHWHUꢅ
PLQHGꢀE\ꢀW5$6ꢁPLQꢂꢃꢀ(YHU\ꢀ6'5$0ꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢀPXVWꢀVDWLVI\ꢀW5$6ꢁPLQꢂꢀVSHFLILFDWLRQ
EHIRUHꢀDꢀSUHFKDUJHꢀFRPPDQGꢀWRꢀWKDWꢀDFWLYHꢀEDQNꢀFDQꢀEHꢀDVVHUWHGꢃꢀ7KHꢀPD[LPXPꢀWLPHꢀDQ\ꢀEDQN
FDQꢀEHꢀLQꢀWKHꢀDFWLYHꢀVWDWHꢀLVꢀGHWHUPLQHGꢀE\ꢀW5$6ꢁPD[ꢂꢃꢀ7KHꢀQXPEHUꢀRIꢀF\FOHVꢀIRUꢀERWKꢀW5$6ꢁPLQꢂ
DQGꢀW5$6ꢁPD[ꢂꢀFDQꢀEHꢀFDOFXODWHGꢀVLPLODUꢀWRꢀW5&'ꢀVSHFLILFDWLRQꢃ
65.10 Burst Read
7KHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀDFFHVVꢀEXUVWꢀRIꢀGDWDꢀRQꢀFRQVHFXWLYHꢀFORFNꢀF\FOHVꢀIURPꢀDQꢀDFꢅ
WLYHꢀURZꢀLQꢀDQꢀDFWLYHꢀEDQNꢃꢀ7KHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀLVVXHGꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢀDQGꢀ&$6ꢔ
ZLWKꢀ:(ꢔꢀEHLQJꢀKLJKꢀRQꢀWKHꢀSRVLWLYHꢀHGJHꢀRIꢀWKHꢀFORFNꢃꢀ7KHꢀEDQNꢀPXVWꢀEHꢀDFWLYHꢀIRUꢀDWꢀOHDVW
W5&'ꢁPLQꢂꢀEHIRUHꢀWKHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀLVVXHGꢃꢀ7KHꢀILUVWꢀRXWSXWꢀDSSHDUVꢀLQꢀ&$6ꢔꢀODWHQF\
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
173
P r e l i m i n a r y n
QXPEHUꢀRIꢀFORFNꢀF\FOHVꢀDIWHUꢀWKHꢀLVVXHꢀRIꢀEXUVWꢀUHDGꢀFRPPDQGꢃꢀ7KHꢀEXUVWꢀOHQJWKꢄꢀEXUVWꢀVHTXHQFH
DQGꢀODWHQF\ꢀIURPꢀWKHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀGHWHUPLQHGꢀE\ꢀWKHꢀPRGHꢀUHJLVWHUꢀZKLFKꢀLVꢀDOUHDG\
SURJUDPPHGꢃꢀ7KHꢀEXUVWꢀUHDGꢀFDQꢀEHꢀLQLWLDWHGꢀRQꢀDQ\ꢀFROXPQꢀDGGUHVVꢀRIꢀWKHꢀDFWLYHꢀURZꢃꢀ7KHꢀDGꢅ
GUHVVꢀZUDSVꢀDURXQGꢀLIꢀWKHꢀLQLWLDOꢀDGGUHVVꢀGRHVꢀQRWꢀVWDUWꢀIURPꢀDꢀERXQGDU\ꢀVXFKꢀWKDWꢀQXPEHUꢀRI
RXWSXWVꢀIURPꢀHDFKꢀ,ꢒ2ꢀDUHꢀHTXDOꢀWRꢀWKHꢀEXUVWꢀOHQJWKꢀSURJUDPPHGꢀLQꢀWKHꢀPRGHꢀUHJLVWHUꢃꢀ7KHꢀRXWSXW
JRHVꢀLQWRꢀKLJKꢅLPSHGDQFHꢀDWꢀWKHꢀHQGꢀRIꢀWKHꢀEXUVWꢄꢀXQOHVVꢀDꢀQHZꢀEXUVWꢀUHDGꢀZDVꢀLQLWLDWHGꢀWRꢀNHHS
WKHꢀGDWDꢀRXWSXWꢀJDSOHVVꢃꢀ7KHꢀEXUVWꢀUHDGꢀFDQꢀEHꢀWHUPLQDWHGꢀE\ꢀLVVXLQJꢀDQRWKHUꢀEXUVWꢀUHDGꢀRUꢀEXUVW
ZULWHꢀLQꢀWKHꢀVDPHꢀEDQNꢀRUꢀWKHꢀRWKHUꢀDFWLYHꢀEDQNꢀRUꢀDꢀSUHFKDUJHꢀFRPPDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢃꢀ7KH
EXUVWꢀVWRSꢀFRPPDQGꢀLVꢀYDOLGꢀDWꢀHYHU\ꢀSDJHꢀEXUVWꢀOHQJWKꢃ
65.11 Burst Write
7KHꢀEXUVWꢀZULWHꢀFRPPDQGꢀLVꢀVLPLODUꢀWRꢀEXUVWꢀUHDGꢀFRPPDQGꢀDQGꢀLVꢀXVHGꢀWRꢀZULWHꢀGDWDꢀLQWRꢀWKH
6'5$0ꢀRQꢀFRQVHFXWLYHꢀFORFNꢀF\FOHVꢀLQꢀDGMDFHQWꢀDGGUHVVHVꢀGHSHQGLQJꢀRQꢀEXUVWꢀOHQJWKꢀDQGꢀEXUVW
VHTXHQFHꢃꢀ%\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀZLWKꢀYDOLGꢀFROXPQꢀDGGUHVVꢄꢀDꢀZULWHꢀEXUVWꢀLV
LQLWLDWHGꢃꢀ7KHꢀGDWDꢀLQSXWVꢀDUHꢀSURYLGHGꢀIRUꢀWKHꢀLQLWLDOꢀDGGUHVVꢀLQꢀWKHꢀVDPHꢀFORFNꢀF\FOHꢀDVꢀWKHꢀEXUVW
ZULWHꢀFRPPDQGꢃꢀ7KHꢀLQSXWꢀEXIIHUꢀLVꢀGHVHOHFWHGꢀDWꢀWKHꢀHQGꢀRIꢀWKHꢀEXUVWꢀOHQJWKꢄꢀHYHQꢀWKRXJKꢀWKH
LQWHUQDOꢀZULWLQJꢀFDQꢀEHꢀFRPSOHWHGꢀ\HWꢃꢀ7KHꢀZULWLQJꢀFDQꢀEHꢀFRPSOHWHGꢀE\ꢀLVVXLQJꢀDꢀEXUVWꢀUHDGꢀDQG
'40ꢀIRUꢀEORFNLQJꢀGDWDꢀLQSXWVꢀRUꢀEXUVWꢀZULWHꢀLQꢀWKHꢀVDPHꢀRUꢀDQRWKHUꢀDFWLYHꢀEDQNꢃꢀ7KHꢀEXUVWꢀVWRS
FRPPDQGꢀLVꢀYDOLGꢀDWꢀHYHU\ꢀEXUVWꢀOHQJWKꢃꢀ7KHꢀZULWHꢀEXUVWꢀFDQꢀDOVRꢀEHꢀWHUPLQDWHGꢀE\ꢀXVLQJꢀ'40ꢀIRU
EORFNLQJꢀGDWDꢀDQGꢀSURFUHDWLQJꢀWKHꢀEDQNꢀW5'/ꢀDIWHUꢀWKHꢀODVWꢀGDWDꢀLQSXWꢀWRꢀEHꢀZULWWHQꢀLQWRꢀWKHꢀDFWLYH
URZꢃꢀ6HHꢀ'40ꢀ23(5$7,21ꢀDOVRꢃ
65.12 All Banks Precharge
$OOꢀEDQNVꢀFDQꢀEHꢀSUHFKDUJHGꢀDWꢀWKHꢀVDPHꢀWLPHꢀE\ꢀXVLQJꢀ3UHFKDUJHꢀDOOꢀFRPPDQGꢃꢀ$VVHUWLQJꢀORZꢀRQ
&6ꢔꢄꢀ5$6ꢔꢄꢀDQGꢀ:(ꢔꢀZLWKꢀKLJKꢀRQꢀ$ꢇꢌꢒ$3ꢀDIWHUꢀDOOꢀEDQNVꢀKDYHꢀVDWLVILHGꢀW5$6ꢁPLQꢂꢀUHTXLUHPHQWꢄ
SHUIRUPVꢀSUHFKDUJHꢀRQꢀDOOꢀEDQNVꢃꢀ$WꢀWKHꢀHQGꢀRIꢀW53ꢀDIWHUꢀSHUIRUPLQJꢀSUHFKDUJHꢀWRꢀDOOꢀWKHꢀEDQNVꢄ
DOOꢀEDQNVꢀDUHꢀLQꢀLGOHꢀVWDWHꢃ
65.13 Precharge
7KHꢀSUHFKDUJHꢀRSHUDWLRQꢀLVꢀSHUIRUPHGꢀRQꢀDQꢀDFWLYHꢀEDQNꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ:(ꢔ
DQGꢀ$ꢇꢌꢒ$3ꢀZLWKꢀYDOLGꢀ%$ꢌꢀaꢀ%$ꢇꢀRIꢀWKHꢀEDQNꢀWRꢀEHꢀSUHFKDUJHGꢃꢀ7KHꢀSUHFKDUJHꢀFRPPDQGꢀFDQꢀEH
DVVHUWHGꢀDQ\WLPHꢀDIWHUꢀW5$6ꢁPLQꢂꢀLVꢀVDWLVILHGꢀIURPꢀWKHꢀEDQNꢀDFWLYHꢀFRPPDQGꢀLQꢀWKHꢀGHVLUHGꢀEDQNꢃ
W53ꢀLVꢀGHILQHGꢀDVꢀWKHꢀPLQLPXPꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHGꢀWRꢀFRPSOHWHꢀURZꢀSUHFKDUJHꢀLVꢀFDOꢅ
FXODWHGꢀE\ꢀGLYLGLQJꢀW53ꢀZLWKꢀFORFNꢀF\FOHꢀWLPHꢀDQGꢀURXQGLQJꢀXSꢀWRꢀWKHꢀQH[WꢀKLJKHUꢀLQWHJHUꢃꢀ&DUH
VKRXOGꢀEHꢀWDNHQꢀWRꢀPDNHꢀVXUHꢀWKDWꢀEXUVWꢀZULWHꢀLVꢀFRPSOHWHGꢀRUꢀ'40ꢀLVꢀXVHGꢀWRꢀLQKLELWꢀZULWLQJꢀEHIRUH
SUHFKDUJHꢀFRPPDQGꢀLVꢀDVVHUWHGꢃꢀ7KHꢀPD[LPXPꢀWLPHꢀDQ\ꢀEDQNꢀFDQꢀEHꢀDFWLYHꢀLVꢀVSHFLILHGꢀE\
W5$6ꢁPD[ꢂꢃꢀ7KHUHIRUHꢄꢀHDFKꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ$WꢀWKHꢀHQGꢀRIꢀSUHFKDUJHꢄꢀWKHꢀEDQNꢀHQWHUVꢀWKH
LGOHꢀVWDWHꢀDQGꢀLVꢀUHDG\ꢀWRꢀEHꢀDFWLYDWHGꢀDJDLQꢃꢀ(QWU\ꢀWRꢀ3RZHUꢀGRZQꢄꢀ$XWRꢀUHIUHVKꢄꢀ6HOIꢀUHIUHVKꢀDQG
0RGHꢀUHJLVWHUꢀVHWꢀHWFꢃꢀLVꢀSRVVLEOHꢀRQO\ꢀZKHQꢀDOOꢀEDQNVꢀDUHꢀLQꢀLGOHꢀVWDWHꢃ
65.14 Auto Precharge
7KHꢀSUHFKDUJHꢀRSHUDWLRQꢀFDQꢀDOVRꢀEHꢀSHUIRUPHGꢀE\ꢀXVLQJꢀDXWRꢀSUHFKDUJHꢃꢀ7KHꢀ6'5$0ꢀLQWHUQDOO\
JHQHUDWHVꢀWKHꢀWLPLQJꢀWRꢀVDWLVI\ꢀW5$6ꢁPLQꢂꢀDQGꢀ³W53´ꢀIRUꢀWKHꢀSURJUDPPHGꢀEXUVWꢀOHQJWKꢀDQGꢀ&$6ꢀODꢅ
WHQF\ꢃꢀ7KHꢀDXWRꢀSUHFKDUJHꢀFRPPDQGꢀLVꢀLVVXHGꢀDWꢀWKHꢀVDPHꢀWLPHꢀDVꢀEXUVWꢀUHDGꢀRUꢀEXUVWꢀZULWHꢀE\
DVVHUWLQJꢀKLJKꢀRQꢀ$ꢇꢌꢒ$3ꢃꢀ,IꢀEXUVWꢀUHDGꢀRUꢀEXUVWꢀZULWHꢀE\ꢀDVVHUWLQJꢀKLJKꢀRQꢀ$ꢇꢌꢒ$3ꢄꢀWKHꢀEDQNꢀLV
OHIWꢀDFWLYHꢀXQWLOꢀDꢀQHZꢀFRPPDQGꢀLVꢀDVVHUWHGꢃꢀ2QFHꢀDXWRꢀSUHFKDUJHꢀFRPPDQGꢀLVꢀJLYHQꢄꢀQRꢀQHZꢀFRPꢅ
PDQGVꢀDUHꢀSRVVLEOHꢀWRꢀWKDWꢀSDUWLFXODUꢀEDQNꢀXQWLOꢀWKHꢀEDQNꢀDFKLHYHVꢀLGOHꢀVWDWHꢃ
65.15 Auto Refresh
7KHꢀVWRUDJHꢀFHOOVꢀRIꢀꢎꢍ0Eꢄꢀꢇꢏꢋ0Eꢄꢀꢏꢊꢎ0EꢀDQGꢀꢊꢇꢏ0Eꢀ6'5$0ꢀQHHGꢀWRꢀEHꢀUHIUHVKHGꢀHYHU\ꢀꢎꢍPV
WRꢀPDLQWDLQꢀGDWDꢃꢀ$QꢀDXWRꢀUHIUHVKꢀF\FOHꢀDFFRPSOLVKHVꢀUHIUHVKꢀRIꢀDꢀVLQJOHꢀURZꢀRIꢀVWRUDJHꢀFHOOVꢃꢀ7KH
LQWHUQDOꢀFRXQWHUꢀLQFUHPHQWVꢀDXWRPDWLFDOO\ꢀRQꢀHYHU\ꢀDXWRꢀUHIUHVKꢀF\FOHꢀWRꢀUHIUHVKꢀDOOꢀWKHꢀURZVꢃꢀ$Q
174
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
DXWRꢀUHIUHVKꢀFRPPDQGꢀLVꢀLVVXHGꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀZLWKꢀKLJKꢀRQꢀ&.(ꢀDQG
:(ꢔꢃꢀ7KHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀFDQꢀRQO\ꢀEHꢀDVVHUWHGꢀZLWKꢀDOOꢀEDQNVꢀEHLQJꢀLQꢀLGOHꢀVWDWHꢀDQGꢀWKH
GHYLFHꢀLVꢀQRWꢀLQꢀSRZHUꢀGRZQꢀPRGHꢀꢁ&.(ꢀLVꢀKLJKꢀLQꢀWKHꢀSUHYLRXVꢀF\FOHꢂꢃꢀ7KHꢀWLPHꢀUHTXLUHGꢀWRꢀFRPꢅ
SOHWHꢀWKHꢀDXWRꢀUHIUHVKꢀRSHUDWLRQꢀLVꢀVSHFLILHGꢀE\ꢀW5&ꢁPLQꢂꢃꢀ7KHꢀPLQLPXPꢀQXPEHUꢀRIꢀFORFNꢀF\FOHV
UHTXLUHGꢀFDQꢀEHꢀFDOFXODWHGꢀE\ꢀGULYLQJꢀW$5)&ꢀZLWKꢀFORFNꢀF\FOHꢀWLPHꢀDQGꢀWKHPꢀURXQGLQJꢀXSꢀWRꢀWKHꢀQH[W
KLJKHUꢀLQWHJHUꢃꢀ7KHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀPXVWꢀEHꢀIROORZHGꢀE\ꢀ123ꢗVꢀXQWLOꢀWKHꢀDXWRꢀUHIUHVKꢀRSꢅ
HUDWLRQꢀLVꢀFRPSOHWHGꢃꢀ$OOꢀEDQNVꢀZLOOꢀEHꢀLQꢀWKHꢀLGOHꢀVWDWHꢀDWꢀWKHꢀHQGꢀRIꢀDXWRꢀUHIUHVKꢀRSHUDWLRQꢃꢀ7KH
DXWRꢀUHIUHVKꢀLVꢀWKHꢀSUHIHUUHGꢀUHIUHVKꢀPRGHꢀZKHQꢀWKHꢀ6'5$0ꢀLVꢀEHLQJꢀXVHGꢀIRUꢀQRUPDOꢀGDWDꢀWUDQVꢅ
DFWLRQVꢃꢀ7KHꢀꢎꢍ0EꢀDQGꢀꢇꢏꢋ0Eꢀ6'5$0¶VꢀDXWRꢀUHIUHVKꢀF\FOHꢀFDQꢀEHꢀSHUIRUPHGꢀRQFHꢀLQꢀꢇꢊꢃꢎVꢀRUꢀD
EXUVWꢀRIꢀꢍꢌꢉꢎꢀDXWRꢀUHIUHVKꢀF\FOHVꢀRQFHꢀLQꢀꢎꢍPVꢃꢀ7KHꢀꢏꢊꢎ0EꢀDQGꢀꢊꢇꢏ0Eꢀ6'5$0¶VꢀDXWRꢀUHIUHVK
F\FOHꢀFDQꢀEHꢀSHUIRUPHGꢀRQFHꢀLQꢀꢈꢃꢋVꢀRUꢀDꢀEXUVWꢀRIꢀꢋꢇꢉꢏꢀDXWRꢀUHIUHVKꢀF\FOHVꢀRQFHꢀLQꢀꢎꢍPVꢃ
65.16 Self Refresh
7KHꢀVHOIꢀUHIUHVKꢀLVꢀDQRWKHUꢀUHIUHVKꢀPRGHꢀDYDLODEOHꢀLQꢀWKHꢀ6'5$0ꢃꢀ7KHꢀVHOIꢀUHIUHVKꢀLVꢀWKHꢀSUHIHUUHG
UHIUHVKꢀPRGHꢀIRUꢀGDWDꢀUHWHQWLRQꢀDQGꢀORZꢀSRZHUꢀRSHUDWLRQꢀRIꢀ6'5$0ꢃꢀ,QꢀVHOIꢀUHIUHVKꢀPRGHꢄꢀWKH
6'5$0ꢀGLVDEOHVꢀWKHꢀLQWHUQDOꢀFORFNꢀDQGꢀDOOꢀWKHꢀLQSXWꢀEXIIHUVꢀH[FHSWꢀ&.(ꢃꢀ7KHꢀUHIUHVKꢀDGGUHVVLQJ
DQGꢀWLPLQJꢀDUHꢀLQWHUQDOO\ꢀJHQHUDWHGꢀWRꢀUHGXFHꢀSRZHUꢀFRQVXPSWLRQꢃ
7KHꢀVHOIꢀUHIUHVKꢀPRGHꢀLVꢀHQWHUHGꢀIURPꢀDOOꢀEDQNVꢀLGOHꢀVWDWHꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔ
DQGꢀ&.(ꢀZLWKꢀKLJKꢀRQꢀ:(ꢔꢃꢀ2QFHꢀWKHꢀVHOIꢀUHIUHVKꢀPRGHꢀLVꢀHQWHUHGꢄꢀRQO\ꢀ&.(ꢀVWDWHꢀEHLQJꢀORZꢀPDWꢅ
WHUVꢄꢀDOOꢀWKHꢀRWKHUꢀLQSXWVꢀLQFOXGLQJꢀWKHꢀFORFNꢀDUHꢀLJQRUHGꢀLQꢀRUGHUꢀWRꢀUHPDLQꢀLQꢀWKHꢀVHOIꢀUHIUHVK
PRGHꢃ
7KHꢀVHOIꢀUHIUHVKꢀLVꢀH[LWHGꢀE\ꢀUHVWDUWLQJꢀWKHꢀH[WHUQDOꢀFORFNꢀDQGꢀWKHQꢀDVVHUWLQJꢀKLJKꢀRQꢀ&.(ꢃꢀ7KLV
PXVWꢀEHꢀIROORZHGꢀE\ꢀ123ꢗVꢀIRUꢀDꢀPLQLPXPꢀWLPHꢀRIꢀW65);ꢀEHIRUHꢀWKHꢀ6'5$0ꢀUHDFKHVꢀLGOHꢀVWDWHꢀWR
EHJLQꢀQRUPDOꢀRSHUDWLRQꢃꢀ,QꢀFDVHꢀWKDWꢀWKHꢀV\VWHPꢀXVHVꢀEXUVWꢀDXWRꢀUHIUHVKꢀGXULQJꢀQRUPDOꢀRSHUDWLRQꢄ
LWꢀLVꢀUHFRPPHQGHGꢀWRꢀXVHꢀEXUVWꢀꢋꢇꢉꢏꢀDXWRꢀUHIUHVKꢀF\FOHVꢀIRUꢀꢏꢊꢎ0EꢀDQGꢀꢊꢇꢏ0EꢄꢀDQGꢀEXUVWꢀꢍꢌꢉꢎ
DXWRꢀUHIUHVKꢀF\FOHVꢀIRUꢀꢇꢏꢋ0EꢀDQGꢀꢎꢍ0EꢀLPPHGLDWHO\ꢀEHIRUHꢀHQWHULQJꢀVHOIꢀUHIUHVKꢀPRGHꢀDQGꢀDIWHU
H[LWLQJꢀLQꢀVHOIꢀUHIUHVKꢀPRGHꢃꢀ2QꢀWKHꢀRWKHUꢀKDQGꢄꢀLIꢀWKHꢀV\VWHPꢀXVHVꢀWKHꢀGLVWULEXWHGꢀDXWRꢀUHIUHVKꢄ
WKHꢀV\VWHPꢀRQO\ꢀKDVꢀWRꢀNHHSꢀWKHꢀUHIUHVKꢀGXW\ꢀF\FOHꢃ
65.17 Basic Feature and Function Descriptions
1) Clock Suspended During Write
2) Clock Suspended During Read (BL=4)
CLK
CLK
CMD
CKE
WR
CMD
CKE
RD
Masked by CKE
Masked by CKE
Internal
CLK
Internal
CLK
D0
D0
D1
D1
D2
D2
D3
D3
DQ(CL2)
DQ(CL3)
DQ(CL2)
DQ(CL3)
Q0
Q1
Q2
Q1
Q3
Q2
Q0
Q3
Not Written
Suspended Dout
Figure 65.1 Clock Suspend
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
175
P r e l i m i n a r y n
1) Write Mask (BL=4)
CLK
2) Read Mask (BL=4)
CLK
CMD
DQM
CMD
DQM
WR
RD
Masked by CKE
Masked by CKE
Hi-Z
DQ(CL2)
DQ(CL3)
DQ(CL2)
DQ(CL3)
Q
0
Q
2
Q
Q
3
D
D
0
0
D
D
1
1
D3
Hi-Z
D3
Q
1
2
Q3
DQM to Data-in Mask = 0
DQM to Data-out Mask = 2
3) DQM with Clock Suspended (Full Page Read) -Note 2
CLK
CMD
RD
CKE
DQM
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Q
0
Q
2
1
Q
4
Q
6
5
Q
7
Q8
DQ(CL2)
DQ(CL3)
Hi-Z
Q
Q
3
Q
Q
6
Q7
Figure 65.2 DQM Operation
Ir)
ꢀꢁ &.(ꢂWRꢂ&/.ꢂGLVDEOHꢍHQDEOHꢂ ꢂꢀ&/.ꢁ
ꢆꢁ '40ꢂPDNHVꢂGDWDꢂRXWꢂ+Lꢃ=ꢂDIWHUꢂꢆ&/.VꢂZKLFKꢂVKRXOGꢂPDVNHGꢂE\ꢂ&.(ꢂ³/´
ꢊꢁ '40ꢂPDVNVꢂERWKꢂGDWDꢃLQꢂDQGꢂGDWDꢃRXWꢁ
176
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
1) Read interrupted by Read (BL=4) -Note 1
CLK
RD RD
CMD
ADD
A
B
DQ(CL2)
DQ(CL3)
QA0 QB0 QB1 QB1 QB3
QA0 QB0 QB1 QB1 QB3
Note 2
tCCD
2) Write interrupted by Write (BL=2)
CLK
3) Write interrupted by Read (BL=2)
CLK
WR RD
CMD
WR WR
CMD
*2
*2
tCCD
tCCD
ADD
A
B
A
B
ADD
DQ
DQ(CL2)
DQ(CL3)
DA0
DA0
QB0 QB1
QB0 QB1
DA0 DB0 DB1
Note 3
tCDL
Note 3
tCDL
Figure 65.3 CAS# Interrupt (1)
Ir)
ꢀꢁ %\ꢂ³,QWHUUXSW´ꢄꢂLWꢂLVꢂPHDQWꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂH[WHUQDOꢂFRPPDQGꢂEHIRUHꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂ
%\ꢂ³&$6ꢅꢂ,QWHUUXSW´ꢄꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂ&$6ꢅꢂDFFHVVꢇꢂUHDGꢂDQGꢂZULWHꢁ
ꢆꢁ W
ꢊꢁ W
ꢔꢂ&$6ꢅꢂWRꢂ&$6ꢅꢂGHOD\ꢁꢂꢏ ꢀ&/.ꢐꢁ
&&'
ꢔꢂ/DVWꢂGDWDꢂLQꢂWRꢂQHZꢂFROXPQꢂDGGUHVVꢂGHOD\ꢁꢂꢏ ꢀ&/.ꢐꢁ
&'/
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
177
P r e l i m i n a r y n
(a) CL=2, BL=4
CLK
i) CMD
RD WR
DQM
DQ
D0
D1
D2
D3
D2
ii) CMD
RD
RD
RD
WR
DQM
DQ
Hi-Z
D0
D1
D3
WR
iii) CMD
DQM
DQ
Hi-Z
D0
D1
D2
D1
D3
D2
iv) CMD
WR
DQM
DQ
Hi-Z
Note 1
Q0
D0
D3
(b) CL=3, BL=4
CLK
RD WR
i) CMD
DQM
DQ
D0
D1
D2
D3
D2
ii) CMD
RD
WR
DQM
DQ
D0
D1
D3
D2
iii) CMD
RD
RD
WR
DQM
DQ
D0
D1
D3
D2
D1
iv) CMD
WR
DQM
DQ
Hi-Z
D0
D1
D3
D2
v) CMD
RD
WR
DQM
DQ
Hi-Z
Note 1
Q0
D0
D3
Figure 65.4 CAS# Interrupt (2): Read Interrupted by Write & DQM
Ir)
ꢀꢁ 7RꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢄꢂWKHUHꢂVKRXOGꢂEHꢂDWꢂOHDVWꢂRQHꢂJDSꢂEHWZHHQꢂGDWDꢂLQꢂDQGꢂGDWDꢂRXWꢁ
178
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
1) t
= 2CLK
RDL
CLK
Note 3
Note 2
CMD
DQM
WR
D0
PRE
D1
D2
DQ
Masked by DQM
Figure 65.5 Write Interrupted by Precharge & DQM
Ir)
ꢀꢁ 7RꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢄꢂ'40ꢂVKRXOGꢂEHꢂLVVXHGꢂZKLFKꢂPDNHVꢂDWꢂOHDVWꢂRQHꢂJDSꢂEHWZHHQꢂGDWDꢂLQꢂ
DQGꢂGDWDꢂRXWꢁ
ꢆꢁ 7RꢂLQKLELWꢂLQYDOLGꢂZULWHꢄꢂ'40ꢂVKRXOGꢂEHꢂLVVXHGꢁ
ꢊꢁ 7KLVꢂSUHFKDUJHꢂFRPPDQGꢂDQGꢂEXUVWꢂZULWHꢂFRPPDQGꢂVKRXOGꢂEHꢂRIꢂWKHꢂVDPHꢂEDQNꢄꢂRWKHUZLVHꢂLWꢂLVꢂQRWꢂ
SUHFKDUJHꢂLQWHUUXSWꢂEXWꢂRQO\ꢂDQRWKHUꢂEDQNꢂSUHFKDUJHꢂRIꢂIRXUꢂEDQNVꢂRSHUDWLRQꢁ
1) Normal Write
BL=4 & t
=2CLK
RDL
CLK
CMD
WR
D0
PRE
DQ
D1
D2
D3
Note 1
t
RDL
2) Normal Read (BL=4)
CLK
Note 2
RD
PRE
Q2
CMD
Note 1
Q3
Q0
Q1
Q0
Q3
Q2
DQ(CL2)
Note 2
Q1
DQ(CL3)
Figure 65.6 Precharge
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
179
P r e l i m i n a r y n
1) Normal Write (BL=4)
CLK
2) Normal Read (BL=4)
CLK
CMD
DQ
WR
ACT
CMD
RD
DQ(CL2)
DQ(CL3)
Q
0
Q
1
Q
2
Q
3
2
D0
D
1
D2
D
3
Q
0
Q
1
Q
Q3
t
=2CLK
=t
RDL
Note 4
t
+ t
DAL RDL RP
Auto Precharge Starts Note 3
Auto Precharge Starts@t
RDL
=2CLK Note 3
Figure 65.7 Auto Precharge
Ir)
ꢀꢁ W
ꢆꢂ&/.ꢂFDQꢂEHꢂVXSSRUWHGꢁ
5'/
ꢆꢁ 1XPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂDIWHUꢂURZꢂSUHFKDUJHꢔꢂꢀꢄꢂꢆꢂIRUꢂ&$6ꢂ/DWHQF\ꢂ ꢂꢆꢄꢂꢊꢂUHVSHFWLYHO\ꢁ
ꢊꢁ 7KHꢂURZꢂDFWLYHꢂFRPPDQGꢂRIꢂWKHꢂSUHFKDUJHꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂW ꢂIURPꢂWKLVꢂSRLQWꢁꢂ7KHꢂQHZꢂ
53
UHDGꢍZULWHꢂFRPPDQGꢂRIꢂRWKHUꢂDFWLYDWHGꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂIURPꢂWKLVꢂSRLQWꢁꢂ$WꢂEXUVWꢂUHDGꢍZULWHꢂZLWKꢂ
DXWRꢂSUHFKDUJHꢄꢂ&$6ꢂLQWHUUXSWꢂRIꢂWKHꢂVDPHꢂEDQNꢂLVꢂLOOHJDO
ꢎꢁ W
ꢂGHILQHGꢂ/DVWꢂGDWDꢂLQꢂWRꢂ$FWLYHꢂGHOD\ꢁꢂW
W
ꢓꢂW ꢂFDQꢂEHꢂVXSSRUWHGꢁ
5'/ 53
'$/
'$/
1) Normal Write
BL=4 & t
=2CLK
WR
RDL
CLK
PRE
CMD
DQM
D0
D1
D2
t
DQ
Note 1
RDL
2) Write Burst Stop (BL=8)
CLK
3) Read Interrupted by Precharge (BL=4)
CLK
WR
STOP
RD
PRE
Q0
CMD
CMD
1
DQ(CL2)
Q1
Q0
DQM
DQ
2
D0
D1
D2
D3
t
Q1
DQ(CL3)
Note 2
BDL
4) Read Burst Stop (BL=4)
CLK
RD
STOP
Q0
CMD
1
Q1
Q0
DQ(CL2)
DQ(CL3)
2
Q1
Figure 65.8 Burst Stop and Interrupted by Precharge
180
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
1) Mode Register Set
CLK
Note 4
CMD
PRE
MRS
ACT
t
2CLK
RP
Figure 65.9 MRS
Ir)
ꢀꢁ W
ꢆꢂ&/.ꢂFDQꢂEHꢂVXSSRUWHGꢁ
5'/
ꢆꢁ W
ꢔꢂꢀꢂ&/.ꢇꢂ/DVWꢂGDWDꢂLQꢂWRꢂEXUVWꢂVWRSꢂGHOD\ꢁꢂ5HDGꢂRUꢂZULWHꢂEXUVWꢂVWRSꢂFRPPDQGꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂ
%'/
EXUVWꢂOHQJWKꢁ
ꢊꢁ 1XPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂDIWHUꢂURZꢂSUHFKDUJHꢂRUꢂEXUVWꢂVWRSꢔꢂꢀꢄꢂꢆꢂIRUꢂ&$6ꢂODWHQF\ ꢂꢆꢄꢂꢊꢂ
UHVSHFWLYHO\ꢁ
ꢎꢁ 35(ꢔꢂ$OOꢂEDQNVꢂSUHFKDUJHꢂLVꢂQHFHVVDU\ꢁꢂ056ꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂSUHFKDUJHꢂVWDWHꢁ
1) Clock Suspend (=Active Power Down) Exit
CLK
2) Power Down (=Precharge Power Down) Exit
CLK
CKE
CKE
t
t
SS
SS
Note 2
Note 1
Internal
Internal
CLK
CLK
RD
NOP ACT
CMD
CMD
Figure 65.10 Clock Suspend Exit and Power Down Exit
ꢊꢉꢎꢄꢆꢎꢄ $XWRꢀ5HIUHVK
$QꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀLVꢀLVVXHGꢀE\ꢀKDYLQJꢀ&6ꢔꢄꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀKHOGꢀORZꢀZLWKꢀ&.(ꢀDQGꢀ:(ꢔ
KLJKꢀDWꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢀꢁ&/.ꢂꢃꢀ$OOꢀEDQNVꢀPXVWꢀEHꢀSUHFKDUJHGꢀDQGꢀLGOHꢀIRUꢀW53ꢁPLQꢂꢀEHIRUH
WKHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀLVꢀDSSOLHGꢃꢀ1RꢀFRQWUROꢀRIꢀWKHꢀH[WHUQDOꢀDGGUHVVꢀSLQVꢀLVꢀUHTXLUHGꢀRQFHꢀWKLV
F\FOHꢀKDVꢀVWDUWHGꢀEHFDXVHꢀRIꢀWKHꢀLQWHUQDOꢀDGGUHVVꢀFRXQWHUꢃꢀ:KHQꢀWKHꢀUHIUHVKꢀF\FOHꢀKDVꢀFRPSOHWHGꢄ
DOOꢀEDQNVꢀZLOOꢀEHꢀLQꢀWKHꢀLGOHꢀVWDWHꢃꢀ$ꢀGHOD\ꢀEHWZHHQꢀWKHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀDQGꢀWKHꢀQH[WꢀDFWLYDWH
FRPPDQGꢀRUꢀVXEVHTXHQWꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀPXVWꢀEHꢀJUHDWHUꢀWKDQꢀRUꢀHTXDOꢀWRꢀWKHꢀW$5)&ꢁPLQꢂꢃ
CLK
Auto
Refresh
PRE
CMD
Command
CKE = High
tRP
tARFC(min)
Figure 65.11 Auto Refresh
ꢊꢉꢎꢄꢆꢎꢈ 6HOIꢀ5HIUHVK
$ꢀ6HOIꢀ5HIUHVKꢀFRPPDQGꢀLVꢀGHILQHGꢀE\ꢀKDYLQJꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ&.(ꢀKHOGꢀORZꢀZLWKꢀ:(ꢔꢀKLJK
DWꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢃꢀ2QFHꢀWKHꢀVHOIꢀ5HIUHVKꢀFRPPDQGꢀLVꢀLQLWLDWHGꢄꢀ&.(ꢀPXVWꢀEHꢀKHOGꢀORZ
WRꢀNHHSꢀWKHꢀGHYLFHꢀLQꢀ6HOIꢀ5HIUHVKꢀPRGHꢃꢀ$IWHUꢀꢇꢀFORFNꢀF\FOHꢀIURPꢀWKHꢀVHOIꢀUHIUHVKꢀFRPPDQGꢄꢀDOOꢀRI
WKHꢀH[WHUQDOꢀFRQWUROꢀVLJQDOVꢀLQFOXGLQJꢀV\VWHPꢀFORFNꢀꢁ&/.ꢂꢀFDQꢀEHꢀGLVDEOHGꢀH[FHSWꢀ&.(ꢃꢀ7KHꢀFORFN
LVꢀLQWHUQDOO\ꢀGLVDEOHGꢀGXULQJꢀ6HOIꢀ5HIUHVKꢀRSHUDWLRQꢀWRꢀUHGXFHꢀSRZHUꢃꢀ7RꢀH[LWꢀWKHꢀ6HOIꢀ5HIUHVK
PRGHꢄꢀVXSSO\ꢀVWDEOHꢀFORFNꢀLQSXWꢀEHIRUHꢀUHWXUQLQJꢀ&.(ꢀKLJKꢄꢀDVVHUWꢀGHVHOHFWꢀRUꢀ123ꢀFRPPDQGꢀDQG
WKHQꢀDVVHUWꢀ&.(ꢀKLJKꢃꢀ,QꢀFDVHꢀWKDWꢀWKHꢀV\VWHPꢀXVHVꢀEXUVWꢀDXWRꢀUHIUHVKꢀGXULQJꢀQRUPDOꢀRSHUDWLRQꢄ
LWꢀLVꢀUHFRPPHQGHGꢀWRꢀXVHꢀEXUVWꢀꢍꢌꢉꢎꢀDXWRꢀUHIUHVKꢀF\FOHꢀLPPHGLDWHO\ꢀEHIRUHꢀHQWHULQJꢀVHOIꢀUHIUHVK
PRGHꢀDQGꢀDIWHUꢀH[LWLQJꢀLQꢀVHOIꢀUHIUHVKꢀPRGHꢃꢀ2QꢀWKHꢀRWKHUꢀKDQGꢄꢀLIꢀWKHꢀV\VWHPꢀXVHVꢀWKHꢀGLVWULEXWHG
DXWRꢀUHIUHVKꢄꢀWKHꢀV\VWHPꢀRQO\ꢀKDVꢀWRꢀNHHSꢀWKHꢀUHIUHVKꢀGXW\ꢀF\FOHꢃ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
181
P r e l i m i n a r y n
CLK
Command
CKE
Stable Clock
Self
Refresh
ACT
NOP
tSRFX(min)
tSS
tSS
Figure 65.12 Self Refresh
66 About Burst Type Control
$Wꢀ056ꢀ$ꢑꢀ ꢀ³ꢌ´ꢃꢀ6HHꢀWKHꢀ%XUVWꢀ6HTXHQFHꢃꢀꢁ%/ ꢍꢄꢀꢋꢂꢀ%/ ꢇꢄꢀꢏꢄꢀꢍꢄꢀ
ꢋꢀDQGꢀIXOOꢀSDJHꢃ
6HTXHQWLDOꢀ&RXQWLQJ
%DVLFꢀ0RGH
$Wꢀ056ꢀ$ꢑꢀ ꢀ³ꢇ´ꢃꢀ6HHꢀWKHꢀ%XUVWꢀ6HTXHQFHꢃꢀꢁ%/ ꢍꢄꢀꢋꢂꢀ%/ ꢍꢄꢀꢋꢃꢀ$Wꢀ
%/ ꢇꢄꢀꢏꢀ,QWHUOHDYHꢀ&RXQWLQJꢀ ꢀ6HTXHQWLDOꢀ&RXQWLQJꢃ
,QWHUOHDYHꢀ&RXQWLQJ
(YHU\ꢀF\FOHꢀ5HDGꢒ:ULWHꢀ&RPPDQGꢀZLWKꢀUDQGRPꢀFROXPQꢀDGGUHVVꢀ
5DQGRPꢀ 5DQGRPꢀFROXPQꢀ$FFHVVꢀ FDQꢀUHDOL]Hꢀ5DQGRPꢀ&ROXPQꢀ$FFHVVꢃ
0RGH
W&&'ꢀ ꢀꢇꢀ&/.
