RD38F3050L0ZTQ0 [NUMONYX]
Memory Circuit, Flash+PSRAM, Hybrid, PBGA88,;
| 型号： | RD38F3050L0ZTQ0 |
| 厂家： | 
NUMONYX B.V |
| 描述： | Memory Circuit, Flash+PSRAM, Hybrid, PBGA88, 静态存储器 |
| 文件： | 总68页 (文件大小：988K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
Numonyx™ StrataFlash Wireless Memory
(L18 SCSP)
768-Mbit L18 Family with Synchronous PSRAM
Datasheet
Product Features
Device Architecture
Flash Performance
— Flash Die Density: 128 or 256-Mbit
— PSRAM Die Density: 32 or 64-Mbit
— x16 Non-Mux or ADMux I/O Interface Option
— Bottom or Top Flash Parameter
Configuration
Device Voltage
— Core: VCC = 1.8 V
— I/O: VCCQ = 1.8 V
Device Packaging
— Ballout: QUAD+ (88 Balls)
— Area: 8x10 mm to 11x13 mm
— Height: 1.2 mm to 1.4 mm
PSRAM Performance
— 85 ns Initial Read Access;
25 ns Asynchronous Page-Mode Read
— Up to 54 MHz with 14 ns Clock-to-Data
Output Synchronous Burst-Mode Read
— Buffered Enhanced Factory Programming
(BEFP): 5 µs/byte (typ.)
— Write-buffer program: 7 µs/Byte (typ.)
Flash Architecture
— Read-While-Write/Erase
— Asymmetrical blocking structure
— 8-Mbit or 16-Mbit partition sizes
— 16-Kword parameter blocks (Top or
Bottom); 64-Kword main blocks
— 2-Kbit One-Time Programmable Protection
Register
— Zero-latency block locking
— Absolute write protection with block lock
using F-VPP and F-WP#
Flash Software
— Numonyx™ FDI, Numonyx™ PSM, and
Numonyx™ VFM
— Common Flash Interface
— 70 ns Initial Read Access;
20 ns Asynchronous Page-Mode Read
— Up to 54 MHz with 9 ns Clock-to-Data
Synchronous Burst-Mode Reads and Writes
— Configurable 4-, 8-, 16- and Continuous-
Word Burst-Length Reads and Writes
— Partial-Array Self and Temperature-
Compensated Refresh
— Programmable Output Impedance
— Basic and Extended Flash Command Set
Quality and Reliability
— Extended Temperature –25 °C to +85 °C
— Minimum 100K Flash Block Erase cycles
— 130 nm ETOX™ VIII Flash Technology
314476-05
November 2007
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH NUMONYX™ PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR
OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN NUMONYX'S TERMS AND
CONDITIONS OF SALE FOR SUCH PRODUCTS, NUMONYX ASSUMES NO LIABILITY WHATSOEVER, AND NUMONYX DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY, RELATING TO SALE AND/OR USE OF NUMONYX PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A
PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Numonyx
products are not intended for use in medical, life saving, life sustaining, critical control or safety systems, or in nuclear facility applications.
Numonyx B.V. may make changes to specifications and product descriptions at any time, without notice.
Numonyx B.V. may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the presented
subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by estoppel or
otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights.
Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Numonyx reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
Contact your local Numonyx sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an order number and are referenced in this document, or other Numonyx literature may be obtained by visiting
Numonyx's website at http://www.numonyx.com.
Numonyx, the Numonyx logo, and StrataFlash are trademarks or registered trademarks of Numonyx B.V. or its subsidiaries in other countries.
*Other names and brands may be claimed as the property of others.
Copyright © 2007, Numonyx B.V., All Rights Reserved.
Datasheet
2
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Contents
1.0 Introduction..............................................................................................................6
1.1
1.2
1.3
Nomenclature.....................................................................................................6
Acronyms...........................................................................................................7
Conventions .......................................................................................................7
2.0 Functional Overview..................................................................................................8
2.1
2.2
2.3
2.4
Product Description .............................................................................................8
Available Device Combinations............................................................................ 10
Device Operation Overview.................................................................................10
Flash Memory Map and Partitioning...................................................................... 12
3.0 Device Package Information.................................................................................... 17
4.0 Ballout and Signal Descriptions ...............................................................................21
4.1
4.2
Device Signal Ballout .........................................................................................21
Signal Descriptions............................................................................................ 22
5.0 Maximum Ratings and Operating Conditions............................................................ 25
5.1
5.2
5.3
Device Absolute Maximum Ratings....................................................................... 25
Device Operating Conditions...............................................................................25
Device Power-Up/Down...................................................................................... 26
5.3.1 Flash Power and Reset Specifications ........................................................26
5.3.2 PSRAM Power-Up Sequence and Initialization............................................. 26
6.0 Device Electrical Specifications................................................................................27
6.1
6.2
6.3
Flash DC Operating Characteristics ...................................................................... 27
Synchronous PSRAM DC Operating Characteristics.................................................27
Device AC Test Conditions.................................................................................. 28
6.3.1 Flash Die Capacitance ............................................................................. 28
6.3.2 Synchronous PSRAM Die Capacitance........................................................29
7.0 Flash AC Characteristics .......................................................................................... 30
8.0 Synchronous PSRAM AC Characteristics................................................................... 31
8.1
8.2
8.3
PSRAM Asynchronous Read.................................................................................31
PSRAM Asynchronous Write ................................................................................34
PSRAM Synchronous Read and Write.................................................................... 37
9.0 Flash Bus Interface .................................................................................................43
10.0 Flash Operations ..................................................................................................... 43
11.0 PSRAM Bus Interface...............................................................................................44
11.1 PSRAM Reads ................................................................................................... 44
11.1.1 PSRAM Asynchronous Read...................................................................... 44
11.1.2 PSRAM Asynchronous Page-Mode Read ..................................................... 44
11.1.3 PSRAM Synchronous Burst-Mode Reads..................................................... 44
11.1.4 PSRAM Asynchronous Fetch Control Register Read...................................... 45
11.2 PSRAM Writes................................................................................................... 45
11.2.1 PSRAM Asynchronous Write ..................................................................... 45
11.2.2 PSRAM Synchronous Write....................................................................... 46
11.2.3 PSRAM Asynchronous Set Control Register Write ........................................ 46
11.2.4 PSRAM Synchronous Set Control Register Write..........................................47
11.3 PSRAM No Operation Command ..........................................................................47
11.4 PSRAM Deselect................................................................................................47
11.5 PSRAM Deep Power Down................................................................................... 47
November 2007
314476-05
Datasheet
3
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
11.6 PSRAM WAIT Signal ...........................................................................................48
12.0 PSRAM Device Operation..........................................................................................50
12.1 PSRAM Operating Modes.....................................................................................50
12.2 PSRAM Control Registers ....................................................................................50
12.2.1 PSRAM Bus Control Register.....................................................................50
12.2.1.1 PSRAM BCR Operating Mode .......................................................51
12.2.1.2 PSRAM Initial Latency BCR Bit.....................................................52
12.2.1.3 PSRAM Latency Counter BCR Bit..................................................52
12.2.1.4 PSRAM WAIT Polarity BCR Bit......................................................53
12.2.1.5 PSRAM WAIT Configuration BCR Bit .............................................53
12.2.1.6 PSRAM Drive Strength BCR Bit....................................................53
12.2.1.7 PSRAM Burst Wrap BCR Bit.........................................................53
12.2.1.8 PSRAM Burst Length BCR Bit.......................................................53
12.2.2 PSRAM Refresh Control Register ...............................................................54
12.2.2.1 PSRAM Page Mode RCR Bit .........................................................55
12.2.2.2 PSRAM Deep-Power Down RCR Bit...............................................55
12.2.2.3 Description of PSRAM Partial-Array Self-Refresh RCR Bit.................56
12.3 PSRAM Access to Control Register........................................................................57
12.3.1 PSRAM Hardware Control Register Access ..................................................57
12.3.2 PSRAM Software Register Access ..............................................................57
12.3.3 Cautionary Note About Software Register Access.........................................59
12.4 PSRAM Self-Refresh Operation.............................................................................59
12.4.1 PSRAM Self-Refresh Operations at Low Frequency.......................................59
12.5 PSRAM Burst Suspend, Interrupt, or Termination ...................................................59
12.5.1 PSRAM Burst Suspend.............................................................................59
12.5.2 PSRAM Burst Interrupt ............................................................................60
12.5.3 PSRAM Burst Termination ........................................................................61
12.6 PSRAM Row Boundary Crossing ...........................................................................61
A
B
C
D
E
F
Flash Write State Machine........................................................................................62
Flash Common Flash Interface.................................................................................62
Flash Flowcharts......................................................................................................62
Additional Information.............................................................................................62
Ordering Information...............................................................................................63
................................................................................................................................66
Datasheet
4
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Revision History
Date
Revision
Description
August 2006
-001
Initial release.
Revised information on registry access restrictions for product order numbers ending in Q0, Q1,
Q2. (Products with ordering numbers ending with Q0, Q1, Q2, and Q3 are limited to the hardware
method of setting the registry and do not support registery reads or software registry access.)
September
2006
-002
August 2007
August 2007
-003
-004
05
Updated ordering information
Updated PSRAM spec values per ISD specifications to align with CRAM1.5 standards.
Applied Numonyx branding.
November 2007
November 2007
314476-05
Datasheet
5
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
1.0
Introduction
This document contains information pertaining to the Numonyx™ StrataFlash®
Wireless Memory (L18 SCSP) with Synchronous PSRAM stacked device family. The L18
is available as a Non-Multiplex or Address-Data Muxltiplex (ADMux) I/O interface
option, while the synchronous PSRAM is available only as a Non-Multiplex I/O interface.
The intent of this document is to provide information where this product differs from
the Title device.
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed product information not included in this
document.
The 768-Mbit Numonyx™ StrataFlash® Wireless memory with synchronous PSRAM
stacked device family offers multiple high-performance solutions. The L18 (Non-Mux or
ADMux I/O interface option) highlighted features like asymmetrical block array,
configurable burst lengths, security using OTP and zero-latency block lock. The L18
delivers up to 54 MHz synchronous burst and page-mode read rates with multi-
partitioning Read-While-Write and Read-While-Erase operations. The synchronous
PSRAM (Non-Mux I/O interface) is a high-performance volatile memory operating at
speeds up to 54 MHz with configurable burst lengths. The PSRAM lower sixteen
addresses can be routed to the data pins on the PCB board to enable a flexible flash
and PSRAM A/D-Mux I/O interface device design. The L18 stacked device features 1.8
volt low-voltage operation in an Numonyx QUAD+ standard footprint and signal
ballouts.
1.1
Nomenclature
1.8 Volt Core
1.8 Volt I/O
ADMux I/O
VCC (memory subsystem die core) voltage range of 1.7 V – 1.95 V.
VCCQ (memory subsystem I/O) voltage range of 1.7 V – 1.95 V.
Address-Data Multiplex I/O interface, where the lower sixteen (16) addresses are
multiplexed on the data pins (DQ[15:0]) during any address cycle.
Asserted
Block
Signal with logical voltage level VIL, or enabled.
Group of cells, bits, bytes, or words within the flash memory array that get erased
with one erase instruction.
Deasserted
Device
Signal with logical voltage level VIH or disabled.
A specific memory type or stacked flash and xRAM memory density configuration
combination within a memory subsystem product family.
Die
Individual flash or xRAM die used in a stacked package memory device.
High Impedance.
High-Z
Low-Z
Signal is Driven on the bus.
Non-Array
Reads
Flash reads which return flash Device Identifier, CFI Query, Protection Register,
and Status Register information.
Non-Mux I/O
Traditional parallel flash interface where address are not multiplex onto the data
pins. All address and data pins are unique.
Partition
Program
Write
A group of flash blocks that shares common status register read state.
An operation to Write data to the flash array or xRAM.
Bus cycle operation at the inputs of the flash or xRAM die, in which a command or
data are sent to the flash array or xRAM.
Datasheet
6
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
1.2
Acronyms
APS
Automatic Power Savings
EFA
Extended Flash Array
BCR
(PSRAM) Bus Control Register
Buffered Enhanced Factory Programming
(Flash) Configuration Register
Chip Scale Package
Buffered EFP
CR
CSP
MLC
Multi-Level Cell
OTP
One-Time Programmable
Protection Lock Register
Protection Register
PLR
PR
RCR
(PSRAM) Refresh Control Register
Reserved for Future Use
Read-While-Write / Read-While-Erase
Status Register
RFU
RWW / RWE
SR
WSM
Write State Machine
1.3
Conventions
A5
Denotes one element of a signal group, in this case address bit 5.
Logical zero (0).