7KDWꢀLVꢀVLPLODUꢀWRꢀ([WHQGHGꢀ'DWDꢀ2XWꢀꢁ('2ꢂꢀ2SHUDWLRQꢀRIꢀ
FRQYHQWLRQDOꢀ'5$0ꢃ
67 About Burst Length Control
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀ³ꢌꢌꢌ´ꢃꢀ$WꢀDXWRꢀSUHFKDUJHꢄꢀW5$6ꢀVKRXOGꢀQRWꢀEHꢀ
YLRODWHGꢃ
ꢇ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀ³ꢌꢌꢇ´ꢃꢀ$WꢀDXWRꢀSUHFKDUJHꢄꢀW5$6ꢀVKRXOGꢀQRWꢀEHꢀ
YLRODWHGꢃ
ꢏ
%DVLFꢀ0RGH
ꢍ
ꢋ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀ³ꢌꢇꢌ´ꢃ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀ³ꢌꢇꢇ´ꢃ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀ³ꢇꢇꢇ´ꢃꢀ:UDSꢀDURXQGꢀPRGHꢀꢁLQILQLWHꢀEXUVWꢀ
OHQJWKꢂꢀVKRXOGꢀEHꢀVWRSSHGꢀE\ꢀEXUVWꢀVWRSꢃꢀ5$6ꢔꢀLQWHUUXSWꢀRUꢀ
&$6ꢔꢀLQWHUUXSWꢃ
)XOOꢀ3DJH
%56:
$Wꢀ056ꢀ$ꢉꢀ ꢀ³ꢇ´ꢃꢀ5HDGꢀEXUVWꢀ ꢇꢄꢀꢏꢄꢀꢍꢄꢀꢋꢄꢀIXOOꢀSDJHꢀZULWHꢀ%XUVWꢀ
ꢇꢃꢀ$WꢀDXWRꢀSUHFKDUJHꢀRIꢀZULWHꢄꢀW5$6ꢀVKRXOGꢀQRWꢀEHꢀYLRODWHGꢃ
6SHFLDOꢀ0RGH
5DQGRPꢀ0RGH
W%'/ ꢀꢇꢄꢀ9DOLGꢀ'4ꢀDIWHUꢀEXUVWꢀVWRSꢀLVꢀꢇꢄꢀꢏꢀIRUꢀ&$6ꢀODWHQF\ꢀꢏꢄꢀꢑꢀ
UHVSHFWLYHO\ꢀ8VLQJꢀEXUVWꢀVWRSꢀFRPPDQGꢄꢀDQ\ꢀEXUVWꢀOHQJWKꢀ
FRQWUROꢀLVꢀSRVVLEOHꢃ
%XUVWꢀ6WRS
%HIRUHꢀWKHꢀHQGꢀRIꢀEXUVWꢄꢀ5RZꢀSUHFKDUJHꢀFRPPDQGꢀRIꢀWKHꢀVDPHꢀ
EDQNꢀVWRSVꢀUHDGꢒZULWHꢀEXUVWꢀZLWKꢀ5RZꢀSUHFKDUJHꢃꢀW5'/ ꢀꢏꢀZLWKꢀ
'40ꢄꢀYDOLGꢀ'4ꢀDIWHUꢀEXUVWꢀVWRSꢀLVꢀꢇꢄꢀꢏꢀIRUꢀ&$6ꢀODWHQF\ꢀꢏꢄꢀꢑꢀ
UHVSHFWLYHO\ꢃꢀ'XULQJꢀUHDGꢒZULWHꢀEXUVWꢀZLWKꢀDXWRꢀSUHFKDUJHꢄꢀ
5$6ꢔꢀLQWHUUXSWꢀFDQꢀQRWꢀEHꢀLVVXHGꢃ
5$6ꢔꢀ,QWHUUXSW
ꢁ,QWHUUXSWHGꢀE\ꢀ
3UHFKDUJHꢂ
,QWHUUXSWꢀ
0RGH
%HIRUHꢀWKHꢀHQGꢀRIꢀEXUVWꢄꢀQHZꢀUHDGꢒZULWHꢀVWRSVꢀUHDGꢒZULWHꢀEXUVWꢀ
DQGꢀVWDUWVꢀQHZꢀUHDGꢒZULWHꢀEXUVWꢃꢀ'XULQJꢀUHDGꢒZULWHꢀEXUVWꢀZLWKꢀ
DXWRꢀSUHFKDUJHꢄꢀ&$6ꢔꢀLQWHUUXSWꢀFDQꢀQRWꢀEHꢀLVVXHGꢃ
&$6ꢔꢀ,QWHUUXSW
182
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
/
$
ꢇꢌꢒ$37HUPꢀEXUVUHWꢄF
ꢑ
/
$
ꢇꢌꢒ$37HUPꢀEXUVUHWꢄF
P r e l i m i n a r y
68 Function Truth Table (1)
Current State
CS# RAS# CAS# WE#
BA
Address
Action
Note
+
/
/
/
/
/
/
/
+
/
/
/
/
/
/
/
;
+
+
+
/
;
+
+
/
;
+
/
;
;
;
;
123
;
;
123
,//(*$/
ꢏ
;
+
/
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3,//(*$/
ꢏ
,GOH
+
+
/
5$
5RZꢀꢁꢓꢀ%DQNꢂꢀ$FWLYHꢕꢀ/DWFKꢀ5$
/
$
ꢇꢌꢒ$3123
;
ꢍ
/
+
/
$XWRꢀ5HIUHVKꢀRUꢀ6HOIꢀ5HIUHVK
ꢊ
ꢊ
/
/
23ꢀFRGH
;
23ꢀFRGH
0RGHꢀ5HJLVWHUꢀ$FFHVV
;
+
+
+
/
;
+
+
/
;
+
/
;
;
;
123
;
123
;
,//(*$/
ꢏ
ꢏ
+
/
%$
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3%HJLQꢀ5HDGꢕꢀODWFKꢀ&$ꢕꢀGHWHUPLQHꢀ$3
&$ꢄꢀ$ꢇꢌꢒ$3%HJLQꢀ5HDGꢕꢀODWFKꢀ&$ꢕꢀGHWHUPLQHꢀ$3
5RZꢀ$FWLYH
/
/
+
+
/
+
/
5$
,//(*$/
/
$ꢇꢌꢒU$H3FK3DUJH
/
;
;
;
,//(*$/
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ
$FWLYHꢂ
+
/
;
+
;
+
;
+
;
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ
$FWLYHꢂ
;
;
/
/
/
/
/
/
+
+
+
/
+
/
/
+
/
;
7HUPꢀEXUVWꢀꢅꢅ!ꢀ5RZꢀDFWLYH
5HDG
%$
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ5HDGꢄꢀ'HWHUPLQHꢀ$3
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ:ULWHꢄꢀ'HWHUPLQHꢀ$3
/
ꢑ
+
+
/
+
/
5$
,//(*$/
K3DUJHꢀWLPLQJꢀIRUꢀ5HDGV
,//(*$/
ꢏ
/
;
;
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ
$FWLYHꢂ
+
/
;
+
;
+
;
+
;
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ
$FWLYHꢂ
;
;
/
/
/
/
/
/
+
/
/
/
/
/
+
/
/
/
/
/
+
/
/
/
/
/
+
+
+
/
+
/
/
+
/
;
%$
%$
%$
%$
;
7HUPꢀEXUVWꢀꢅꢅ!ꢀ5RZꢀDFWLYH
:ULWH
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ5HDGꢄꢀ'HWHUPLQHꢀ$3
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ:ULWHꢄꢀ'HWHUPLQHꢀ$3
ꢑ
ꢑ
/
+
+
/
+
/
5$
,//(*$/
K3DUJHꢀWLPLQJꢀIRUꢀ5HDGV
,//(*$/
ꢏ
/
;
;
+
/
;
;
;
;
;
+
+
+
/
;
+
+
/
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
,//(*$/
;
;
5HDGꢀZLWKꢀ$XWRꢀ
3UHFKDUJH
;
;
;
;
+
/
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3,//(*$/
+
/
5$ꢄꢀ5$ꢇꢌ
,//(*$/
ꢏ
ꢏ
/
;
;
;
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
,//(*$/
;
;
:ULWHꢀZLWKꢀ$XWRꢀ
3UHFKDUJH
;
;
;
;
+
/
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3,//(*$/
+
/
5$ꢄꢀ5$ꢇꢌ
,//(*$/
/
;
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW53
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW53
,//(*$/
;
;
;
;
ꢏ
ꢏ
ꢏ
ꢍ
3UHFKDUJLQJ
;
+
/
%$
%$
%$
&$
5$
,//(*$/
+
+
,//(*$/
/
$ꢇꢌꢒ$3ꢀꢅꢅ!3ꢀ,GOHꢀDIWHUꢀW
53
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
183
P r e l i m i n a r y n
Current State
CS# RAS# CAS# WE#
BA
;
Address
Action
Note
/
+
/
/
/
/
/
/
+
/
/
/
/
+
/
/
/
/
/
;
+
+
+
/
/
;
+
+
/
;
;
+
/
;
;
,//(*$/
;
123ꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢀDIWHUꢀW5&'
123ꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢀDIWHUꢀW5&'
,//(*$/
;
;
;
;
ꢏ
ꢏ
ꢏ
5RZꢀ$FWLYDWLQJ
;
+
/
%$
%$
%$
;
&$
5$
,//(*$/
+
+
/
,//(*$/
/
$
ꢇꢌꢒ$3,//(*$/
ꢏ
/
;
;
;
;
;
;
;
+
/
;
;
;
;
;
;
;
;
;
;
;
,//(*$/
;
+
+
/
;
+
/
;
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW5&
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW5&
,//(*$/
;
5HIUHVKLQJ
;
+
/
;
,//(*$/
/
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀꢏꢀFORFNV
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀꢏꢀFORFNV
,//(*$/
;
0RGHꢀ5HJLVWHUꢀ
5HIUHVKLQJ
;
;
;
;
,//(*$/
;
;
,//(*$/
Grtrq)ꢂ5$ꢂ ꢂ5RZꢂ$GGUHVVꢄꢂ%$ꢂ ꢂ%DQNꢂ$GGUHVVꢄꢂ123ꢂ ꢂ1Rꢂ2SHUDWLRQꢂ&RPPDQGꢄꢂ&$ꢂ ꢂ&ROXPQꢂ$Gꢃ
GUHVVꢄꢂ$3ꢂ ꢂ$XWRꢂ3UHFKDUJH
Ir)
ꢀꢁ $OOꢂHQWULHVꢂDVVXPHꢂWKHꢂ&.(ꢂZDVꢂDFWLYHꢂꢏ+LJKꢐꢂGXULQJꢂWKHꢂSUHFKDUJHꢂFORFNꢂDQGꢂWKHꢂFXUUHQWꢂFORFNꢂF\FOHꢁ
ꢆꢁ ,OOHJDOꢂWRꢂEDQNꢂLQꢂVSHFLILHGꢂVWDWHꢇꢂ)XQFWLRQꢂPD\ꢂEHꢂOHJDOꢂLQꢂWKHꢂEDQNꢂLQGLFDWHGꢂE\ꢂ%$ꢄꢂGHSHQGLQJꢂRQꢂ
WKHꢂVWDWHꢂRIꢂWKDWꢂEDQNꢁ
ꢊꢁ 0XVWꢂVDWLVI\ꢂEXVꢂFRQWHQWLRQꢄꢂEXVꢂWXUQꢂDURXQGꢄꢂDQGꢍRUꢂZULWHꢂUHFRYHU\ꢂUHTXLUHPHQWVꢁ
ꢎꢁ 123ꢂWRꢂEDQNꢂSUHFKDUJLQJꢂRUꢂLQꢂLGOHꢂVWDWHꢁꢂ0D\ꢂSUHFKDUJHꢂEDQNꢂLQGLFDWHGꢂE\ꢂ%$ꢂꢏDQGꢂ$ ꢍ$3ꢐꢁ
ꢀꢈ
ꢉꢁ ,OOHJDOꢂLIꢂDQ\ꢂEDQNꢂLVꢂQRWꢂLGOHꢁ
184
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
69 Function Truth Table (2)
Current State CKE (n-1) CKE n CS# RAS# CAS# WE# Address
Action
Note
([LWꢀ6HOIꢀ5HIUHVKꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀ
+
/
;
+
+
;
+
/
;
;
+
;
;
+
;
;
+
;
;
;
WV5);ꢁ$%,ꢂ
([LWꢀ6HOIꢀ5HIUHVKꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀWV5);ꢀ
ꢁ$%,ꢂ
ꢎ
ꢎ
([LWꢀ6HOIꢀ5HIUHVKꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀWV5);
ꢁ$%,ꢂ
ꢀ
/
6HOIꢀ5HIUHVK
/
/
+
+
+
/
/
/
+
+
/
+
/
/
;
;
;
;
;
+
/
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
5$
;
,//(*$/
,//(*$/
/
/
;
;
;
;
+
+
/
,//(*$/
/
;
;
+
/
;
;
;
+
+
+
/
123ꢀꢁ0DLQWDLQꢀ6HOIꢀ5HIUHVKꢂ
,19$/,'
+
/
;
+
+
+
+
+
/
([LWꢀ3RZHUꢀ'RZQꢀꢅꢅ!ꢀ$%,
([LWꢀ3RZHUꢀ'RZQꢀꢅꢅ!ꢀ$%,
,//(*$/
/
ꢈ
ꢈ
$OOꢀ%DQNVꢀ
3UHFKDUJHꢀ
3RZHUꢀ'RZQ
/
/
/
/
;
;
;
;
;
+
/
,//(*$/
/
/
;
;
;
;
+
+
/
,//(*$/
/
;
;
+
/
;
;
;
+
+
+
/
123ꢀꢁ0DLQWDLQꢀ/RZꢀ3RZHUꢀ0RGHꢂ
5HIHUꢀWRꢀWKH)XQFWLRQꢀ7UXWKꢀ7DEOHꢀꢁꢇꢂ
(QWHUꢀ3RZHUꢀ'RZQ
(QWHUꢀ3RZHUꢀ'RZQ
,//(*$/
+
+
+
+
+
+
+
+
/
+
/
/
ꢋ
ꢋ
/
/
$OOꢀ%DQNVꢀ,GOH
/
/
;
+
+
/
,//(*$/
/
/
+
/
5RZꢀꢁꢓꢀ%DQNꢂꢀ$FWLYH
(QWHUꢀ6HOIꢀ5HIUHVK
/
/
/
ꢋ
/
/
/
/
23ꢀ&RGH 0RGHꢀ5HJLVWHUꢀ$FFHVV
/
;
;
;
;
;
123
5HIHUꢀWRꢀ2SHUDWLRQVꢀLQꢀ)XQFWLRQꢀ7UXWKꢀ
7DEOHꢀꢁꢇꢂ
+
+
;
;
;
;
;
$Q\ꢀ6WDWHꢀ
RWKHUꢀWKDQꢀ
/LVWHGꢀDERYH
+
/
/
+
/
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
%HJLQꢀ&ORFNꢀ6XVSHQGꢀQH[WꢀF\FOH
([LWꢀ&ORFNꢀ6XVSHQGꢀQH[WꢀF\FOH
0DLQWDLQꢀ&ORFNꢀ6XVSHQG
ꢉ
ꢉ
/
Grtrq)ꢂ$%,ꢂ ꢂ$OOꢂ%DQNVꢂ,GOHꢄꢂ5$ꢂ ꢂ5RZꢂ$GGUHVV
Ir)
ꢌꢁ &.(ꢂORZꢂWRꢂKLJKꢂWUDQVLWLRQꢂLVꢂDV\QFKURQRXVꢁ
ꢋꢁ &.(ꢂORZꢂWRꢂKLJKꢂWUDQVLWLRQꢂLVꢂDV\QFKURQRXVꢂLIꢂUHVWDUWVꢂLQWHUQDOꢂFORFNꢁꢂ$ꢂPLQLPXPꢂVHWXSꢂWLPHꢂꢀ&/.ꢂ
ꢓꢂW ꢂPXVWꢂEHꢂVDWLVILHGꢂEHIRUHꢂDQ\ꢂFRPPDQGꢂRWKHUꢂWKDQꢂH[LWꢁ
66
ꢑꢁ 3RZHUꢂGRZQꢂDQGꢂVHOIꢂUHIUHVKꢂFDQꢂEHꢂHQWHUHGꢂRQO\ꢂIURPꢂWKHꢂDOOꢂEDQNVꢂLGOHꢂVWDWHꢁ
ꢒꢁ 0XVWꢂEHꢂDꢂOHJDOꢂFRPPDQGꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
185
P r e l i m i n a r y n
70 AC Characteristics
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
CLOCK
CKE
Hi
CS#
RAS#
CAS#
ADDR
BA0
Key
Key
RAa
BA1
A10/AP
DQ
RAa
Hi-Z
Hi-Z
WE#
DQM
High level is necessary
tRP
tARFC
tARFC
Precharge
(All Bank)
Auto
Refresh
Auto
Refresh
Normal
MRS
Extended
MRS
Row Active
(A-Bank)
: Don’t care
Figure 70.1 Power Up Sequence for Mobile SDRAM
Ir)
ꢀꢁ $SSO\ꢂSRZHUꢂDQGꢂDWWHPSWꢂWRꢂPDLQWDLQꢂ&.(ꢂDWꢂDꢂKLJKꢂVWDWHꢂDQGꢂDOOꢂRWKHUꢂLQSXWVꢂPD\ꢂEHꢂXQGHILQHGꢁ
ꢃꢂ$SSO\ꢂ9 ꢂEHIRUHꢂRUꢂDWꢂWKHꢂVDPHꢂWLPHꢂDVꢂ9
ꢁ
''4
''
ꢆꢁ 0DLQWDLQꢂVWDEOHꢂSRZHUꢄꢂVWDEOHꢂFORFNꢂDQGꢂ123ꢂLQSXWꢂFRQGLWLRQꢂIRUꢂDꢂPLQLPXPꢂRIꢂꢆꢈꢈVꢁ
ꢊꢁ ,VVXHꢂSUHFKDUJHꢂFRPPDQGVꢂIRUꢂDOOꢂEDQNVꢂRIꢂWKHꢂGHYLFHVꢁ
ꢎꢁ ,VVXHꢂꢆꢂRUꢂPRUHꢂDXWRꢃUHIUHVKꢂFRPPDQGVꢁ
ꢉꢁ ,VVXHꢂDꢂPRGHꢂUHJLVWHUꢂVHWꢂFRPPDQGꢂWRꢂLQLWLDOL]HꢂWKHꢂPRGHꢂUHJLVWHUꢁ
ꢌꢁ ,VVXHꢂDꢂH[WHQGHGꢂPRGHꢂUHJLVWHUꢂVHWꢂFRPPDQGꢂWRꢂGHILQHꢂ'6ꢂRUꢂ3$65ꢂRSHUDWLQJꢂW\SHꢂRIꢂWKHꢂGHYLFHꢂ
DIWHUꢂQRUPDOꢂ056ꢁꢂ(056ꢂF\FOHꢂLVꢂQRWꢂPDQGDWRU\ꢂDQGꢂWKHꢂ(056ꢂFRPPDQGꢂQHHGVꢂWRꢂEHꢂLVVXHGꢂRQO\ꢂ
ZKHQꢂ'6ꢂRUꢂ3$65ꢂLVꢂXVHGꢁ7KHꢂGHIDXOWꢂVWDWHꢂZLWKRXWꢂ(056ꢂFRPPDQGꢂLVVXHGꢂLVꢂKDOIꢂGULYHUꢂVWUHQJWKꢄꢂ
DOOꢂꢎꢂEDQNVꢂUHIUHVKHGꢁꢂ7KHꢂGHYLFHꢂLVꢂQRZꢂUHDG\ꢂIRUꢂWKHꢂRSHUDWLRQꢂVHOHFWHGꢂE\ꢂ(056ꢁꢂ)RUꢂRSHUDWLQJꢂ
ZLWKꢂ'6ꢂRUꢂ3$65ꢄꢂVHWꢂ'6ꢂRUꢂ3$65ꢂPRGHꢂLQꢂ(056ꢂVHWWLQJꢂVWDJHꢁꢂ,QꢂRUGHUꢂWRꢂDGMXVWꢂDQRWKHUꢂPRGHꢂLQꢂ
WKHꢂVWDWHꢂRIꢂ'6ꢂRUꢂ3$65ꢂPRGHꢄꢂDGGLWLRQDOꢂ(056ꢂVHWꢂLVꢂUHTXLUHGꢂEXWꢂSRZHUꢂXSꢂVHTXHQFHꢂLVꢂQRWꢂ
186
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
QHHGHGꢂDJDLQꢂDWꢂWKLVꢂWLPHꢁꢂ,QꢂWKDWꢂFDVHꢄꢂDOOꢂEDQNVꢂKDYHꢂWRꢂEHꢂLQꢂLGOHꢂVWDWHꢂSULRUꢂWRꢂDGMXVWLQJꢂ(056ꢂ
VHWꢁ
tCH
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
tCC
tCL
HIGH
tRP
tRAS
tRC
*Note 1
tSH
CS#
tRCD
tSS
tSH
tSH
RAS#
CAS#
tSS
tSH
tSS
Ca
ADDR
BA0,BA1
A10/AP
Ra
Cb
Cc
Rb
tSS
*Note 2
BS
*Note 2,3
BS
*Note 2,3
BS
*Note 2,3 *Note 4
BS BS
*Note 2
BS
*Note 3
*Note 3
*Note 3 *Note 4
Ra
Rb
tSH
Db
tSAC
Qa
DQ
WE#
DQM
Qc
tSS
tSS tSH
tSLZ
tOH
tSS tSH
Row Active
Read
Write
Read
Row Active
Precharge
: Don’t care
Figure 70.2 Single Bit Read-Write-Read Cycle (Same Page) @CAS Latency=3,
Burst Length=1
Ir)
ꢀꢁ $OOꢂLQSXWꢂH[FHSWꢂ&.(ꢂꢗꢂ'40ꢂFDQꢂEHꢂGRQꢘWꢂFDUHꢂZKHQꢂ&6ꢅꢂLVꢂKLJKꢂDWꢂWKHꢂ&/.ꢂKLJKꢂJRLQJꢂHGJHꢁ
ꢆꢁ %DQNꢂDFWLYHꢂDQGꢂUHDGꢍZULWHꢂDUHꢂFRQWUROOHGꢂE\ꢂ%$ꢈꢄꢂ%$ꢀꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
187
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
*Note 1
tRC
CS#
RAS#
*Note 2
CAS#
ADDR
BA0
Ra
Ca
Rb
Cb
BA1
A10/AP
CL=2
Ra
Rb
tOH
Qa0 Qa1 Qa2 Qa3
Db0 Db1 Db2 Db3
Db0 Db1 Db2 Db3
tRDL
tSHZ
tRCD
tSAC
tOH
*Note 4
tSHZ
DQ
{
CL=3
Qa0 Qa1 Qa2 Qa3
tSAC
tRDL
*Note 4
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Precharge
(A-Bank)
Row Active
(A-Bank)
Write
(A-Bank)
Precharge
(A-Bank)
: Don’t care
Figure 70.3 Read & Write Cycle at Same Bank @Burst Length=4, tRDL=2CLK
Ir)
ꢀꢁ 0LQLPXPꢂURZꢂF\FOHꢂWLPHVꢂLVꢂUHTXLUHGꢂWRꢂFRPSOHWHꢂLQWHUQDOꢂ'5$0ꢂRSHUDWLRQꢁ
ꢆꢁ 5RZꢂSUHFKDUJHꢂFDQꢂLQWHUUXSWꢂEXUVWꢂRQꢂDQ\ꢂF\FOHꢁꢂ>&$6ꢂ/DWHQF\ꢂꢃꢂꢀ@ꢂQXPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂLVꢂ
DYDLODEOHꢂDIWHUꢂ5RZꢂSUHFKDUJHꢁꢂ/DVWꢂYDOLGꢂRXWSXWꢂZLOOꢂEHꢂ+Lꢃ=ꢏW
ꢐꢂDIWHUꢂWKHꢂFORFNꢁ
6+=
ꢊꢁ 2XWSXWꢂZLOOꢂEHꢂ+Lꢃ=ꢂDIWHUꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂꢏꢀꢄꢂꢆꢄꢂꢎꢄꢂꢑꢂꢗꢂ)XOOꢂSDJHꢂELWꢂEXUVWꢐꢁ
188
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
Ra
Ca
Cb
Cc
Cd
Rb
BA1
A10/AP
CL=2
Ra
Rb
tRDL
Qa0 Qa1 Qb0 Qb1 Qb2
Dc0 Dc1 Dd0 Dd1
tRCD
tDAL
*Note 4
DQ
{
CL=3
Qa0 Qa1 Qb0 Qb1
Dc0 Dc1 Dd0 Dd1
tCDL
WE#
*Note 1
*Note 3
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Read
(A-Bank)
Write
(A-Bank)
Write
(A-Bank)
Precharge
(A-Bank)
Row Active
(A-Bank)
: Don’t care
Figure 70.4 Page Read & Write Cycle at Same Bank @Burst Length=4,
tRDL=2CLK
Ir)
ꢀꢁ 7RꢂZULWHꢂGDWDꢂEHIRUHꢂEXUVWꢂUHDGꢂHQGVꢄꢂ'40ꢂVKRXOGꢂEHꢂDVVHUWHGꢂWKUHHꢂF\FOHꢂSULRUꢂWRꢂZULWHꢂFRPPDQGꢂ
WRꢂDYRLGꢂEXVꢂFRQWHQWLRQꢁ
ꢆꢁ 5RZꢂSUHFKDUJHꢂZLOOꢂLQWHUUXSWꢂZULWLQJꢁꢂ/DVWꢂGDWDꢂLQSXWꢄꢂW
ꢂEHIRUHꢂ5RZꢂSUHFKDUJHꢄꢂZLOOꢂEHꢂZULWWHQꢁ
5'/
ꢊꢁ '40ꢂVKRXOGꢂPDVNꢂLQYDOLGꢂLQSXWꢂGDWDꢂRQꢂSUHFKDUJHꢂFRPPDQGꢂF\FOHꢂZKHQꢂDVVHUWLQJꢂSUHFKDUJHꢂEHIRUHꢂ
HQGꢂRIꢂEXUVWꢁꢂ,QSXWꢂGDWDꢂDIWHUꢂ5RZꢂSUHFKDUJHꢂF\FOHꢂZLOOꢂEHꢂPDVNHGꢂLQWHUQDOO\ꢁ
ꢎꢁ W
ꢄꢂODVWꢂGDWDꢂLQꢂWRꢂDFWLYHꢂGHOD\ꢄꢂLVꢂꢆ&/.ꢂꢓꢂW
ꢁ
53
'$/
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
189
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
*Note 1
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
RAa
RBb CAa
RCc CBb
RDd CCc
CDd
BA1
A10/AP
CL=2
RAa
RBb
RCc
RDd
QAa0 QAa1 QAa2 QBb0 QBb1 QBb2 QCc0 QCc1 QCc2
QDd0 QDd1 QDd2
DQ
{
CL=3
QAa0 QAa1 QAa2 QBb0 QBb1 QBb2 QCc0 QCc1 QCc2 QDd0 QDd1 QDd2
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Read
(B-Bank)
Read
(C-Bank)
Read
(D-Bank)
Precharge
(D-Bank)
Row Active
(B-Bank)
Row Active
(C-Bank)
Row Active
(D-Bank)
Precharge
(C-Bank)
Precharge
(A-Bank)
Precharge
(B-Bank)
: Don’t care
Figure 70.5 Page Read Cycle at Different Bank @Burst Length=4
Ir)
ꢀꢁ &6ꢅꢂFDQꢂEHꢂGRQꢘWꢂFDUHGꢂZKHQꢂ5$6ꢅꢄꢂ&$6ꢅꢂDQGꢂ:(ꢅꢂDUHꢂKLJKꢂDWꢂWKHꢂFORFNꢂKLJKꢂJRLQJꢂHGJHꢁ
ꢆꢁ 7RꢂLQWHUUXSWꢂDꢂEXUVWꢂUHDGꢂE\ꢂURZꢂSUHFKDUJHꢄꢂERWKꢂWKHꢂUHDGꢂDQGꢂWKHꢂSUHFKDUJHꢂEDQNVꢂPXVWꢂEHꢂWKHꢂ
VDPHꢁ
190
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
RAa
RAb CAa
CBb RCc
RDd CCc
CDd
BA1
A10/AP
DQ
RAa
RBb
RCc
RDd
DAa0 DAa1 DAa2 DAa3 DBb0 DBb1 DBb2 DBb3 DCc0 DCc1 DDd0 DDd1 DDd2
tCDL
tRDL
WE#
*Note 1
DQM
Row Active
(A-Bank)
Write
(A-Bank)
Write
(B-Bank)
Row Active
(D-Bank)
Write
(D-Bank)
Precharge
(All Banks)
Row Active
(B-Bank)
Row Active
(C-Bank)
Write
(C-Bank)
: Don’t care
Figure 70.6 Page Write Cycle at Different Bank @Burst Length=4, tRDL=2CLK
Ir)
ꢀꢁ 7RꢂLQWHUUXSWꢂEXUVWꢂZULWHꢂE\ꢂ5RZꢂSUHFKDUJHꢄꢂ'40ꢂVKRXOGꢂEHꢂDVVHUWHGꢂWRꢂPDVNꢂLQYDOLGꢂLQSXWꢂGDWDꢁ
ꢆꢁ 7RꢂLQWHUUXSWꢂEXUVWꢂZULWHꢂE\ꢂ5RZꢂSUHFKDUJHꢄꢂERWKꢂWKHꢂZULWHꢂDQGꢂWKHꢂSUHFKDUJHꢂEDQNVꢂPXVWꢂEHꢂWKHꢂ
VDPHꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
191
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
RAa
CAa
RDb
CDb RBc
CBc
BA1
A10/AP
CL=2
RAa
RDb
RBc
t
CDL
*Note 1
QAa0 QAa1 QAa2 QAa3
DDb0 DDb1 DDb2 DDb3
QBc0 QBc1 QBc2
QBc0 QBc1
DQ
{
CL=3
QAa0 QAa1 QAa2 QAa3
DDb0 DDb1 DDb2 DDb3
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Precharge
(A-Bank)
Write
(D-Bank)
Read
(B-Bank)
Row Active
(D-Bank)
Row Active
(B-Bank)
: Don’t care
Figure 70.7 Read & Write Cycle at Different Bank @Burst Length=4
Ir)
ꢀꢁ W
ꢂVKRXOGꢂEHꢂPHWꢂWRꢂFRPSOHWHꢂZULWHꢁ
&'/
192
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
RAa
RBb CAa
CBb
RAc
CAc
BA0
BA1
A10/AP
DQ CL=2
RAa
RBb
RAc
QAa0 QAa1 QBb0 QBb1 QBb2 DBb3
DAc0 DAc1
DAc0 DAc1
CL=3
QAa0 QAa1 QBb0 QBb1 QBb2 DBb3
WE#
DQM
Row Active
(A-Bank)
Read with Read without Auto
Auto Pre Precharge(B-Bank)
Precharge
(B-Bank)
Row Active
(A-Bank)
Write with
Auto Precharge
(A-Bank)
charge
Auto Precharge
Start Point
(A-Bank)
(A-Bank) *Note1
Row Active
(B-Bank)
: Don’t care
Figure 70.8 Read & Write Cycle with Auto Precharge 1 @Burst Length=4
Ir)
ꢀꢁ :KHQꢂ5HDGꢂꢏ:ULWHꢐꢂFRPPDQGꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLVꢂLVVXHGꢂDWꢂ$ꢃ%DQNꢂDIWHUꢂ$ꢂDQGꢂ%ꢂ%DQNꢂDFWLYDWLRQꢁ
ꢃꢂLIꢂ5HDGꢂꢏ:ULWHꢐꢂFRPPDQGꢂZLWKRXWꢂDXWRꢂSUHFKDUJHꢂLVꢂLVVXHGꢂDWꢂ%ꢃ%DQNꢂEHIRUHꢂ$ꢃ%DQNꢂDXWRꢂ
SUHFKDUJHꢂVWDUWVꢄꢂ$ꢃ%DQNꢂDXWRꢂSUHFKDUJHꢂZLOOꢂVWDUWꢂDWꢂ%ꢃ%DQNꢂUHDGꢂFRPPDQGꢂLQSXWꢂSRLQWꢁ
ꢃꢂDQ\ꢂFRPPDQGꢂFDQꢂQRWꢂEHꢂLVVXHGꢂDWꢂ$ꢃ%DQNꢂGXULQJꢂW53ꢂDIWHUꢂ$ꢃ%DQNꢂDXWRꢂSUHFKDUJHꢂVWDUWVꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
193
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
Ra
Ca
Rb
Cb
BA1
A10/AP
DQ CL=2
Ra
Rb
Qa0 Qa1 Qa2 Qa3
Qb0 Qb1 Qb2 Qb3
CL=3
Qa0 Qa1 Qa2 Qa3
Qb0 Qb1 Qb2 Qb3
WE#
DQM
*Note1
Auto Precharge
Start Point
(B-Bank)
Row Active
(A-Bank)
Read with
Auto Precharge
(A-Bank)
Read with
Auto Precharge
(B-Bank)
Auto Precharge
Start Point
(A-Bank)
Row Active
(B-Bank)
: Don’t care
Figure 70.9 Read & Write Cycle with Auto Precharge 2 @Burst Length=4
Ir)
ꢀꢁ $Q\ꢂFRPPDQGꢂWRꢂ$ꢃEDQNꢂLVꢂQRWꢂDOORZHGꢂLQꢂWKLVꢂSHULRGꢁꢂW ꢂLVꢂGHWHUPLQHGꢂIURPꢂDWꢂDXWRꢂSUHFKDUJHꢂVWDUWꢂ
53
SRLQWꢁ
194
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
CS#
RAS#
CAS#
ADDR
BA0
Ra
Ca
Cb
Cc
BA1
A10/AP
DQ
Ra
Qa0 Qa1
Qa2
Qa3
Qb0 Qb1
tSHZ
Dc0
Dc2
tSHZ
WE#
*Note 1
DQM
Row Active
Read
Clock
Suspension
Read
Read DQM
Write
DQM
Write
DQM
Write
Clock
Suspension
: Don’t care
Figure 70.10 Clock Suspension & DQM Operation Cycle @CAS Latency=2,
Burst Length=4
Ir)
ꢀꢁ '40ꢂLVꢂQHHGHGꢂWRꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
195
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
RAa
CAa
CAb
BA1
A10/AP
CL=2
RAa
1
1
QAb0 QAb1 QAb2 QAb3 QAb4 QAb5
QAa0 QAa1 QAa2 QAa3 QAa4
DQ
2
2
{
CL=3
QAa0 QAa1 QAa2 QAa3 QAa4
QAb0 QAb1 QAb2 QAb3 QAb4 QAb5
WE#
DQM
Precharge
(A-Bank)
Row Active
(A-Bank)
Read
(A-Bank)
Burst Stop
Read
(A-Bank)
: Don’t care
Figure 70.11 Read Interrupted by Precharge Command & Read Burst Stop
Cycle @Full Page Burst
Ir)
ꢀꢁ $WꢂIXOOꢂSDJHꢂPRGHꢄꢂEXUVWꢂLVꢂILQLVKHGꢂE\ꢂEXUVWꢂVWRSꢂRUꢂSUHFKDUJHꢁ
ꢆꢁ $ERXWꢂWKHꢂYDOLGꢂ'4VꢂDIWHUꢂEXUVWꢂVWRSꢄꢂLWꢂLVꢂVDPHꢂDVꢂWKHꢂFDVHꢂRIꢂ5$6ꢅꢂLQWHUUXSWꢁ
%RWKꢂFDVHVꢂDUHꢂLOOXVWUDWHGꢂDERYHꢂWLPLQJꢂGLDJUDPꢁꢂ6HHꢂWKHꢂODEHOꢂꢀꢄꢂꢆꢂRQꢂWKHPꢁ
%XWꢂDWꢂEXUVWꢂZULWHꢄꢂ%XUVWꢂVWRSꢂDQGꢂ5$6ꢅꢂLQWHUUXSWꢂVKRXOGꢂEHꢂFRPSDUHGꢂFDUHIXOO\ꢁ
5HIHUꢂWKHꢂWLPLQJꢂGLDJUDPꢂRIꢂ³)XOOꢂSDJHꢂZULWHꢂEXUVWꢂVWRSꢂF\FOH´ꢁ
ꢊꢁ %XUVWꢂVWRSꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂEXUVWꢂOHQJWKꢁ
196
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
RAa
CAa
CAb
BA1
A10/AP
DQ
RAa
tBDL
tRDL
*Note 1
*Note 1,2
DAa0 DAa1 DAa2 DAa3 DAa4
DAb0 DAb1 DAb2 DAb3 DAb4 DAb5
WE#
DQM
Row Active
(A-Bank)
Write
(A-Bank)
Burst Stop
Write
(A-Bank)
Precharge
(A-Bank)
: Don’t care
Figure 70.12 Write Interrupted by Precharge Command & Write Burst Stop
Cycle @ Full Page Burst, tRDL=2CLK
Ir)
ꢀꢁ $WꢂIXOOꢂSDJHꢂPRGHꢄꢂEXUVWꢂLVꢂILQLVKHGꢂE\ꢂEXUVWꢂVWRSꢂRUꢂSUHFKDUJHꢁ
ꢆꢁ 'DWDꢃLQꢂDWꢂWKHꢂF\FOHꢂRIꢂLQWHUUXSWHGꢂE\ꢂSUHFKDUJHꢂFDQꢂQRWꢂEHꢂZULWWHQꢂLQWRꢂWKHꢂFRUUHVSRQGLQJꢂPHPRU\ꢂ
FHOOꢁꢂ,WꢂLVꢂGHILQHGꢂE\ꢂ$&ꢂSDUDPHWHUꢂRIꢂW
ꢁ
5'/
'40ꢂDWꢂZULWHꢂLQWHUUXSWHGꢂE\ꢂSUHFKDUJHꢂFRPPDQGꢂLVꢂQHHGHGꢂWRꢂSUHYHQWꢂLQYDOLGꢂZULWHꢁ
'40ꢂVKRXOGꢂPDVNꢂLQYDOLGꢂLQSXWꢂGDWDꢂRQꢂSUHFKDUJHꢂFRPPDQGꢂF\FOHꢂZKHQꢂDVVHUWLQJꢂSUHFKDUJHꢂEHIRUHꢂ
HQGꢂRIꢂEXUVWꢁꢂ,QSXWꢂGDWDꢂDIWHUꢂ5RZꢂSUHFKDUJHꢂF\FOHꢂZLOOꢂEHꢂPDVNHGꢂLQWHUQDOO\ꢁ
ꢊꢁ %XUVWꢂVWRSꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂEXUVWꢂOHQJWKꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
197
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
*Note 2
CAS#
ADDR
BA0
RAa
CAa RBb CAb
RCc
CBc
CCd
BA1
A10/AP
CL=2
RAa
RBb
RCc
DAa0
QAb0 QAb1
DBc0
DBc0
QCd0 QCd1
DQ
{
CL=3
DAa0
QAb0 QAb1
QCd0 QCd1
WE#
DQM
Precharge
(C-Bank)
Row Active
(A-Bank)
Row Active
(B-Bank)
Row Active
(C-Bank)
Read
(C-Bank)
Write
Read with
Write with
Auto Precharge
(B-Bank)
(A-Bank) Auto Precharge
(A-Bank)
: Don’t care
Figure 70.13 Burst Read Single bit Write Cycle @Burst Length=2
Ir)
ꢀꢁ %56:ꢂPRGHVꢂLVꢂHQDEOHGꢂE\ꢂVHWWLQJꢂ$ꢒꢂ³+LJK´ꢂDWꢂ056ꢂꢏ0RGHꢂ5HJLVWHUꢂ6HWꢐꢁꢂ$WꢂWKHꢂ%56:ꢂ0RGHꢄꢂWKHꢂ
EXUVWꢂOHQJWKꢂDWꢂZULWHꢂLVꢂIL[HGꢂWRꢂ³ꢀ´ꢂUHJDUGOHVVꢂRIꢂSURJUDPPHGꢂEXUVWꢂOHQJWKꢁ
ꢆꢁ :KHQꢂ%56:ꢂZULWHꢂFRPPDQGꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLVꢂH[HFXWHGꢄꢂNHHSꢂLWꢂLQꢂPLQGꢂWKDWꢂW5$6ꢂVKRXOGꢂQRWꢂ
EHꢂYLRODWHGꢁꢂ$XWRꢂSUHFKDUJHꢂLVꢂH[HFXWHGꢂDWꢂWKHꢂEXUVWꢃHQGꢂF\FOHꢄꢂVRꢂLQꢂWKHꢂFDVHꢂRIꢂ%56:ꢂZULWHꢂ
FRPPDQGꢄꢂWKHꢂQH[WꢂF\FOHꢂVWDUWVꢂWKHꢂSUHFKDUJHꢁ
198
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
tSS
*Note 1
tSS
tSS
*Note 2
*Note 2
*Note 3
CS#
RAS#
CAS#
ADDR
BA
Ra
Ca
Ra
A10/AP
DQ
Qa0 Qa1 Qa2
tSHZ
WE#
DQM
Precharge
Power-down
Entry
Row Active
Read
Precharge
Precharge
Power-down
Exit
Active
Power-down
Entry
Active
Power-down
Exit
: Don’t care
Figure 70.14 Active/Precharge Power Down Mode @CAS Latency=2, Burst
Length=4
Ir)
ꢀꢁ $OOꢂEDQNVꢂVKRXOGꢂEHꢂLQꢂLGOHꢂVWDWHꢂSULRUꢂWRꢂHQWHULQJꢂSUHFKDUJHꢂSRZHUꢂGRZQꢂPRGHꢁ
ꢆꢁ &.(ꢂVKRXOGꢂEHꢂVHWꢂKLJKꢂDWꢂOHDVWꢂꢀ&/.ꢂꢓꢂW ꢂSULRUꢂWRꢂ5RZꢂDFWLYHꢂFRPPDQGꢁ
66
ꢊꢁ &DQꢂQRWꢂYLRODWHꢂPLQLPXPꢂUHIUHVKꢂVSHFLILFDWLRQꢂꢏꢌꢎPVꢐꢁ
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
199
P r e l i m i n a r y n
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
*Note 2
*Note 4
tSRFX
*Note 1
*Note 6
*Note 3
tSS
CS#
RAS#
CAS#
ADDR
BA0,BA1
A10/AP
DQ
Hi-Z
Hi-Z
WE#
DQM
Self Refresh Entry
Self Refresh Exit
Auto Refresh
: Don’t care
Figure 70.15 Self Refresh Entry & Exit Cycle
Ir)
UPꢀ@IU@SꢀT@GAꢀS@AS@TCꢀHP9@
ꢀꢁ &6ꢅꢄꢂ5$6ꢅꢂꢗꢂ&$6ꢅꢂZLWKꢂ&.(ꢂVKRXOGꢂEHꢂORZꢂDWꢂWKHꢂVDPHꢂFORFNꢂF\FOHꢁ
ꢆꢁ $IWHUꢂꢀꢂFORFNꢂF\FOHꢄꢂDOOꢂWKHꢂLQSXWVꢂLQFOXGLQJꢂWKHꢂV\VWHPꢂFORFNꢂFDQꢂEHꢂGRQꢘWꢂFDUHꢂH[FHSWꢂIRUꢂ&.(ꢁ
ꢊꢁ 7KHꢂGHYLFHꢂUHPDLQVꢂLQꢂVHOIꢂUHIUHVKꢂPRGHꢂDVꢂORQJꢂDVꢂ&.(ꢂVWD\Vꢂ³/RZ´ꢁꢂ2QFHꢂWKHꢂGHYLFHꢂHQWHUVꢂVHOIꢂ
UHIUHVKꢂPRGHꢄꢂPLQLPXPꢂW
ꢂLVꢂUHTXLUHGꢂEHIRUHꢂH[LWꢂIURPꢂVHOIꢂUHIUHVKꢁ
5$6
UPꢀ@YDUꢀT@GAꢀS@AS@TCꢀHP9@
ꢎꢁ 6\VWHPꢂFORFNꢂUHVWDUWꢂDQGꢂEHꢂVWDEOHꢂEHIRUHꢂUHWXUQLQJꢂ&.(ꢂKLJKꢁ
ꢉꢁ &6ꢅꢂVWDUWVꢂIURPꢂKLJKꢁ
ꢌꢁ 0LQLPXPꢂW
ꢂLVꢂUHTXLUHGꢂDIWHUꢂ&.(ꢂJRLQJꢂKLJKꢂWRꢂFRPSOHWHꢂVHOIꢂUHIUHVKꢂH[LWꢁ
65);
ꢋꢁ ꢎ.ꢂF\FOHꢂRIꢂEXUVWꢂDXWRꢂUHIUHVKꢂLVꢂUHTXLUHGꢂEHIRUHꢂVHOIꢂUHIUHVKꢂHQWU\ꢂDQGꢂDIWHUꢂVHOIꢂUHIUHVKꢂH[LWꢂLIꢂWKHꢂ
V\VWHPꢂXVHVꢂEXUVWꢂUHIUHVKꢁ
200
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
8
9
10
CLOCK
CKE
CS
HIGH
HIGH
*Note 2
tARFC
RAS
CAS
ADDR
BA0
*Note 1
*Note 3
Key
Ra
BA1
Hi-Z
Hi-Z
DQ
WE
DQM
MRS
New Command
Auto Refresh
New Command
: Don’t care
Figure 70.16 Mode Register Set Cycle and Auto Refresh Cycle
Ir)ꢂ$OOꢂEDQNVꢂSUHFKDUJHꢂVKRXOGꢂEHꢂFRPSOHWHGꢂEHIRUHꢂ0RGHꢂ5HJLVWHUꢂ6HWꢂF\FOHꢂDQGꢂDXWRꢂUHIUHVKꢂF\FOHꢁ
Ir)
ꢀꢁ &6ꢅꢄꢂ5$6ꢅꢄꢂ&$6ꢅꢄꢂ%$ꢈꢄꢂ%$ꢀꢂꢗꢂ:(ꢅꢂDFWLYDWLRQꢂDWꢂWKHꢂVDPHꢂFORFNꢂF\FOHꢂZLWKꢂDGGUHVVꢂNH\ꢂZLOOꢂVHWꢂ
LQWHUQDOꢂPRGHꢂUHJLVWHUꢁ
ꢆꢁ 0LQLPXPꢂꢆꢂFORFNꢂF\FOHVꢂVKRXOGꢂEHꢂPHWꢂEHIRUHꢂQHZꢂ5$6ꢅꢂDFWLYDWLRQꢁ
ꢊꢁ 3OHDVHꢂUHIHUꢂWRꢂWKHꢂ0RGHꢂ5HJLVWHUꢂ)LHOGꢂ7DEOHꢂWRꢂ3URJUDPꢂ0RGHV
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
201
P r e l i m i n a r y n
0
1
2
3
4
5
6
CLOCK
CKE
HIGH
CS#
*Note 2
RAS#
CAS#
ADDR
BA0
*Note 1
*Note 3
Key
Ra
BA1
Hi-Z
DQ
WE#
DQM
EMRS New Command
: Don’t care
Figure 70.17 Extended Mode Register Set Cycle
Ir)
ꢀꢁ &6ꢅꢄꢂ5$6ꢅꢄꢂ&$6ꢅꢄꢂ%$ꢈꢄꢂ%$ꢀꢂꢗꢂ:(ꢅꢂDFWLYDWLRQꢂDWꢂWKHꢂVDPHꢂFORFNꢂF\FOHꢂZLWKꢂDGGUHVVꢂNH\ꢂZLOOꢂVHWꢂ
LQWHUQDOꢂPRGHꢂUHJLVWHUꢁ
ꢆꢁ 0LQLPXPꢂꢆꢂFORFNꢂF\FOHVꢂVKRXOGꢂEHꢂPHWꢂEHIRUHꢂQHZꢂ5$6ꢅꢂDFWLYDWLRQꢁ
ꢊꢁ 3OHDVHꢂUHIHUꢂWRꢂWKHꢂ0RGHꢂ5HJLVWHUꢂ)LHOGꢂ7DEOHꢂWRꢂ3URJUDPꢂ0RGHVꢁ
202
S73WS256N Based MCPs
SDRAM_00_A0 May 25, 2004
P r e l i m i n a r y
71 SDRAM Type 2 Revision Summary
Revision A0 (May 25, 2004)
,QLWLDOꢀ5HOHDVH
May 25, 2004 SDRAM_00_A0
S73WS256N Based MCPs
203
Mobile SDRAM Type 2
256Mbit (16M x 16 bit) SDRAM
PRELIMINARY
Features
ꢄꢎꢏ9ꢀSRZHUꢀVXSSO\
6SHFLDOꢀ)XQFWLRQꢀ6XSSRUW
/9&026ꢀFRPSDWLEOHꢀZLWKꢀPXOWLSOH[HGꢀDGGUHVV
)RXUꢀEDQNVꢀRSHUDWLRQ
²
²
3$65ꢀꢁ3DUWLDOꢀ$UUD\ꢀ6HOIꢀ5HIUHVKꢂ
,QWHUQDOꢀ7&65ꢀꢁ7HPSHUDWXUHꢀ&RPSHQVDWHGꢀ6HOIꢀ
5HIUHVKꢂ
056ꢀF\FOHꢀZLWKꢀDGGUHVVꢀNH\ꢀSURJUDPV
²
'6ꢀꢁ'ULYHUꢀ6WUHQJWKꢂ
²
²
²
&$6ꢀODWHQF\ꢀꢁꢇꢄꢀꢏꢀꢓꢀꢑꢂ
%XUVWꢀOHQJWKꢀꢁꢇꢄꢀꢏꢄꢀꢍꢄꢀꢋꢀꢓꢀ)XOOꢀSDJHꢂ
%XUVWꢀW\SHꢀꢁ6HTXHQWLDOꢀꢓꢀ,QWHUOHDYHꢂ
'40ꢀIRUꢀPDVNLQJ
$XWRꢀUHIUHVKꢎ
ꢊꢒPVꢀUHIUHVKꢀSHULRGꢀꢂꢏ.ꢀF\FOHꢃ
&RPPHUFLDOꢀ7HPSHUDWXUHꢀ2SHUDWLRQꢀꢂꢇꢈꢉ&ꢀꢇꢀꢆꢋ&ꢃ
([WHQGHGꢀ7HPSHUDWXUHꢀ2SHUDWLRQꢀꢂꢇꢈꢉ&ꢀꢇꢀꢏꢉ&ꢃ
(056ꢀF\FOHꢀZLWKꢀDGGUHVVꢀNH\ꢀSURJUDPV
$OOꢀLQSXWVꢀDUHꢀVDPSOHGꢀDWꢀWKHꢀSRVLWLYHꢀJRLQJꢀHGJHꢀ
RIꢀWKHꢀV\VWHPꢀFORFN
%XUVWꢀUHDGꢀVLQJOHꢇELWꢀZULWHꢀRSHUDWLRQ
General Description
7KHꢀ0RELOHꢀ6'5$0ꢀ7\SHꢀꢏꢀLVꢀꢏꢎꢋꢄꢍꢑꢊꢄꢍꢊꢎꢀELWVꢀV\QFKURQRXVꢀKLJKꢀGDWDꢀUDWHꢀ'\QDPLFꢀ5$0ꢀRUJDQL]HGꢀDVꢀꢍꢀ[ꢀꢍꢄꢇꢉꢎꢄꢑꢌꢍ
ZRUGVꢀE\ꢀꢇꢎꢀELWVꢄꢀIDEULFDWHGꢀZLWKꢀ&026ꢀWHFKQRORJ\ꢃꢀ6\QFKURQRXVꢀGHVLJQꢀDOORZVꢀSUHFLVHꢀF\FOHꢀFRQWUROꢀZLWKꢀWKHꢀXVHꢀRIꢀV\Vꢅ
WHPꢀFORFNꢀDQGꢀ,ꢒ2ꢀWUDQVDFWLRQVꢀDUHꢀSRVVLEOHꢀRQꢀHYHU\ꢀFORFNꢀF\FOHꢃꢀ5DQJHꢀRIꢀRSHUDWLQJꢀIUHTXHQFLHVꢄꢀSURJUDPPDEOHꢀEXUVW
OHQJWKVꢀDQGꢀSURJUDPPDEOHꢀODWHQFLHVꢀDOORZꢀWKHꢀVDPHꢀGHYLFHꢀWRꢀEHꢀXVHIXOꢀIRUꢀDꢀYDULHW\ꢀRIꢀKLJKꢀEDQGZLGWKꢀDQGꢀKLJKꢀSHUIRUꢅ
PDQFHꢀPHPRU\ꢀV\VWHPꢀDSSOLFDWLRQVꢃ
Publication Number SDRAM_04 Revision A Amendment 0 Issue Date May 12, 2005
7KLVꢀGRFXPHQWꢀVWDWHVꢀWKHꢀFXUUHQWꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢀUHJDUGLQJꢀWKHꢀ6SDQVLRQꢀSURGXFWꢁVꢂꢀGHVFULEHGꢀKHUHLQꢃꢀ7KHꢀ3UHOLPLQDU\ꢀVWDWXVꢀRIꢀWKLVꢀGRFXPHQWꢀLQGLFDWHVꢀWKDW
SURGXFWꢀTXDOLILFDWLRQꢀKDVꢀEHHQꢀFRPSOHWHGꢄꢀDQGꢀWKDWꢀLQLWLDOꢀSURGXFWLRQꢀKDVꢀEHJXQꢃꢀ'XHꢀWRꢀWKHꢀSKDVHVꢀRIꢀWKHꢀPDQXIDFWXULQJꢀSURFHVVꢀWKDWꢀUHTXLUHꢀPDLQWDLQLQJꢀHIILFLHQF\ꢀDQG
TXDOLW\ꢄꢀWKLVꢀGRFXPHQWꢀPD\ꢀEHꢀUHYLVHGꢀE\ꢀVXEVHTXHQWꢀYHUVLRQVꢀRUꢀPRGLILFDWLRQVꢀGXHꢀWRꢀFKDQJHVꢀLQꢀWHFKQLFDOꢀVSHFLILFDWLRQVꢃ
P r e l i m i n a r y
72 Address Table
16M x 16
ꢍꢀ0ꢀ[ꢀꢇꢎꢀ[ꢀꢍꢀEDQNV
ꢍ.