Clear
DQ[15:0]
F-CE#
Denotes a group of similarly named signals, such as data bus.
Denotes Chip Enable of the flash die, where “F” to denote the specific signal
suffix and “CE#” is the root signal name of the NOR flash die.
P-CE# or
P-CS#
Denotes Chip Enable of the PSRAM die, where “P” to denote the specific signal
suffix and “CE# or CS#” are the root signal name of the PSRAM die. PSRAM
CE# and CS# is used interchangably throughout the document.
S-CS1#
Denotes Chip Enable of the SRAM die, where “S” to denote the specific signal
suffix and “CS1#” is the root signal name of the SRAM die.
Set
Logical one (1).
SR4
VCC
VCC
VSS
A flash status register bit, in this case status register bit 4 of SR[15:0].
Signal or voltage connection.
Signal or voltage level.
Denotes a global power signal of the stacked device. VSS is common to all
memory dies within a stacked memory device.
November 2007
314476-05
Datasheet
7
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
2.0
Functional Overview
2.1
Product Description
The L18 family with synchronous PSRAM stacked product family encompasses multiple
L18 flash memory plus synchronous PSRAM die combinations.
Figure 1 shows the maximum configuration options for L18 non-multiplex I/O
(standard) product and Figure 2 shows the maximum configuration options for L18 AD-
Multiplex I/O product family with synchronous PSRAM internal package connections.
Table 1 on page 10 lists the available L18 flash with synchronous PSRAM stacked
combinations within the L18 stacked device product family.
Figure 1: L18 Product Family with Sync PSRAM Block Diagram
L18 with Sync PSRAM Device Family
Flash Die Options
F1-CE#
F2-CE#
F-RST#
Flash Die #1
(256-Mbit or
128 Mbit)
Flash Die #2
((256-Mbit or
128 Mbit)
F[2:1]-OE#
F-WE#
F-WP#
F-VPP
F3-CE#
WAIT
CLK
Flash Die #3
(256-Mbit)
F[2:1]-VCC
ADV#
VCCQ
VSS
DQ[15:0]
Sync PSRAM Die Options
A[MAX:MIN]
P-VCC
Sync PSRAM Die #1
(64-Mbit or 32-Mbit)
R-WE#
R-OE#
P-CRE
R-UB#
R-LB#
P1-CS#
P2-CS#
Sync PSRAM Die #2
(64-Mbit or 32-Mbit)
Notes:
1.
2.
3.
F2-OE# must be treated as an RFU. However, for compatiblity to future products, F2-OE# can be tied to
F1-OE# or left floated.
F2-VCC must be treated as an RFU. However, for compatibility to future products, F2-VCC can be tied to F1-VCC or left
floated.
See Table 8, “Signal Descriptions” on page 22 for signal description details.
Datasheet
8
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 2: L18 ADMux I/O Interface Product Family with Sync PSRAM Block Diagram
L18 ADMux Family with Sync PSRAM
F1-CE#
F1-OE#
CLK
F-VPP
F1-VCC
F-RST#
Flash Die
256-Mbit or 128-Mbit
(Address/Data Multiplex I/O)
WAIT
ADV#
A/DQ[15:0]
A[MAX:16]
F-WP#
F-WE#
VCCQ
VSS
A[MAX:0]
DQ[15:0]
P-VCC
R-UB#
R-LB#
P-CS#
R-OE#
P-CRE
R-WE#
PSRAM Die
64-Mbit, 32-Mbit or 16-Mbit
(Non-Multiplex I/O)
Notes:
1.
F2-OE# must be treated as an RFU. However, for compatiblity to future products, F2-OE# can be tied to
F1-OE# or left floated.
2.
3.
F2-VCC must be treated as an RFU. However, for compatibility to future products, F2-VCC can be tied to F1-VCC or left
floated.
See Table 8 on page 22 for signal description details.
November 2007
314476-05
Datasheet
9
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
2.2
Available Device Combinations
Table 1:
Available L18 with Synchronous PSRAM Device Combinations
I/O
Package Size
(mm)
Package
Ballout
Flash Type (Mbit)
xRAM Type (Mbit)
32 Sync PSRAM
Voltage
128 L18
128 L18
256 L18
256 L18
8x10x1.2
8x10x1.2
8x11x1.2
8x11x1.4
8x11x1.4
8x11x1.4
11x13x1.4
8x10x1.2
8x10x1.2
8x11x1.2
QUAD+
QUAD+
QUAD+
QUAD+
QUAD+
QUAD+
QUAD+
QUAD+
QUAD+
QUAD+
64 Sync PSRAM
64 Sync PSRAM
64 + 64 Sync PSRAM
64 Sync PSRAM
64 Sync PSRAM
64 + 64 Sync PSRAM
32 Sync PSRAM
64 Sync PSRAM
32 Sync PSRAM
256 +128 L18
1.8 V
256 + 256 L18
256 + 256 L18
128 L18 (ADMux I/O)
128 L18 (ADMux I/O)
256 L18 (ADMux I/O)
Note: For combination not listed here, contact your local Numonyx sales representative for details.
2.3
Device Operation Overview
The following sections describes the bus operations and device state between the flash
and synchronous PSRAM. Bus operations for the L18 stacked device involve the control
of flash and PRAM inputs. The bus operations are shown in Table 2.
Note:
See the Title Discrete Datasheet (order number: Non-Mux I/O, document number
251902 and A/D Mux I/O, document number 313295) for complete descriptions of the
flash modes and commands, command bus-cycle definitions, and flowcharts that
illustrate operational routines not documented in this Datasheet.
Table 2:
Flash and PSRAM Device Bus Operations (Sheet 1 of 2)
Mode
DQ[15:0]
WAIT7
Notes
Synchronous
Array and Non-
Array Read
H
L
L
H
L
X
X
X
H
X
X
X
Flash DOUT
Active
1,2,4
Asynchronous
Read
H
H
H
L
L
L
L
H
L
X
L
X
X
H
H
X
X
X
X
X
X
Flash DOUT Deasserted 1,2,4
VPPL or
VPPH
Write
H
H
Flash DIN
Deasserted 1,2,3
Flash
High-Z
Flash
1,2
Output Disable
Standby
H
X
X
X
X
High-Z
Flash
High-Z
Flash
1,2
H
L
H
X
X
X
X
X
X
X
Any PSRAM mode allowed
High-Z
Flash
High-Z
Flash
1,2
Reset
High-Z
Datasheet
10
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 2:
Flash and PSRAM Device Bus Operations (Sheet 2 of 2)
Mode
DQ[15:0]
WAIT7
Notes
PSRAM
DOUT
Read
X
X
H
H
X
X
X
X
X
X
X
X
L
L
L
L
L
L
L
H
L
L
L
Active
Active
1,2,5,7
1,2,5,7
1,2
Write
H
H
PSRAM DIN
PSRAM
High-Z
PSRAM
High-Z
Output Disable
H
X
PSRAM
High-Z
PSRAM
High-Z
Standby
Any Flash mode allowed
L
H
X
X
X
X
X
X
X
1,2
1,2
PSRAM
High-Z
Low Power
Mode
PSRAM
High-Z
X
Notes:
1.
For flash, do not simultaneously assert F-OE# and F-WE#. For PSRAM, do not simultaneously assert
R-OE# and R-WE#.
2.
3.
X can be VIL or VIH for flash or xRAM inputs; VPPLK, VPPL,or VPPH for F-VPP.
Refer to the latest revision of the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O 251902 and
AD-Mux I/O, 313295) for valid DIN during Flash writes.
4.
5.
Flash CFI query and Status Register accesses, use DQ[7:0] only. All other reads use DQ[15:0].
P-CRE# is low if PSRAM is in standby. P-CRE# is X if PSRAM is in Low-Power mode. See Section 12.0, “PSRAM
Device Operation” on page 50 for more details about Standby and Low Power mode.
WAIT indicates data validity only when in Synchronous mode. Ignore this setting in Asynchronous and Page-mode.
The Flash and Synchronous PSRAM dies share the WAIT signal.
6.
7.
8.
During AD-Mux I/O operation, ADV# must remain deasserted during the data phase.
Table 3:
PSRAM Bus Operation (Sheet 1 of 2)
Operation
Modes
Power
Mode
P-
R-
R-
R-UB#
P-
A19/
State
Read
CLK
ADV#
Addr.
DQ
DOUT
DIN
Notes
CS#
WE#
OE# R-LB# CRE A18
Asynchronous
Active
Active
L
L
L
L
L
L
H
L
L
L
L
L
L
V
V
V
V
Asynchronous
NOR-Flash
Write
X
1,2
Asynchronous
NOR-Flash
LL
RCR
BCR
Set Control
Register
Active
Active
L
L
L
L
L
L
L
H
L
X
L
H
H
X
HL
LL
HL
LH
Fetch
Control
Register
RCR
BCR
Asynchronous
H
X
X
X
X
Asynchronous
Synchronous
NOR-Flash
No
Operation
Standby
/Active
L
L
L
L
H
X
X
H
X
X
H
X
X
X
X
X
L
X
X
X
X
X
High-Z
High-Z
High-Z
3
Asynchronous
Synchronous
NOR-Flash
Deselect
Standby
H
H
Asynchronous
Synchronous
NOR-Flash
Deep
Power
Down
Deep
Power
Down
Synchronous
NOR-Flash
Burst Init
Read
Active L->H
Active L->H
L
L
L
H
X
X
L
L
L
L
V
X
V
X
X
4
Synchronous
NOR-Flash
Burst Read
H
X
DOUT
4,5
Burst Init
Write
Synchronous
Synchronous
Active L->H
Active L->H
L
L
L
L
H
X
X
L
L
V
X
V
X
X
4
4
Burst Write
H
X
X
DIN
November 2007
314476-05
Datasheet
11
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 3:
PSRAM Bus Operation (Sheet 2 of 2)
Operation
Modes
Power
Mode
P-
CS#
R-
WE#
R-
R-UB#
P-
A19/
A18
State
CLK
ADV#
Addr.
DQ
Notes
OE# R-LB# CRE
LL
HL
RCR
BCR
Set Control
Register
Synchronous
Synchronous
Active
Active
L->H
L
L
L
L
H
L
X
L
H
H
X
4
LL
HL
LH
Fetch
Control
Register
RCR
BCR
L->H
L
H
X
4,6
Notes:
1.
The table reflects behavior if R-UB# and R-LB# are asserted low. If only either of the signals, R-UB# or R-LB# is
asserted low only the corresponding data byte will be written (UB# enables DQ15-DQ8, LB# enables DQ7-DQ0).
During a write access invoked by R-WE# set to low the R-OE# signal is ignored.
Power mode of Standby or Active will depend on the internal operation of device at the time.
Clock configuration is rising edge.
Output drivers are controlled by the asynchronous R-OE# control signal.
During the initial command cycle R-OE# is don’t care (X) and subsequent cycles it must be low (L)
2.
3.
4.
5.
6.
2.4
Flash Memory Map and Partitioning
The Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
is available in several density and parameter configurations. The memory map is based
on stacking individual 128-Mbit and 256-Mbit flash die density options, and shows
individual flash die configurations and block/partition allocations. See the following
figures and tables:
• Figure 3, “LQ Family Flash Die Configurations: Top Parameter” on page 13
• Figure 4, “LQ Family Flash Die Configurations: Bottom Parameter” on page 13
• Table 4, “Flash-CE# Assignment and Device Parameter Configuration” on page 14
• Table 5, “One or Two Flash Dies SCSP Memory Map” on page 14
• Table 6, “3-Flash Dies (Top Parameter) SCSP Memory Map” on page 15
• Table 7, “3-Flash Dies (Bottom Parameter) SCSP Memory Map” on page 16
Datasheet
12
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 3: LQ Family Flash Die Configurations: Top Parameter
1-Die
2-Die
3-Die
Parameter Blocks
Die #1
(Top)
Die #1
(Top)
Die #1
(Top)
Main Block
Die #2
(Bottom)
Die #2
(Top)
Die #3
(Bottom)
Figure 4: LQ Family Flash Die Configurations: Bottom Parameter
Parameter Blocks
Die #3
(Top)
Die #2
(Bottom)
Die #2
(Top)
Main Blocks
Die #1
Die #1
Die #1
(Bottom)
(Bottom)
(Bottom)
Parameter Blocks
3-Die
2-Die
1-Die
November 2007
314476-05
Datasheet
13
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 4 shows the flash chip enable assignment within a stacked device, while Table 5
to Table 7 shows an example of the memory map and partitioning information for
combinations with up to three flash dies in the L18 SCSP LQ family with Synchronous
PSRAM.