&RQILJXUDWLRQ
5HIUHVKꢀ&RXQW
5RZꢀ$GGUHVVLQJ
%DQNꢀ$GGUHVVLQJ
&ROXPQꢀ$GGUHVVLQJ
ꢍ.ꢀꢁ$ꢌ±$ꢇꢏꢂ
ꢍꢀꢁ%$ꢌꢄꢀ%$ꢇꢂ
ꢊꢇꢏꢀꢁ$ꢌ±$ꢋꢂ
73 Functional Block Diagram
LWE
Data Input Register
LDQM
Bank Select
4M x 16
4M x 16
4M x 16
4M x 16
DQi
CLK
ADD
Column Decoder
Latency & Burst Length
LCKE
Programming Register
LWCBR
LRAS
LCBR
LWE
LCAS
LDQM
Timing Register
CLK
CKE
CS
RAS
CAS
WE
L(U)DQM
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
205
P r e l i m i n a r y
74 Absolute Maximum Ratings
Parameter
9ROWDJHꢀRQꢀDQ\ꢀSLQꢀUHODWLYHꢀWRꢀ966
9ROWDJHꢀRQꢀ9''ꢀVXSSO\ꢀUHODWLYHꢀWRꢀ966
6WRUDJHꢀWHPSHUDWXUH
Symbol
9,1ꢄꢀ9287
9''ꢄꢀ9''4
767*
Value
ꢅꢇꢃꢌꢀaꢀꢏꢃꢎ
ꢅꢇꢃꢌꢀaꢀꢏꢃꢎ
ꢅꢊꢊꢀaꢀꢐꢇꢊꢌ
ꢇꢃꢌ
Unit
9
9
&
:
3RZHUꢀGLVVLSDWLRQ
3'
6KRUWꢀFLUFXLWꢀFXUUHQW
,
ꢊꢌ
P$
26
Ir)
ꢀꢁ 3HUPDQHQWꢂGHYLFHꢂGDPDJHꢂPD\ꢂRFFXUꢂLIꢂ$EVROXWHꢂ0D[LPXPꢂ5DWLQJVꢂDUHꢂH[FHHGHGꢁ
ꢆꢁ )XQFWLRQDOꢂRSHUDWLRQꢂVKRXOGꢂEHꢂUHVWULFWHGꢂWRꢂUHFRPPHQGHGꢂRSHUDWLQJꢂFRQGLWLRQꢁ
ꢊꢁ ([SRVXUHꢂWRꢂKLJKHUꢂWKDQꢂUHFRPPHQGHGꢂYROWDJHꢂIRUꢂH[WHQGHGꢂSHULRGVꢂRIꢂWLPHꢂFRXOGꢂDIIHFWꢂGHYLFHꢂ
UHOLDELOLW\ꢁ
206
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
75 DC Operating Conditions
5HFRPPHQGHGꢀRSHUDWLQJꢀFRQGLWLRQVꢀꢁ9ROWDJHꢀUHIHUHQFHGꢀWRꢀ966ꢀ ꢀꢌ9ꢄꢀ7$ꢀ ꢀꢅꢏꢊ&ꢀWRꢀꢋꢊ&ꢀIRU
([WHQGHGꢄꢀꢅꢏꢊ&ꢀWRꢀꢈꢌ&ꢀIRUꢀ&RPPHUFLDOꢂꢃ
Parameter
6XSSO\ꢀYROWDJH
Symbol
9''
9''4
9,+
Min
Typ
ꢇꢃꢋ
ꢇꢃꢋ
ꢇꢃꢋ
ꢌ
Max
Unit
9
Note
ꢇꢃꢈ
ꢇꢃꢉꢊ
ꢇꢃꢈ
ꢇꢃꢉꢊ
9
,QSXWꢀORJLFꢀKLJKꢀYROWDJH
,QSXWꢀORJLFꢀORZꢀYROWDJH
2XWSXWꢀORJLFꢀKLJKꢀYROWDJH
2XWSXWꢀORJLFꢀORZꢀYROWDJH
,QSXWꢀOHDNDJHꢀFXUUHQWꢀ
ꢌꢃꢋꢀ[ꢀ9''4
9''4ꢀꢐꢀꢌꢃꢑ
9
ꢇ
9,/
ꢅꢌꢃꢑ
ꢌꢃꢑ
ꢅ
9
ꢏ
92+
92/
,/,
9''4ꢀꢅꢌꢃꢏꢀ
ꢅ
9
,2+ꢀ ꢀꢅꢌꢃꢇP$
,2/ꢀ ꢀꢌꢃꢇP$
ꢑ
ꢅ
ꢅ
ꢌꢃꢏ
ꢏ
9
ꢅꢏ
ꢅ
$
Ir)
ꢀꢁ
9
ꢂ ꢂꢆꢁꢆ9ꢂ$&ꢁ7KHꢂRYHUVKRRWꢂYROWDJHꢂGXUDWLRQꢂLVꢂ≤ꢂꢊQVꢁ
,+ꢂꢏPD[ꢐ
ꢆꢁ 9
ꢂ ꢂꢃꢀꢁꢈ9ꢂ$&ꢁꢂ7KHꢂXQGHUVKRRWꢂYROWDJHꢂGXUDWLRQꢂLVꢂ≤ꢂꢊQVꢁ
,/ꢂꢏPLQꢐ
ꢊꢁ $Q\ꢂLQSXWꢂꢈ9ꢂ≤ꢂ9 ꢂ≤ꢂ9
ꢁꢂ,QSXWꢂOHDNDJHꢂFXUUHQWVꢂLQFOXGHꢂ+Lꢃ=ꢂRXWSXWꢂOHDNDJHꢂIRUꢂDOOꢂELꢃGLUHFWLRQDOꢂ
''4
,1
EXIIHUVꢂZLWKꢂWULꢃVWDWHꢂRXWSXWVꢁ
ꢎꢁ ' ꢂLVꢂGLVDEOHGꢄꢂꢈ9ꢂ≤ꢂ9 ꢂ≤ꢂ9 ꢁ
''4
287
287
76 Capacitance
ꢁ9''ꢀ ꢀꢇꢃꢋ9ꢄꢀ7$ꢀ ꢀꢏꢑ&ꢄꢀIꢀ ꢀꢇ0+]ꢄꢀ95()ꢀ ꢌꢃꢉ9ꢀꢀꢊꢌꢀP9ꢂꢃ
Pin
Symbol
Min
ꢇꢃꢊ
ꢇꢃꢊ
ꢇꢃꢊ
ꢑꢃꢌ
Max
ꢑꢃꢌ
ꢑꢃꢌ
ꢑꢃꢌ
ꢊꢃꢌ
Unit
S)
Note
&ORFN
&
&/.
5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔꢄꢀ&6ꢔꢄꢀ&.(ꢄꢀ'40
&
S)
,1
$GGUHVV
&
&
S)
$''
287
'4ꢌꢀꢅꢀ'4ꢇꢊ
S)
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
207
P r e l i m i n a r y
77 DC Characteristics
5HFRPPHQGHGꢀRSHUDWLQJꢀFRQGLWLRQVꢀꢁ9ROWDJHꢀUHIHUHQFHGꢀWRꢀ966ꢀ ꢀꢌ9ꢄꢀ7$ꢀ ꢀꢅꢏꢊ&ꢀWRꢀꢋꢊ&ꢀIRU
([WHQGHGꢄꢀꢅꢏꢊ&ꢀWRꢀꢈꢌ&ꢀIRUꢀ&RPPHUFLDOꢂꢃ
Parameter
Symbol
Test Condition
Value
Unit Note
ꢀ%XUVWꢀOHQJWKꢀ ꢀꢇ
2SHUDWLQJꢀ&XUUHQW
ꢁ2QHꢀ%DQNꢀ$FWLYHꢂ
,
ꢀW5&ꢀ≥ W5&ꢁPLQꢂ
ꢍꢊ
P$
P$
ꢇ
&&ꢇ
ꢀ,2ꢀ ꢀꢌꢀP$
,
&.(ꢀ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
&.(ꢀꢓꢀ&/.ꢀ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
ꢌꢃꢑ
ꢌꢃꢑ
&&ꢏ3
3UHFKDUJHꢀ6WDQGE\ꢀ&XUUHQWꢀ
LQꢀSRZHUꢅGRZQꢀPRGH
,
&&ꢏ36
&.(ꢀ≥ 9,+ꢁPLQꢂꢄꢀ&6ꢔꢀ≥ 9,+ꢁPLQꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
,QSXWꢀVLJQDOVꢀDUHꢀFKDQJHGꢀRQHꢀWLPHꢀGXULQJꢀ
ꢏꢌQV
,
ꢇꢌ
&&ꢏ1
3UHFKDUJHꢀ6WDQGE\ꢀ&XUUHQWꢀ
LQꢀQRQꢀSRZHUꢅGRZQꢀPRGH
P$
P$
&.(ꢀ≥ 9,+ꢁPLQꢂꢄꢀ&/.ꢀ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
,
ꢇ
&&ꢏ16
,QSXWꢀVLJQDOVꢀDUHꢀVWDEOH
,
&.(ꢀ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
ꢊ
ꢇ
&&ꢑ3
$FWLYHꢀ6WDQGE\ꢀ&XUUHQWꢀLQꢀ
SRZHUꢅGRZQꢀPRGH
,
&.(ꢀꢓꢀ&/.ꢀ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
&&ꢑ36
&.(ꢀ≥ 9,+ꢁPLQꢂꢄꢀ&6ꢔꢀ≥ 9,+ꢁPLQꢂꢄꢀW&&ꢀ ꢀꢇꢌQV
,QSXWꢀVLJQDOVꢀDUHꢀFKDQJHGꢀRQHꢀWLPHꢀGXULQJꢀ
ꢏꢌQV
,
ꢏꢌ
ꢊ
P$
P$
&&ꢑ1
$FWLYHꢀ6WDQGE\ꢀ&XUUHQWꢀLQꢀ
QRQꢀSRZHUꢅGRZQꢀPRGHꢀ
ꢁ2QHꢀ%DQNꢀ$FWLYHꢂ
&.(ꢀ≥ 9,+ꢁPLQꢂꢄꢀ&/.ꢀ≤ 9,/ꢁPD[ꢂꢄꢀW&&ꢀ ꢀ∞
,
&&ꢑ16
,QSXWꢀVLJQDOVꢀDUHꢀVWDEOH
ꢀ,2ꢀ ꢀꢌꢀP$ꢀ
2SHUDWLQJꢀ&XUUHQW
ꢁ%XUVWꢀ0RGHꢂ
ꢀ3DJHꢀEXUVW
,
,
ꢎꢌ
ꢋꢊ
P$
P$
ꢇ
ꢏ
&&ꢍ
&&ꢊ
ꢀꢍ%DQNVꢀ$FWLYDWHG
ꢀW&&'ꢀ ꢀꢏ&/.Vꢀꢀꢀ
5HIUHVKꢀ&XUUHQW
W$5)&ꢀ≥ W$5)&ꢁPLQꢂ
Internal TCSR
0D[ꢀꢍꢌ
ꢏꢌꢌ
0D[ꢀꢈꢌꢒꢋꢊ &
ꢍꢊꢌ
)XOOꢀ$UUD\
&.(ꢀ≤ ꢌꢃꢏ9
6HOIꢀ5HIUHVKꢀ&XUUHQW
,
&&ꢎ
ꢇꢒꢏꢀRIꢀ)XOOꢀ$UUD\
ꢇꢎꢌ
ꢑꢌꢌ
ꢏꢊꢌ
$
ꢇꢒꢍꢀRIꢀ)XOOꢀ$UUD\
ꢇꢍꢌ
Ir)
ꢀꢁ 0HDVXUHGꢂZLWKꢂRXWSXWVꢂRSHQꢁ
ꢆꢁ 5HIUHVKꢂSHULRGꢂLVꢂꢌꢎPVꢁ
ꢊꢁ 8QOHVVꢂRWKHUZLVHꢂQRWHGꢄꢂLQSXWꢂVZLQJꢂ,HYH,ꢂLVꢂ&026ꢏ9 ꢂꢍ9 9
ꢍ9
ꢐꢁ
,+
,/
''4 664
78 AC Operating Test Conditions
ꢁ9''ꢀ ꢀꢇꢃꢈ9ꢀWRꢀꢇꢃꢉꢊ9ꢄꢀ7$ꢀ ꢀꢅꢏꢊ&ꢀWRꢀꢋꢊ&ꢀIRUꢀ([WHQGHGꢄꢀꢅꢏꢊ&ꢀWRꢀꢈꢌ&ꢀIRUꢀ&RPPHUFLDOꢂꢃ
Parameter
Value
Unit
9
$&ꢀLQSXWꢀOHYHOVꢀꢁ9,+ꢒ9,/
ꢂ
ꢌꢃꢉꢀ[ꢀ9''4ꢀꢒꢀꢌꢃꢏ
ꢌꢃꢊꢀ[ꢀ9''4
,QSXWꢀWLPLQJꢀPHDVXUHPHQWꢀUHIHUHQFHꢀOHYHO
,QSXWꢀULVHꢀDQGꢀIDOOꢀWLPH
9
WUꢒWIꢀ ꢀꢇꢒꢇ
QV
9
2XWSXWꢀWLPLQJꢀPHDVXUHPHQWꢀUHIHUHQFHꢀOHYHO
2XWSXWꢀORDGꢀFRQGLWLRQ
ꢌꢃꢊꢀ[ꢀ9''4
6HHꢀ)LJXUHꢀꢈꢋꢃꢏ
ꢇꢃꢋ9
ꢇꢑꢃꢉ.Ω
92+ꢀꢁ'&ꢂꢀ ꢀ9''4ꢀꢅꢀꢌꢃꢏ9ꢄꢀ,2+ꢀ ꢀꢅꢌꢃꢇP$
92/ꢀꢁ'&ꢂꢀ ꢀꢌꢃꢏ9ꢄꢀ,2/ꢀ ꢀꢌꢃꢇP$
2XWSXW
ꢏꢌS)
ꢇꢌꢃꢎ.Ω
Figure 78.1 DC Output Load Circuit
S73WS256N Based MCPs
208
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
9WW ꢌꢃꢊꢀ[ꢀ9''4
ꢊꢌΩ
2XWSXW
=ꢌ ꢊꢌΩ
ꢏꢌS)
Figure 78.2 AC Output Load Circuit
79 Operating AC Parameters
$&ꢀRSHUDWLQJꢀFRQGLWLRQVꢀXQOHVVꢀRWKHUZLVHꢀQRWHGꢃ
Parameter
5RZꢀDFWLYHꢀWRꢀURZꢀDFWLYHꢀGHOD\
5$6ꢔꢀWRꢀ&$6ꢔꢀGHOD\
Symbol
W55'ꢁPLQꢂ
Value
Unit
QV
Note
ꢇꢋ
ꢇ
ꢇ
ꢇ
ꢇ
W5&'ꢁPLQꢂ
ꢏꢍ
QV
5RZꢀSUHFKDUJHꢀWLPH
W53ꢁPLQꢂ
ꢏꢍ
QV
W5$6ꢁPLQꢂ
ꢊꢌ
QV
5RZꢀDFWLYHꢀWLPH
W5$6ꢁPD[ꢂ
ꢇꢌꢌ
XV
5RZꢀF\FOHꢀWLPH
W5&ꢁPLQꢂ
ꢈꢍ
QV
ꢇ
ꢏ
/DVWꢀGDWDꢀLQꢀWRꢀURZꢀSUHFKDUJH
/DVWꢀGDWDꢀLQꢀWRꢀ$FWLYHꢀGHOD\
/DVWꢀGDWDꢀLQꢀWRꢀQHZꢀFROꢃꢀDGGUHVVꢀGHOD\
/DVWꢀGDWDꢀLQꢀWRꢀEXUVWꢀVWRS
W5'/ꢁPLQꢂ
ꢇꢊ
QV
W'$/ꢁPLQꢂ
W5'/ꢀꢐꢀW53
ꢅ
W&'/ꢁPLQꢂ
ꢇ
ꢇ
&/.
&/.
QV
ꢏ
ꢏ
W%'/ꢁPLQꢂ
$XWRꢀUHIUHVKꢀF\FOHꢀWLPH
W$5)&ꢁPLQꢂ
W65);ꢁPLQꢂ
W&&'ꢁPLQꢂ
ꢋꢌ
ꢇꢏꢌ
ꢇ
([LWꢀVHOIꢀUHIUHVKꢀWRꢀDFWLYHꢀFRPPDQG
&ROꢃꢀDGGUHVVꢀWRꢀFROꢃꢀDGGUHVVꢀGHOD\
1XPEHUꢀRIꢀYDOLGꢀRXWSXWꢀGDWD
1XPEHUꢀRIꢀYDOLGꢀRXWSXWꢀGDWD
1XPEHUꢀRIꢀYDOLGꢀRXWSXWꢀGDWD
QV
&/.
ꢑ
ꢍ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢇ
ꢏ
ꢇ
HD
²
Ir)
ꢀꢁ 7KHꢂPLQLPXPꢂQXPEHUꢂRIꢂFORFNꢂF\FOHVꢂLVꢂGHWHUPLQHGꢂE\ꢂGLYLGLQJꢂWKHꢂPLQLPXPꢂWLPHꢂUHTXLUHGꢂZLWKꢂ
FORFNꢂF\FOHꢂWLPHꢂDQGꢂWKHQꢂURXQGLQJꢂRIIꢂWRꢂWKHꢂQH[WꢂKLJKHUꢂLQWHJHUꢁ
ꢆꢁ 0LQLPXPꢂGHOD\ꢂLVꢂUHTXLUHGꢂWRꢂFRPSOHWHꢂZULWHꢁ
ꢊꢁ $OOꢂSDUWVꢂDOORZꢂHYHU\ꢂF\FOHꢂFROXPQꢂDGGUHVVꢂFKDQJHꢁ
ꢎꢁ ,QꢂFDVHꢂRIꢂURZꢂSUHFKDUJHꢂLQWHUUXSWꢄꢂDXWRꢂSUHFKDUJHꢂDQGꢂUHDGꢂEXUVWꢂVWRSꢁ
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
209
P r e l i m i n a r y
80 AC Characteristics
$&ꢀRSHUDWLQJꢀFRQGLWLRQVꢀXQOHVVꢀRWKHUZLVHꢀQRWHGꢃ
Parameter
Symbol
W&&
Min
ꢉ
Max
Unit
Note
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
&/.ꢀF\FOHꢀWLPH
ꢇꢌꢌꢌ
QV
ꢇ
W&&
ꢇꢏ
W6$&
W6$&
W2+
ꢈ
ꢉ
&/.ꢀWRꢀYDOLGꢀRXWSXWꢀGHOD\
2XWSXWꢀGDWDꢀKROGꢀWLPH
QV
QV
ꢇꢄꢏV
ꢏ
ꢏꢃꢌ
ꢏꢃꢌ
ꢑꢃꢌ
ꢑꢃꢌ
ꢏꢃꢌ
ꢇ
W2+
&/.ꢀKLJKꢀSXOVHꢀZLGWK
&/.ꢀORZꢀSXOVHꢀZLGWK
,QSXWꢀVHWXSꢀWLPH
W&+
QV
QV
QV
QV
QV
ꢑ
ꢑ
ꢑ
ꢑ
ꢏ
W&/
W66
,QSXWꢀKROGꢀWLPH
W6+
&/.ꢀWRꢀRXWSXWꢀLQꢀ/RZꢅ=
W6/=
ꢇ
&$6ꢀODWHQF\ ꢑ
&$6ꢀODWHQF\ ꢏ
ꢈ
ꢉ
&/.ꢀWRꢀRXWSXWꢀLQꢀ+Lꢅ=
W6+=
QV
Ir)
ꢀꢁ 3DUDPHWHUVꢂGHSHQGꢂRQꢂSURJUDPPHGꢂ&$6ꢂODWHQF\ꢁ
ꢆꢁ ,IꢂFORFNꢂULVLQJꢂWLPHꢂLVꢂORQJHUꢂWKDQꢂꢀQVꢄꢂꢏWUꢍꢆꢃꢈꢁꢉꢐQVꢂVKRXOGꢂEHꢂDGGHGꢂWRꢂWKHꢂSDUDPHWHUꢁ
ꢊꢁ $VVXPHGꢂLQSXWꢂULVHꢂDQGꢂIDOOꢂWLPHꢂꢏWUꢂꢗꢂWIꢐꢂ ꢂꢀQVꢁꢂ,IꢂWUꢂꢗꢂWIꢂLVꢂORQJHUꢂWKDQꢂꢀQVꢄꢂWUDQVLHQWꢂWLPHꢂ
FRPSHQVDWLRQꢂVKRXOGꢂEHꢂFRQVLGHUHGꢄꢂLꢁHꢁꢄꢂ>ꢏWUꢂꢓꢂWIꢐꢍꢆꢃꢀ@QVꢂVKRXOGꢂEHꢂDGGHGꢂWRꢂWKHꢂSDUDPHWHUꢁ
210
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
81 Simplified Truth Table
A12, A11,
A9 ~ A0
Command
CKEn-1
CKEn CS# RAS# CAS# WE# DQM BA0,1 A10/AP
Note
5HJLVWHU
5HIUHVK
0RGHꢀ5HJLVWHUꢀ6HW
$XWRꢀ5HIUHVK
+
;
+
/
/
/
/
/
/
/
/
;
;
23ꢀ&2'(
;
ꢇꢄꢀꢏ
ꢑ
+
+
(QWU\
ꢑ
6HOIꢀ
5HIUHVK
/
+
/
+
;
/
+
;
+
+
;
+
ꢑ
([LW
/
+
;
;
;
;
ꢑ
%DQNꢀ$FWLYHꢀꢓꢀ5RZꢀ$GGUꢃ
+
9
9
5RZꢀ$GGUHVV
$XWRꢀ3UHFKDUJHꢀ'LVDEOH
$XWRꢀ3UHFKDUJHꢀ(QDEOH
$XWRꢀ3UHFKDUJHꢀ'LVDEOH
$XWRꢀ3UHFKDUJHꢀ(QDEOH
/
+
/
&ROXPQ
$GGUHVV
ꢁ$ꢌꢅ$ꢋꢂ
ꢍ
ꢍꢄꢀꢊ
ꢍ
5HDGꢀꢓ
&ROXPQꢀ$GGUHVV
+
+
;
;
/
/
+
+
/
/
+
/
;
;
&ROXPQ
$GGUHVV
ꢁ$ꢌꢅ$ꢋꢂ
:ULWHꢀꢓ
&ROXPQꢀ$GGUHVV
9
+
ꢍꢄꢀꢊ
ꢎ
%XUVWꢀ6WRS
3UHFKDUJH
+
+
;
;
/
/
+
/
+
+
/
/
;
;
;
%DQNꢀ6HOHFWLRQ
$OOꢀ%DQNV
9
;
/
;
+
+
/
;
9
;
;
+
;
9
;
;
+
;
9
;
;
+
;
9
;
9
;
;
+
;
9
(QWU\
+
/
/
+
/
;
;
;
&ORFNꢀ6XVSHQGꢀRU
;
;
$FWLYHꢀ3RZHUꢀ'RZQ
([LW
;
+
/
(QWU\
+
3UHFKDUJHꢀ3RZHUꢀ'RZQꢀ0RGH
+
/
([LW
/
+
+
+
;
9
;
'40
;
;
ꢈ
+
/
;
+
;
+
1Rꢀ2SHUDWLRQꢀ&RPPDQG
;
Grtrq)ꢂ9ꢂ ꢂ9DOLGꢄꢂ;ꢂ ꢂ'RQ¶Wꢂ&DUHꢄꢂ+ꢂ ꢂ/RJLFꢂ+LJKꢄꢂ/ꢂ ꢂ/RJLFꢂ/RZ
Ir)
ꢀꢁ 23ꢂ&RGHꢔꢂ2SHUDQGꢂ&RGHꢂ$ꢈꢂꢃꢂ$ꢀꢆꢂꢗꢂ%$ꢈꢂꢃꢂ%$ꢀꢔꢂ3URJUDPꢂNH\Vꢁꢂꢏ#056ꢐ
ꢆꢁ 056ꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂSUHFKDUJHꢂVWDWHꢁꢂ$ꢂQHZꢂFRPPDQGꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂꢆꢂ&/.ꢂ
F\FOHVꢂRIꢂ056ꢁ
ꢊꢁ $XWRꢂUHIUHVKꢂIXQFWLRQVꢂDUHꢂWKHꢂVDPHꢂDVꢂ&%5ꢂUHIUHVKꢂRIꢂ'5$0ꢁꢂ7KHꢂDXWRPDWLFDOO\ꢂSUHFKDUJHꢂZLWKRXWꢂ
URZꢂSUHFKDUJHꢂFRPPDQGꢂLVꢂPHDQWꢂE\ꢂ$XWRꢁꢂ$XWRꢍVHOIꢂUHIUHVKꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂ
SUHFKDUJHꢂVWDWHꢁꢂ3DUWLDOꢂVHOIꢂUHIUHVKꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDIWHUꢂVHWWLQJꢂSDUWLDOꢂVHOIꢂUHIUHVKꢂPRGHꢂRIꢂ
(056ꢁꢂ
ꢎꢁ %$ꢈꢂꢃꢂ%$ꢀꢔꢂ%DQNꢂVHOHFWꢂDGGUHVVHVꢁ
ꢉꢁ 'XULQJꢂEXUVWꢂUHDGꢂRUꢂZULWHꢂZLWKꢂDXWRꢂSUHFKDUJHꢄꢂQHZꢂUHDGꢍZULWHꢂFRPPDQGꢂFDQꢂQRWꢂEHꢂLVVXHGꢁꢂ
$QRWKHUꢂEDQNꢂUHDGꢍZULWHꢂFRPPDQGꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂ1HZꢂURZꢂDFWLYHꢂRIꢂWKHꢂ
DVVRFLDWHGꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂDWꢂW ꢂDIWHUꢂWKHꢂHQGꢂRIꢂEXUVWꢁ
53
ꢌꢁ %XUVWꢂVWRSꢂFRPPDQGꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂEXUVWꢂOHQJWKꢁ
ꢋꢁ '40ꢂVDPSOHGꢂDWꢂWKHꢂSRVLWLYHꢂJRLQJꢂHGJHꢂRIꢂ&/.ꢂPDVNVꢂWKHꢂGDWDꢃLQꢂDWꢂWKDWꢂVDPHꢂ&/.ꢂLQꢂZULWHꢂ
RSHUDWLRQꢂꢏ:ULWHꢂ'40ꢂODWHQF\ꢂLVꢂꢈꢐꢄꢂEXWꢂLQꢂUHDGꢂRSHUDWLRQꢄꢂLWꢂPDNHVꢂWKHꢂGDWDꢃRXWꢂ+Lꢃ=ꢂVWDWHꢂDIWHUꢂꢆꢂ
&/.ꢂF\FOHVꢁꢂꢏ5HDGꢂ'40ꢂODWHQF\ꢂLVꢂꢆꢐꢁ
82 Mode Register Field Table to Program Modes
Address
BA0 ~ BA1
A12 ~ A10/AP
A9*2
A8
A7
A6
A5
A4
A3
A2
A1
A0
ꢈꢀ6HWWLQJꢀIRUꢀ
1RUPDOꢀ056
)XQFWLRQ
5)8
:ꢃ%ꢃ/
7HVWꢀ0RGH
&$6ꢀ/DWHQF\
%7
%XUVWꢀ/HQJWK
Ir)ꢂ5HJLVWHUꢂ3URJUDPPHGꢂZLWKꢂ1RUPDOꢂ056ꢁ
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
211
P r e l i m i n a r y
82.1 Normal MRS Mode
Test Mode
CAS Latency
Burst Type
Type
Burst Length
A8 A7
Type
0RGHꢀ5HJLVWHUꢀ6HW
5HVHUYHG
A6
ꢌ
A5
ꢌ
A4
ꢌ
Latency
5HVHUYHG
ꢇ
A3
ꢌ
A2
ꢌ
A1
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
A0
BT=0
BT=1
0
0
1
0
1
6HTXHQWLDO
,QWHUOHDYH
Mode Select
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢇ
ꢏ
ꢍ
ꢋ
ꢇ
ꢏ
ꢍ
ꢋ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
0
1
5HVHUYHG
ꢌ
ꢇ
ꢌ
ꢏ
ꢌ
1
5HVHUYHG
ꢌ
ꢇ
ꢇ
ꢑ
BA1 BA0
Mode
ꢌ
Write Burst Length
Length
ꢇ
ꢌ
ꢌ
5HVHUYHG
5HVHUYHG
5HVHUYHG
5HVHUYHG
ꢇ
5HVHUYHG 5HVHUYHG
5HVHUYHG 5HVHUYHG
5HVHUYHG 5HVHUYHG
)XOOꢀ3DJH 5HVHUYHG
6HWWLQJꢀ
IRUꢀ
1RUPDOꢀ
056
A9
ꢌ
ꢇ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
%XUVW
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
6LQJOHꢀ%LW
ꢇ
ꢇ
ꢇ
ꢇ
1RWHꢔꢂ)XOOꢂ3DJHꢂ/HQJWKꢂ[ꢂꢀꢌꢔꢂꢌꢎ0Eꢂꢏꢆꢉꢌꢐꢄꢂꢀꢆꢑ0Eꢂꢏꢉꢀꢆꢐꢄꢂꢆꢉꢌ0Eꢂꢏꢉꢀꢆꢐꢄꢂꢉꢀꢆ0Eꢂꢏꢀꢈꢆꢎꢐꢁ
Table 82.1 Register Programmed with Extended MRS
BA1
BA0
A12 ~ A10/AP
A10
Address
BA0
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
)XQFWLRQ
0RGHꢀ6HOHFW
5)8
'6
5)8
3$65
82.2 EMRS for PASR (Partial Array Self Refresh) and DS (Driver Strength)
Mode Select
Driver Strength
PASR
BA1
ꢌ
BA0
ꢌ
Mode
A6
ꢌ
A5
ꢌ
Driver Strength
A2
ꢌ
A1
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
A0
ꢌ
Size of Refreshed Array
)XOOꢀ$UUD\
1RUPDOꢀ056
5HVHUYHG
)XOO
ꢇꢒꢏ
ꢇꢒꢍ
ꢇꢒꢋ
ꢌ
ꢇ
ꢌ
ꢇ
ꢌ
ꢇ
ꢇꢒꢏꢀRIꢀ)XOOꢀ$UUD\
ꢇꢒꢍꢀRIꢀ)XOOꢀ$UUD\
5HVHUYHG
ꢇ
ꢌ
(056ꢀIRUꢀ0RELOHꢀ6'5$0
5HVHUYHG
ꢇ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
ꢇ
ꢇ
ꢌ
ꢇ
Reserved Address
ꢇ
ꢌ
5HVHUYHG
A12-A10/AP
A9
A8
A7
A4
A3
ꢇ
ꢇ
5HVHUYHG
ꢇ
ꢌ
5HVHUYHG
ꢌ
ꢌ
ꢌ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
5HVHUYHG
Ir)
ꢀꢁ 5)8ꢂꢏ5HVHUYHGꢂIRUꢂIXWXUHꢂXVHꢐꢂVKRXOGꢂVWD\ꢂꢌꢂGXULQJꢂ056ꢂF\FOHꢁ
ꢆꢁ ,Iꢂ$ꢒꢂLVꢂKLJKꢂGXULQJꢂ056ꢂF\FOHꢄꢂ%XUVWꢀ5HDGꢀ6LQJOHꢀ%LWꢀ:ULWHꢂIXQFWLRQꢂZLOOꢂEHꢂHQDEOHGꢁ
83 Partial Array Self Refresh
,QꢀRUGHUꢀWRꢀVDYHꢀSRZHUꢀFRQVXPSWLRQꢄꢀ0RELOHꢀ6'5$0ꢀKDVꢀDꢀ3$65ꢀRSWLRQꢃꢀ0RELOHꢀ6'5$0ꢀVXSꢅ
SRUWVꢀꢑꢀNLQGVꢀRIꢀ3$65ꢀLQꢀVHOIꢀUHIUHVKꢀPRGHꢆꢀIXOOꢀDUUD\ꢄꢀꢇꢒꢏꢀRIꢀIXOOꢀDUUD\ꢄꢀꢇꢒꢍꢀRIꢀIXOOꢀDUUD\ꢃꢀ6HH
)LJXUHꢀꢋꢑꢃꢇꢃ
212
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
BA1=0
BA0=0
BA1=0
BA0=1
BA1=0
BA0=0
BA1=0
BA0=1
BA1=0
BA0=0
BA1=0
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
- Full Array
- 1/2 of full Array
- 1/4 of full Array
Partial Self Refresh Area
Figure 83.1 Partial Array Self Refresh Areas
83.1 Internal Temperature Compensated Self Refresh (TCSR)
Self Refresh Current (Icc 6)
Temperature Range
Unit
Full Array
ꢏꢌꢌ
1/2 of Full Array
1/4 of Full Array
0D[ꢃꢀꢍꢌꢀ°&
ꢇꢎꢌ
ꢑꢌꢌ
ꢇꢍꢌ
ꢏꢊꢌ
$
0D[ꢃꢀꢈꢌꢒꢋꢊꢀ°&
ꢍꢊꢌ
Ir)
ꢀꢁ ,QꢂRUGHUꢂWRꢂVDYHꢂSRZHUꢂFRQVXPSWLRQꢄꢂ0RELOHꢃ6'5$0ꢂLQFOXGHVꢂWKHꢂLQWHUQDOꢂWHPSHUDWXUHꢂVHQVRUꢂDQGꢂ
FRQWUROꢂXQLWVꢂWRꢂFRQWUROꢂWKHꢂVHOIꢂUHIUHVKꢂF\FOHꢂDXWRPDWLFDOO\ꢂDFFRUGLQJꢂWRꢂWKHꢂWZRꢂWHPSHUDWXUHꢂUDQJHVꢔꢂ
0D[ꢂꢎꢈ&ꢂDQGꢂ0D[ꢂꢑꢉ&ꢂꢏIRUꢂ([WHQGHGꢐꢄꢂ0D[ꢂꢋꢈ&ꢂꢏIRUꢂ&RPPHUFLDOꢐꢁ
ꢆꢁ ,IꢂWKHꢂ(056ꢂIRUꢂH[WHUQDOꢂ7&65ꢂLVꢂLVVXHGꢂE\ꢂWKHꢂFRQWUROOHUꢄꢂWKLVꢂ(056ꢂFRGHꢂIRUꢂ7&65ꢂLVꢂLJQRUHGꢁ
84 Power Up Sequence
ꢈꢃ $SSO\ꢀSRZHUꢀDQGꢀDWWHPSWꢀWRꢀPDLQWDLQꢀ&.(ꢀDWꢀDꢀKLJKꢀVWDWHꢀDQGꢀDOOꢀRWKHUꢀLQSXWVꢀPD\ꢀEH
XQGHILQHGꢃ
ꢅꢀ$SSO\ꢀ9''ꢀEHIRUHꢀRUꢀDWꢀWKHꢀVDPHꢀWLPHꢀDVꢀ9''4ꢃ
ꢋꢃ 0DLQWDLQꢀVWDEOHꢀSRZHUꢄꢀVWDEOHꢀFORFNꢀDQGꢀ123ꢀLQSXWꢀFRQGLWLRQꢀIRUꢀDꢀPLQLPXPꢀRIꢀꢏꢌꢌXVꢃ
ꢉꢃ ,VVXHꢀSUHFKDUJHꢀFRPPDQGVꢀIRUꢀDOOꢀEDQNVꢀRIꢀWKHꢀGHYLFHVꢃ
ꢇꢌꢃ ,VVXHꢀꢏꢀRUꢀPRUHꢀDXWRꢅUHIUHVKꢀFRPPDQGVꢃ
ꢇꢇꢃ ,VVXHꢀDꢀPRGHꢀUHJLVWHUꢀVHWꢀFRPPDQGꢀWRꢀLQLWLDOL]HꢀWKHꢀPRGHꢀUHJLVWHUꢃ
ꢇꢏꢃ ,VVXHꢀDꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀVHWꢀFRPPDQGꢀWRꢀGHILQHꢀ'6ꢀRUꢀ3$65ꢀRSHUDWLQJꢀW\SHꢀRI
WKHꢀGHYLFHꢀDIWHUꢀQRUPDOꢀ056
(056ꢀF\FOHꢀLVꢀQRWꢀPDQGDWRU\ꢀDQGꢀWKHꢀ(056ꢀFRPPDQGꢀQHHGVꢀWRꢀEHꢀLVVXHGꢀRQO\ꢀZKHQꢀ'6ꢀRU
3$65ꢀLVꢀXVHGꢃ
7KHꢀGHIDXOWꢀVWDWHꢀZLWKRXWꢀ(056ꢀFRPPDQGꢀLVVXHGꢀLVꢀKDOIꢀGULYHUꢀVWUHQJWKꢀDQGꢀIXOOꢀDUUD\
UHIUHVKHGꢃ
7KHꢀGHYLFHꢀLVꢀQRZꢀUHDG\ꢀIRUꢀWKHꢀRSHUDWLRQꢀVHOHFWHGꢀE\ꢀ(056ꢃ
)RUꢀRSHUDWLQJꢀZLWKꢀ'6ꢀRUꢀ3$65ꢄꢀVHWꢀ'6ꢀRUꢀ3$65ꢀPRGHꢀLQꢀ(056ꢀVHWWLQJꢀVWDJHꢃ
,QꢀRUGHUꢀWRꢀDGMXVWꢀDQRWKHUꢀPRGHꢀLQꢀWKHꢀVWDWHꢀRIꢀ'6ꢀRUꢀ3$65ꢀPRGHꢄꢀDGGLWLRQDOꢀ(056ꢀVHWꢀLVꢀUHꢅ
TXLUHGꢀEXWꢀSRZHUꢀXSꢀVHTXHQFHꢀLVꢀQRWꢀQHHGHGꢀDJDLQꢀDWꢀWKLVꢀWLPHꢃꢀ,QꢀWKDWꢀFDVHꢄꢀDOOꢀEDQNVꢀKDYH
WRꢀEHꢀLQꢀLGOHꢀVWDWHꢀSULRUꢀWRꢀDGMXVWLQJꢀ(056ꢀVHWꢃ
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
213
P r e l i m i n a r y
85 Burst Sequence
85.1 Burst Length = 4
Initial Address
Sequential
Interleave
A1
ꢌ
A0
ꢌ
ꢌ
ꢇ
ꢏ
ꢑ
ꢇ
ꢏ
ꢑ
ꢌ
ꢏ
ꢑ
ꢌ
ꢇ
ꢑ
ꢌ
ꢇ
ꢏ
ꢌ
ꢇ
ꢏ
ꢑ
ꢇ
ꢌ
ꢑ
ꢏ
ꢏ
ꢑ
ꢌ
ꢇ
ꢑ
ꢏ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
85.2 Burst Length = 8
Initial Address
Sequential
Interleave
A2
ꢌ
A1
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢌ
ꢇ
ꢇ
A0
ꢌ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢊ
ꢎ
ꢈ
ꢇ
ꢏ
ꢑ
ꢌ
ꢇ
ꢎ
ꢈ
ꢍ
ꢊ
ꢑ
ꢏ
ꢇ
ꢌ
ꢈ
ꢎ
ꢊ
ꢍ
ꢍ
ꢊ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢊ
ꢍ
ꢈ
ꢎ
ꢇ
ꢌ
ꢑ
ꢏ
ꢎ
ꢈ
ꢍ
ꢊ
ꢏ
ꢑ
ꢌ
ꢇ
ꢈ
ꢎ
ꢊ
ꢍ
ꢑ
ꢏ
ꢇ
ꢌ
ꢌ
ꢇ
ꢎ
ꢈ
ꢌ
ꢇ
ꢏ
ꢑ
ꢍ
ꢌ
ꢑ
ꢏ
ꢊ
ꢍ
ꢈ
ꢎ
ꢌ
ꢌ
ꢌ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
ꢇ
ꢌ
ꢇ
ꢇ
86 Device Operations
86.1 Addresses of 256Mb
ꢏꢊꢎꢄꢎꢄꢎ %DQNꢀ$GGUHVVHVꢀꢂ%$ꢋꢇ%$ꢄꢃ
ꢀ %
7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢍꢄꢇꢉꢍꢄꢑꢌꢍꢀZRUGVꢀ[ꢀꢇꢎꢀELWVꢀPHPRU\
DUUD\Vꢃꢀ7KHꢀ%$ꢌꢅ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWRꢀVHOHFW
WKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢅ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQNꢀDFꢅ
WLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
ꢀ"!
7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢏꢄꢌꢉꢈꢄꢇꢊꢏꢀZRUGVꢀ[ꢀꢑꢏꢀELWVꢀPHPRU\
DUUD\Vꢃꢀ7KHꢀ%$ꢌꢅ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWRꢀVHOHFW
WKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢅ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQNꢀDFꢅ
WLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
ꢏꢊꢎꢄꢎꢈꢀ $GGUHVVꢀ,QSXWVꢀꢂ$ꢋꢇ$ꢄꢈꢃ
ꢀ %
7KHꢀꢏꢏꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢍꢄꢇꢉꢍꢄꢑꢌꢍꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOWLSOH[HGꢀLQWR
ꢇꢑꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢅ$ꢇꢏꢂꢃꢀ7KHꢀꢇꢑꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWKꢀ5$6ꢔꢀDQG
%$ꢌꢅ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢉꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢅ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃꢀ
ꢀ"!
7KHꢀꢏꢇꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢏꢄꢌꢉꢈꢄꢇꢊꢏꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOWLSOH[HGꢀLQWR
ꢇꢏꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢅ$ꢇꢇꢂꢃꢀ7KHꢀꢇꢏꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWKꢀ5$6ꢔꢀDQG
%$ꢌꢀꢅꢀ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢉꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢅ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃꢀ
214
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
86.2 Addresses of 512Mb
ꢏꢊꢎꢈꢎꢄꢎ %DQNꢀ$GGUHVVHVꢀꢂ%$ꢋꢇ%$ꢄꢃ
ꢀ %
7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢋꢄꢑꢋꢋꢄꢎꢌꢋꢀZRUGVꢀ[ꢀꢇꢎꢀELWVꢀPHPRU\
DUUD\Vꢃꢀ7KHꢀ%$ꢌꢅ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀWRꢀVHOHFW
WKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢅ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQNꢀDFꢅ
WLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
ꢀ"!
7KLVꢀ6'5$0ꢀLVꢀRUJDQL]HGꢀDVꢀIRXUꢀLQGHSHQGHQWꢀEDQNVꢀRIꢀꢍꢄꢇꢉꢍꢄꢑꢌꢍꢀZRUGVꢀ[ꢀꢑꢏꢀELWVꢀPHPRU\
DUUD\Vꢃꢀ7KHꢀ%$ꢌꢅ%$ꢇꢀLQSXWVꢀDUHꢀODWFKHGꢀDWꢀWKHꢀWLPHꢀRIꢀDVVHUWLRQꢀRIꢀ5$6ꢑꢔꢀDQGꢀ&$6ꢔꢀWRꢀVHOHFW
WKHꢀEDQNꢀWRꢀEHꢀXVHGꢀIRUꢀWKHꢀRSHUDWLRQꢃꢀ7KHꢀEDQNꢀDGGUHVVHVꢀ%$ꢌꢅ%$ꢇꢀDUHꢀODWFKHGꢀDWꢀEDQNꢀDFꢅ
WLYHꢄꢀUHDGꢄꢀZULWHꢄꢀPRGHꢀUHJLVWHUꢀVHWꢀDQGꢀSUHFKDUJHꢀRSHUDWLRQVꢃ
ꢏꢊꢎꢈꢎꢈꢀ $GGUHVVꢀ,QSXWVꢀꢂ$ꢋꢇ$ꢄꢈꢃ
ꢀ %ꢀ
7KHꢀꢏꢑꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢋꢄꢑꢋꢋꢄꢎꢌꢋꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOWLSOH[HGꢀLQWR
ꢇꢑꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢅ$ꢇꢏꢂꢃꢀ7KHꢀꢇꢑꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWKꢀ5$6ꢔꢀDQG
%$ꢌꢅ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢇꢌꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢅ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃꢀ
ꢀ"!
7KHꢀꢏꢏꢀDGGUHVVꢀELWVꢀDUHꢀUHTXLUHGꢀWRꢀGHFRGHꢀWKHꢀꢋꢄꢑꢋꢋꢄꢎꢌꢋꢀZRUGꢀORFDWLRQVꢀDUHꢀPXOWLSOH[HGꢀLQWR
ꢇꢑꢀDGGUHVVꢀLQSXWꢀSLQVꢀꢁ$ꢌꢅ$ꢇꢏꢂꢃꢀ7KHꢀꢇꢑꢀELWꢀURZꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWKꢀ5$6ꢔꢀDQG
%$ꢌꢅ%$ꢇꢀGXULQJꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ7KHꢀꢉꢀELWꢀFROXPQꢀDGGUHVVHVꢀDUHꢀODWFKHGꢀDORQJꢀZLWK
&$6ꢔꢄꢀ:(ꢔꢀDQGꢀ%$ꢌꢅ%$ꢇꢀGXULQJꢀUHDGꢀRUꢀZULWHꢀFRPPDQGꢃ
86.3 Clock (CLK)
7KHꢀFORFNꢀLQSXWꢀLVꢀXVHGꢀDVꢀWKHꢀUHIHUHQFHꢀIRUꢀDOOꢀ6'5$0ꢀRSHUDWLRQVꢃꢀ$OOꢀRSHUDWLRQVꢀDUHꢀV\QFKURꢅ
QL]HGꢀWRꢀWKHꢀSRVLWLYHꢀJRLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢃꢀ7KHꢀFORFNꢀWUDQVLWLRQVꢀPXVWꢀEHꢀPRQRWRQLF
EHWZHHQꢀ9,/ꢀDQGꢀ9,+ꢃꢀ'XULQJꢀRSHUDWLRQꢀZLWKꢀ&.(ꢀKLJKꢀDOOꢀLQSXWVꢀDUHꢀDVVXPHGꢀWRꢀEHꢀLQꢀDꢀYDOLG
VWDWHꢀꢁORZꢀRUꢀKLJKꢂꢀIRUꢀWKHꢀGXUDWLRQꢀRIꢀVHWꢅXSꢀDQGꢀKROGꢀWLPHꢀDURXQGꢀSRVLWLYHꢀHGJHꢀRIꢀWKHꢀFORFN
LQꢀRUGHUꢀWRꢀIXQFWLRQꢀZHOOꢀ4ꢀSHUIRUPꢀDQGꢀ,&&ꢀVSHFLILFDWLRQVꢃꢀ
86.4 Clock Enable (CKE)
7KHꢀFORFNꢀHQDEOHꢀꢁ&.(ꢂꢀJDWHVꢀWKHꢀFORFNꢀRQWRꢀ6'5$0ꢃꢀ,Iꢀ&.(ꢀJRHVꢀORZꢀV\QFKURQRXVO\ꢀZLWKꢀFORFN
ꢁVHWꢅXSꢀDQGꢀKROGꢀWLPHꢀDUHꢀWKHꢀVDPHꢀDVꢀRWKHUꢀLQSXWVꢂꢄꢀWKHꢀLQWHUQDOꢀFORFNꢀLVꢀVXVSHQGHGꢀIURPꢀWKH
QH[WꢀFORFNꢀF\FOHꢀDQGꢀWKHꢀVWDWHꢀRIꢀRXWSXWꢀDQGꢀEXUVWꢀDGGUHVVꢀLVꢀIUR]HQꢀDVꢀORQJꢀDVꢀWKHꢀ&.(ꢀUHꢅ
PDLQVꢀORZꢃꢀ$OOꢀRWKHUꢀLQSXWVꢀDUHꢀLJQRUHGꢀIURPꢀWKHꢀQH[WꢀFORFNꢀF\FOHꢀDIWHUꢀ&.(ꢀJRHVꢀORZꢃꢀ:KHQ
DOOꢀEDQNVꢀDUHꢀLQꢀWKHꢀLGOHꢀVWDWHꢀDQGꢀ&.(ꢀJRHVꢀORZꢀV\QFKURQRXVO\ꢀZLWKꢀFORFNꢄꢀWKHꢀ6'5$0ꢀHQWHUV
WKHꢀSRZHUꢀGRZQꢀPRGHꢀIURPꢀWKHꢀQH[WꢀFORFNꢀF\FOHꢃꢀ7KHꢀ6'5$0ꢀUHPDLQVꢀLQꢀWKHꢀSRZHUꢀGRZQ
PRGHꢀLJQRULQJꢀWKHꢀRWKHUꢀLQSXWVꢀDVꢀORQJꢀDVꢀ&.(ꢀUHPDLQVꢀORZꢃꢀ7KHꢀSRZHUꢀGRZQꢀH[LWꢀLVꢀV\QFKURꢅ
QRXVꢀDVꢀWKHꢀLQWHUQDOꢀFORFNꢀLVꢀVXVSHQGHGꢃꢀ:KHQꢀ&.(ꢀJRHVꢀKLJKꢀDWꢀOHDVWꢀꢀ&/.ꢂꢓꢂW66ꢀEHIRUHꢀWKH
KLJKꢀJRLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢄꢀWKHQꢀWKHꢀ6'5$0ꢀEHFRPHVꢀDFWLYHꢀIURPꢀWKHꢀVDPHꢀFORFNꢀHGJHꢀDFꢅ
FHSWLQJꢀDOOꢀWKHꢀLQSXWꢀFRPPDQGVꢃ
86.5 NOP and Device Deselect
:KHQꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀDUHꢀKLJKꢄꢀWKHꢀ6'5$0ꢀSHUIRUPVꢀQRꢀRSHUDWLRQꢀꢁ123ꢂꢃꢀ123ꢀGRHV
QRWꢀLQLWLDWHꢀDQ\ꢀQHZꢀRSHUDWLRQꢄꢀEXWꢀLVꢀQHHGHGꢀWRꢀFRPSOHWHꢀRSHUDWLRQVꢀZKLFKꢀUHTXLUHꢀPRUHꢀWKDQ
VLQJOHꢀFORFNꢀF\FOHꢀOLNHꢀEDQNꢀDFWLYDWHꢄꢀEXUVWꢀUHDGꢄꢀDXWRꢀUHIUHVKꢄꢀHWFꢃꢀ7KHꢀGHYLFHꢀGHVHOHFWꢀLVꢀDOVR
Dꢀ123ꢀDQGꢀLVꢀHQWHUHGꢀE\ꢀDVVHUWLQJꢀ&6ꢔꢀKLJKꢃꢀ&6ꢔꢀKLJKꢀGLVDEOHVꢀWKHꢀFRPPDQGꢀGHFRGHUꢀVRꢀWKDW
5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔꢀDQGꢀDOOꢀWKHꢀDGGUHVVꢀLQSXWVꢀDUHꢀLJQRUHGꢃ
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
215
P r e l i m i n a r y
86.6 DQM Operation
7KHꢀ'40ꢀLVꢀXVHGꢀWRꢀPDVNꢀLQSXWꢀDQGꢀRXWSXWꢀRSHUDWLRQVꢃꢀ,WꢀZRUNVꢀVLPLODUꢀWRꢀ2(ꢔꢀGXULQJꢀUHDG
RSHUDWLRQꢀDQGꢀLQKLELWVꢀZULWLQJꢀGXULQJꢀZULWHꢀRSHUDWLRQꢃꢀ7KHꢀUHDGꢀODWHQF\ꢀLVꢀWZRꢀF\FOHVꢀIURPꢀ'40
DQGꢀ]HURꢀF\FOHꢀIRUꢀZULWHꢄꢀZKLFKꢀPHDQVꢀ'40ꢀPDVNLQJꢀRFFXUVꢀWZRꢀF\FOHVꢀODWHUꢀLQꢀUHDGꢀF\FOHꢀDQG
RFFXUVꢀLQꢀWKHꢀVDPHꢀF\FOHꢀGXULQJꢀZULWHꢀF\FOHꢃꢀ'40ꢀRSHUDWLRQꢀLVꢀV\QFKURQRXVꢀZLWKꢀWKHꢀFORFNꢃꢀ7KH
'40ꢀVLJQDOꢀLVꢀLPSRUWDQWꢀGXULQJꢀEXUVWꢀLQWHUUXSWLRQVꢀRIꢀZULWHꢀZLWKꢀUHDGꢀRUꢀSUHFKDUJHꢀLQꢀWKH
6'5$0ꢃꢀ'XHꢀWRꢀDV\QFKURQRXVꢀQDWXUHꢀRIꢀWKHꢀLQWHUQDOꢀZULWHꢄꢀWKHꢀ'40ꢀRSHUDWLRQꢀLVꢀFULWLFDOꢀWR
DYRLGꢀXQZDQWHGꢀRUꢀLQFRPSOHWHꢀZULWHVꢀZKHQꢀWKHꢀFRPSOHWHꢀEXUVWꢀZULWHꢀLVꢀQRWꢀUHTXLUHGꢃꢀ3OHDVH
UHIHUꢀWRꢀ)LJXUHꢀꢋꢈꢃꢑꢀDOVRꢃꢀ
86.7 Mode Register Set (MRS)
7KHꢀPRGHꢀUHJLVWHUꢀVWRUHVꢀWKHꢀGDWDꢀIRUꢀFRQWUROOLQJꢀWKHꢀYDULRXVꢀRSHUDWLQJꢀPRGHVꢀRIꢀ6'5$0ꢃꢀ,W
SURJUDPVꢀWKHꢀ&$6ꢀODWHQF\ꢄꢀEXUVWꢀW\SHꢄꢀEXUVWꢀOHQJWKꢄꢀWHVWꢀPRGHꢀDQGꢀYDULRXVꢀYHQGRUꢀVSHFLILF
RSWLRQVꢀWRꢀPDNHꢀ6'5$0ꢀXVHIXOꢀIRUꢀYDULHW\ꢀRIꢀGLIIHUHQWꢀDSSOLFDWLRQVꢃꢀ7KHꢀGHIDXOWꢀYDOXHꢀRIꢀWKH
PRGHꢀUHJLVWHUꢀLVꢀQRWꢀGHILQHGꢄꢀWKHUHIRUHꢀWKHꢀPRGHꢀUHJLVWHUꢀPXVWꢀEHꢀZULWWHQꢀDIWHUꢀSRZHUꢀXSꢀWR
RSHUDWHꢀWKHꢀ6'5$0ꢃꢀ7KHꢀPRGHꢀUHJLVWHUꢀLVꢀZULWWHQꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQG
:(ꢔꢀꢁ7KHꢀ6'5$0ꢀVKRXOGꢀEHꢀLQꢀDFWLYHꢀPRGHꢀZLWKꢀ&.(ꢀDOUHDG\ꢀKLJKꢀSULRUꢀWRꢀZULWLQJꢀWKHꢀPRGH
UHJLVWHUꢂꢃꢀ7KHꢀVWDWHꢀRIꢀDGGUHVVꢀSLQVꢀ$ꢌꢅ$QꢀDQGꢀ%$ꢌꢅ%$ꢇꢀLQꢀWKHꢀVDPHꢀF\FOHꢀDVꢀ&6ꢔꢄꢀ5$6ꢔꢄ
&$6ꢔꢀDQGꢀ:(ꢔꢀJRLQJꢀORZꢀLVꢀWKHꢀGDWDꢀZULWWHQꢀLQꢀWKHꢀPRGHꢀUHJLVWHUꢃꢀ7ZRꢀFORFNꢀF\FOHVꢀLVꢀUHTXLUHG
WRꢀFRPSOHWHꢀWKHꢀZULWHꢀLQꢀWKHꢀPRGHꢀUHJLVWHUꢃꢀ7KHꢀPRGHꢀUHJLVWHUꢀFRQWHQWVꢀFDQꢀEHꢀFKDQJHGꢀXVLQJ
WKHꢀVDPHꢀFRPPDQGꢀDQGꢀFORFNꢀF\FOHꢀUHTXLUHPHQWVꢀGXULQJꢀRSHUDWLRQꢀDVꢀORQJꢀDVꢀDOOꢀEDQNVꢀDUHꢀLQ
WKHꢀLGOHꢀVWDWHꢃꢀ7KHꢀPRGHꢀUHJLVWHUꢀLVꢀGLYLGHGꢀLQWRꢀYDULRXVꢀILHOGVꢀGHSHQGLQJꢀRQꢀWKHꢀILHOGVꢀRIꢀIXQFꢅ
WLRQVꢃꢀ7KHꢀEXUVWꢀOHQJWKꢀILHOGꢀXVHVꢀ$ꢌꢅ$ꢏꢄꢀEXUVWꢀW\SHꢀXVHVꢀ$ꢑꢄꢀ&$6ꢀODWHQF\ꢀꢁUHDGꢀODWHQF\ꢀIURP
FROXPQꢀDGGUHVVꢂꢀXVHꢀ$ꢍꢅ$ꢎꢄꢀYHQGRUꢀVSHFLILFꢀRSWLRQVꢀRUꢀWHVWꢀPRGHꢀXVHꢀ$ꢈꢅ$ꢋꢄꢀ$ꢇꢌꢒ$3ꢅ$QꢀDQG
%$ꢌꢅ%$ꢇꢃꢀ7KHꢀZULWHꢀEXUVWꢀOHQJWKꢀLVꢀSURJUDPPHGꢀXVLQJꢀ$ꢉꢃꢀ$ꢈꢅ$ꢋꢄꢀ$ꢇꢌꢒ$3ꢅ$QꢀDQGꢀ%$ꢌꢅ%$ꢇ
PXVWꢀEHꢀVHWꢀWRꢀORZꢀIRUꢀQRUPDOꢀ6'5$0ꢀRSHUDWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀWDEOHꢀIRUꢀVSHFLILFꢀFRGHVꢀIRUꢀYDUꢅ
LRXVꢀEXUVWꢀOHQJWKꢄꢀEXUVWꢀW\SHꢀDQGꢀ&$6ꢀODWHQFLHVꢃ
86.8 Extended Mode Register Set (EMRS)
7KHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀVWRUHVꢀWKHꢀGDWDꢀIRUꢀVHOHFWLQJꢀGULYHUꢀVWUHQJWKꢀDQGꢀSDUWLDOꢀVHOIꢀUHꢅ
IUHVKꢃꢀ(056ꢀF\FOHꢀLVꢀQRWꢀPDQGDWRU\ꢀDQGꢀWKHꢀ(056ꢀFRPPDQGꢀQHHGVꢀWRꢀEHꢀLVVXHGꢀRQO\ꢀZKHQ
'6ꢀRUꢀ3$65ꢀLVꢀXVHGꢃꢀ7KHꢀGHIDXOWꢀVWDWHꢀZLWKRXWꢀ(056ꢀFRPPDQGꢀLVVXHGꢀLVꢀKDOIꢀGULYHUꢀVWUHQJWKꢄ
DQGꢀIXOOꢀDUUD\ꢀUHIUHVKHGꢃꢀꢀꢀ7KHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢀLVꢀZULWWHQꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄ
5$6ꢔꢄꢀ&$6ꢔꢄꢀ:(ꢔꢀDQGꢀKLJKꢀRQꢀ%$ꢇꢄORZꢀRQꢀ%$ꢌꢀꢁ7KHꢀ6'5$0ꢀVKRXOGꢀEHꢀLQꢀDOOꢀEDQNꢀSUHFKDUJH
ZLWKꢀ&.(ꢀDOUHDG\ꢀKLJKꢀSULRUꢀWRꢀZULWLQJꢀLQWRꢀWKHꢀH[WHQGHGꢀPRGHꢀUHJLVWHUꢂꢃꢀ7KHꢀVWDWHꢀRIꢀDGGUHVV
SLQVꢀ$ꢌꢅ$ꢇꢇꢀLQꢀWKHꢀVDPHꢀF\FOHꢀDVꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀJRLQJꢀORZꢀLVꢀZULWWHQꢀLQꢀWKHꢀH[ꢅ
WHQGHGꢀPRGHꢀUHJLVWHUꢃꢀ7ZRꢀFORFNꢀF\FOHVꢀDUHꢀUHTXLUHGꢀWRꢀFRPSOHWHꢀWKHꢀZULWHꢀRSHUDWLRQꢀLQꢀWKH
H[WHQGHGꢀPRGHꢀUHJLVWHUꢃꢀ7KHꢀPRGHꢀUHJLVWHUꢀFRQWHQWVꢀFDQꢀEHꢀFKDQJHGꢀXVLQJꢀWKHꢀVDPHꢀFRPꢅ
PDQGꢀDQGꢀFORFNꢀF\FOHꢀUHTXLUHPHQWVꢀGXULQJꢀRSHUDWLRQꢀDVꢀORQJꢀDVꢀDOOꢀEDQNVꢀDUHꢀLQꢀWKHꢀLGOHꢀVWDWHꢃ
$ꢌꢅ$ꢏꢀDUHꢀXVHGꢀIRUꢀSDUWLDOꢀVHOIꢀUHIUHVKꢄꢀ$ꢊꢅ$ꢎꢀDUHꢀXVHGꢀIRUꢀ'ULYHUꢀVWUHQJWKꢄꢀ/RZꢀRQꢀ%$ꢌꢀDQG
+LJKꢀRQꢀ%$ꢇꢀDUHꢀXVHGꢀIRUꢀ(056ꢃꢀ$OOꢀWKHꢀRWKHUꢀDGGUHVVꢀSLQVꢀH[FHSWꢀ$ꢌꢅ$ꢏꢄꢀ$ꢊꢅ$ꢎꢄꢀ%$ꢇꢄꢀ%$ꢌ
PXVWꢀEHꢀVHWꢀWRꢀORZꢀIRUꢀSURSHUꢀ(056ꢀRSHUDWLRQꢃꢀ5HIHUꢀWRꢀWKHꢀWDEOHꢀIRUꢀVSHFLILFꢀFRGHVꢃ
86.9 Bank Activate
7KHꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀVHOHFWꢀDꢀUDQGRPꢀURZꢀLQꢀDQꢀLGOHꢀEDQNꢃꢀ%\ꢀDVVHUWLQJꢀORZ
RQꢀ5$6ꢔꢀDQGꢀ&6ꢔꢀZLWKꢀGHVLUHGꢀURZꢀDQGꢀEDQNꢀDGGUHVVꢄꢀDꢀURZꢀDFFHVVꢀLVꢀLQLWLDWHGꢃꢀ7KHꢀUHDGꢀRU
ZULWHꢀRSHUDWLRQꢀFDQꢀRFFXUꢀDIWHUꢀDꢀWLPHꢀGHOD\ꢀRIꢀW5&'ꢁPLQꢂꢀIURPꢀWKHꢀWLPHꢀRIꢀEDQNꢀDFWLYDWLRQꢃꢀW5&'
LVꢀDQꢀLQWHUQDOꢀWLPLQJꢀSDUDPHWHUꢀRIꢀ6'5$0ꢄꢀWKHUHIRUHꢀLWꢀLVꢀGHSHQGHQWꢀRQꢀRSHUDWLQJꢀFORFNꢀIUHꢅ
TXHQF\ꢃꢀ7KHꢀPLQLPXPꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHGꢀEHWZHHQꢀEDQNꢀDFWLYDWHꢀDQGꢀUHDGꢀRU
ZULWHꢀFRPPDQGꢀVKRXOGꢀEHꢀFDOFXODWHGꢀE\ꢀGLYLGLQJꢀW5&'ꢁPLQꢂꢀZLWKꢀF\FOHꢀWLPHꢀRIꢀWKHꢀFORFNꢀDQGꢀWKHQ
URXQGLQJꢀRIIꢀWKHꢀUHVXOWꢀWRꢀWKHꢀQH[WꢀKLJKHUꢀLQWHJHUꢃ
216
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
7KHꢀ6'5$0ꢀKDVꢀIRXUꢀLQWHUQDOꢀEDQNVꢀLQꢀWKHꢀVDPHꢀFKLSꢀDQGꢀVKDUHVꢀSDUWꢀRIꢀWKHꢀLQWHUQDOꢀFLUFXLWU\
WRꢀUHGXFHꢀFKLSꢀDUHDꢄꢀWKHUHIRUHꢀLWꢀUHVWULFWVꢀWKHꢀDFWLYDWLRQꢀRIꢀIRXUꢀEDQNVꢀVLPXOWDQHRXVO\ꢃꢀ$OVRꢀWKH
QRLVHꢀJHQHUDWHGꢀGXULQJꢀVHQVLQJꢀRIꢀHDFKꢀEDQNꢀRIꢀ6'5$0ꢀLVꢀKLJKꢄꢀUHTXLULQJꢀVRPHꢀWLPHꢀIRUꢀSRZHU
VXSSOLHVꢀWRꢀUHFRYHUꢀEHIRUHꢀDQRWKHUꢀEDQNꢀFDQꢀEHꢀVHQVHGꢀUHOLDEO\ꢃꢀW55'ꢁPLQꢂꢀVSHFLILHVꢀWKHꢀPLQLꢅ
PXPꢀWLPHꢀUHTXLUHGꢀEHWZHHQꢀDFWLYDWLQJꢀGLIIHUHQWꢀEDQNꢃꢀ7KHꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHG
EHWZHHQꢀGLIIHUHQWꢀEDQNꢀDFWLYDWLRQꢀPXVWꢀEHꢀFDOFXODWHGꢀVLPLODUꢀWRꢀW5&'ꢀVSHFLILFDWLRQꢃꢀ7KHꢀPLQLꢅ
PXPꢀWLPHꢀUHTXLUHGꢀIRUꢀWKHꢀEDQNꢀWRꢀEHꢀDFWLYHꢀWRꢀLQLWLDWHꢀVHQVLQJꢀDQGꢀUHVWRULQJꢀWKHꢀFRPSOHWH
URZꢀRIꢀG\QDPLFꢀFHOOVꢀLVꢀGHWHUPLQHGꢀE\ꢀW5$6ꢁPLQꢂꢃꢀ(YHU\ꢀ6'5$0ꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢀPXVW
VDWLVI\ꢀW5$6ꢁPLQꢂꢀVSHFLILFDWLRQꢀEHIRUHꢀDꢀSUHFKDUJHꢀFRPPDQGꢀWRꢀWKDWꢀDFWLYHꢀEDQNꢀFDQꢀEHꢀDVꢅ
VHUWHGꢃꢀ7KHꢀPD[LPXPꢀWLPHꢀDQ\ꢀEDQNꢀFDQꢀEHꢀLQꢀWKHꢀDFWLYHꢀVWDWHꢀLVꢀGHWHUPLQHGꢀE\ꢀW5$6ꢁPLQꢂꢃ
7KHꢀQXPEHUꢀRIꢀF\FOHVꢀIRUꢀERWKꢀW5$6ꢁPLQꢂꢀDQGꢀW5$6ꢁPD[ꢂꢀFDQꢀEHꢀFDOFXODWHGꢀVLPLODUꢀWRꢀW5&'
VSHFLILFDWLRQꢃ
86.10 Burst Read
7KHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀXVHGꢀWRꢀDFFHVVꢀEXUVWꢀRIꢀGDWDꢀRQꢀFRQVHFXWLYHꢀFORFNꢀF\FOHVꢀIURPꢀDQ
DFWLYHꢀURZꢀLQꢀDQꢀDFWLYHꢀEDQNꢃꢀ7KHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀLVVXHGꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢀDQG
&$6ꢔꢀZLWKꢀ:(ꢔꢀEHLQJꢀKLJKꢀRQꢀWKHꢀSRVLWLYHꢀHGJHꢀRIꢀWKHꢀFORFNꢃꢀ7KHꢀEDQNꢀPXVWꢀEHꢀDFWLYHꢀIRUꢀDW
OHDVWꢀW5&'ꢁPLQꢂꢀEHIRUHꢀWKHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀLVVXHGꢃꢀ7KHꢀILUVWꢀRXWSXWꢀDSSHDUVꢀLQꢀ&$6ꢀODꢅ
WHQF\ꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀDIWHUꢀWKHꢀLVVXHꢀRIꢀEXUVWꢀUHDGꢀFRPPDQGꢃꢀ7KHꢀEXUVWꢀOHQJWKꢄꢀEXUVW
VHTXHQFHꢀDQGꢀODWHQF\ꢀIURPꢀWKHꢀEXUVWꢀUHDGꢀFRPPDQGꢀLVꢀGHWHUPLQHGꢀE\ꢀWKHꢀPRGHꢀUHJLVWHU
ZKLFKꢀLVꢀDOUHDG\ꢀSURJUDPPHGꢃꢀ7KHꢀEXUVWꢀUHDGꢀFDQꢀEHꢀLQLWLDWHGꢀRQꢀDQ\ꢀFROXPQꢀDGGUHVVꢀRIꢀWKH
DFWLYHꢀURZꢃꢀ7KHꢀDGGUHVVꢀZUDSVꢀDURXQGꢀLIꢀWKHꢀLQLWLDOꢀDGGUHVVꢀGRHVꢀQRWꢀVWDUWꢀIURPꢀDꢀERXQGDU\
VXFKꢀWKDWꢀQXPEHUꢀRIꢀRXWSXWVꢀIURPꢀHDFKꢀ,ꢒ2ꢀDUHꢀHTXDOꢀWRꢀWKHꢀEXUVWꢀOHQJWKꢀSURJUDPPHGꢀLQꢀWKH
PRGHꢀUHJLVWHUꢃꢀ7KHꢀRXWSXWꢀJRHVꢀLQWRꢀKLJKꢅLPSHGDQFHꢀDWꢀWKHꢀHQGꢀRIꢀWKHꢀEXUVWꢄꢀXQOHVVꢀDꢀQHZ
EXUVWꢀUHDGꢀZDVꢀLQLWLDWHGꢀWRꢀNHHSꢀWKHꢀGDWDꢀRXWSXWꢀVHDPOHVVꢃꢀ7KHꢀEXUVWꢀUHDGꢀFDQꢀEHꢀWHUPLQDWHG
E\ꢀLVVXLQJꢀDQRWKHUꢀEXUVWꢀUHDGꢀRUꢀEXUVWꢀZULWHꢀLQꢀWKHꢀVDPHꢀEDQNꢀRUꢀWKHꢀRWKHUꢀDFWLYHꢀEDQNꢀRUꢀD
SUHFKDUJHꢀFRPPDQGꢀWRꢀWKHꢀVDPHꢀEDQNꢃꢀ7KHꢀEXUVWꢀVWRSꢀFRPPDQGꢀLVꢀYDOLGꢀDWꢀHYHU\ꢀSDJHꢀEXUVW
OHQJWK
86.11 Burst Write
7KHꢀEXUVWꢀZULWHꢀFRPPDQGꢀLVꢀVLPLODUꢀWRꢀEXUVWꢀUHDGꢀFRPPDQGꢀDQGꢀLVꢀXVHGꢀWRꢀZULWHꢀGDWDꢀLQWRꢀWKH
6'5$0ꢀRQꢀFRQVHFXWLYHꢀFORFNꢀF\FOHVꢀLQꢀDGMDFHQWꢀDGGUHVVHVꢀGHSHQGLQJꢀRQꢀEXUVWꢀOHQJWKꢀDQG
EXUVWꢀVHTXHQFHꢃꢀ%\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ&$6ꢔꢀDQGꢀ:(ꢔꢀZLWKꢀYDOLGꢀFROXPQꢀDGGUHVVꢄꢀDꢀZULWH
EXUVWꢀLVꢀLQLWLDWHGꢃꢀ7KHꢀGDWDꢀLQSXWVꢀDUHꢀSURYLGHGꢀIRUꢀWKHꢀLQLWLDOꢀDGGUHVVꢀLQꢀWKHꢀVDPHꢀFORFNꢀF\FOH
DVꢀWKHꢀEXUVWꢀZULWHꢀFRPPDQGꢃꢀ7KHꢀLQSXWꢀEXIIHUꢀLVꢀGHVHOHFWHGꢀDWꢀWKHꢀHQGꢀRIꢀWKHꢀEXUVWꢀOHQJWKꢄ
HYHQꢀWKRXJKꢀWKHꢀLQWHUQDOꢀZULWLQJꢀFDQꢀEHꢀFRPSOHWHGꢀ\HWꢃꢀ7KHꢀZULWLQJꢀFDQꢀEHꢀFRPSOHWHGꢀE\ꢀLVꢅ
VXLQJꢀDꢀEXUVWꢀUHDGꢀDQGꢀ'40ꢀIRUꢀEORFNLQJꢀGDWDꢀLQSXWVꢀRUꢀEXUVWꢀZULWHꢀLQꢀWKHꢀVDPHꢀRUꢀDQRWKHU
DFWLYHꢀEDQNꢃꢀ7KHꢀEXUVWꢀVWRSꢀFRPPDQGꢀLVꢀYDOLGꢀDWꢀHYHU\ꢀEXUVWꢀOHQJWKꢃꢀ7KHꢀZULWHꢀEXUVWꢀFDQꢀDOVR
EHꢀWHUPLQDWHGꢀE\ꢀXVLQJꢀ'40ꢀIRUꢀEORFNLQJꢀGDWDꢀDQGꢀSURFUHDWLQJꢀWKHꢀEDQNꢀW5'/ꢀDIWHUꢀWKHꢀODVW
GDWDꢀLQSXWꢀWRꢀEHꢀZULWWHQꢀLQWRꢀWKHꢀDFWLYHꢀURZꢃꢀ6HHꢀ'40ꢀ2SHUDWLRQꢃ
86.12 All Banks Precharge