Table 4:
Flash-CE# Assignment and Device Parameter Configuration
Device
Parameter
Stacked
Combinations
Flash Die #1
Flash Die #2
Flash Die #3
One Flash Die
F1-CE# (Top)
—
F2-CE# (Bottom)
F2-CE# (Top)
—
—
Top Parameter
Two Flash Dies
Three Flash Dies
One Flash Die
F1-CE# (Top)
—
F1-CE# (Top)
F3-CE# (Bottom)
F1-CE# (Bottom)
F1-CE# (Bottom)
F1-CE# (Bottom)
—
—
Bottom
Parameter
Two Flash Dies
Three Flash Dies
F2-CE# (Top)
F2-CE# (Bottom)
F3-CE# (Top)
Table 5:
One or Two Flash Dies SCSP Memory Map
Flash
Block
Size
(KW)
Partition
Size
(Mbit)
128-Mbit Flash
Partition
Size
(Mbit)
256-Mbit Flash
Partitioning
Die
Blk#
Address Range
Blk#
Address Range
Type
16
130
7FC000-7FFFFF
258
FFC000-FFFFFF
Parameter
Partition
16
64
127
126
7F0000-7F3FFF
7E0000-7EFFFF
255
254
FF0000-FF3FFF
FE0000-FEFFFF
8
16
(Partition 0)
64
64
120
119
780000-78FFFF
770000-77FFFF
240
239
F00000-FFFFFF
EF0000-EFFFFF
Main Partitions
(Partition 1-7)
8
8
16
16
64
64
64
63
400000-4FFFFF
3F0000-3FFFFF
128
127
800000-80FFFF
F70000-F7FFFF
Main Partitions
(Partition 8-15)
64
64
0
000000-00FFFF
7F0000-7FFFFF
0
000000-00FFFF
FF0000-FFFFFF
130
258
Main Partitions
(Partition 8-15)
8
8
16
16
64
64
67
66
400000-40FFFF
3F0000-3FFFFF
131
130
100000-10FFFF
7F0000-7FFFFF
Main Partitions
(Partition 1-7)
64
64
11
10
080000-08FFFF
070000-07FFFF
19
18
100000-10FFFF
0F0000-0FFFFF
Parameter
Partition
(Partition 0)
64
16
4
3
010000-01FFFF
00C000-00FFFF
4
3
010000-01FFFF
00C000-00FFFF
8
16
16
0
000000-003FFF
0
000000-003FFF
Datasheet
14
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 6:
3-Flash Dies (Top Parameter) SCSP Memory Map
Flash
Die
Type
Block
Size
(KW)
Partition
Size
(Mbit)
128-Mbit Flash
Partition
Size
(Mbit)
256-Mbit Flash
Partitioning
Blk
Address Range
Blk
Address Range
16
13
7FC000-7FFFFF
258
FFC000-FFFFFF
Parameter Partition
(Partition 0)
16
64
12
12
7F0000-7F3FFF
7E0000-7EFFFF
255
254
FF0000-FF3FFF
FE0000-FEFFFF
8
16
64
64
12
11
780000-78FFFF
770000-77FFFF
240
239
F00000-FFFFFF
EF0000-EFFFFF
Main Partitions
(Partition 1-7)
8
8
16
16
64
64
64
63
400000-4FFFFF
3F0000-3FFFFF
128
127
800000-80FFFF
F70000-F7FFFF
Main Partitions
(Partition 8-15)
64
16
0
000000-00FFFF
7FC000-7FFFFF
0
000000-00FFFF
FFC000-FFFFFF
13
258
Parameter Partition
(Partition 0)
16
64
12
12
7F0000-7F3FFF
7E0000-7EFFFF
255
254
FF0000-FF3FFF
FE0000-FEFFFF
8
16
64
64
12
11
780000-78FFFF
770000-77FFFF
240
239
F00000-FFFFFF
EF0000-EFFFFF
Main Partitions
8
8
16
16
(Partition 1 to 7)
64
64
64
63
400000-4FFFFF
3F0000-3FFFFF
128
127
800000-80FFFF
F70000-F7FFFF
Main Partitions
(Partition 8 to 15)
64
64
0
000000-00FFFF
7F0000-7FFFFF
0
000000-00FFFF
FF0000-FFFFFF
13
258
Main Partitions
(Partition 8 to 15)
8
8
16
16
64
64
67
66
400000-40FFFF
3F0000-3FFFFF
131
130
100000-10FFFF
7F0000-7FFFFF
Main Partitions
(Partition 1 to 7)
64
64
11
10
080000-08FFFF
070000-07FFFF
19
18
100000-10FFFF
0F0000-0FFFFF
Parameter Partition
(Partition 0)
64
16
4
3
010000-01FFFF
00C000-00FFFF
4
3
010000-01FFFF
00C000-00FFFF
8
16
16
0
000000-003FFF
0
000000-003FFF
November 2007
314476-05
Datasheet
15
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 7:
3-Flash Dies (Bottom Parameter) SCSP Memory Map
Flash
Die
Type
Block
Size
(KW)
Partition
Size
(Mbit)
128-Mbit Flash
256-Mbit Flash
Partition
Size (Mbit)
Partitioning
Blk
Address Range
Blk
Address Range
16
130
7FC000-7FFFFF
25
FFC000-FFFFFF
Parameter Partition
(Partition 0)
16
64
127
126
7F0000-7F3FFF
7E0000-7EFFFF
25
25
FF0000-FF3FFF
FE0000-FEFFFF
8
16
64
64
120
119
780000-78FFFF
770000-77FFFF
24
23
F00000-FFFFFF
EF0000-EFFFFF
Main Partitions
8
8
16
16
(Partition 1 to 7)
64
64
64
63
400000-4FFFFF
3F0000-3FFFFF
12
12
800000-80FFFF
F70000-F7FFFF
Main Partitions
(Partition 8 to 15)
64
64
0
000000-00FFFF
7F0000-7FFFFF
0
000000-00FFFF
FF0000-FFFFFF
130
25
Main Partitions
(Partition 8 to 15)
8
8
16
16
64
64
67
66
400000-40FFFF
3F0000-3FFFFF
13
13
100000-10FFFF
7F0000-7FFFFF
Main Partitions
(Partition 1 to 7)
64
64
11
10
080000-08FFFF
070000-07FFFF
11
10
080000-08FFFF
070000-07FFFF
Parameter Partition
(Partition 0)
64
16
4
3
010000-01FFFF
00C000-00FFFF
4
3
010000-01FFFF
00C000-00FFFF
8
16
16
64
0
000000-003FFF
7F0000-7FFFFF
0
000000-003FFF
FF0000-FFFFFF
130
25
Main Partitions
(Partition 8 to 15)
8
8
16
16
64
64
67
66
400000-40FFFF
3F0000-3FFFFF
13
13
100000-10FFFF
7F0000-7FFFFF
Main Partitions
(Partition 1 to 7)
64
64
11
10
080000-08FFFF
070000-07FFFF
19
18
100000-10FFFF
0F0000-0FFFFF
Parameter Partition
(Partition 0)
64
16
4
3
010000-01FFFF
00C000-00FFFF
4
3
010000-01FFFF
00C000-00FFFF
8
16
16
0
000000-003FFF
0
000000-003FFF
Datasheet
16
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
3.0
Device Package Information
Figure 5: Mechanical Specifications for QUAD+ Ballout Package (8x10x1.2 mm)
A1 Index
Mark
S1
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
S2
A
A
B
C
D
B
C
D
E
F
E
F
D
e
G
H
G
H
J
J
K
K
L
L
M
M
b
E
Top View - Ball
Down
Bottom View - Ball Up
A
A2
A1
Y
Drawing not to scale.
Millimeters
Nom
Inches
Nom
Dimens ions
Package Height
Ball Height
Package Body Thickness
Ball (Lead) Width
Package Body Length
Package Body Width
Pitch
Symbol
Min
Max Notes
1.200
Min
Max
0.0472
A
A1
A2
b
D
E
0.200
0.0079
0.860
0.375
10.000
8.000
0.800
88
0.0339
0.0148
0.3937
0.3150
0.0315
88
0.325
9.900
7.900
0.425
10.100
8.100
0.0128
0.3898
0.3110
0.0167
0.3976
0.3189
e
N
Ball (Lead) Count
Seating Plane Coplanarity
Corner to Ball A1 Distance Along E
Corner to Ball A1 Distance Along D
Y
S1
S2
0.100
1.300
0.700
0.0039
0.0512
0.0276
1.100
0.500
1.200
0.600
0.0433
0.0197
0.0472
0.0236
November 2007
314476-05
Datasheet
17
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 6: Mechanical Specifications for QUAD+ Ballout Package (8x11x1.2 mm)
A1 Index
Mark
S1
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
S2
A
A
B
C
D
B
C
D
E
F
E
F
D
e
G
H
G
H
J
J
K
K
L
L
M
M
b
E
Bottom View - Ball Up
Top View - Ball Down
A2
A1
A
Y
Drawing not to scale.
Millimeters
Nom
Inches
Nom
Dimensions
Symbol
Min
Max Notes
Min
Max
Package Height
Ball Height
A
A1
A2
b
D
E
1.200
0.0472
0.200
0.325
0.0079
Package Body Thickness
Ball (Lead) Width
Package Body Length
Package Body Width
Pitch
Ball (Lead) Count
Seating Plane Coplanarity
Corner to Ball A1 Distance Along E
Corner to Ball A1 Distance Along D
0.860
0.375
0.0339
0.0148
0.4331
0.3150
0.0315
88
0.425
0.0128
0.4291
0.3110
0.0167
0.4370
0.3189
10.900 11.000 11.100
7.900
8.000
0.800
88
8.100
e
N
Y
S1
S2
0.100
1.300
1.200
0.0039
0.0512
0.0472
1.100
1.000
1.200
1.100
0.0433
0.0394
0.0472
0.0433
Datasheet
18
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 7: Mechanical Specifications for QUAD+ Ballout Package (8x11x1.4 mm)
S1
A1 Index
Mark
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
S2
A
B
C
D
E
F
A
B
C
D
E
F
D
e
G
G
H
H
J
J
K
K
L
L
M
M
b
E
Top View - Ball Down
Bottom View - Ball Up
A
A2
A1
Y
Drawing not to scale.
Millimeters
Nom
Inches
Nom
Dimensions
Package Height
Ball Height
Package Body Thickness
Ball (Lead) Width
Package Body Length
Package Body Width
Pitch
Ball (Lead) Count
Seating Plane Coplanarity
Corner to Ball A1 Distance Along E
Corner to Ball A1 Distance Along D
Symbol
Min
Max Notes
1.400
Min
Max
0.0551
A
A1
A2
b
D
E
e
N
Y
S1
S2
0.200
0.0079
1.070
0.375
11.000
8.000
0.800
88
0.0421
0.0148
0.4331
0.3150
0.0315
88
0.325
10.900
7.900
0.425
11.100
8.100
0.0128
0.4291
0.3110
0.0167
0.4370
0.3189
0.100
1.300
1.200
0.0039
0.0512
0.0472
1.100
1.000
1.200
1.100
0.0433
0.0394
0.0472
0.0433
November 2007
314476-05
Datasheet
19
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 8: Mechanical Specifications for QUAD+ Ballout Package (11x13x1.4 mm)
S1
A1 Index
Mark
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
S2
A
B
C
D
E
F
A
B
C
D
E
F
D
e
G
G
H
J
H
J
K
K
L
L
M
M
b
E
Bottom View - Ball Up
A
Top View - Ball Down
A2
A1
Y
Drawing not to scale.
Millimeters
Nom
Inches
Nom
Dimensions
Package Height
Ball Height
Package Body Thickness
Ball (Lead) Width
Package Body Length
Package Body Width
Pitch
Ball (Lead) Count
Seating Plane Coplanarity
Corner to Ball A1 Distance Along E
Corner to Ball A1 Distance Along D
Symbol
Min
Max Notes
1.400
Min
Max
0.0551
A
A1
A2
b
D
E
e
N
Y
S1
S2
0.200
0.0079
1.070
0.375
13.000
11.000
0.800
88
0.0421
0.0148
0.5118
0.4331
0.0315
88
0.325
12.900
10.900
0.425
13.100
11.100
0.0128
0.5079
0.4291
0.0167
0.5157
0.4370
0.100
2.800
2.200
0.0039
0.1102
0.0866
2.600
2.000
2.700
2.100
0.1024
0.0787
0.1063
0.0827
Note: For other mechanical drawings not shown in this document, contact your local Numonyx sales representative for additional
details.
Datasheet
20
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
4.0
Ballout and Signal Descriptions
4.1
Device Signal Ballout
Figure 9: QUAD+ Ballout
Pin 1
1
2
3
4
5
6
7
8
A
B
C
D
E
F
DU
A4
DU
DU
DU
A
B
C
D
E
F
A18
R-LB#
A17
A19
A23
VSS
VSS
F1-VCC
S-CS2
R-WE#
ADV#
F-WE#
DQ5
F2-VCC
CLK
A21
A22
A11
A12
A5
A3
A24
F-VPP
F-WP#
F-RST#
DQ10
DQ3
P1-CS#
A20
A9
A13
A2
A7
A25
A10
A15
A1
A6
R-UB#
DQ2
A8
A14
A16
G
H
J
A0
DQ8
DQ13
DQ14
DQ6
WAIT
DQ7
DQ15
VCCQ
VSS
F2-CE#
F2-OE#
VCCQ
G
H
J
R-OE#
S-CS1#
F1-CE#
VSS
DQ0
DQ1
DQ12
DQ4
F1-OE#
P2-CS#
VSS
DQ9
DQ11
S-VCC
F1-VCC
P-Mode# /
P-CRE
F3-CE#
VCCQ
P-VCC
VSS
F2-VCC
VSS
K
L
K
L
VSS
DU
DU
DU
DU
M
M
1
2
3
4
5
6
7
8
Top View - Ball Side Down
Legend:
Active Signals
De-Populated Balls
Do Not Use
Note: See Figure 1, “L18 Product Family with Sync PSRAM Block Diagram” on page 8 for electrical
connections details.
November 2007
314476-05
Datasheet
21
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
4.2
Signal Descriptions
Table 8:
Signal Descriptions (Sheet 1 of 3)
Note
s
Symbol
Type
Signal Descriptions
Address and Data Signals, Non-Mux
ADDRESS: Global device signals.
Shared address inputs for all memory die during Read and Write operations.
•
•
•
•
•
•
256-Mbit: AMAX = A23
128-Mbit: AMAX = A22
64-Mbit: AMAX = A21
A[MAX:0]
DQ[15:0]
Input
1
32-Mbit: AMAX = A20
A0 is the lowest-order word address.
Unused address inputs should be treated as RFU.
Note: During AD-Mux I/O operation, L18 A[MAX:16] can be treated as a NC pins, but CL will
exist on the pins.
DATA INPUT/OUTPUTS: Global device signals.
Input /
Output
Inputs data and commands during Write cycles, outputs data during Read cycles. Data signals are
High-Z when the device is deselected or its output is disabled.
Address and Data Signals, A/D-Mux
ADDRESS-DATA MULTIPLEXED INPUTS/ OUTPUTS: AD-Mux I/O flash signals.
During AD-Mux Read cycles, DQ[15:0] are used to input the lower address followed by read-data
output. During AD-Mux Write cycles, DQ[15:0] are used to input the lower address followed by
commands or data.
Input /
Output
DQ[15:0]
1
•
•
DQ[15:0] are High-Z when the device is deselected or its output is disabled.
DQ[15:0] is only used with AD-Mux I/O flash device.
Control Signals
ADDRESS VALID: Flash- and Synchronous PSRAM-specific signal; low-true input.
During a synchronous read operation, the address is latched on the rising edge of ADV# or on the
next valid CLK edge with ADV# low, whichever occurs first.
•
•
•
In an asynchronous flash read operation, the address is latched on the rising edge of ADV#,
or continuously flows through while ADV# is low.
During a synchronous flash Read operation, the address is latched on the rising edge of ADV#
or the first active CLK edge whichever occurs first. .
During synchronous PSRAM read and synchronous write modes, the address is either latched
on the first rising clock edge after ADV# assertion or on the rising edge of ADV# whichever
edge occurs first. In asynchronous read and asynchronous write modes, ADV# can be used to
latch the address, but can be held low for the entire operation as well.
ADV#
Input
Note: During AD-Mux I/O operation, ADV# must remain deasserted during the data phase.
FLASH CHIP ENABLE: Flash-specific signal; low-true input.
When low, F-CE# selects the associated flash memory die. When high, F-CE# deselects the
associated flash die. Flash die power is reduced to standby levels, and its data and F-WAIT outputs
are placed in a High-Z state.
F[3:1]-
CE#
Input
Input
•
•
F1-CE# is dedicated to flash die #1.
F[3:2]-CE# are dedicated to flash die #3 through #2, respectively, if present. Otherwise, any
unused flash chip enable should be treated as RFU.
CLOCK: Flash- and Synchronous PSRAM-specific input signal.
CLK synchronizes the flash and/or synchronous PSRAM with the system clock during synchronous
operations.
CLK
Datasheet
22
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 8:
Signal Descriptions (Sheet 2 of 3)
Note
s
Symbol
Type
Signal Descriptions
FLASH OUTPUT ENABLE: Flash-specific signal; low-true input.
When low, F-OE# enables the output drivers of the selected flash die. When high, F-OE# disables
the output drivers of the selected flash die and places the output drivers in High-Z.
F[2:1]-
OE#
Input
•
F2-OE# common to all other flash dies, if present. Otherwise it is an RFU, however, it is highly
recommended to always common F1-OE# and F2-OE# on the PCB.
RAM OUTPUT ENABLE: PSRAM- and SRAM-specific signal; low-true input.
When low, R-OE# enables the output drivers of the selected memory die. When high, R-OE#
disables the output drivers of the selected memory die and places the output drivers in High-Z if
present. Otherwise it is an RFU.
R-OE#
Input
Input
3
FLASH RESET: Flash-specific signal; low-true input.
When low, F-RST# resets internal operations and inhibits writes. When high, F-RST# enables
normal operation.
F-RST#
WAIT: Flash- and Synchronous PSRAM-specific signal; configurable true-level output.
When asserted, WAIT indicates invalid output data. When deasserted, WAIT indicates valid output
data.
•
•
•
WAIT is driven whenever the flash or the synchronous PSRAM is selected and its output enable
is low.
WAIT
Output
WAIT is High-Z whenever flash or the synchronous PSRAM is deselected, or its output enable
is high.
Flash and PSRAM must configure the WAIT RCR bit to be the same true-level state.
FLASH WRITE ENABLE: Flash-specific signal; low-true input.
F-WE#
R-WE#
F-WP#
Input
Input
Input
When low, F-WE# enables Write operations for the enabled flash die. Address and data are latched
on the rising edge of F-WE#.
RAM WRITE ENABLE: PSRAM- and SRAM-specific signal; low-true input.
When low, R-WE# enables Write operations for the selected memory die. Data is latched on the
rising edge of R-WE# if present. Otherwise it is an RFU.
3
FLASH WRITE PROTECT: Flash-specific signals; low-true inputs.
When low, F-WP# enables the Lock-Down mechanism. When high, F-WP# overrides the Lock-
Down function, enabling locked-down blocks to be unlocked with the Unlock command.
PSRAM CONTROL REGISTER ENABLE: Synchronous PSRAM-specific signal; high-true input.
When high, P-CRE enables access to the PSRAM Refresh Control Register (P-RCR) or Bus Control
Register (P-BCR). When low, P-CRE enables normal Read or Write operations if present. Otherwise
it is an RFU.
P-CRE
Input
Input
2
2
PSRAM MODE#: Asynchronous only PSRAM-specific signal; low-true input.
When low, P-MODE# enables access to the PSRAM configuration register, and to enter or exit Low-
Power mode. When high, P-MODE# enables normal Read or Write operations if present. Otherwise
it is an RFU.
P-MODE#
PSRAM CHIP SELECT: PSRAM-specific signal; low-true input.
When low, P-CS# selects the associated PSRAM memory die. When high, P-CS# deselects the
associated PSRAM die. PSRAM die power is reduced to standby levels, and its data and WAIT
outputs are placed in a High-Z state.
P[2:1]-
CS#
Input
3
•
•
P1-CS# is dedicated to PSRAM die #1 if present. Otherwise it is an RFU.
P2-CS# is dedicated to PSRAM die #2 if present. Otherwise it is an RFU.
SRAM CHIP SELECTS: SRAM-specific signals; S-CS1# low-true input, S-CS2 high-true input.
S-CS1#
S-CS2
When both S-CS1# and S-CS2 are asserted, the SRAM die is selected. When either S-CS1# or
S-CS2 is deasserted, the SRAM die is deselected.
Input
Input
3
3
•
S-CS1# and S-CS2 are dedicated to SRAM if present. Otherwise it is an RFU.
RAM UPPER/LOWER BYTE ENABLES: PSRAM- and SRAM-specific signals; low-true inputs.
R-UB#
R-LB#
When low, R-UB# enables DQ[15:8] and R-LB# enables DQ[7:0] during PSRAM or SRAM Read and
Write cycles. When high, R-UB# masks DQ[15:8] and R-LB# masks DQ[7:0] if present. Otherwise
it is an RFU.
Power Signals
FLASH PROGRAM/ERASE VOLTAGE: Flash specific.
F-VPP supplies program or erase power to the flash die.
F-VPP
Power
November 2007
314476-05
Datasheet
23
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 8:
Signal Descriptions (Sheet 3 of 3)
Note
s
Symbol
Type
Signal Descriptions
FLASH CORE POWER SUPPLY: Flash specific.
F[2:1]-
VCC
Power
•
•
F[2:1]-VCC supplies the core power to the flash dies.
F2-VCC is recommended to be tied to F1-VCC, else it is an RFU.
I/O POWER SUPPLY: Global device I/O power.
VCCQ supplies the device input/output driver voltage.
VCCQ
P-VCC
S-VCC
VSS
Power
Power
Power
PSRAM CORE POWER SUPPLY: PSRAM specific.
P-VCC supplies the core power to the PSRAM die if present. Otherwise it is an RFU.
3
3
SRAM POWER SUPPLY: SRAM specific.
S-VCC supplies the core power to the SRAM die if present. Otherwise it is an RFU.
DEVICE GROUND: Global ground reference for all signals and power supplies.
Connect all VSS balls to system ground. Do not float any VSS connections.
Groun
d
DO NOT USE:
DU
—
—
This ball should not be connected to any power supplies, signals, or other balls. This ball can be
left floating.
RESERVED for FUTURE USE:
Reserved by Numonyx for future device functionality and enhancement. This ball must be left
floating.
RFU
Notes:
1.
2.
Only used when AD-Mux I/O flash is present
P-CRE and P-Mode share the same package ball location. Only one signal function is available, depending on the stacked
device combination.
3.
Only available on stacked device combinations with PSRAM, and/or SRAM die. Otherwise, it should be treated as RFU.
Datasheet
24
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
5.0
Maximum Ratings and Operating Conditions
5.1
Device Absolute Maximum Ratings
Warning:
Stressing the device beyond the Absolute Maximum Ratings may cause permanent
damage. These are stress ratings only.
Table 9:
Device Absolute Maximum Ratings
Parameter
Min
Max
Unit
Notes
Device Case Temperature Under Bias
Storage Temperature
–25
–55
+85
°C
°C
+125
Voltage On Any Signal
(Except for F-VCC, F-VPP, P-VCC, VCCQ, and S-VCC
–0.2
2.25
V
1,3
)
F-VCC Voltage
–0.2
–0.2
–0.2
—
+2.45
+2.45
+10.0
+50
V
V
1,2
1,3
1,4
5
V
CCQ, P-VCC, and Optional S-VCC Voltage
F-VPP Voltage
SH (Output Short Circuit Current)
V
I
mA
Notes:
1.
2.
Voltage is referenced to VSS.
During power transitions, minimum DC voltage may undershoot to –2.0 V for periods < 20 ns; maximum DC voltage
may overshoot to VCC (operating max) + 2.0 V for periods < 20 ns.
3.
4.
5.
During power transitions, minimum DC voltage may undershoot to –1.0 V for periods < 20 ns; maximum DC voltage
may overshoot to VCCQ (operating max) + 1.0 V for periods < 20 ns.
During power transitions, minimum DC voltage may undershoot to –2.0 V for periods < 20 ns; maximum DC voltage
may overshoot to VPPH (operating max) + 2.0 V for periods < 20 ns.
Output shorted for no more than one second. No more than one output shorted at a time.
5.2
Device Operating Conditions
Warning:
Operation beyond the Operating Conditions is not recommended and extended
exposure may affect device reliability.
Table 10: Device Operating Conditions
Flash + xRAM
Test
Symbol
Parameter
Unit
Condition
Min
Max
+85
TC
Device Case Operating Temperature
Flash Supply Voltage
—
—
–25
°C
V
F-VCC
+1.7
+2.0
Flash and PSRAM I/O Voltage
PSRAM and SRAM Supply Voltage
VCCQ, P-VCC, S-VCC
—
+1.7
+1.95
V
F-VPP (Flash Programming Voltage Supply,
Logic Level)
VPPL
VPPH
—
—
–0.9
+8.5
+2.0
+9.5
V
V
F-VPP (Flash Factory Word Programming
Voltage Supply)
VPP = VCC
100,000
—
—
Cycles
Cycles
Block Erase Cycles
Flash Main Array and EFA Blocks
VPP = VPPH
1000
Note: In typical operation, the F-VPP program voltage is VPPL. F-VPP can be connected to 8.5 V - 9.5 V for a maximum of 80
cumulative hours or 1000 cycles on the main array blocks.