$OOꢀEDQNVꢀFDQꢀEHꢀSUHFKDUJHGꢀDWꢀWKHꢀVDPHꢀWLPHꢀE\ꢀXVLQJꢀ3UHFKDUJHꢀDOOꢀFRPPDQGꢃꢀ$VVHUWLQJꢀORZ
RQꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀDQGꢀ:(ꢔꢀZLWKꢀKLJKꢀRQꢀ$ꢇꢌꢒ$3ꢀDIWHUꢀDOOꢀEDQNVꢀKDYHꢀVDWLVILHGꢀW5$6ꢁPLQꢂꢀUHTXLUHꢅ
PHQWꢄꢀSHUIRUPVꢀSUHFKDUJHꢀRQꢀDOOꢀEDQNVꢃꢀ$WꢀWKHꢀHQGꢀRIꢀW53ꢀDIWHUꢀSHUIRUPLQJꢀSUHFKDUJHꢀWRꢀDOO
WKHꢀEDQNVꢄꢀDOOꢀEDQNVꢀDUHꢀLQꢀLGOHꢀVWDWHꢃ
86.13 Precharge
7KHꢀSUHFKDUJHꢀRSHUDWLRQꢀLVꢀSHUIRUPHGꢀRQꢀDQꢀDFWLYHꢀEDQNꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄ
:(ꢔꢀDQGꢀ$ꢇꢌꢒ$3ꢀZLWKꢀYDOLGꢀ%$ꢌꢅ%$ꢇꢀRIꢀWKHꢀEDQNꢀWRꢀEHꢀSUHFKDUJHGꢃꢀ7KHꢀSUHFKDUJHꢀFRPPDQG
FDQꢀEHꢀDVVHUWHGꢀDQ\WLPHꢀDIWHUꢀW5$6ꢁPLQꢂꢀLVꢀVDWLVILHGꢀIURPꢀWKHꢀEDQNꢀDFWLYHꢀFRPPDQGꢀLQꢀWKHꢀGHꢅ
VLUHGꢀEDQNꢃꢀW53ꢀLVꢀGHILQHGꢀDVꢀWKHꢀPLQLPXPꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHGꢀWRꢀFRPSOHWHꢀURZ
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
217
P r e l i m i n a r y
SUHFKDUJHꢀLVꢀFDOFXODWHGꢀE\ꢀGLYLGLQJꢀW53ꢀZLWKꢀFORFNꢀF\FOHꢀWLPHꢀDQGꢀURXQGLQJꢀXSꢀWRꢀWKHꢀQH[W
KLJKHUꢀLQWHJHUꢃꢀ&DUHꢀVKRXOGꢀEHꢀWDNHQꢀWRꢀPDNHꢀVXUHꢀWKDWꢀEXUVWꢀZULWHꢀLVꢀFRPSOHWHGꢀRUꢀ'40ꢀLV
XVHGꢀWRꢀLQKLELWꢀZULWLQJꢀEHIRUHꢀSUHFKDUJHꢀFRPPDQGꢀLVꢀDVVHUWHGꢃꢀ7KHꢀPD[LPXPꢀWLPHꢀDQ\ꢀEDQN
FDQꢀEHꢀDFWLYHꢀLVꢀVSHFLILHGꢀE\ꢀW5$6ꢁPD[ꢂꢃꢀ7KHUHIRUHꢄꢀHDFKꢀEDQNꢀDFWLYDWHꢀFRPPDQGꢃꢀ$WꢀWKHꢀHQG
RIꢀSUHFKDUJHꢄꢀWKHꢀEDQNꢀHQWHUVꢀWKHꢀLGOHꢀVWDWHꢀDQGꢀLVꢀUHDG\ꢀWRꢀEHꢀDFWLYDWHGꢀDJDLQꢃꢀ(QWU\ꢀWRꢀ3RZHU
GRZQꢄꢀ$XWRꢀUHIUHVKꢄꢀ6HOIꢀUHIUHVKꢀDQGꢀ0RGHꢀUHJLVWHUꢀVHWꢀHWFꢃꢀLVꢀSRVVLEOHꢀRQO\ꢀZKHQꢀDOOꢀEDQNVꢀDUH
LQꢀLGOHꢀVWDWHꢃꢀ
86.14 Auto Precharge
7KHꢀSUHFKDUJHꢀRSHUDWLRQꢀFDQꢀDOVRꢀEHꢀSHUIRUPHGꢀE\ꢀXVLQJꢀDXWRꢀSUHFKDUJHꢃꢀ7KHꢀ6'5$0ꢀLQWHUꢅ
QDOO\ꢀJHQHUDWHVꢀWKHꢀWLPLQJꢀWRꢀVDWLVI\ꢀW5$6ꢁPLQꢂꢀDQGꢀW53ꢀIRUꢀWKHꢀSURJUDPPHGꢀEXUVWꢀOHQJWKꢀDQG
&$6ꢀODWHQF\ꢃꢀ7KHꢀDXWRꢀSUHFKDUJHꢀFRPPDQGꢀLVꢀLVVXHGꢀDWꢀWKHꢀVDPHꢀWLPHꢀDVꢀEXUVWꢀUHDGꢀRUꢀEXUVW
ZULWHꢀE\ꢀDVVHUWLQJꢀKLJKꢀRQꢀ$ꢇꢌꢒ$3ꢃꢀ,IꢀEXUVWꢀUHDGꢀRUꢀEXUVWꢀZULWHꢀE\ꢀDVVHUWLQJꢀKLJKꢀRQꢀ$ꢇꢌꢒ$3ꢄ
WKHꢀEDQNꢀLVꢀOHIWꢀDFWLYHꢀXQWLOꢀDꢀQHZꢀFRPPDQGꢀLVꢀDVVHUWHGꢃꢀ2QFHꢀDXWRꢀSUHFKDUJHꢀFRPPDQGꢀLV
JLYHQꢄꢀQRꢀQHZꢀFRPPDQGVꢀDUHꢀSRVVLEOHꢀWRꢀWKDWꢀSDUWLFXODUꢀEDQNꢀXQWLOꢀWKHꢀEDQNꢀDFKLHYHVꢀLGOH
VWDWHꢃ
86.15 Auto Refresh
7KHꢀVWRUDJHꢀFHOOVꢀRIꢀꢎꢍ0Eꢄꢀꢇꢏꢋ0Eꢄꢀꢏꢊꢎ0EꢀDQGꢀꢊꢇꢏ0Eꢀ6'5$0ꢀQHHGꢀWRꢀEHꢀUHIUHVKHGꢀHYHU\
ꢎꢍPVꢀWRꢀPDLQWDLQꢀGDWDꢃꢀ$QꢀDXWRꢀUHIUHVKꢀF\FOHꢀDFFRPSOLVKHVꢀUHIUHVKꢀRIꢀDꢀVLQJOHꢀURZꢀRIꢀVWRUDJH
FHOOVꢃꢀ7KHꢀLQWHUQDOꢀFRXQWHUꢀLQFUHPHQWVꢀDXWRPDWLFDOO\ꢀRQꢀHYHU\ꢀDXWRꢀUHIUHVKꢀF\FOHꢀWRꢀUHIUHVKꢀDOO
WKHꢀURZVꢃꢀ$QꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀLVꢀLVVXHGꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀZLWK
KLJKꢀRQꢀ&.(ꢀDQGꢀ:(ꢔꢃꢀ7KHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀFDQꢀRQO\ꢀEHꢀDVVHUWHGꢀZLWKꢀDOOꢀEDQNVꢀEHLQJ
LQꢀLGOHꢀVWDWHꢀDQGꢀWKHꢀGHYLFHꢀLVꢀQRWꢀLQꢀSRZHUꢀGRZQꢀPRGHꢀꢁ&.(ꢀLVꢀKLJKꢀLQꢀWKHꢀSUHYLRXVꢀF\FOHꢂꢃ
7KHꢀWLPHꢀUHTXLUHGꢀWRꢀFRPSOHWHꢀWKHꢀDXWRꢀUHIUHVKꢀRSHUDWLRQꢀLVꢀVSHFLILHGꢀE\ꢀW$5)&ꢁPLQꢂꢃꢀ7KHꢀPLQꢅ
LPXPꢀQXPEHUꢀRIꢀFORFNꢀF\FOHVꢀUHTXLUHGꢀFDQꢀEHꢀFDOFXODWHGꢀE\ꢀGULYLQJꢀW$5)&ꢀZLWKꢀFORFNꢀF\FOHꢀWLPH
DQGꢀWKHPꢀURXQGLQJꢀXSꢀWRꢀWKHꢀQH[WꢀKLJKHUꢀLQWHJHUꢃꢀ7KHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀPXVWꢀEHꢀIROORZHG
E\ꢀ123ꢗVꢀXQWLOꢀWKHꢀDXWRꢀUHIUHVKꢀRSHUDWLRQꢀLVꢀFRPSOHWHGꢃꢀ$OOꢀEDQNVꢀZLOOꢀEHꢀLQꢀWKHꢀLGOHꢀVWDWHꢀDW
WKHꢀHQGꢀRIꢀDXWRꢀUHIUHVKꢀRSHUDWLRQꢃꢀ7KHꢀDXWRꢀUHIUHVKꢀLVꢀWKHꢀSUHIHUUHGꢀUHIUHVKꢀPRGHꢀZKHQꢀWKH
6'5$0ꢀLVꢀEHLQJꢀXVHGꢀIRUꢀQRUPDOꢀGDWDꢀWUDQVDFWLRQVꢃꢀ7KHꢀꢎꢍ0EꢀDQGꢀꢇꢏꢋ0Eꢀ6'5$0¶VꢀDXWRꢀUHꢅ
IUHVKꢀF\FOHꢀFDQꢀEHꢀSHUIRUPHGꢀRQFHꢀLQꢀꢇꢊꢃꢎVꢀRUꢀDꢀEXUVWꢀRIꢀꢍꢌꢉꢎꢀDXWRꢀUHIUHVKꢀF\FOHVꢀRQFHꢀLQ
ꢎꢍPVꢃꢀ7KHꢀꢏꢊꢎ0EꢀDQGꢀꢊꢇꢏ0Eꢀ6'5$0¶VꢀDXWRꢀUHIUHVKꢀF\FOHꢀFDQꢀEHꢀSHUIRUPHGꢀRQFHꢀLQꢀꢈꢃꢋVꢀRU
DꢀEXUVWꢀRIꢀꢋꢇꢉꢏꢀDXWRꢀUHIUHVKꢀF\FOHVꢀRQFHꢀLQꢀꢎꢍPVꢃ
86.16 Self Refresh
7KHꢀVHOIꢀUHIUHVKꢀLVꢀDQRWKHUꢀUHIUHVKꢀPRGHꢀDYDLODEOHꢀLQꢀWKHꢀ6'5$0ꢃꢀ7KHꢀVHOIꢀUHIUHVKꢀLVꢀWKHꢀSUHꢅ
IHUUHGꢀUHIUHVKꢀPRGHꢀIRUꢀGDWDꢀUHWHQWLRQꢀDQGꢀORZꢀSRZHUꢀRSHUDWLRQꢀRIꢀ6'5$0ꢃꢀ,QꢀVHOIꢀUHIUHVK
PRGHꢄꢀWKHꢀ6'5$0ꢀGLVDEOHVꢀWKHꢀLQWHUQDOꢀFORFNꢀDQGꢀDOOꢀWKHꢀLQSXWꢀEXIIHUVꢀH[FHSWꢀ&.(ꢃꢀ7KHꢀUHIUHVK
DGGUHVVLQJꢀDQGꢀWLPLQJꢀDUHꢀLQWHUQDOO\ꢀJHQHUDWHGꢀWRꢀUHGXFHꢀSRZHUꢀFRQVXPSWLRQꢃ
7KHꢀVHOIꢀUHIUHVKꢀPRGHꢀLVꢀHQWHUHGꢀIURPꢀDOOꢀEDQNVꢀLGOHꢀVWDWHꢀE\ꢀDVVHUWLQJꢀORZꢀRQꢀ&6ꢔꢄꢀ5$6ꢔꢄ
&$6ꢔꢀDQGꢀ&.(ꢀZLWKꢀKLJKꢀRQꢀ:(ꢔꢃꢀ2QFHꢀWKHꢀVHOIꢀUHIUHVKꢀPRGHꢀLVꢀHQWHUHGꢄꢀRQO\ꢀ&.(ꢀVWDWHꢀEHLQJ
ORZꢀPDWWHUVꢄꢀDOOꢀWKHꢀRWKHUꢀLQSXWVꢀLQFOXGLQJꢀWKHꢀFORFNꢀDUHꢀLJQRUHGꢀLQꢀRUGHUꢀWRꢀUHPDLQꢀLQꢀWKHꢀVHOI
UHIUHVKꢀPRGHꢃ
7KHꢀVHOIꢀUHIUHVKꢀLVꢀH[LWHGꢀE\ꢀUHVWDUWLQJꢀWKHꢀH[WHUQDOꢀFORFNꢀDQGꢀWKHQꢀDVVHUWLQJꢀKLJKꢀRQꢀ&.(ꢃꢀ7KLV
PXVWꢀEHꢀIROORZHGꢀE\ꢀ123ꢗVꢀIRUꢀDꢀPLQLPXPꢀWLPHꢀRIꢀW65);ꢀEHIRUHꢀWKHꢀ6'5$0ꢀUHDFKHVꢀLGOHꢀVWDWH
WRꢀEHJLQꢀQRUPDOꢀRSHUDWLRQꢃꢀ,QꢀFDVHꢀWKDWꢀWKHꢀV\VWHPꢀXVHVꢀEXUVWꢀDXWRꢀUHIUHVKꢀGXULQJꢀQRUPDOꢀRSꢅ
HUDWLRQꢄꢀLWꢀLVꢀUHFRPPHQGHGꢀWRꢀXVHꢀEXUVWꢀꢋꢇꢉꢏꢀDXWRꢀUHIUHVKꢀF\FOHVꢀIRUꢀꢏꢊꢎ0EꢀDQGꢀꢊꢇꢏ0EꢄꢀDQG
EXUVWꢀꢍꢌꢉꢎꢀDXWRꢀUHIUHVKꢀF\FOHVꢀIRUꢀꢇꢏꢋ0EꢀDQGꢀꢎꢍ0EꢀLPPHGLDWHO\ꢀEHIRUHꢀHQWHULQJꢀVHOIꢀUHIUHVK
PRGHꢀDQGꢀDIWHUꢀH[LWLQJꢀLQꢀVHOIꢀUHIUHVKꢀPRGHꢃꢀ2QꢀWKHꢀRWKHUꢀKDQGꢄꢀLIꢀWKHꢀV\VWHPꢀXVHVꢀWKHꢀGLVꢅ
WULEXWHGꢀDXWRꢀUHIUHVKꢄꢀWKHꢀV\VWHPꢀRQO\ꢀKDVꢀWRꢀNHHSꢀWKHꢀUHIUHVKꢀGXW\ꢀF\FOHꢃ
218
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
87 Basic Feature and Function Descriptions
87.1 Clock Suspend
CLK
CMD
CKE
WR
Masked by CKE
Internal
CLK
D0
D0
D1
D1
D2
D2
D3
D3
DQ(CL2)
DQ(CL3)
Not Written
Figure 87.1 Clock Suspend During Write
CLK
CMD
CKE
RD
Masked byCKE
Internal
CLK
D
DQ(CL2)
DQ(CL3)
Q0
Q1
Q2
Q1
Q3
Q0
Q2 Q3
Suspended Dout
Figure 87.2 Clock Suspend During Read (BL = 4)
87.2 DQM Operation
CLK
CMD
DQM
WR
Masked by CKE
D3
DQ(CL2)
DQ(CL3)
D0
D0
D1
D1
D3
DQM to Data-in Mask = 0
Figure 87.1 Write Mask (BL = 4)
CLK
CMD
DQM
RD
Masked by CKE
Hi-Z
DQ(CL2)
DQ(CL3)
Q0
Q2
Q1
Q3
Hi-Z
Q2 Q3
DQM to Data-out Mask= 2
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
219
P r e l i m i n a r y
Figure 87.2 Read Mask (BL = 4)
CLK
CMD
RD
CKE
DQM
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Q0
Q2
Q1
Q4
Q3
Q6
Q5
Q7
Q6
Q8
Q7
DQ(CL2)
DQ(CL3)
Ir)
ꢀꢁ &.(ꢂWRꢂ&/.ꢂGLVDEOHꢍHQDEOHꢂ ꢂꢀ&/.ꢁ
ꢆꢁ '40ꢂPDNHVꢂGDWDꢂRXWꢂ+Lꢃ=ꢂDIWHUꢂꢆ&/.VꢂZKLFKꢂVKRXOGꢂPDVNHGꢂE\ꢂ&.(ꢂ/ꢁ
ꢊꢁ '40ꢂPDVNVꢂERWKꢂGDWDꢃLQꢂDQGꢂGDWDꢃRXWꢁ
Figure 87.3 DQM with CLock Suspended (Full Page Read)
87.3 CAS# Interrupt 1
CLK
RD RD
CMD
ADD
A
B
DQ(CL2)
DQ(CL3)
QA0
QB
0
QB
1
QB
1
QB
3
QA0
QB0
QB1
QB1 QB3
Note 2
tCCD
Ir)
ꢀꢁ %\ꢂ,QWHUUXSWꢄꢂ,WꢂLVꢂPHDQWꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂH[WHUQDOꢂFRPPDQGꢂEHIRUHꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂ%\ꢂ
&$6ꢔꢀ,QWHUUXSWꢄꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂ&$6ꢅꢂDFFHVVꢇꢂUHDGꢂDQGꢂZULWHꢁ
ꢆꢁ W
ꢔꢂ&$6ꢅꢂWRꢂ&$6ꢅꢂGHOD\ꢂꢏ ꢂꢀ&/.ꢐꢁ
&&'
ꢊꢁ W
ꢔꢂ/DVWꢂGDWDꢂLQꢂWRꢂQHZꢂFROXPQꢂDGGUHVVꢂGHOD\ꢂꢏ ꢂꢀ&/.ꢐꢁ
&'/
Figure 87.4 Read Interrupted by Read (BL = 4)
CLK
WR WR
CMD
Note 2
tCCD
A
B
ADD
DQ
DA
0 DB0 DB1
Note 3
tCDL
Ir)
ꢀꢁ %\ꢂ,QWHUUXSWꢄꢂ,WꢂLVꢂPHDQWꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂH[WHUQDOꢂFRPPDQGꢂEHIRUHꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂ%\ꢂ
&$6ꢔꢀ,QWHUUXSWꢄꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂ&$6ꢅꢂDFFHVVꢇꢂUHDGꢂDQGꢂZULWHꢁ
ꢆꢁ W
ꢔꢂ&$6ꢅꢂWRꢂ&$6ꢅꢂGHOD\ꢂꢏ ꢂꢀ&/.ꢐꢁ
&&'
ꢊꢁ W
ꢔꢂ/DVWꢂGDWDꢂLQꢂWRꢂQHZꢂFROXPQꢂDGGUHVVꢂGHOD\ꢂꢏ ꢂꢀ&/.ꢐꢁ
&'/
Figure 87.5 Write Interrupted by Write (BL = 2)
220
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
CLK
WR RD
CMD
ADD
Note 2
tCCD
A
B
DQ(CL2)
DQ(CL3)
DA0
DA0
QB0 QB1
QB0 QB1
Note 3
tCDL
Ir)
ꢀꢁ %\ꢂ,QWHUUXSWꢄꢂ,WꢂLVꢂPHDQWꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂH[WHUQDOꢂFRPPDQGꢂEHIRUHꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂ%\ꢂ
&$6ꢔꢀ,QWHUUXSWꢄꢂWRꢂVWRSꢂEXUVWꢂUHDGꢍZULWHꢂE\ꢂ&$6ꢅꢂDFFHVVꢇꢂUHDGꢂDQGꢂZULWHꢁ
ꢆꢁ W
ꢔꢂ&$6ꢅꢂWRꢂ&$6ꢅꢂGHOD\ꢂꢏ ꢂꢀ&/.ꢐꢁ
&&'
ꢊꢁ W
ꢔꢂ/DVWꢂGDWDꢂLQꢂWRꢂQHZꢂFROXPQꢂDGGUHVVꢂGHOD\ꢂꢏ ꢂꢀ&/.ꢐꢁ
&'/
Figure 87.6 Write Interrupted by Read (BL = 2)
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
221
P r e l i m i n a r y
87.4 CAS# Interrupt 2
(a) CL=2, BL=4
CLK
1)CMD
RD WR
DQM
DQ
D0
D1
D2
D3
D2
2) CMD
RD
RD
RD
WR
DQM
DQ
Hi-Z
D0
D1
D3
WR
3)CMD
DQM
DQ
Hi-Z
D0
D1
D2
D1
D3
D2
4) CMD
WR
DQM
DQ
Hi-Z
Note 1
Q0
D0
D3
(b) CL=3, BL=4
CLK
RD WR
1)CMD
DQM
DQ
D0
D1
D2
D3
D2
) CMD
2
RD
WR
DQM
DQ
D0
D1
D3
D2
3)CMD
RD
RD
WR
DQM
DQ
D0
D1
D3
D2
D1
) CMD
4
WR
DQM
DQ
Hi-Z
D0
D1
D3
D2
5)CMD
RD
WR
DQM
DQ
Hi-Z
Note 1
Q0
D0
D3
Ir)
ꢀꢁ 7RꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢄꢂWKHUHꢂVKRXOGꢂEHꢂDWꢂOHDVWꢂRQHꢂJDSꢂEHWZHHQꢂGDWDꢂLQꢂDQGꢂGDWDꢂRXWꢁ
Figure 87.7 Read Interrupted by Write and DQM
222
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
tRDL = 2CLK
CLK
Note 3
Note 2
CMD
DQM
WR
PRE
D0
D1
D2
DQ
Masked byDQM
Ir)
ꢀꢁ 7RꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢄꢂ'40ꢂVKRXOGꢂEHꢂLVVXHGꢂZKLFKꢂPDNHVꢂDWꢂOHDVWꢂRQHꢂJDSꢂEHWZHHQꢂGDWDꢂLQꢂ
DQGꢂGDWDꢂRXWꢁ
ꢆꢁ 7RꢂLQKLELWꢂLQYDOLGꢂZULWHꢄꢂ'40ꢂVKRXOGꢂEHꢂLVVXHGꢁ
ꢊꢁ 7KLVꢂSUHFKDUJHꢂFRPPDQGꢂDQGꢂEXUVWꢂZULWHꢂFRPPDQGꢂVKRXOGꢂEHꢂRIꢂWKHꢂVDPHꢂEDQNꢄꢂRWKHUZLVHꢂLWꢂLVꢂQRWꢂ
SUHFKDUJHꢂLQWHUUXSWꢂEXWꢂRQO\ꢂDQRWKHUꢂEDQNꢂSUHFKDUJHꢂRIꢂIRXUꢂEDQNVꢂRSHUDWLRQꢁꢂ
Figure 87.8 Write Interrupted by Precharge and DQM
1) Normal Write
BL=4 & tRDL=2CLK
CLK
CMD
DQ
WR
D0
PRE
D1
D2
D3
Note 1
tRDL
2) Normal Read (BL=4)
CLK
Note 2
RD
PRE
CMD
1
Q0
Q1 Q2 Q3
Q0 Q1 Q2 Q3
DQ(CL2)
2
DQ(CL3)
Ir)
ꢀꢁ W
ꢂꢆꢂ&/.ꢂLVꢂVXSSRUWHGꢁ
5'/ꢂ
ꢆꢁ 1XPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂDIWHUꢂURZꢂSUHFKDUJHꢔꢂꢀꢄꢂꢆꢂIRUꢂ&$6ꢂ/DWHQF\ꢂ ꢂꢆꢄꢂꢊꢂUHVSHFWLYHO\ꢁ
ꢊꢁ 7KHꢂURZꢂDFWLYHꢂFRPPDQGꢂRIꢂWKHꢂSUHFKDUJHꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂW ꢂIURPꢂWKLVꢂSRLQWꢁꢂ7KHꢂQHZꢂ
53
UHDGꢍZULWHꢂFRPPDQGꢂRIꢂRWKHUꢂDFWLYDWHGꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂIURPꢂWKLVꢂSRLQWꢁꢂ$WꢂEXUVWꢂUHDGꢍZULWHꢂZLWKꢂ
DXWRꢂSUHFKDUJHꢄꢂ&$6ꢂLQWHUUXSWꢂRIꢂWKHꢂVDPHꢂEDQNꢂLVꢂLOOHJDOꢁ
ꢎꢁ W
ꢂGHILQHGꢂ/DVWꢂGDWDꢂLQꢂWRꢂ$FWLYHꢂGHOD\ꢁꢂW
ꢂW
ꢓꢂW ꢂLVꢂVXSSRUWHGꢁ
'$/
'$/ꢂ
5'/ꢂ 53
Figure 87.9 Precharge
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
223
P r e l i m i n a r y
1) Normal Write (BL=4)
CLK
2) Nomr al Read (BL=4)
CLK
CMD
DQ
WR
D0
ACT
CMD
RD
DQ(CL2)
DQ(CL3)
Q0
Q1 Q2
Q0 Q1 Q2
Auto Precharge StartsNote 3
Q3
D1
D2
D3
tRDL=2CLK
tDAL=tRDL +tRP Note 4
Q3
Auto Precharge Starts@tRDL=2CLK *3
Ir)
ꢀꢁ W
ꢂꢆꢂ&/.ꢂLVꢂVXSSRUWHGꢁ
5'/ꢂ
ꢆꢁ 1XPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂDIWHUꢂURZꢂSUHFKDUJHꢔꢂꢀꢄꢂꢆꢂIRUꢂ&$6ꢂ/DWHQF\ꢂ ꢂꢆꢄꢂꢊꢂUHVSHFWLYHO\ꢁ
ꢊꢁ 7KHꢂURZꢂDFWLYHꢂFRPPDQGꢂRIꢂWKHꢂSUHFKDUJHꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂDIWHUꢂW ꢂIURPꢂWKLVꢂSRLQWꢁꢂ7KHꢂQHZꢂ
53
UHDGꢍZULWHꢂFRPPDQGꢂRIꢂRWKHUꢂDFWLYDWHGꢂEDQNꢂFDQꢂEHꢂLVVXHGꢂIURPꢂWKLVꢂSRLQWꢁꢂ$WꢂEXUVWꢂUHDGꢍZULWHꢂZLWKꢂ
DXWRꢂSUHFKDUJHꢄꢂ&$6ꢂLQWHUUXSWꢂRIꢂWKHꢂVDPHꢂEDQNꢂLVꢂLOOHJDOꢁ
ꢎꢁ W
ꢂGHILQHGꢂ/DVWꢂGDWDꢂLQꢂWRꢂ$FWLYHꢂGHOD\ꢁꢂW
ꢂW
ꢓꢂW ꢂLVꢂVXSSRUWHGꢁ
'$/
'$/ꢂ
5'/ꢂ 53
Figure 87.10 Auto Precharge
224
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
1) Nomr al Write
BL=4 & tRDL=2CLK
CLK
WR
D0
PRE
CMD
DQM
D1
D2
DQ
Note 1
tRDL
2) WriteBurst Stop (BL=8)
CLK
3)Read Interrupted by Precharge (BL=4)
CLK
WR
STOP
RD
PRE
Q0
CMD
CMD
1
DQ(CL2)
Q1
Q0
DQM
DQ
2
D0
D1
D2
D3
Q1
DQ(CL3)
Note 2
tBDL
4) ReadBurst Stop (BL=4)
CLK
RD
STOP
Q0
CMD
1
Q1
Q0
DQ(CL2)
2
Q1
DQ(CL3)
Ir)
ꢀꢁ W
ꢂꢆꢂ&/.ꢂLVꢂVXSSRUWHGꢁ
5'/ꢂ
ꢆꢁ W
ꢔꢂꢀꢂ&/.ꢇꢂ/DVWꢂGDWDꢂLQꢂWRꢂEXUVWꢂVWRSꢂGHOD\ꢁꢂ5HDGꢂRUꢂZULWHꢂEXUVWꢂVWRSꢂFRPPDQGꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂ
%'/
EXUVWꢂOHQJWKꢁ
ꢊꢁ 1XPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂDIWHUꢂURZꢂSUHFKDUJHꢂRUꢂEXUVWꢂVWRSꢔꢂꢀꢄꢂꢆꢂIRUꢂ&$6ꢂODWHQF\ ꢂꢆꢄꢂꢊꢂUHVSHFꢃ
WLYHO\ꢁꢂ
ꢎꢁ 35(ꢔꢂ$OOꢂEDQNVꢂSUHFKDUJHꢂLVꢂQHFHVVDU\ꢁꢂ056ꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂSUHFKDUJHꢂVWDWHꢁ
Figure 87.11 Burst Stop and Interrupted by Precharge
1) Mode Register Set
CLK
Note 4
CMD
PRE
MRS
ACT
tRP
2CLK
Ir)
ꢀꢁ W
ꢂꢆꢂ&/.ꢂLVꢂVXSSRUWHGꢁ
5'/ꢂ
ꢆꢁ W
ꢔꢂꢀꢂ&/.ꢇꢂ/DVWꢂGDWDꢂLQꢂWRꢂEXUVWꢂVWRSꢂGHOD\ꢁꢂ5HDGꢂRUꢂZULWHꢂEXUVWꢂVWRSꢂFRPPDQGꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂ
%'/
EXUVWꢂOHQJWKꢁ
ꢊꢁ 1XPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂDIWHUꢂURZꢂSUHFKDUJHꢂRUꢂEXUVWꢂVWRSꢔꢂꢀꢄꢂꢆꢂIRUꢂ&$6ꢂODWHQF\ ꢂꢆꢄꢂꢊꢂUHVSHFꢃ
WLYHO\ꢁꢂ
ꢎꢁ 35(ꢔꢂ$OOꢂEDQNVꢂSUHFKDUJHꢂLVꢂQHFHVVDU\ꢁꢂ056ꢂFDQꢂEHꢂLVVXHGꢂRQO\ꢂDWꢂDOOꢂEDQNVꢂSUHFKDUJHꢂVWDWHꢁ
Figure 87.12 Mode Register Set
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
225
P r e l i m i n a r y
1) Clock Suspend (= Active Power Down) Exit
2) Power Down (= Precharge Power Down) Exit
CLK
CLK
CKE
CKE
tSS
tSS
Note 2
Note 1
Internal
CLK
Internal
CLK
RD
NOP ACT
CMD
CMD
Figure 87.13 Clock Suspend Exit and Power Down Exit
87.5 Auto Refresh
$QꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀLVꢀLVVXHGꢀE\ꢀKDYLQJꢀ&6ꢔꢄꢀ5$6ꢔꢀDQGꢀ&$6ꢔꢀKHOGꢀORZꢀZLWKꢀ&.(ꢀDQG
:(ꢔꢀKLJKꢀDWꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢀꢁ&/.ꢂꢃꢀ$OOꢀEDQNVꢀPXVWꢀEHꢀSUHFKDUJHGꢀDQGꢀLGOHꢀIRU
W53ꢁPLQꢂꢀEHIRUHꢀWKHꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀLVꢀDSSOLHGꢃꢀ1RꢀFRQWUROꢀRIꢀWKHꢀH[WHUQDOꢀDGGUHVVꢀSLQV
LVꢀUHTXLUHGꢀRQFHꢀWKLVꢀF\FOHꢀKDVꢀVWDUWHGꢀEHFDXVHꢀRIꢀWKHꢀLQWHUQDOꢀDGGUHVVꢀFRXQWHUꢃꢀ:KHQꢀWKHꢀUHꢅ
IUHVKꢀF\FOHꢀKDVꢀFRPSOHWHGꢄꢀDOOꢀEDQNVꢀZLOOꢀEHꢀLQꢀWKHꢀLGOHꢀVWDWHꢃꢀ$ꢀGHOD\ꢀEHWZHHQꢀWKHꢀDXWRꢀUHIUHVK
FRPPDQGꢀDQGꢀWKHꢀQH[WꢀDFWLYDWHꢀFRPPDQGꢀRUꢀVXEVHTXHQWꢀDXWRꢀUHIUHVKꢀFRPPDQGꢀPXVWꢀEH
JUHDWHUꢀWKDQꢀRUꢀHTXDOꢀWRꢀWKHꢀW$5)&ꢁPLQꢂ
ꢃ
CLK
Auto
Refresh
PRE
CMD
Command
CKE = High
tRP
tARFC(min)
Figure 87.14 Auto Refresh
87.6 Self Refresh
$ꢀ6HOIꢀ5HIUHVKꢀFRPPDQGꢀLVꢀGHILQHGꢀE\ꢀKDYLQJꢀ&6ꢔꢄꢀ5$6ꢔꢄꢀ&$6ꢔꢀDQGꢀ&.(ꢀKHOGꢀORZꢀZLWKꢀ:(ꢔ
KLJKꢀDWꢀWKHꢀULVLQJꢀHGJHꢀRIꢀWKHꢀFORFNꢃꢀ2QFHꢀWKHꢀVHOIꢀ5HIUHVKꢀFRPPDQGꢀLVꢀLQLWLDWHGꢄꢀ&.(ꢀPXVWꢀEH
KHOGꢀORZꢀWRꢀNHHSꢀWKHꢀGHYLFHꢀLQꢀ6HOIꢀ5HIUHVKꢀPRGHꢃꢀ$IWHUꢀꢇꢀFORFNꢀF\FOHꢀIURPꢀWKHꢀVHOIꢀUHIUHVK
FRPPDQGꢄꢀDOOꢀRIꢀWKHꢀH[WHUQDOꢀFRQWUROꢀVLJQDOVꢀLQFOXGLQJꢀV\VWHPꢀFORFNꢀꢁ&/.ꢂꢀFDQꢀEHꢀGLVDEOHGꢀH[ꢅ
FHSWꢀ&.(ꢃꢀ7KHꢀFORFNꢀLVꢀLQWHUQDOO\ꢀGLVDEOHGꢀGXULQJꢀ6HOIꢀ5HIUHVKꢀRSHUDWLRQꢀWRꢀUHGXFHꢀSRZHUꢃꢀ7R
H[LWꢀWKHꢀ6HOIꢀ5HIUHVKꢀPRGHꢄꢀVXSSO\ꢀVWDEOHꢀFORFNꢀLQSXWꢀEHIRUHꢀUHWXUQLQJꢀ&.(ꢀKLJKꢄꢀDVVHUWꢀGHVHꢅ
OHFWꢀRUꢀ123ꢀFRPPDQGꢀDQGꢀWKHQꢀDVVHUWꢀ&.(ꢀKLJKꢃꢀ,QꢀFDVHꢀWKDWꢀWKHꢀV\VWHPꢀXVHVꢀEXUVWꢀDXWR
UHIUHVKꢀGXULQJꢀQRUPDOꢀRSHUDWLRQꢄꢀLWꢀLVꢀUHFRPPHQGHGꢀWRꢀXVHꢀEXUVWꢀDXWRꢀUHIUHVKꢀF\FOHꢀLPPHGLꢅ
DWHO\ꢀEHIRUHꢀHQWHULQJꢀVHOIꢀUHIUHVKꢀPRGHꢀDQGꢀDIWHUꢀH[LWLQJꢀLQꢀVHOIꢀUHIUHVKꢀPRGHꢃꢀ2QꢀWKHꢀRWKHU
KDQGꢄꢀLIꢀWKHꢀV\VWHPꢀXVHVꢀWKHꢀGLVWULEXWHGꢀDXWRꢀUHIUHVKꢄꢀWKHꢀV\VWHPꢀRQO\ꢀKDVꢀWRꢀNHHSꢀWKHꢀUHIUHVK
GXW\ꢀF\FOHꢃ
CLK
Stable Clock
Self
Refresh
ACT
NOP
Command
CKE
tSRFX(min)
tSS
tSS
Figure 87.15 Self Refresh
226
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
88 Burst Type Control
$Wꢀ056ꢀ$ꢑꢀ ꢀꢈꢃꢀ6HHꢀWKHꢀ%XUVWꢀ6HTXHQFHꢀ7DEOHꢀꢁ%/ ꢍꢄꢀꢋꢂ
6HTXHQWLDOꢀ&RXQWLQJ
%/ ꢇꢄꢀꢏꢄꢀꢍꢄꢀꢋꢀDQGꢀIXOOꢀSDJHꢃ
%DVLF
0RGH
$Wꢀ056ꢀ$ꢑꢀ ꢀꢀꢃꢀ6HHꢀWKHꢀ%XUVWꢀ6HTXHQFHꢀ7DEOHꢀꢁ%/ ꢍꢄꢀꢋꢂ
%/ ꢍꢄꢀꢋꢃꢀ$Wꢀ%/ ꢇꢄꢀꢏꢀ,QWHUOHDYHꢀ&RXQWLQJꢀ ꢀ6HTXHQWLDOꢀ&RXQWLQJꢃ
,QWHUOHDYHꢀ&RXQWLQJ
(YHU\ꢀF\FOHꢀ5HDGꢒ:ULWHꢀ&RPPDQGꢀZLWKꢀUDQGRPꢀFROXPQꢀDGGUHVVꢀFDQꢀUHDOL]Hꢀ
5DQGRP
0RGH
5DQGRPꢀFROXPQꢀ$FFHVV
ꢀW&&'ꢀ ꢀꢇꢀ&/.
5DQGRPꢀ
&ROXPQꢀ$FFHVVꢃ
7KDWꢀLVꢀVLPLODUꢀWRꢀ([WHQGHGꢀ'DWDꢀ2XWꢀꢁ('2ꢂꢀ2SHUDWLRQꢀRIꢀFRQYHQWLRQDOꢀ'5$0ꢃ
89 Burst Length Control
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀꢈꢈꢈꢃꢀ
ꢇ
ꢏ
$WꢀDXWRꢀSUHFKDUJHꢄꢀW5$6ꢀVKRXOGꢀQRWꢀEHꢀYLRODWHGꢃ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀꢈꢈꢀꢃꢀ
$WꢀDXWRꢀSUHFKDUJHꢄꢀW5$6ꢀVKRXOGꢀQRWꢀEHꢀYLRODWHGꢃ
%DVLF
0RGH
ꢍ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀꢈꢀꢈꢃ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀꢈꢀꢀꢃ
ꢋ
$Wꢀ056ꢀ$ꢏꢄꢇꢄꢌꢀ ꢀꢀꢀꢀꢃꢀ
:UDSꢀDURXQGꢀPRGHꢀꢁLQILQLWHꢀEXUVWꢀOHQJWKꢂꢀVKRXOGꢀEHꢀVWRSSHGꢀE\ꢀEXUVWꢀVWRSꢃ
5$6ꢔꢀLQWHUUXSWꢀRUꢀ&$6ꢔꢀLQWHUUXSWꢃ
)XOOꢀ3DJH
$Wꢀ056ꢀ$ꢉꢀ ꢀꢀꢃꢀ
5HDGꢀEXUVWꢀ ꢇꢄꢀꢏꢄꢀꢍꢄꢀꢋꢄꢀIXOOꢀSDJHꢀZULWHꢀ%XUVWꢀ ꢇꢃ
$WꢀDXWRꢀSUHFKDUJHꢀRIꢀZULWHꢄꢀW5$6ꢀVKRXOGꢀQRWꢀEHꢀYLRODWHGꢃ
6SHFLDO
%56:
0RGH
5DQGRP
%XUVWꢀ6WRS
0RGH
W%'/ ꢀꢇꢄꢀ9DOLGꢀ'4ꢀDIWHUꢀEXUVWꢀVWRSꢀLVꢀꢇꢄꢀꢏꢀIRUꢀ&$6ꢀODWHQF\ꢀꢏꢄꢀꢑꢀUHVSHFWLYHO\
8VLQJꢀEXUVWꢀVWRSꢀFRPPDQGꢄꢀDQ\ꢀEXUVWꢀOHQJWKꢀFRQWUROꢀLVꢀSRVVLEOHꢃ
%HIRUHꢀWKHꢀHQGꢀRIꢀEXUVWꢄꢀ5RZꢀSUHFKDUJHꢀFRPPDQGꢀRIꢀWKHꢀVDPHꢀEDQNꢀVWRSVꢀUHDGꢒ
ZULWHꢀEXUVWꢀZLWKꢀ5RZꢀSUHFKDUJHꢃ
5$6ꢔꢀ,QWHUUXSWꢀ
ꢁ,QWHUUXSWHGꢀE\ꢀ
3UHFKDUJHꢂ
W5'/ ꢀꢏꢀZLWKꢀ'40ꢄꢀYDOLGꢀ'4ꢀDIWHUꢀEXUVWꢀVWRSꢀLVꢀꢇꢄꢀꢏꢀIRUꢀ&$6ꢀODWHQF\ꢀꢏꢄꢀꢑꢀ
UHVSHFWLYHO\ꢃ
,QWHUUXSW
0RGH
'XULQJꢀUHDGꢒZULWHꢀEXUVWꢀZLWKꢀDXWRꢀSUHFKDUJHꢄꢀ5$6ꢔꢀLQWHUUXSWꢀFDQꢀQRWꢀEHꢀLVVXHGꢃ
%HIRUHꢀWKHꢀHQGꢀRIꢀEXUVWꢄꢀQHZꢀUHDGꢒZULWHꢀVWRSVꢀUHDGꢒZULWHꢀEXUVWꢀDQGꢀVWDUWVꢀQHZꢀ
UHDGꢒZULWHꢀEXUVWꢃ
'XULQJꢀUHDGꢒZULWHꢀEXUVWꢀZLWKꢀDXWRꢀSUHFKDUJHꢄꢀ&$6ꢔꢀLQWHUUXSWꢀFDQꢀQRWꢀEHꢀLVVXHGꢃ
&$6ꢔꢀ,QWHUUXSW
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
227
/
$ꢇꢌꢒ$37HUPꢀEXUVUWH
P r e l i m i n a r y
90 Function Truth Table 1
Current
State
CS#
RAS# CAS# WE#
BA
Address
Action
Note
+
/
/
/
/
/
/
/
+
/
/
/
/
/
/
/
+
/
/
/
/
/
/
/
+
/
/
/
/
/
/
/
+
/
/
/
/
/
+
/
/
/
/
/
+
/
/
/
/
/
;
+
+
+
/
;
+
+
/
;
+
/
;
;
;
;
;
123
123
;
,//(*$/
ꢏ
ꢏ
;
+
/
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3,//(*$/
,'/(
+
+
/
5$
5RZꢀꢁꢓꢀ%DQNꢂꢀ$FWLYHꢕꢀ/DWFKꢀ5$
/
$ꢇꢌꢒ$3123
ꢍ
ꢊ
ꢊ
/
+
/
;
$XWRꢀ5HIUHVKꢀRUꢀ6HOIꢀ5HIUHVK
/
/
23ꢀFRGH
;
23ꢀFRGH
0RGHꢀ5HJLVWHUꢀ$FFHVV
;
+
+
+
+
/
;
+
+
/
;
+
/
;
;
;
123
;
123
;
,//(*$/
ꢏ
ꢏ
+
/
%$
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3%HJLQꢀ5HDGꢕꢀODWFKꢀ&$ꢕꢀGHWHUPLQHꢀ$3
&$ꢄꢀ$ꢇꢌꢒ$3%HJLQꢀ5HDGꢕꢀODWFKꢀ&$ꢕꢀGHWHUPLQHꢀ$3
5RZ
$FWLYH
/
+
+
/
+
/
5$
,//(*$/
/
$ꢇꢌꢒU$H3F3KDUJH
/
;
;
+
/
;
;
;
;
,//(*$/
;
+
+
+
+
/
;
+
+
/
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢂ
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢂ
7HUPꢀEXUVWꢀꢅꢅ!ꢀ5RZꢀDFWLYHꢀ
;
;
+
/
%$
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ5HDGꢄꢀ'HWHUPLQHꢀ$3
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ:ULWHꢄꢀ'HWHUPLQHꢀ$3
5HDG
/
ꢑ
ꢏ
+
+
/
+
/
5$
,//(*$/
F3KDUJHꢀWLPLQJꢀIRUꢀ5HDGV
,//(*$/
/
;
;
+
/
;
;
;
;
;
+
+
+
+
/
;
+
+
/
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢂ
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢂ
7HUPꢀEXUVWꢀꢅꢅ!ꢀ5RZꢀDFWLYH
;
;
+
/
%$
%$
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀUHDGꢄꢀ'HWHUPLQHꢀ$3
&$ꢄꢀ$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀ1HZꢀ:ULWHꢄꢀ'HWHUPLQHꢀ$3
ꢑ
ꢑ
ꢏ
ꢑ
:ULWH
/
+
+
/
+
/
5$
,//(*$/
/
$ꢇꢌꢒ$37HUPꢀEXUVWꢄꢀSUHFKDUJHꢀWLPLQJꢀIRUꢀ:ULWHV
/
;
;
+
/
;
;
;
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
,//(*$/
;
5HDGꢀZLWK
$XWR
3UHFKDUJH
;
;
;
;
;
+
/
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3,//(*$/
5$ꢄꢀ5$ꢇꢌ ,//(*$/
+
/
ꢏ
ꢏ
/
;
;
;
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
123ꢀꢁ&RQWLQXHꢀ%XUVWꢀWRꢀ(QGꢀꢅꢅ!ꢀ3UHFKDUJHꢂ
,//(*$/
;
:ULWHꢀZLWK
$XWR
3UHFKDUJH
;
;
;
;
;
+
/
%$
%$
;
&$ꢄꢀ$ꢇꢌꢒ$3,//(*$/
5$ꢄꢀ5$ꢇꢌ ,//(*$/
+
/
/
;
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW53
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW53
,//(*$/
;
;
;
;
ꢏ
ꢏ
ꢏ
ꢍ
3UHFKDUJLQJ
;
+
/
%$
%$
%$
&$
5$
,//(*$/
+
+
,//(*$/
/
$ꢇꢌꢒ$3 ꢀꢅꢅ!3 ꢀ,GOHꢀDIWHUꢀW
53
228
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
/
+
/
/
/
/
/
/
+
/
/
/
/
+
/
/
/
/
/
;
+
+
+
/
/
;
+
+
/
;
;
+
/
;
;
;
;
,//(*$/
123ꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢀDIWHUꢀW5&'
123ꢀꢅꢅ!ꢀ5RZꢀ$FWLYHꢀDIWHUꢀW5&'
,//(*$/
;
;
;
;
ꢏ
ꢏ
ꢏ
ꢏ
5RZꢀ
$FWLYDWLQJ
;
+
/
%$
%$
%$
;
&$
5$
,//(*$/
+
+
/
,//(*$/
/
$ꢇꢌꢒ$3,//(*$/
/
;
;
;
;
;
;
;
+
/
;
;
;
;
;
;
;
;
;
;
;
,//(*$/
;
+
+
/
;
+
/
;
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW5&
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀW5&
,//(*$/
;
5HIUHVKLQJ
;
+
/
;
,//(*$/
/
;
,//(*$/
;
+
+
+
/
;
+
+
/
;
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀꢏꢀFORFNV
123ꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀꢏꢀFORFNV
,//(*$/
;
0RGHꢀ
5HJLVWHU
$FFHVVLQJ
;
;
;
;
,//(*$/
;
;
,//(*$/
Grtrq)ꢂ5$ꢂ ꢂ5RZꢂ$GGUHVVꢄꢂ%$ꢂ ꢂ%DQNꢂ$GGUHVVꢄꢂ123ꢂ ꢂ1Rꢂ2SHUDWLRQꢂ&RPPDQGꢄꢂ&$ ꢂ&ROXPQꢂ$Gꢃ
GUHVVꢄꢂ$3ꢂ ꢂ$XWRꢂ3UHFKDUJH
Ir)
ꢀꢁ $OOꢂHQWULHVꢂDVVXPHꢂWKHꢂ&.(ꢂZDVꢂDFWLYHꢂꢏ+LJKꢐꢂGXULQJꢂWKHꢂSUHFKDUJHꢂFORFNꢂDQGꢂWKHꢂFXUUHQWꢂFORFNꢂF\FOHꢁ
ꢆꢁ ,OOHJDOꢂWRꢂEDQNꢂLQꢂVSHFLILHGꢂVWDWHꢇꢂ)XQFWLRQꢂPD\ꢂEHꢂOHJDOꢂLQꢂWKHꢂEDQNꢂLQGLFDWHGꢂE\ꢂ%$ꢄꢂGHSHQGLQJꢂRQꢂ
WKHꢂVWDWHꢂRIꢂWKDWꢂEDQNꢁ
ꢊꢁ 0XVWꢂVDWLVI\ꢂEXVꢂFRQWHQWLRQꢄꢂEXVꢂWXUQꢂDURXQGꢄꢂDQGꢍRUꢂZULWHꢂUHFRYHU\ꢂUHTXLUHPHQWVꢁ
ꢎꢁ 123ꢂWRꢂEDQNꢂSUHFKDUJLQJꢂRUꢂLQꢂLGOHꢂVWDWHꢁꢂ0D\ꢂSUHFKDUJHꢂEDQNꢂLQGLFDWHGꢂE\ꢂ%$ꢂꢏDQGꢂ$ꢀꢈꢍ$3ꢐꢁ
ꢉꢁ ,OOHJDOꢂLIꢂDQ\ꢂEDQNꢂLVꢂQRWꢂLGOHꢁꢂ
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
229
P r e l i m i n a r y
91 Function Truth Table 2
Current
State
CKE
(n-1)
CKE
n
CS#
RAS#
CAS#
WE#
Address
Action
Note
([LWꢀ6HOIꢀ5HIUHVKꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀ
+
/
;
+
;
+
;
;
;
;
;
;
;
;
([LWꢀ6HOIꢀ5HIUHVKꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀWV5);
ꢀ
ꢀ
ꢇ
ꢇ
([LWꢀ6HOIꢀ5HIUHVKꢀꢅꢅ!ꢀ,GOHꢀDIWHUꢀWV5);
/
/
+
+
+
+
/
/
/
+
+
+
/
+
+
/
+
/
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
5$
;
6HOI
5HIUHVK
,//(*$/
/
/
;
;
;
;
;
+
/
,//(*$/
/
/
;
;
;
;
+
+
/
,//(*$/
/
;
;
+
/
;
;
;
+
+
+
/
123ꢀꢁ0DLQWDLQꢀ6HOIꢀ5HIUHVKꢂ
,19$/,'
+
/
;
+
+
+
+
+
/
([LWꢀ3RZHUꢀ'RZQꢀꢅꢅ!ꢀ$%,
([LWꢀ3RZHUꢀ'RZQꢀꢅꢅ!ꢀ$%,
,//(*$/
$OOꢀ
%DQNVꢀ
3UHFKDUJH
3RZHUꢀ
'RZQ
/
ꢏ
ꢏ
/
/
/
/
;
;
;
;
;
+
/
,//(*$/
/
/
;
;
;
;
+
+
/
,//(*$/
/
;
;
+
/
;
;
;
+
+
+
/
123ꢀꢁ0DLQWDLQꢀ/RZꢀ3RZHUꢀ0RGHꢂ
5HIHUꢀWRꢀ)XQFWLRQꢀ7UXWKꢀ7DEOHꢀꢇ
(QWHUꢀ3RZHUꢀ'RZQ
(QWHUꢀ3RZHUꢀ'RZQ
,//(*$/
+
+
+
+
+
+
+
+
/
+
/
/
ꢑ
ꢑ
$OO
%DQNV
,GOH
/
/
/
/
;
+
+
/
,//(*$/
/
/
+
/
5RZꢀꢁꢓꢀ%DQNꢂꢀ$FWLYH
(QWHUꢀ6HOIꢀ5HIUHVK
/
/
/
ꢑ
/
/
/
/
23ꢀ&RGH 0RGHꢀ5HJLVWHUꢀ$FFHVV
/
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
123
+
+
/
+
/
5HIHUꢀWRꢀ)XQFWLRQꢀ7UXWKꢀ7DEOHꢀꢇ
%HJLQꢀ&ORFNꢀ6XVSHQGꢀQH[WꢀF\FOH
([LWꢀ&ORFNꢀ6XVSHQGꢀQH[WꢀF\FOH
0DLQWDLQꢀ&ORFNꢀ6XVSHQG
$Q\ꢀ6WDWHꢀ
RWKHUꢀ
WKDQ/LVWHGD
ERYH
ꢍ
ꢍ
+
/
/
Grtrq)ꢂ$%,ꢂ ꢂ$OOꢂ%DQNVꢂ,GOHꢄꢂ5$ꢂ ꢂ5RZꢂ$GGUHVV
Ir)
ꢀꢁ &.(ꢂORZꢂWRꢂKLJKꢂWUDQVLWLRQꢂLVꢂDV\QFKURQRXVꢁ
ꢆꢁ &.(ꢂORZꢂWRꢂKLJKꢂWUDQVLWLRQꢂLVꢂDV\QFKURQRXVꢂLIꢂUHVWDUWVꢂLQWHUQDOꢂFORFNꢁꢂ$ꢂPLQLPXPꢂVHWXSꢂWLPHꢂꢀ&/.ꢂ
ꢓꢂW ꢂPXVWꢂEHꢂVDWLVILHGꢂEHIRUHꢂDQ\ꢂFRPPDQGꢂRWKHUꢂWKDQꢂH[LWꢁ
66
ꢊꢁ 3RZHUꢂGRZQꢂDQGꢂVHOIꢂUHIUHVKꢂFDQꢂEHꢂHQWHUHGꢂRQO\ꢂIURPꢂWKHꢂDOOꢂEDQNVꢂLGOHꢂVWDWHꢁ
ꢎꢁ 0XVWꢂEHꢂDꢂOHJDOꢂFRPPDQGꢁ
230
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
92 Timing Diagrams
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
CLOCK
CKE
Hi
CS#
RAS#
CAS#
ADDR
BA0
Key
Key
RAa
BA1
A10/AP
DQ
RAa
Hi-Z
Hi-Z
WE#
DQM
High level is necessary
tRP
tARFC
tARFC
Precharge
(AllBank)
Auto
Refresh
Auto
Refresh
Normal
MRS
Extended
MRS
Row Active
(A-Bank)
: Don’t care
Ir)
ꢀꢁ $SSO\ꢂSRZHUꢂDQGꢂDWWHPSWꢂWRꢂPDLQWDLQꢂ&.(ꢂDWꢂDꢂKLJKꢂVWDWHꢂDQGꢂDOOꢂRWKHUꢂLQSXWVꢂPD\ꢂEHꢂXQGHILQHGꢁ
ꢃꢂ$SSO\ꢂ9 ꢂEHIRUHꢂRUꢂDWꢂWKHꢂVDPHꢂWLPHꢂDVꢂ9
ꢁ
''4
''
ꢆꢁ 0DLQWDLQꢂVWDEOHꢂSRZHUꢄꢂVWDEOHꢂFORFNꢂDQGꢂ123ꢂLQSXWꢂFRQGLWLRQꢂIRUꢂDꢂPLQLPXPꢂRIꢂꢆꢈꢈVꢁ
ꢊꢁ ,VVXHꢂSUHFKDUJHꢂFRPPDQGVꢂIRUꢂDOOꢂEDQNVꢂRIꢂWKHꢂGHYLFHVꢁ
ꢎꢁ ,VVXHꢂꢆꢂRUꢂPRUHꢂDXWRꢃUHIUHVKꢂFRPPDQGVꢁ
ꢉꢁ ,VVXHꢂDꢂPRGHꢂUHJLVWHUꢂVHWꢂFRPPDQGꢂWRꢂLQLWLDOL]HꢂWKHꢂPRGHꢂUHJLVWHUꢁ
ꢌꢁ ,VVXHꢂDꢂH[WHQGHGꢂPRGHꢂUHJLVWHUꢂVHWꢂFRPPDQGꢂWRꢂGHILQHꢂ'6ꢂRUꢂ3$65ꢂRSHUDWLQJꢂW\SHꢂRIꢂWKHꢂGHYLFHꢂ
DIWHUꢂQRUPDOꢂ056ꢁ
(056ꢂF\FOHꢂLVꢂQRWꢂPDQGDWRU\ꢂDQGꢂWKHꢂ(056ꢂFRPPDQGꢂQHHGVꢂWRꢂEHꢂLVVXHGꢂRQO\ꢂZKHQꢂ
'6ꢂRUꢂ3$65ꢂLVꢂXVHGꢁ
7KHꢂGHIDXOWꢂVWDWHꢂZLWKRXWꢂ(056ꢂFRPPDQGꢂLVVXHGꢂLVꢂKDOIꢂGULYHUꢂVWUHQJWKꢂDQGꢂIXOOꢂDUUD\ꢂ
UHIUHVKHGꢁ
7KHꢂGHYLFHꢂLVꢂQRZꢂUHDG\ꢂIRUꢂWKHꢂRSHUDWLRQꢂVHOHFWHGꢂE\ꢂ(056ꢁ
)RUꢂRSHUDWLQJꢂZLWKꢂ'6ꢂRUꢂ3$65ꢄꢂVHWꢂ'6ꢂRUꢂ3$65ꢂPRGHꢂLQꢂ(056ꢂVHWWLQJꢂVWDJHꢁ
,QꢂRUGHUꢂWRꢂDGMXVWꢂDQRWKHUꢂPRGHꢂLQꢂWKHꢂVWDWHꢂRIꢂ'6ꢂRUꢂ3$65ꢂPRGHꢄꢂDGGLWLRQDOꢂ(056ꢂ
VHWꢂLVꢂUHTXLUHGꢂEXWꢂSRZHUꢂXSꢂVHTXHQFHꢂLVꢂQRWꢂQHHGHGꢂDJDLQꢂDWꢂWKLVꢂWLPHꢁꢂ,QꢂWKDWꢂFDVHꢄꢂ
DOOꢂEDQNVꢂKDYHꢂWRꢂEHꢂLQꢂLGOHꢂVWDWHꢂSULRUꢂWRꢂDGMXVWLQJꢂ(056ꢂVHWꢁ
Figure 92.1 Power Up Sequence
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
231
P r e l i m i n a r y
tCH
4
0
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
tCC
tCL
HIGH
tRP
tRAS
tRC
*Note 1
tSH
CS#
tRCD
tSS
tSH
tSH
RAS#
CAS#
tSS
tSH
tSS
Ca
ADDR
BA0,BA1
A10/AP
Ra
Cb
Cc
Rb
tSS
*Note 2
BS
*Note 2,3
BS
*Note 2,3
BS
*Note 2,3 *Note 4
BS BS
*Note 2
BS
*Note 3
*Note 3
*Note 3 *Note 4
Ra
Rb
tSH
Db
tSAC
Qa
DQ
WE#
DQM
Qc
tSS
tSS tSH
tSLZ
tOH
tSS tSH
Row Active
Read
Write
Read
Row Active
Precharge
: Don’t care
Ir)
ꢀꢁ $OOꢂLQSXWꢂH[FHSWꢂ&.(ꢂꢗꢂ'40ꢂFDQꢂEHꢂGRQꢘWꢂFDUHꢂZKHQꢂ&6ꢅꢂLVꢂKLJKꢂDWꢂWKHꢂ&/.ꢂKLJKꢂJRLQJꢂHGJHꢁ
ꢆꢁ %DQNꢂDFWLYHꢂꢗꢂUHDGꢍZULWHꢂDUHꢂFRQWUROOHGꢂE\ꢂ%$ꢈꢄꢂ%$ꢀꢁ
Figure 92.2 Single Bit Read-Write-Read Cycle (Same Page) @CAS Latency=3, Burst
Length=1
232
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
*Note 1
tRC
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
Ra
Ca
Rb
Cb
BA1
A10/AP
CL=2
Ra
Rb
tOH
Qa0 Qa1 Qa2 Qa3
Db0 Db1 Db2 Db3
Db0 Db1 Db2 Db3
tRDL
tSHZ
tRCD
tSAC
tOH
*Note 4
tSHZ
DQ
CL=3
Qa0 Qa1 Qa2 Qa3
tSAC
tRDL
*Note 4
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Precharge
(A-Bank)
Row Active
(A-Bank)
Write
(A-Bank)
Precharge
(A-Bank)
: Don’t care
Ir)
ꢀꢁ 0LQLPXPꢂURZꢂF\FOHꢂWLPHVꢂLVꢂUHTXLUHGꢂWRꢂFRPSOHWHꢂLQWHUQDOꢂ'5$0ꢂRSHUDWLRQꢁ
ꢆꢁ 5RZꢂSUHFKDUJHꢂFDQꢂLQWHUUXSWꢂEXUVWꢂRQꢂDQ\ꢂF\FOHꢁꢂ>&$6ꢂ/DWHQF\ꢂꢃꢂꢀ@ꢂQXPEHUꢂRIꢂYDOLGꢂRXWSXWꢂGDWDꢂLVꢂ
DYDLODEOHꢂDIWHUꢂ5RZꢂSUHFKDUJHꢁꢂ/DVWꢂYDOLGꢂRXWSXWꢂZLOOꢂEHꢂ+Lꢃ=ꢂꢏW ꢐꢂDIWHUꢂWKHꢂFORFNꢁ
6+=
ꢊꢁ 2XWSXWꢂZLOOꢂEHꢂ+Lꢃ=ꢂDIWHUꢂWKHꢂHQGꢂRIꢂEXUVWꢁꢂꢏꢀꢄꢂꢆꢄꢂꢎꢄꢂꢑꢂꢗꢂ)XOOꢂSDJHꢂELWꢂEXUVWꢐꢁ
Figure 92.3 Read & Write Cycle at Same Bank @Burst Length=4, tRDL=2CLK
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
233
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
*Note 1
tRC
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
Ra
Ca
Rb
Cb
BA1
A10/AP
CL=2
Ra
Rb
tOH
Qa0 Qa1 Qa2 Qa3
Db0 Db1 Db2 Db3
Db0 Db1 Db2 Db3
tRDL
tSHZ
tRCD
tSAC
tOH
*Note 4
tSHZ
DQ
CL=3
Qa0 Qa1 Qa2 Qa3
tSAC
tRDL
*Note 4
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Precharge
(A-Bank)
Row Active
(A-Bank)
Write
(A-Bank)
Precharge
(A-Bank)
: Don’t care
Ir)
ꢀꢁ 7RꢂZULWHꢂGDWDꢂEHIRUHꢂEXUVWꢂUHDGꢂHQGVꢄꢂ'40ꢂVKRXOGꢂEHꢂDVVHUWHGꢂWKUHHꢂF\FOHꢂSULRUꢂWRꢂZULWHꢂFRPPDQGꢂ
WRꢂDYRLGꢂEXVꢂFRQWHQWLRQꢁ
ꢆꢁ 5RZꢂSUHFKDUJHꢂZLOOꢂLQWHUUXSWꢂZULWLQJꢁꢂ/DVWꢂGDWDꢂLQSXWꢄꢂW
ꢂEHIRUHꢂ5RZꢂSUHFKDUJHꢄꢂZLOOꢂEHꢂZULWWHQꢁ
5'/
ꢊꢁ '40ꢂVKRXOGꢂPDVNꢂLQYDOLGꢂLQSXWꢂGDWDꢂRQꢂSUHFKDUJHꢂFRPPDQGꢂF\FOHꢂZKHQꢂDVVHUWLQJꢂSUHFKDUJHꢂEHIRUHꢂ
HQGꢂRIꢂEXUVWꢁꢂ,QSXWꢂGDWDꢂDIWHUꢂ5RZꢂSUHFKDUJHꢂF\FOHꢂZLOOꢂEHꢂPDVNHGꢂLQWHUQDOO\ꢁꢂ
ꢎꢁ W
ꢄODVWꢂGDWDꢂLQꢂWRꢂDFWLYHꢂGHOD\ꢄꢂLVꢂꢆ&/.ꢂꢓꢂW
ꢁ
53
'$/
Figure 92.4 Read & Write Cycle at Same Bank @Burst Length=4, tRDL=2CLK
234
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
*Note 1
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