November 2007
314476-05
Datasheet
25
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
5.3
Device Power-Up/Down
5.3.1
Flash Power and Reset Specifications
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information.
5.3.2
PSRAM Power-Up Sequence and Initialization
The power-on and initialization sequence ensures that the device is properly
preconditioned to operate as expected. Like conventional DRAMs, the PSRAM must be
powered up and initialized in a predefined manner. VCC and VCCQ must be applied at
the same time to the specified voltage while the input signals are held in a deselected
state (CS# = High).
After power on, an initial pause of 150 µs is required prior to the control register access
or normal operation. Failure to follow these steps may lead to unpredictable behavior.
The default operation mode after power up is the asynchronous (SRAM) mode.
Figure 10: PSRAM Timing Waveform for Power-Up Sequence
P-Vcc MIN
P-VCC/
VCCQ
μs
tPU >= 150
P-CS#
Device Initialization
Device ready for normal operation
Datasheet
26
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
6.0
Device Electrical Specifications
The DC current and voltage characteristics referenced in this document are for
individual memory die type within the SCSP device. The total current for each
parameter is determined by sum of the current for each memory die type specification
within the SCSP device.
NOTICE: Individual DC Characteristics of all dies in a SCSP device must be considered accordingly,
depending on the SCSP device stacked combinations and operations.
6.1
6.2
Flash DC Operating Characteristics
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information.
Synchronous PSRAM DC Operating Characteristics
Synchronous PSRAM DC operating characteristics are shown in Table 11 and Table 12.
Table 11: PSRAM DC Characteristics
Test
Conditions
Parameter
Description
Density
Min
Typ
Max
Unit Notes
VCC
VCCQ
VIH
VIL
Supply Voltage range
I/O Supply Voltage range
Input High Voltage
—
—
—
—
1.7
1.8
1.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1.95
V
1.7
1.95
V
V
1
VCCQ - 0.4
VCCQ + 0.2
Input Low Voltage
-0.2
0.4
V
VOH
VOL
IIL
Output High Voltage
Output Low Voltage
Input Leakage Current
Output Leakage Current
IOH = -0.2 mA
0.8 x VCCQ
—
V
IOL = 0.2 mA
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.2 x VCCQ
V
—
—
1
1
μA
μA
IOL
32Mb
64Mb
32Mb
64Mb
32Mb
64Mb
32Mb
64Mb
32Mb
64Mb
32Mb
64Mb
32Mb
64Mb
20
25
15
15
25
35
35
15
35
15
110
140
70
70
VIN = VCC or
VSS; IOUT = 0
ICC1
ICC1P
ICC4R
ICC4W
ICC5
Async Random Read/Write @ TRCMin
Async Page Read
mA
mA
mA
mA
mA
μA
VIN = VCC or
VSS; IOUT = 0
VIN = VCC or
VSS; IOUT = 0
Synchronous Burst Read (continuous)
Synchronous Burst Write (continuous)
Burst Initial Access
VIN = VCC or
VSS; IOUT = 0
VIN = VCC or
VSS; IOUT = 0
V
IN = VCC or
VSS; P-CS# =
Deselected
Standby Current
(Full Array Refresh)
ICC2
V
IN = VCC or
VSS; P-CS# =
Deselected
ICC3
Deep Power-Down
μA
Note: VCCQ is not allowed to be outside of P-VCC ± 0.2 V except during power-up situation to avoid unnecessary current flow.
November 2007
314476-05
Datasheet
27
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 12: PSRAM Partial-Array Self-Refresh (Typical) Current
Typical Standby Current (μA)
Density
Active Array
85 oC
70 o
C
45 o
C
15 oC
Full
1/2
1/4
1/8
0
70
60
65
55
50
45
35
50
45
40
40
30
85
45
40
35
35
25
70
70
70
70
70
32-Mbit
55
50
40
Full
1/2
1/4
1/8
0
120
115
110
105
70
105
TBD
TBD
TBD
70
TBD
TBD
TBD
70
64-Mbit
Note: On-chip temperature sensor is used for temperature-compensated self-refresh, therefore the standby current values at
70, 45 and 15 °C are for reference only.
6.3
Device AC Test Conditions
Figure 11: Device Transient Equivalent Testing Load Circuit
ZO = 50 Ohms
I/O
Output
CL
30pf
=
50
Ohms
VCCQ/2
Notes:
1.
2.
Test configuration component value for worst case speed conditions.
CL includes jig capacitance.
6.3.1
Flash Die Capacitance
Table 13: L18 Individual Die Capacitance
Symbol
CIN
COUT
Parameter
Min
Max
Unit
Condition
Input Capacitance
(Address, CLK, F-CE#, F-OE#, ADV#, WE#, F-WP#)
6
8
8
pF
pF
VIN = 0.0 V to 1.8 V
VOUT = 0.0 V to 1.8 V
Output Capacitance (Data and WAIT)
10
Note: Sampled, not 100% tested. TC = 25 °C, f = 1 MHz.
Datasheet
28
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
6.3.2
Synchronous PSRAM Die Capacitance
Table 14: Synchronous PSRAM Individual Die Capacitance
Symbol
Parameter
Min
Max
Unit
Condition
Input Capacitance
CIN
—
6.5
pF
VIN = 0.0 V
(Address, CLK, P-CS#, R-OE#, ADV#, WE#, R-UB#, R-LB#)
COUT
CI/O
Output Capacitance (WAIT)
—
—
6.5
6.5
pF
pF
VOUT = 0.0 V
VOUT = 0.0 V
Input/Output Capacitance (DQ)
Note: Sampled, not 100% tested. TC = 25 °C, f = 1 MHz.
November 2007
314476-05
Datasheet
29
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
7.0
Flash AC Characteristics
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information about the following:
• Flash AC Read Specifications
• Flash AC Write Specifications
• Flash Program and Erase Characteristics
Datasheet
30
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
8.0
Synchronous PSRAM AC Characteristics
The figures and tables below shows the PSRAM AC characteristics. All timing
parameters are measured with the default output drive strength (half drive strength).
8.1
PSRAM Asynchronous Read
Table 15: PSRAM AC Characteristics—Asynchronous Read
85 ns PSRAM
70 ns PSRAM
Symbol
Parameter
Units
Notes
Min
Max
Min
Max
tRC
tAA
tAADV
tPC
Read Cycle Time
85
—
—
25
—
—
—
—
6
—
85
85
—
25
—
—
—
—
85
85
20
10
—
8
70
—
—
20
—
5
—
70
70
—
20
—
—
—
—
70
70
20
4
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
1
Address Access Time
ADV# Access Time
1
Page Address Cycle Time
Page Address Access Time
Address Hold from ADV# High
Address Setup to ADV# High
CE# Low to ADV# High
1,5
1,5
1,3
1,3
1,3
1
tPAA
tAVH
tAVS
tCVS
tOH
10
10
5
Output Hold from Address Change
CE# Access Time
tCO
—
—
—
—
10
0
—
—
—
—
6
1
tBA
UB#, LB# Access Time
1
tOE
OE# to Valid Output Data
CE# Pulse Width Low Time
CE# Low to Output Low-Z
CE# High to Output High-Z
UB#, LB# Low to Output Low-Z
UB#, LB# High to Output High-Z
OE# Low to Output Low-Z
OE# High to Output HIgh-Z
ADV# Pulse Width Low
1
tCSL
tLZ
1,2
1
—
8
tHZ
0
1
tBLZ
tBHZ
tOLZ
tOHZ
tVP
10
—
5
—
8
6
—
8
1
0
1
—
—
—
—
—
—
—
—
3
—
8
1
0
0
1
—
10
15
—
—
—
10
10
10
0
—
—
—
—
10
2
1,3
1,3
1
tVPH
tCPH
tCRES
tASKEW
tASKEWP
ADV# Pulse Width High
UB#, LB# and CE# Pulse Width High
CRE Setup to CE# Low
1
Address Skew (Non-Page Access)
Page Mode Access Address Skew [A3:A0]
—
—
1,4
1,5
Notes:
1.
2.
3.
4.
5.
Timing parameters are at the default output drive strength (half drive strength).
tCSL max limit applies during asynchronous reads when page mode is enabled.
Applies to ADV# controlled Asynchronous Read operations.
Applies when control signals (ADV#, CS#, UB#/LB#) are active.
When operating the PSRAM as an ADMux I/O interface, Page-Mode operation is not available.
November 2007
314476-05
Datasheet
31
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 12: Address Skew for Asynchronous Operations
tASKEW
Address
ADV# (case 1)
tASKEW
tASKEW
tASKEW
tASKEW
CE# (case 1)
ADV# (case 2)
CE# (case 2)
Figure 13: PSRAM Asynchronous Single-Word Read
tRC
tAA
A[MAX:0]
tAADV
ADV#
tCO
tCPH
CE#
OE#
WE#
tBA
tCPH
UB#/LB#
tOLZ
tOE
tBLZ
tLZ
tBHZ
tHZ
tOHZ
DQ[15:0]
Note: WAIT is configured for active-low polarity.
Datasheet
32
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 14: Asynchronous Address-controlled Read
tRC
A[MAX:0]
DQ[15:0]
ADDRESS
tAA
tOH
Previous Data
Data Valid
Note: CE# = OE# = UB# =LB# = CRE = Low; WE# = High
Figure 15: PSRAM Asynchronous Page-Mode Read
A[MAX:0]
ADDRESS
tRC
tAA
tPC
A3-A0
ADV#
P-CS#
ADDRESS
ADDR
ADDR
ADDR
ADDR
tVPH
tAADV
tOH
tCO
tCSL
tHZ
tBHZ
tBLZ
R-UB#, R-LB#
R-WE#
R-OE#
tOLZ
tLZ
tOH
Data
tPAA
Data
tOHZ
Data
Data
Data
Data
tCEW
WAIT
deasserted
Note: When operating the PSRAM as an ADMux I/O interface by connecting the lower sixteen (16) addresses, A[15:0], to the
data pins, Page-Mode operation cannot be used.
November 2007
314476-05
Datasheet
33
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 16: PSRAM Asynchronous Control Register Read
tRC
tAA
A[19:18]
A[MAX:20,17:0]
tCRES
CRE
tAADV
tCO
ADV#
tCPH
CE#
OE#
WE#
tBA
tCPH
UB#/LB#
tOLZ
tOE
tBLZ
tLZ
tBHZ
tHZ
tOHZ
DQ[15:0]
8.2
PSRAM Asynchronous Write
The figures and tables below shows the PSRAM AC characteristics. All timing
parameters are measured with the default output drive strength (half drive strength).
Table 16: PSRAM AC Characteristics—Asynchronous Write (Sheet 1 of 2)
85 ns PSRAM
70 ns PSRAM
Symbol
Parameter
Units
Notes
Min
Max
Min
Max
tWC
tAS
Write Cycle Time
85
0
—
—
—
—
10
—
—
—
—
—
—
—
—
—
—
70
0
—
—
—
—
4
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Address Setup Time
tAW
tWR
tCSL
tCW
tVPH
tVP
Address Valid to End of Write
Write Recovery
85
0
70
0
CE# Pulse Width Low Time
CE# to End of Write
—
85
7
—
70
10
10
5
—
—
—
—
—
—
—
—
—
—
ADV# Pulse Width High
ADV# Pulse Width Low
Address Hold from ADV# High
Address Setup to ADV# High
CE# Low to ADV# High
ADV# Setup to End of Write
UB#, LB# Setup to End of Write
WE# Pulse Width Low
2
2
2
2
2
6
tAVH
tAVS
tCVS
tVS
5
10
—
85
85
45
15
10
10
70
70
46
10
tBW
tWP
1
tWPH
WE# Pulse Width High
Datasheet
34
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 16: PSRAM AC Characteristics—Asynchronous Write (Sheet 2 of 2)
85 ns PSRAM
70 ns PSRAM
Symbol
Parameter
Units
Notes
Min
Max
Min
Max
tCPH
tWHZ
tOW
UB#, LB# and CE# Pulse Width High
Write Enable Low to Output High-Z
End of Write to Output Low-Z
Write Data Setup Time
15
0
—
10
—
—
—
—
—
—
10
—
5
—
8
ns
ns
ns
ns
ns
ns
ns
ns
5
—
—
—
—
—
10
tDW
20
0
23
0
tDH
Write Data Hold Time
tCRES
tCREH
tASKEW
CRE SetupTime to CE# and WE# Low
CRE Hold Time From WE# High
Address Skew (Non-Page Access)
5
0
4
4
3
0
0
—
—
Notes:
1.
2.
3.
4.
WE# Low time must be limited to tCSL Max.
For ADV# controlled Async Write operation.
Applies when control signals (ADV#, CE#, UB#, LB#) are Active.
For ADV# controlled write tAVS and tAVH apply to CRE signal instead of tCRES and tCREH
.
Figure 17: PSRAM Asynchronous WE# controlled Write
tWC
tAW
tWR
A[MAX:0]
tVS
ADV#
tCW
CE#
tWP
tAS
tWPH
WE#
tBW
UB#/LB#
tWHZ
tBLZ
tLZ
tDH
tOW
tDW
DQ[15:0]
November 2007
314476-05
Datasheet
35
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 18: PSRAM Asynchronous CE# controlled Write
tWC
tAW
tWR
A[MAX:0]
ADV#
tVS
tCW
tAS
tCPH
CE#
WE#
tWP
tBW
UB#/LB#
tWHZ
tBLZ
tLZ
tDW
tDH
DQ[15:0]
Figure 19: PSRAM Asynchronous UB#/LB# controlled Write
tWC
tAW
tWR
A[MAX:0]
tVS
ADV#
tCW
tAS
CE#
tWP
WE#
tBW
tCPH
tDH
UB#/LB#
tWHZ
tBLZ
tLZ
tDW
DQ[15:0]
Datasheet
36
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 20: PSRAM Asynchronous ADV# controlled Write
tAW
A[MAX:0]
tAVS
tVP
tAVH
tVPH
tVS
ADV#
CE#
tCW
tCPH
tAS
tWP
WE#
tBW
UB#/LB#
tWHZ
tBLZ
tLZ
tDW
tDH
DQ[15:0]
Figure 21: PSRAM Asynchronous Control Register Write
tWC
tAW
tWR
A[MAX:0]
tCRES
CRE
tVS
ADV#
tCW
tAS
tCPH
CE#
tAS
tWP
tCREH
WE#
UB#/LB#
DQ[15:0]
8.3
PSRAM Synchronous Read and Write
The figures and tables below shows the PSRAM AC characteristics. All timing
parameters are measured with the default output drive strength (half drive strength).
November 2007
314476-05
Datasheet
37
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 17: PSRAM AC Characteristics—Synchronous Read and Write
Symbol
Parameter
Min
Max
Units
Notes
fCLK2
fCLK6
tCLK2
tCLK6
tCKH
tCKL
tT
CLK Frequency (Variable Latency = 2)
CLK Frequency (Fixed Latency = 6)
CLK Period (Variable Latency = 2)
CLK Period (Fixed Latency = 6)
CLK High Time
—
—
18.5
18.5
4
54
54
—
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
—
—
CLK Low Time
4
—
CLK Rise/Fall Time
—
—
—
—
—
5
1.8
47.5
70
70
70
—
tABA
tAA
tAADV
tCO
tAVH
tSP
Burst Read First Access Delay (Variable Latency = 2)
Address Access Time (Fixed Latency)
ADV# Access Time (Fixed Latency)
CE# Access Time (Fixed Latency)
Address Hold from ADV# High (Fixed Latency)
Input Setup to CLK High (except CE#)
Input Hold from CLK High
1
2
4
20
—
tHD
2
tCSS
tCSL
tCBPH
tOL
CE# Low Setup to CLK High
CE# Pulse Width Low Time
4.5
—
6
20
4
3
4
5
CE# Pulse Width High Time Between Operations
OE# or UB#/LB# Low to Output Low-Z
CE#, OE#, or UB#/LB# High to Output in High-Z
OE# Low to Output Delay
—
3
—
tOD
0
8
tAOE
tCWT
tWZ
—
1
20
7.5
8
CE# Low to WAIT Valid
CE# High to WAIT High-Z
—
—
—
2
tWK
CLK to WAIT Valid
9
tACLK
tKOH
tASKEW
CLK to Output Delay
9
Output Hold from CLK
—
Address Skew
—
10
5
Notes:
1.
2.
3.
4.
In case of refresh collisions with the first access, more WAIT cycles will be added.
tSP Max values only applies to ADV#.
The purpose of the Max limit is to prevent the PSRAM from starting Async access cycle.
To allow for proper refresh operation, the CE# must be high during a clock low to high transition or keep CE# high for min
15 ns.
5.
Address Skew maximum must not be exceeded during synchronous operations to avoid inadvertent asynchronous
operation
Datasheet
38
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 22: Address Skew for Synchronous Operations
CLK
Address
ADV# (Case 1)
tASKEW
CE# (Case 1)
tASKEW
ADV# (Case 2)
CE# (Case 2)
Figure 23: PSRAM Synchronous Read followed by Synchronous Write
CLK
tHD
tHD
tSP
tSP
tAVH
tSP
tSP
tAVH
A[MAX:0]
ADV#
tHD
tHD
tCBPH
tCSS
tCSS
tHD
tHD
tHD
CE#
OE#
tHD
tHD
tHD
tSP
tSP
tSP
WE#
tHD
tSP
tHD
UB#/LB#
tCWT
tCWT
tWK
tWZ
tWK
tWZ
WAIT
tACLK
tAOE
tOL
tOD
tHD
tSP
tABA
tKOH
DQ[15:0]
November 2007
314476-05
Datasheet
39
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 24: PSRAM Synchronous Write followed by Synchronous Read
tHD
tHD
tSP
tSP
tAVH
tSP
tSP
tAVH
A[MAX:0]
ADV#
CE#
tHD
tHD
tCBPH
tCSS
tHD
tCSS
tHD
tHD
tHD
tSP
tSP
OE#
tHD
tHD
tSP
tSP
WE#
tSP
tHD
UB#/LB#
tCWT
tCWT
tWK
tWZ
tWK
tWZ
WAIT
tACLK
tOL
tHD
tSP
tAOE
tOD
tABA
tKOH
DQ[15:0]
Datasheet
40
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 25: PSRAM Synchronous Read followed by Asynchronous Write
CLK
tHD
tS P
tS P
tA V H
tA W
A [MA X :0]
tA V S
tV P
tHD
tA V H
tV S
tV P H
A D V#
tCB PH
tCS S
tHD
tHD
CE #
OE #
tHD
tS P
tS P
tA S
W E #
UB #/LB #
W A IT
tHD
tCW T
tW K
tW Z
tA C LK
tA OE
tOL
tOD
tA B A
tK OH
DQ[15:0]
Figure 26: PSRAM Asynchronous Write followed by Synchronous Read
C LK
tH D
tSP
tAW
A[M AX:0]
tAVS
tVP
tAVH
tVPH
tH D
tVS
tSP
AD V#
C E#
tC PH
tC W
tC SS
tH D
tWP
tSP
tAS
tWPH
WE#
OE#
tSP
tBW
tC PH
U B#/LB#
D Q [15:0]
tWH Z
tBLZ
tLZ
tD H
tD W
tOL
November 2007
314476-05
Datasheet
41
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 27: PSRAM Synchronous Control Register Read
C LK
t HD
t S P
t A V H
A [ 19: 18]
A [ M A X : 20: 17: 0]
t S P
t S P
t HD
t H D
C R E
t H D
A D V #
t C B P H
t CS S
t H D
t H D
C E #
O E #
t H D
t S P
t S P
W
E #
t H D
U B # / LB #
t C W
T
t W K
t W Z
W
A I T
t A O E
t O L
t A B A
t A C LK
t O D
t K O H
D Q [ 15: 0]
Figure 28: PSRAM Synchronous Control Register Write
C L K
tH D
tS P
tS P
tS P
tA V H
A [M A X :0 ]
C R E
tH D
tH D
tH D
A D V #
tC B P H
tC S S
tS P
tH D
C E #
O E #
tH D
tH D
tS P
W E #
U B # /L B #
tC W T
tW K
tW Z
W A IT
D Q [1 5 :0 ]
Datasheet
42
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
9.0
Flash Bus Interface
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information regarding the following flash
bus interface information:
• Flash Configuration Register
• Flash Enhanced Configuration Register
• Flash Asynchronous Page-Mode Read
• Flash Synchronous Burst-Mode Read
• Flash Status Register
• Flash Device Identifier
• Common Flash Interface
• Extended Flash Array
10.0
Flash Operations
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information regarding the following flash
operation information:
• Flash Read Operation
• Flash Program Operation
• Flash Erase Operation
• Flash Suspend and Resume Operations
• Flash Block Locking and Unlocking Operations
• Flash Protection Register Operation
• Flash Configuration Operation
November 2007
314476-05
Datasheet
43
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
11.0
PSRAM Bus Interface
The PSRAM bus interface supports asynchronous and synchronous read and write
transfers. By default the PSRAM device is reset to the asynchronous SRAM-type mode
after power-up. To put the device in a different operation mode the Bus Configuration
Register must be programmed first accordingly.
11.1
PSRAM Reads
The PSRAM bus interface supports asynchronous single-word, asynchronous page-
mode, and synchronous burst-mode reads. PSRAM Refresh Control Register bit 7
(RCR7) defines whether page-mode reads are enabled. Page-mode reads are enabled
when RCR7 is set to a one, and disabled when RCR7 is set to zero.
11.1.1
PSRAM Asynchronous Read
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
To initiate an asynchronous read operation:
• CE#, OE#, and UB#/LB# must be asserted.
• WE# and CRE must be deasserted.
• ADV# can be toggled to latch the address or held low for the entire read operation.
• CLK must be held in a static state.
Valid data is available on the data bus after the specified access time has elapsed.
WAIT output is driven, but should be ignored for asynchronous-mode read operations.
11.1.2
PSRAM Asynchronous Page-Mode Read
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, Page Mode opertion cannot be used; RCR 7 must
be set to zero (0).
Page mode allows toggling of the four lower address bits (A3 to A0) to perform
subsequent random read accesses (max. 16-words by A3-A0) at much faster speed
than the 1st read access. Only page mode Read operations are supported by the
PSRAM. Once page mode is enabled by appropriately setting the BCR, tCSL restrictions
will apply to asynchronous Read accesses. Therefore CE# will have to be pulled high at
least every tCSL period during asynchronous Read operations. ADV# has to be held low
for the entire page operation.
11.1.3
PSRAM Synchronous Burst-Mode Reads
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
In the Full Synchronous mode and NOR-Flash mode, PSRAM read operations are
synchronous. A BURST INIT READ command is used to initiate a synchronous read
operation and latch the burst start address. To initiate a synchronous read operation:
• CE#, ADV#, and both UB# and LB# must be asserted;
• WE# and CRE must be deasserted; and
Datasheet
44
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
• Burst start address is latched on the rising edge of the clock;
To continue the synchronous read operation:
• CE#, OE#, and both UB# and LB# must be asserted; and
• ADV# must be deasserted;
The first data word is output after the number of clock cycles defined by the
programmed latency mode and latency count in the BCR. Subsequent data words are
output at successive clock cycles after the first data word.
• WAIT output will be driven and should be monitored in Variable Latency mode.
• WAIT may be ignored in fixed latency mode.
• Both UB# and LB# must be held static low for the entire read access. The size of
the burst is also specified in the BCR.
11.1.4
PSRAM Asynchronous Fetch Control Register Read
Note:
This section does not apply to part numbers ending in Q0, Q1, Q2, or Q3. Products with
order numbers ending with Q0, Q1, Q2, or Q3 are limited to setting the registry using
hardware accesses only. Reading of the registry via hardware or software and setting of
the registry via software are not supported for the foregoing products.
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
In the Asynchronous (SRAM-type) mode the contents of the BCR and RCR can be read
asynchronously. To initiate an asynchronous Fetch Control Register (FCR):
• CE#, OE#, CRE, and both UB# and LB# must be asserted;
• WE# must be deasserted;
• ADV# can be toggled to latch the address or held low for the entire read operation;
• CLK must be held in a static low state.
Except for A19 and A18, all other address and data bits are don’t care. A19 and A18
specify the target register (RCR = 00b, BCR = 10b) The contents of the selected
register are available on the data bus after the specified access time has elapsed. WAIT
output will be driven but should be ignored for asynchronous operations.
11.2
PSRAM Writes
The PSRAM bus interface supports asynchronous single-word and synchronous burst-
mode writes. BCR15 defines whether asynchronous or synchronous mode is enabled.
11.2.1
PSRAM Asynchronous Write
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
In the Asynchronous (SRAM-type) mode and NOR-Flash mode, PSRAM write commands
are asynchronous. To initiate an asynchronous write operation:
• CE# and WE# must be asserted;
• UB# and LB# must be asserted appropriately depending on the data byte(s) that
are being written. UB# enables DQ[15:8] and LB# enables DQ[7:0].