RAa
RBb CAa
RCc CBb
RDd CCc
CDd
BA1
A10/AP
CL=2
RAa
RBb
RCc
RDd
QAa0 QAa1 QAa2 QBb0 QBb1 QBb2 QCc0 QCc1 QCc2
QDd0 QDd1 QDd2
DQ
CL=3
QAa0 QAa1 QAa2 QBb0 QBb1 QBb2 QCc0 QCc1 QCc2 QDd0 QDd1 QDd2
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Read
(B-Bank)
Read
(C-Bank)
Read
(D-Bank)
Precharge
(D-Bank)
Row Active
(B-Bank)
Row Active
(C-Bank)
Row Active
(D-Bank)
Precharge
(C-Bank)
Precharge
(A-Bank)
Precharge
(B-Bank)
: Don’t care
Ir)
ꢀꢁ &6ꢅꢂFDQꢂEHꢂGRQꢘWꢂFDUHGꢂZKHQꢂ5$6ꢅꢄꢂ&$6ꢅꢂDQGꢂ:(ꢅꢂDUHꢂKLJKꢂDWꢂWKHꢂFORFNꢂKLJKꢂJRLQJꢂHGJHꢁ
ꢆꢁ 7RꢂLQWHUUXSWꢂDꢂEXUVWꢂUHDGꢂE\ꢂURZꢂSUHFKDUJHꢄꢂERWKꢂWKHꢂUHDGꢂDQGꢂWKHꢂSUHFKDUJHꢂEDQNVꢂPXVWꢂEHꢂWKHꢂ
VDPHꢁ
Figure 92.5 Page Read Cycle at Different Bank @Burst Length=4
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
235
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
*Note 2
RAa
RAb CAa
CBb RCc
RDd CCc
CDd
BA1
A10/AP
DQ
RAa
RBb
RCc
RDd
DAa0 DAa1 DAa2 DAa3 DBb0 DBb1 DBb2 DBb3 DCc0 DCc1 DDd0 DDd1 DDd2
tCDL
tRDL
WE#
*Note 1
DQM
Row Active
(A-Bank)
Write
(A-Bank)
Write
(B-Bank)
Row Active
(D-Bank)
Write
(D-Bank)
Precharge
(All Banks)
Row Active
(B-Bank)
Row Active
(C-Bank)
Write
(C-Bank)
: Don’t care
Ir)
ꢀꢁ 7RꢂLQWHUUXSWꢂEXUVWꢂZULWHꢂE\ꢂ5RZꢂSUHFKDUJHꢄꢂ'40ꢂVKRXOGꢂEHꢂDVVHUWHGꢂWRꢂPDVNꢂLQYDOLGꢂLQSXWꢂGDWDꢁ
ꢆꢁ 7RꢂLQWHUUXSWꢂEXUVWꢂZULWHꢂE\ꢂ5RZꢂSUHFKDUJHꢄꢂERWKꢂWKHꢂZULWHꢂDQGꢂWKHꢂSUHFKDUJHꢂEDQNVꢂPXVWꢂEHꢂWKHꢂ
VDPHꢁ
Figure 92.6 Page Write Cycle at Different Bank @Burst Length=4, tRDL=2CLK
236
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
RAa
CAa
RDb
CDb RBc
CBc
BA1
A10/AP
CL=2
RAa
RDb
RBc
tCDL
*Note 1
QAa0 QAa1 QAa2 QAa3
DDb0 DDb1 DDb2 DDb3
DDb0 DDb1 DDb2 DDb3
QBc0 QBc1 QBc2
QBc0 QBc1
DQ
{
CL=3
QAa0 QAa1 QAa2 QAa3
WE#
DQM
Row Active
(A-Bank)
Read
(A-Bank)
Precharge
(A-Bank)
Write
(D-Bank)
Read
(B-Bank)
Row Active
(D-Bank)
Row Active
(B-Bank)
: Don’t care
Ir)
ꢀꢁ W
ꢂVKRXOGꢂEHꢂPHWꢂWRꢂFRPSOHWHꢂZULWHꢁ
&'/
Figure 92.7 Read & Write Cycle at Different Bank @Burst Length=4
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
237
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
RAa
RBb CAa
CBb
RAc
CAc
BA1
A10/AP
DQ CL=2
RAa
RBb
RAc
QAa0 QAa1 QBb0 QBb1 QBb2 DBb3
DAc0 DAc1
DAc0 DAc1
CL=3
QAa0 QAa1 QBb0 QBb1 QBb2 DBb3
WE#
DQM
Row Active
(A-Bank)
Read with Read without Auto
Auto Pre Precharge(B-Bank)
Precharge
(B-Bank)
Row Active
(A-Bank)
Write with
Auto Precharge
(A-Bank)
charge
Auto Precharge
Start Point
(A-Bank)
(A-Bank) *Note1
Row Active
(B-Bank)
: Don’t care
Ir)
ꢀꢁ :KHQꢂ5HDGꢂꢏ:ULWHꢐꢂFRPPDQGꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLVꢂLVVXHGꢂDWꢂ$ꢃ%DQNꢂDIWHUꢂ$ꢂDQGꢂ%ꢂ%DQNꢂDFWLYDWLRQꢁꢂ
,Iꢂ5HDGꢂꢏ:ULWHꢐꢂFRPPDQGꢂZLWKRXWꢂDXWRꢂSUHFKDUJHꢂLVꢂLVVXHGꢂDWꢂ%ꢃ%DQNꢂEHIRUHꢂ$ꢃ%DQNꢂDXWRꢂSUHFKDUJHꢂ
VWDUWVꢄꢂ$ꢃ%DQNꢂDXWRꢂSUHFKDUJHꢂZLOOꢂVWDUWꢂDWꢂ%ꢃ%DQNꢂUHDGꢂFRPPDQGꢂLQSXWꢂSRLQWꢁ
$Q\ꢂFRPPDQGꢂFDQꢂQRWꢂEHꢂLVVXHGꢂDWꢂ$ꢃ%DQNꢂGXULQJꢂW ꢂDIWHUꢂ$ꢃ%DQNꢂDXWRꢂSUHFKDUJHꢂVWDUWVꢁ
53
Figure 92.8 Read & Write Cycle with Auto Precharge I @Burst Length=4
238
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
Ra
Ca
Rb
Cb
BA1
A10/AP
DQ CL=2
Ra
Rb
Qa0 Qa1 Qa2 Qa3
Qb0 Qb1 Qb2 Qb3
CL=3
Qa0 Qa1 Qa2 Qa3
Qb0 Qb1 Qb2 Qb3
WE#
DQM
*Note1
Auto Precharge
Start Point
(B-Bank)
Row Active
(A-Bank)
Read with
Auto Precharge
(A-Bank)
Read with
Auto Precharge
(B-Bank)
Auto Precharge
Start Point
(A-Bank)
Row Active
(B-Bank)
: Don’t care
Ir)
ꢀꢁ $Q\ꢂFRPPDQGꢂWRꢂ$ꢃEDQNꢂLVꢂQRWꢂDOORZHGꢂLQꢂWKLVꢂSHULRGꢁꢂW ꢂLVꢂGHWHUPLQHGꢂIURPꢂDWꢂDXWRꢂSUHFKDUJHꢂVWDUWꢂ
53
SRLQWꢁ
Figure 92.9 Read & Write Cycle with Auto Precharge 2 @Burst Length=4
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
239
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
CS#
RAS#
CAS#
ADDR
BA0
Ra
Ca
Cb
Cc
BA1
A10/AP
DQ
Ra
Qa0 Qa1
Qa2
Qa3
Qb0 Qb1
tSHZ
Dc0
Dc2
tSHZ
WE#
*Note 1
DQM
Row Active
Read
Clock
Suspension
Read
Read DQM
Write
DQM
Write
DQM
Write
Clock
Suspension
: Don’t care
Ir)
ꢀꢁ '40ꢂLVꢂQHHGHGꢂWRꢂSUHYHQWꢂEXVꢂFRQWHQWLRQꢁ
Figure 92.10 Clock Suspension & DQM Operation Cycle @CAS Latency=2, Burst Length=4
240
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
RAa
CAa
CAb
BA0
BA1
A10/AP
CL=2
RAa
1
1
QAb0 QAb1 QAb2 QAb3 QAb4 QAb5
QAa0 QAa1 QAa2 QAa3 QAa4
DQ
2
2
{
CL=3
QAa0 QAa1 QAa2 QAa3 QAa4
QAb0 QAb1 QAb2 QAb3 QAb4 QAb5
WE#
DQM
Precharge
(A-Bank)
Row Active
(A-Bank)
Read
(A-Bank)
Burst Stop
Read
(A-Bank)
: Don’t care
Ir)
ꢀꢁ $WꢂIXOOꢂSDJHꢂPRGHꢄꢂEXUVWꢂLVꢂILQLVKHGꢂE\ꢂEXUVWꢂVWRSꢂRUꢂSUHFKDUJHꢁ
ꢆꢁ $ERXWꢂWKHꢂYDOLGꢂ'4VꢂDIWHUꢂEXUVWꢂVWRSꢄꢂLWꢂLVꢂVDPHꢂDVꢂWKHꢂFDVHꢂRIꢂ5$6ꢅꢂLQWHUUXSWꢁ
%RWKꢂFDVHVꢂDUHꢂLOOXVWUDWHGꢂDERYHꢂWLPLQJꢂGLDJUDPꢁꢂ6HHꢂWKHꢂODEHOꢂꢀꢄꢂꢆꢂRQꢂWKHPꢁꢂ
%XWꢂDWꢂEXUVWꢂZULWHꢄꢂ%XUVWꢂVWRSꢂDQGꢂ5$6ꢅꢂLQWHUUXSWꢂVKRXOGꢂEHꢂFRPSDUHGꢂFDUHIXOO\ꢁ
ꢊꢁ %XUVWꢂVWRSꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂEXUVWꢂOHQJWKꢁ
Figure 92.11 Read Interrupted by Precharge Command & Read Burst Stop Cycle @Full Page
Burst
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
241
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
CAS#
ADDR
BA0
RAa
CAa
CAb
BA1
A10/AP
DQ
RAa
tBDL
tRDL
*Note 1
*Note 1,2
DAa0 DAa1 DAa2 DAa3 DAa4
DAb0 DAb1 DAb2 DAb3 DAb4 DAb5
WE
DQM
Row Active
(A-Bank)
Write
(A-Bank)
Burst Stop
Write
(A-Bank)
Precharge
(A-Bank)
: Don’t care
Ir)
ꢀꢁ $WꢂIXOOꢂSDJHꢂPRGHꢄꢂEXUVWꢂLVꢂILQLVKHGꢂE\ꢂEXUVWꢂVWRSꢂRUꢂSUHFKDUJHꢁ
ꢆꢁ 'DWDꢃLQꢂDWꢂWKHꢂF\FOHꢂRIꢂLQWHUUXSWHGꢂE\ꢂSUHFKDUJHꢂFDQꢂQRWꢂEHꢂZULWWHQꢂLQWRꢂWKHꢂFRUUHVSRQGLQJꢂPHPRU\ꢂ
FHOOꢁꢂ,WꢂLVꢂGHILQHGꢂE\ꢂ$&ꢂSDUDPHWHUꢂRIꢂW ꢁꢂ'40ꢂDWꢂZULWHꢂLQWHUUXSWHGꢂE\ꢂSUHFKDUJHꢂFRPPDQGꢂLVꢂ
5'/
QHHGHGꢂWRꢂSUHYHQWꢂLQYDOLGꢂZULWHꢁꢂ'40ꢂVKRXOGꢂPDVNꢂLQYDOLGꢂLQSXWꢂGDWDꢂRQꢂSUHFKDUJHꢂFRPPDQGꢂF\FOHꢂ
ZKHQꢂDVVHUWLQJꢂSUHFKDUJHꢂEHIRUHꢂHQGꢂRIꢂEXUVWꢁꢂ,QSXWꢂGDWDꢂDIWHUꢂ5RZꢂSUHFKDUJHꢂF\FOHꢂZLOOꢂEHꢂPDVNHGꢂ
LQWHUQDOO\ꢁ
ꢊꢁ %XUVWꢂVWRSꢂLVꢂYDOLGꢂDWꢂHYHU\ꢂEXUVWꢂOHQJWKꢁ
Figure 92.12 Write Interrupted by Precharge Command & Write Burst Stop Cycle @ Full
Page Burst, tRDL=2CLK
242
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
HIGH
CS#
RAS#
*Note 2
CAS#
ADDR
RAa
CAa RBb CAb
RCc
CBc
CCd
BA0
BA1
A10/AP
CL=2
RAa
RBb
RCc
DAa0
QAb0 QAb1
DBc0
DBc0
QCd0 QCd1
DQ
CL=3
DAa0
QAb0 QAb1
QCd0 QCd1
WE#
DQM
Precharge
(C-Bank)
Row Active
(A-Bank)
Row Active
(B-Bank)
Row Active
(C-Bank)
Read
(C-Bank)
Write
Read with
Write with
Auto Precharge
(B-Bank)
(A-Bank) Auto Precharge
(A-Bank)
: Don’t care
Ir)
ꢀꢁ %56:ꢂPRGHVꢂLVꢂHQDEOHGꢂE\ꢂVHWWLQJꢂ$ꢒꢂ+LJKꢂDWꢂ056ꢂꢏ0RGHꢂ5HJLVWHUꢂ6HWꢐꢁꢂ$WꢂWKHꢂ%56:ꢂ0RGHꢄꢂWKHꢂ
EXUVWꢂOHQJWKꢂDWꢂZULWHꢂLVꢂIL[HGꢂWRꢂꢇꢂUHJDUGOHVVꢂRIꢂSURJUDPPHGꢂEXUVWꢂOHQJWKꢁ
ꢆꢁ :KHQꢂ%56:ꢂZULWHꢂFRPPDQGꢂZLWKꢂDXWRꢂSUHFKDUJHꢂLVꢂH[HFXWHGꢄꢂNHHSꢂLWꢂLQꢂPLQGꢂWKDWꢂW
ꢂVKRXOGꢂQRWꢂ
5$6
EHꢂYLRODWHGꢁꢂ$XWRꢂSUHFKDUJHꢂLVꢂH[HFXWHGꢂDWꢂWKHꢂEXUVWꢃHQGꢂF\FOHꢄꢂVRꢂLQꢂWKHꢂFDVHꢂRIꢂ%56:ꢂZULWHꢂ
FRPPDQGꢄꢂWKHꢂQH[WꢂF\FOHꢂVWDUWVꢂWKHꢂSUHFKDUJHꢁꢂ
Figure 92.13 Burst Read Single bit Write Cycle @Burst Length=2
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
243
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
tSS
*Note 1
tSS
tSS
*Note 2
*Note 2
*Note 3
CS#
RAS#
CAS#
ADDR
BA
Ra
Ca
Ra
A10/AP
DQ
Qa0 Qa1 Qa2
tSHZ
WE#
DQM
Precharge
Power-down
Entry
Row Active
Read
Precharge
Precharge
Power-down
Exit
Active
Power-down
Entry
Active
Power-down
Exit
: Don’t care
Ir)
ꢀꢁ $OOꢂEDQNVꢂVKRXOGꢂEHꢂLQꢂLGOHꢂVWDWHꢂSULRUꢂWRꢂHQWHULQJꢂSUHFKDUJHꢂSRZHUꢂGRZQꢂPRGHꢁ
ꢆꢁ &.(ꢂVKRXOGꢂEHꢂVHWꢂKLJKꢂDWꢂOHDVWꢂꢀ&/.ꢂꢓꢂW ꢂSULRUꢂWRꢂ5RZꢂDFWLYHꢂFRPPDQGꢁ
66
ꢊꢁ &DQꢂQRWꢂYLRODWHꢂPLQLPXPꢂUHIUHVKꢂVSHFLILFDWLRQꢂꢏꢌꢎPVꢐꢁ
Figure 92.14 Active/Precharge Power Down Mode @CAS Latency=2, Burst Length=4
244
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CLOCK
CKE
*Note 2
*Note 4
tSRFX
*Note 1
*Note 6
*Note 3
tSS
CS#
RAS#
CAS#
ADDR
BA0,BA1
A10/AP
DQ
Hi-Z
Hi-Z
WE#
DQM
Self Refresh Entry
Self Refresh Exit
Auto Refresh
: Don’t care
Ir)
Uꢀ@rꢄꢀTrysꢀSrsꢄruꢀHqr
ꢀꢁ &6ꢅꢄꢂ5$6ꢅꢂꢗꢂ&$6ꢅꢂZLWKꢂ&.(ꢂVKRXOGꢂEHꢂORZꢂDWꢂWKHꢂVDPHꢂFORFNꢂF\FOHꢁ
ꢆꢁ $IWHUꢂꢀꢂFORFNꢂF\FOHꢄꢂDOOꢂWKHꢂLQSXWVꢂLQFOXGLQJꢂWKHꢂV\VWHPꢂFORFNꢂFDQꢂEHꢂGRQꢘWꢂFDUHꢂH[FHSWꢂIRUꢂ&.(ꢁ
ꢊꢁ 7KHꢂGHYLFHꢂUHPDLQVꢂLQꢂVHOIꢂUHIUHVKꢂPRGHꢂDVꢂORQJꢂDVꢂ&.(ꢂVWD\Vꢂ/RZꢁ
2QFHꢂWKHꢂGHYLFHꢂHQWHUVꢂVHOIꢂUHIUHVKꢂPRGHꢄꢂPLQLPXPꢂW
ꢂLVꢂUHTXLUHGꢂEHIRUHꢂH[LWꢂIURPꢂVHOIꢂUHIUHVKꢁ
5$6
Uꢀ@vꢀTrysꢀSrsꢄruꢀHqr
ꢎꢁ 6\VWHPꢂFORFNꢂUHVWDUWꢂDQGꢂEHꢂVWDEOHꢂEHIRUHꢂUHWXUQLQJꢂ&.(ꢂKLJKꢁ
ꢉꢁ &6ꢅꢂVWDUWVꢂIURPꢂKLJKꢁ
ꢌꢁ 0LQLPXPꢂW
ꢂLVꢂUHTXLUHGꢂDIWHUꢂ&.(ꢂJRLQJꢂKLJKꢂWRꢂFRPSOHWHꢂVHOIꢂUHIUHVKꢂH[LWꢁ
65);
ꢋꢁ ꢎ.ꢂF\FOHꢂꢏꢌꢎ0Eꢄꢂꢀꢆꢑ0EꢐꢂRUꢂꢑ.ꢂF\FOHꢂꢏꢆꢉꢌ0Eꢄꢂꢉꢀꢆ0EꢐꢂRIꢂEXUVWꢂDXWRꢂUHIUHVKꢂLVꢂUHTXLUHGꢂEHIRUHꢂVHOIꢂ
UHIUHVKꢂHQWU\ꢂDQGꢂDIWHUꢂVHOIꢂUHIUHVKꢂH[LWꢂLIꢂWKHꢂV\VWHPꢂXVHVꢂEXUVWꢂUHIUHVKꢁ
Figure 92.15 Self Refresh Entry & Exit Cycle
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
245
P r e l i m i n a r y
Mode Register Set Cycle
Auto Refresh Cycle
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
8
9
10
CLOCK
CKE
HIGH
HIGH
CS#
*Note 2
tARFC
RAS#
CAS#
ADDR
BA0
*Note 1
*Note 3
Key
Ra
BA1
Hi-Z
Hi-Z
DQ
WE#
DQM
MRS
New Command
Auto Refresh
New Command
: Don’t care
Ir)
HqrꢀSrtvrꢄꢀTrꢀ8pyr
246
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
P r e l i m i n a r y
ꢀꢁ &6ꢅꢄꢂ5$6ꢅꢄꢂ&$6ꢅꢄꢂ%$ꢈꢄꢂ%$ꢀꢂꢗꢂ:(ꢅꢂDFWLYDWLRQꢂDWꢂWKHꢂVDPHꢂFORFNꢂF\FOHꢂZLWKꢂDGGUHVVꢂNH\ꢂZLOOꢂVHWꢂ
LQWHUQDOꢂPRGHꢂUHJLVWHUꢁ
ꢆꢁ 0LQLPXPꢂꢆꢂFORFNꢂF\FOHVꢂVKRXOGꢂEHꢂPHWꢂEHIRUHꢂQHZꢂ5$6ꢂDFWLYDWLRQꢁ
ꢊꢁ 3OHDVHꢂUHIHUꢂWRꢂ0RGHꢂ5HJLVWHUꢂ6HWꢂꢏ056ꢐꢁ
ꢎꢁ $OOꢂEDQNVꢂSUHFKDUJHꢂVKRXOGꢂEHꢂFRPSOHWHGꢂEHIRUHꢂ0RGHꢂ5HJLVWHUꢂ6HWꢂF\FOHꢂDQGꢂDXWRꢂUHIUHVKꢂF\FOHꢁ
0
1
2
3
4
5
6
CLOCK
CKE
HIGH
CS#
*Note 2
RAS#
CAS#
ADDR
BA0
*Note 1
*Note 3
Key
Ra
BA1
Hi-Z
DQ
WE#
DQM
EMRS New Command
: Don’t care
Ir)
ꢀꢁ &6ꢅꢄꢂ5$6ꢅꢄꢂ&$6ꢅꢄꢂ%$ꢈꢄꢂ%$ꢀꢂꢗꢂ:(ꢅꢂDFWLYDWLRQꢂDWꢂWKHꢂVDPHꢂFORFNꢂF\FOHꢂZLWKꢂDGGUHVVꢂNH\ꢂZLOOꢂVHWꢂ
LQWHUQDOꢂPRGHꢂUHJLVWHUꢁ
ꢆꢁ 0LQLPXPꢂꢆꢂFORFNꢂF\FOHVꢂVKRXOGꢂEHꢂPHWꢂEHIRUHꢂQHZꢂ5$6ꢅꢂDFWLYDWLRQꢁ
ꢊꢁ 3OHDVHꢂUHIHUꢂWRꢂ0RGHꢂ5HJLVWHUꢂ6HWꢂꢏ056ꢐꢁ
Figure 92.16 Extended Mode Register Set Cycle
May 12, 2005 SDRAM_04_A0
S73WS256N Based MCPs
247
P r e l i m i n a r y
93 SDRAM Type 2 Revision Summary
Revision A (May 12, 2005)
,QLWLDOꢀUHOHDVHꢃ
248
S73WS256N Based MCPs
SDRAM_04_A0 May 12, 2005
A d v a n c e I n f o r m a t i o n
94 MCP Revision Summary
Revision A (October 19, 2004)
,QLWLDOꢀUHOHDVHꢃ
Revision A1 (May 31, 2005)
$GGHGꢀ6'5$0ꢀ7\SHꢀꢏꢀPRGXOH
$GGHGꢀ)($ꢇꢑꢈꢀSDFNDJHꢀGLDJUDP
Revision A2 (November 9, 2005)
8SGDWHGꢀ)ODVKꢀPRGXOHꢀDQGꢀWKHꢀ6'5$0ꢀ7\SHꢀꢏꢀPRGXOH
&KDQJHGꢀDOOꢀ5$0ꢀPRGXOHꢀVWDWXVꢀWRꢀ3UHOLPLQDU\ꢀIRUPꢀ$GYDQFHGꢀ,QIRUPDWLRQ
Revision A3 (December 16, 2005)
&RUUHFWHGꢀSDFNDJHꢀIURPꢀ)($ꢇꢑꢈꢀWRꢀ)7)ꢇꢑꢈ
Colophon
The products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary
industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for any use that
includes fatal risks or dangers that, unless extremely high safety is secured, could have a serious effect to the public, and could lead directly to death, personal
injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control,
medical life support system, missile launch control in weapon system), or (2) for any use where chance of failure is intolerable (i.e., submersible repeater and
artificial satellite). Please note that Spansion LLC will not be liable to you and/or any third party for any claims or damages arising in connection with above-
mentioned uses of the products. Any semiconductor devices have an inherent chance of failure. You must protect against injury, damage or loss from such
failures by incorporating safety design measures into your facility and equipment such as redundancy, fire protection, and prevention of over-current levels
and other abnormal operating conditions. If any products described in this document represent goods or technologies subject to certain restrictions on ex-
port under the Foreign Exchange and Foreign Trade Law of Japan, the US Export Administration Regulations or the applicable laws of any other country, the
prior authorization by the respective government entity will be required for export of those products.
Trademarks and Notice
The contents of this document are subject to change without notice. This document may contain information on a Spansion LLC product under development
by Spansion LLC. Spansion LLC reserves the right to change or discontinue work on any product without notice. The information in this document is provided
as is without warranty or guarantee of any kind as to its accuracy, completeness, operability, fitness for particular purpose, merchantability, non-infringement
of third-party rights, or any other warranty, express, implied, or statutory. Spansion LLC assumes no liability for any damages of any kind arising out of the
use of the information in this document.
Copyright ©2004-2005 Spansion LLC. All rights reserved. Spansion, the Spansion logo, and MirrorBit are trademarks of Spansion LLC. Other company and
product names used in this publication are for identification purposes only and may be trademarks of their respective companies.
December 16, 2005 S73WS256N_00_A3
S73WS256N Based MCPs
249
相关型号:
©2020 ICPDF网 联系我们和版权申明