November 2007
314476-05
Datasheet
45
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
• CRE must be deasserted;
• ADV# can be toggled to latch the address or held low for the entire read operation;
• CLK must be held in a static state.
The data to be written will be latched on the rising edge of CE#, WE# or UB#/LB#
whichever occurs first. WAIT output will be driven but should be ignored for
asynchronous-mode operations.
11.2.2
PSRAM Synchronous Write
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
In the Full Synchronous mode, PSRAM write operations are synchronous. A BURST INIT
WRITE command is used to initiate a synchronous write operation and latch the burst
start address. To initiate a synchronous write operation:
• CE#, ADV#, and WE# must be asserted;
• OE# and CRE must be deasserted; and
• Burst start address is latched on the rising edge of the clock;
To continue the synchronous write operation:
• CE#, and UB#/LB# must be asserted; and
• ADV# must be deasserted;
The first data word is input after the number of clock cycles defined by the
programmed latency mode and latency count in the BCR. Subsequent data words are
input at successive clock cycles after the first data word. The size of the burst is also
specified in the BCR. WAIT output will be driven and may be monitored. But since
synchronous write is always at fixed latency regardless of the Latency Mode setting,
WAIT may be ignored. UB# or LB# may be deasserted to mask the associated data
byte.
11.2.3
PSRAM Asynchronous Set Control Register Write
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
In the Asynchronous (SRAM-type) mode and NOR-Flash mode the contents of the BCR
and RCR can be set asynchronously. To initiate an asynchronous Set Control Register:
• CE#, WE#, and CRE must be asserted;
• OE# must be deasserted;
• ADV# can be toggled to latch the address or held low for the entire read operation;
• CLK must be held in a static low state.
The DQ signals are ignored by the PSRAM. Address bits A19 and A18 specify the target
register (RCR = 00b, BCR = 10b.) The values of the remaining address bits are loaded
into the selected register. The Set Control Register command should only be issued
when the PSRAM is in the idle state (deselected).
Datasheet
46
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
11.2.4
PSRAM Synchronous Set Control Register Write
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
In the full Synchronous mode the contents of the BCR and RCR can be set
synchronously. To initiate a synchronous Set Control Register:
• CE#, WE#, ADV#, and CRE must be asserted; and
• OE# must be deasserted;
• Address is latched on the rising edge of the clock
The DQ signals are ignored by the PSRAM and therefore the WAIT signal should be
ignored. Address bits A19 and A18 specify the target register (RCR = 00b, BCR = 10b.)
The values of the remaining address bits are loaded into the selected register. The Set
Control Register command should only be issued when the PSRAM is in the idle state
(deselected).
11.3
PSRAM No Operation Command
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
The No Operation (NOP) command is used to perform a no operation to a selected
PSRAM (CE# = Low) Operations in progress are not affected. A NOP may be issued in
Asynchronous, Synchronous, or NOR-Flash mode. To initiate a NOP:
• CE#, must be asserted;
• WE#, ADV#, OE#, and CRE must be deasserted; and
• CLK must be held in a static low state while in Asynchronous mode. CLK may toggle
during a NOP in Synchronous mode.
• In Synchronous mode, ADV# deasserted hold time (tHD) must be observed.
11.4
11.5
PSRAM Deselect
The Deselect function prevents new commands from being executed by the PSRAM. A
deselected PSRAM places its I/O signals in a high impedance state. To place the device
in a deselected state:
• CE# must be deasserted.
• CLK must be held in a static low state while in Asynchronous mode. CLK may toggle
during a NOP in Synchronous mode.
PSRAM Deep Power Down
Deep Power Down (DPD) stops all refresh-related activities and the current
consumption of the device drops to a very low level. The contents of the Memory are
not preserved. After setting RCR4 = 1b, to place the device in the DPD state
• CE# must be deasserted.
• CLK must be held in a static low state to achieve minimum current consumption
levels.
November 2007
314476-05
Datasheet
47
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
11.6
PSRAM WAIT Signal
The WAIT signal is used in synchronous mode to indicate to the host system periods of
invalid data. Periods of invalid data are caused by:
1. First access delays, or
2. End of Row condition for continuous or wrap-off burst settings.
For fixed length bursts with wrap on, WAIT remains deasserted when the End of Row is
reached and the burst will wrap around and continue without any delay. Therefore for
fixed length bursts with wrap on, WAIT is only asserted during First access delays.
For continuous or wrap-off burst length configuration, End of Row condition, WAIT will
transition from being de-asserted to being asserted within the time window defined by
tKOH and tWK. Depending on the implementation for a burst write, WAIT may be
asserted at the same time as the delay (condition A of Figure 29) or one clock cycle
later (condition B of Figure 29.) This inconsistency does not occur during burst read.
Figure 29: PSRAM WAIT Behavior during Burst Write End-of-Row with Wrap Off
CLK
tCSS
tHD
CE#
tWK
tWK
A
tWZ
WAIT
B
DQ[15:0]
End of Row
Figure 30: PSRAM WAIT Behavior during Burst Read End-of-Row with Wrap Off
CLK
tCSS
tHD
CE#
tWK
tWZ
tOD
WAIT
End of Row
DQ[15:0]
Datasheet
48
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
During variable latency burst write operations and fixed latency burst write and read
operations the initial latency is fixed so the system is not required to monitor the WAIT
signal although the WAIT signal is fully functional and may be monitored by the
system. The system should terminate or interrupt the burst access to avoid row
boundary crossings in both fixed and variable latency mode.
To match with the Flash interfaces of different microprocessor types the polarity and
the timing of the WAIT signal can be configured. The polarity can be programmed to be
either active low or active high. The timing of the WAIT signal can be adjusted as well.
Depending on the BCR setting the WAIT signal will be either asserted at the same time
the data becomes invalid or it will be set active one clock period in advance.
In asynchronous mode including page mode, the WAIT signal is not used but stays
asserted as BCR10 is specified. In this case, the system should ignore the WAIT signal.
When the PSRAM is deselected or in deep power down, the WAIT output will be in a
high impedance state.
November 2007
314476-05
Datasheet
49
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
12.0
PSRAM Device Operation
12.1
PSRAM Operating Modes
The PSRAM can be used in three different modes:
• SRAM (full asynchronous) mode: In this mode the PSRAM applies the standard
asynchronous SRAM protocol to perform read and write accesses. In additions,
reads may be performed in page mode if the page mode is properly enabled by
programming the RCR. In this mode the clock must always remain static low.
• Fully Synchronous mode: In this mode, both read and write accesses are
performed synchronously with respect to the clock. Synchronous operations are
defined by the states of the control signals CE#, ADV#, OE#, WE# and UB#, LB#
at the positive (default) edge of the clock.
• NOR-Flash mode: In this mode, reads are performed synchronously with respect to
the clock and writes are performed asynchronously. The asynchronous write
operation requires that the clock remain static low during the entire write.
Synchronous read operations are defined by the states of the control signals CE#,
ADV#, OE#, WE# and UB#, LB# at the positive (default) edge of the clock.
12.2
PSRAM Control Registers
The two control registers define the PSRAM device operation. The Bus Control Register
(BCR) defines how the PSRAM interacts with the system memory bus, and the Refresh
Control Register (RCR) defines low-power refresh modes. Both these registers are
loaded with default values on power-up and can be updated at any time.
12.2.1
PSRAM Bus Control Register
The Bus Control Register (BCR) specifies the interface configurations. The Bus Control
Register is programmed via the Set Control Register command (with CRE = 1 and
A[19:18] = 10b) and retains the stored information until it is reprogrammed or the
device loses power.
Reserved bit fields of the BCR should be ignored during a Fetch Control Register
command as they may have undefined values even when set to 0b with a Set Control
Register command. The BCR contents can only be set or changed when the PSRAM is in
idle state.
Table 18: PSRAM Bus Control Register Map
DQ
[15:0]
DQ1 DQ1 DQ1 DQ1 DQ1 DQ1 DQ DQ DQ DQ DQ DQ DQ DQ DQ DQ
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
A
A22
-
A20
A17
-
A16
A1 A1
[MAX:0
]
A15
A14
A13
A12
A11
A10
A9
A8
A7 A6
A5
A4
A3 A2
A1 A0
9
8
22-
20
17-
16
BCR Bit
19 18
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Datasheet
50
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 19: Bus Control Register Description
BCR Bit
NAME
Description
22:20
19:18
17:16
Reserved
Reserved bits should be set to ‘0’ during set control register commands
10 = Select BCR
Register Select
Reserved
Reserved bits should be set to ‘0’ during set control register commands
0 = Synchronous Burst Mode
15
14
Operating Mode
Initial Latency
1 = Asynchronous Mode (Default)
0 = Variable (Default)
1 = Fixed
000 = Code 0 - Reserved
001 = Code 1 - Reserved
010 = Code 2
011 = Code 3 (Default)
100 = Code 4
13:11
Latency Counter
101 = Code 5
110 = Code 6
111 = Code 7 - Reserved
0 = Active Low
10
9
WAIT Polarity
Reserved
1 = Active High (Default)
Reserved bits should be set to ‘0’ during set control register commands
0 = WAIT asserted during delay
1 = WAIT asserted one data cycle before delay (Default)
8
WAIT Configuration
Reserved
7:6
Reserved bits should be set to ‘0’ during set control register commands
00 = Full
01 = 1/2 (Default)
10 = 1/4
11 = Reserved
5:4
3
Drive Strength
Burst Wrap
0 = Burst wraps within the burst length
1 = Burst does not wrap (Default)
000 = Reserved
001 = 4 words
010 = 8 words
011 = 16 words
2:0
Burst Length
100 = 32 words
101 = Reserved
110 = Reserved
111 = Continuous Burst (Default)
12.2.1.1
PSRAM BCR Operating Mode
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, ADV# must be deasserted during any data phase
cycle.
The PSRAM supports three different interface access protocols:
• SRAM-type protocol with asynchronous read and write accesses
• NOR-Flash-type protocol with synchronous read and asynchronous write accesses
• FULL SYNCHRONOUS mode with synchronous read and synchronous write accesses
November 2007
314476-05
Datasheet
51
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Operating the PSRAM in synchronous mode maximizes bandwidth. The NOR-Flash type
mode is the recommended mode for legacy systems which are not able to run the
synchronous write protocol. The Operating Mode bit BCR15 defines whether the device
is operating in synchronous (fully or partially) mode or asynchronous mode.
When BCR15 is set low, the mode of write operation, NOR-flash or Full synchronous, is
adaptively detected by detecting a rising clock edge during ADV# valid. If a rising clock
edge occurs within ADV# valid, Full synchronous write is detected. If there is no rising
clock edge then NOR-Flash write is detected and CE# must go high when transitioning
from asynchronous to synchronous operation or when transitioning from synchronous
to asynchronous operation..
When BCR15 is set high, the SRAM-type mode of operation is selected.
12.2.1.2
PSRAM Initial Latency BCR Bit
The PSRAM latency is related to the number of clock cycles from the burst-init
command to be either 1st valid data output (read burst) or 1st valid data input (burst
write.) In Fixed Latency mode, the number of clock cycles from bust-init command to
valid data is always fixed as defined by the Latency Counter setting in the BCR. In
Variable Latency mode, the number of clock cycles from bust-init command to valid
data output (read burst) is variable depending on internal device operation. The
minimum latency in Variable Latency mode is defined by the Latency Counter setting in
the BCR. Additional WAIT cycles may be added in Variable Latency mode if the burst-
init Read command collides with an on-going internal refresh. Additional WAIT cycles
are not added for burst-init Write commands in Variable Latency mode.
12.2.1.3
PSRAM Latency Counter BCR Bit
The latency counter defines the number of clock cycles that pass before the first output
data is valid (read burst) or before the first input data is valid (read burst.) Each
Latency Code setting has an associate maximum PSRAM clock frequency. In the case of
Variable Latency the first access delay might be extended by additional wait cycles in
case the burst read access collides with an ongoing self-refresh operation. The allowed
values of the Latency Counter also depend on the Initial Latency setting in BCR.
Table 20: Optional PSRAM BCR Latency Counter Settings in Variable Latency
Latency Counter
PSRAM
010
011
Code 2; Max 54 MHz
Code 3; Max 80 MHz
Reserved
Others
Table 21: Optional PSRAM BCR Latency Counter Settings in Fixed Latency
Latency Counter
PSRAM
010
011
Code 2; Max 33 MHz
Code 3; Max 52 MHz
Code 4; Max 66 MHz
Code 5; Max 75 Mhz
Code 6; Max 104 MHz
Reserved
100
101
110
Others
Datasheet
52
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 31: Example of the Latency of First Valid Data in Synchronous Mode
12.2.1.4
PSRAM WAIT Polarity BCR Bit
The WAIT polarity control bit allows the user to define the polarity of the WAIT output
signal. The WAIT output line is used during a variable latency synchronous read burst
to signal when the output data is invalid. Active low WAIT polarity means that when
WAIT is asserted low, output data is invalid. Similarly active high WAIT polarity means
that when WAIT is asserted high, output data is invalid.
12.2.1.5
12.2.1.6
PSRAM WAIT Configuration BCR Bit
The WAIT signal configuration control bit specifies whether the WAIT signal is asserted
at the time of the delay or whether it is asserted one clock cycle in advance of the
delay.
PSRAM Drive Strength BCR Bit
For adaptation to different system characteristics the output impedance can be
configured. Full drive strength is targeted for 25-30 Ohm systems, half drive strength is
targeted for 50 Ohm systems, and quarter drive strength is targeted for 100 Ohm
systems.
12.2.1.7
PSRAM Burst Wrap BCR Bit
The burst wrap control bit defines whether there is a wrap around within a burst access
or not. In case of fixed 8-word burst length, this means that after word #7, word #0 is
going to be output in wrap mode.
In case of continuous burst mode the internal address counter will increment
continuously until terminated by the system. For continuous burst mode or non-wrap
mode, the burst access must be terminated prior to a row boundary crossing.
The burst wrap setting is used for both Write and Read operations.
12.2.1.8
PSRAM Burst Length BCR Bit
The burst length setting defines the Wrap boundary whenever Burst Wrap is enabled by
setting BCR3 = 0b. When Burst Wrap is disabled by setting BCR3 = 1b, all burst behave
as Continuous Bursts regardless of the Burst Length setting. Furthermore all fixed
length bursts (4-, 8-, 16-, and 32-word bursts) will continue until terminated by
bringing CE# high or interrupted by initiating a new burst access. Continuous Burst and
November 2007
314476-05
Datasheet
53
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Fixed Length Burst with Wrap Off will increment the address until a row boundary
crossing is reached. Fixed Length Bursts will continue to wrap around and cycle through
their limited address space until terminated or interrupted. The burst length setting is
used for both Write and Read operations.
Table 22: PSRAM Burst Length Sequences
Burst Address Sequence (decimal)
Wrap Off Wrap On
Starting Address
[A4:A0]
Burst Length
00000b
00001b
...
0-1-2-3-4-5-6-7-...-EOR
1-2-3-4-5-6-7-8-...-EOR
...
0-1-2-3-0-1-2-3-...
1-2-3-0-1-2-3-1-...
...
4
11110b
11111b
30-31-32-33-34-...-EOR
31-32-33-34-35-...-EOR
30-31-28-29-30-31-28-29-...
31-28-29-30-31-28-29-30-...
00000b
00001b
...
0-1-2-3-4-5-6-7-...-EOR
1-2-3-4-5-6-7-8-...-EOR
...
0-1-2-3-4-5-6-7-0-1-2-3-...
1-2-3-4-5-6-7-0-1-2-3-4-...
...
8
11110b
11111b
30-31-32-33-34-...-EOR
31-32-33-34-35-...-EOR
30-31-24-25-26-27-28-29-30-...
31-24-25-26-27-28-29-30-31...
00000b
00001b
...
0-1-2-3-4-5-6-7-...-EOR
1-2-3-4-5-6-7-8-...-EOR
...
0-1-2-...-13-14-15-0-1-2-...
1-2-3-...-14-15-0-1-2-3-...
...
16
11110b
11111b
30-31-32-33-34-...-EOR
31-32-33-34-35-...-EOR
30-31-16-17-...-29-30-31-16-17-...
31-16-17-...-29-30-31-16-17-...
00000b
00001b
...
0-1-2-3-4-5-6-7-...-EOR
1-2-3-4-5-6-7-8-...-EOR
...
0-1-2-...-29-30-31-0-1-2-...
1-2-3-...-29-30-31-0-1-2-...
...
32
11110b
11111b
30-31-32-33-34-...-EOR
31-32-33-34-35-...-EOR
30-31-0-...-29-30-31-0-1-...
31-0-1-...-29-30-31-0-1-...
00000b
00001b
...
0-1-2-3-4-5-6-7-...-EOR
1-2-3-4-5-6-7-8-...-EOR
...
0-1-2-3-4-5-6-7-...-EOR
1-2-3-4-5-6-7-8-...-EOR
...
Continuous
11110b
11111b
30-31-32-33-34-...-EOR
31-32-33-34-35-...-EOR
30-31-32-33-34-...-EOR
31-32-33-34-35-...-EOR
Note: EOR = End of Row
12.2.2
PSRAM Refresh Control Register
The Refresh Control Register (RCR) allows for additional stand-by power savings by
making use of the Partial-Array Self Refresh (PASR) and Deep Power Down (DPD)
features. The RCR is programmed via the Control Register Set command (with CRE = 1
and A[18:19] = 00b) and retains the stored information until it is reprogrammed or the
device loses power.
Reserved bit fields of the RCR should be ignored during a Fetch Control Register
command as they may have undefined values even when set to 0b with a Set Control
Register command. The RCR contents can only be set or changed when the PSRAM is in
idle state.
Datasheet
54
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 23: PSRAM Refresh Control Register Map
Register
Select
Page
Mode
Deep Power
Down (DPD)
Reserved
Reserved
Reserved
Reserved
PASR
DQ[15:0]
DQ16-DQ8
A17 - A8
17 - 8
DQ7
A7
7
DQ6
A6
6
DQ5
A5
5
DQ4
A4
4
DQ3
A3
3
DQ2
A2
2
DQ1
A1
1
DQ0
A0
0
A[MAX:0
]
A22 - A20
22 - 20
A19
19
A18
18
RCR Bit
Table 24: PSRAM Refresh Control Register Description
RCR Bit
NAME
Description
Reserved bits should be set to ‘0’ during set control register
commands
22:20
19:18
17:8
Reserved
Register Select
Reserved
00 = Select RCR
Reserved bits should be set to ‘0’ during set control register
commands
0 = Page Mode disabled (Default)
1 = Page Mode enabled
7
6:5
4
Page Mode
Reserved
Reserved bits should be set to ‘0’ during set control register
commands
0 = DPD enabled
1 = DPD disabled (Default)
Deep Power Down (DPD)
Reserved
Reserved bits should be set to ‘0’ during set control register
commands
3
000 = Full array refreshed (Default)
001 = Bottom 1/2 of array refreshed
010 = Bottom 1/4 of array refreshed
011 = Bottom 1/8 of array refreshed
100 = None of array refreshed
2:0
Partial Array Self Refresh
101 = Top1/2 of array refreshed
110 = Top1/4 of array refreshed
111 = Top1/8 of array refreshed
12.2.2.1
PSRAM Page Mode RCR Bit
In asynchronous (SRAM) mode, the user has the option to enable page mode. Page
mode applies only to asynchronous read operations and has no impact on
asynchronous write operations. In synchronous and NOR-Flash modes, the page mode
setting has no impact on PSRAM operation. The maximum page length is 16 words, so
A[3:0] is regarded as the page address.
Warning:
When the lower sixteen address bits A[15:0] are connected to the data pins to operate
PSRAM as an A/D Mux I/O interface, Page Mode operation cannot be used.
12.2.2.2
PSRAM Deep-Power Down RCR Bit
To put the device in deep power down mode the DPD control bit must be set low
(RCR4 =0.) All internal voltage generators inside the PSRAM are switched off and the
internal self-refresh is stopped. This means that all stored memory information will be
lost by entering DPD. Only the register values of BCR, and RCR remain valid during
DPD.
November 2007
314476-05
Datasheet
55
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
12.2.2.2.1
12.2.2.2.2
PSRAM Deep-Power Down Entry
To enter deep power down, RCR4 is set low, CE# is then pulled high and is maintained
high for the entire time duration that Deep Power Down mode is desired. To insure
proper operation, once CE# is pulled high, it should be maintained high for minimum of
150 µs before beginning the Deep Power Down Exit sequence.
PSRAM Deep-Power Down Exit
To exit the deep power down mode the CE# must go low for minimum 10 µs, followed
by a guard time of at least 150 µs where CE# must be maintained high. Once deep
power down is exited, the DPD control bit RCR4 is automatically reset to 1. All other
Control Register contents are unchanged.
Figure 32: Deep Power Down Exit Timing
12.2.2.3
Description of PSRAM Partial-Array Self-Refresh RCR Bit
By applying PASR the user can dynamically customize the memory capacity to the
system’s actual need in normal operation mode and standby mode. RCR[2:0] specifies
the active memory array and its location (starting from bottom or top). The memory
parts not used are powered down immediately after the mode register has been
programmed. Advice for the proper register setting including the address ranges is
given in the figure below. PASR is effective in normal operation and standby mode as
soon as it has been configured by register programming.
Table 25: PSRAM PASR Address Pattern (Sheet 1 of 2)
Device
A2
A1
A0
Density (Mb)
Active Section
Address
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
64
32
16
8
Full Array
000000h - 3FFFFFh
000000h - 1FFFFFh
000000h - 0FFFFFh
000000h - 07FFFFh
None
Lower 1/2 of the array
Lower 1/4 of the array
Lower 1/8 of the array
None
64 Mbit
0
32
16
8
Upper 1/2 of the array
Upper 1/4 of the array
Upper 1/8 of the array
200000h - 3FFFFFh
300000h - 3FFFFFh
380000h - 3FFFFFh
Datasheet
56
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 25: PSRAM PASR Address Pattern (Sheet 2 of 2)
Device
A2
A1
A0
Density (Mb)
Active Section
Full Array
Address
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
32
000000h – 1FFFFFh
000000h – 0FFFFFh
000000h – 07FFFFh
000000h – 03FFFFh
0
Lower 1/2 of the array
Lower 1/4 of the array
Lower 1/8 of the array
None
16
8
4
32 Mbit
0
Upper 1/2 of the array
Upper 1/4 of the array
Upper 1/8 of the array
16
8
100000h – 1FFFFFh
180000h – 1FFFFFh
1C0000h – 1FFFFFh
4
12.3
PSRAM Access to Control Register
The PSRAM control registers (BCR and RCR) can be updated at any time to select
desired operating modes.
The control registers can be accessed by the hardware access method using the CRE
pin or software access method consisting of a series of reads and writes.
The two methods are described in the sections below.
Note:
Products with order numbers ending with Q0, Q1, Q2, or Q3 are limited to setting the
registry using hardware accesses only. Reading of the registry via hardware or software
and setting of the registry via software are not supported for the foregoing products.
12.3.1
PSRAM Hardware Control Register Access
Hardware write or read access to the PSRAM registers occurs by applying the SCR and
FCR commands with the CRE signal asserted high. During the SCR and FCR commands,
A[19:18] designates target register. A[19:18] = 00b accesses the Refresh Control
Register (RCR), A[19:18] = 10b accesses the Bus Control Register (BCR). The SCR and
FCR commands can be applied in either synchronous or asynchronous mode.
After applying the SCR command in asynchronous mode, CE# must be pulled high for
minimum of tCPH prior to initiating any subsequent command. After applying the SCR
command in synchronous mode, CE# must be pulled high for minimum of tCPBH prior
to initiating a subsequent synchronous command. Additionally, when applying the
synchronous SCR command CE# must remain low to complete a burst of one write
even though the DQ values are ignored by the PSRAM. To insure predictable device
behavior, an SCR command should not be terminated or interrupted prematurely and
ADV# should not go low more than one time prior to CE# being pulled high.
12.3.2
PSRAM Software Register Access
Software access of the registers uses a sequence of asynchronous read and
asynchronous write operations. First, two asynchronous reads to the maximum address
are performed followed by an asynchronous write to the maximum address. The data
values during this asynchronous write select the appropriate register.
During the fourth operation, DQ[15:0] transfer data in to or out of the bits [15:0] of
the registers.
During the software access sequence, it is necessary to:
November 2007
314476-05
Datasheet
57
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
• Toggle CE# between every read or write command (so the Device can distinguish 4
separate cycles).
• Maintain the address input until it is latched by ADV# or until CE# goes high. After
setting the control registers using the software access method, CE# must be pulled
high for minimum of tCPH prior to initiating any subsequent command.
• To insure predictable device behavior, the fourth access cycle of the software access
should not be terminated or interrupted prematurely and ADV# should not go low
more than one time during each access where CE# is low
Furthermore, during the 3rd cycle of the software access, the asynchronous write
operation should be CE# controlled, that is on the 3rd cycle CE# must go high prior to
WE# and UB#/LB#.
Figure 33: PSRAM Loading Configurations Registers Using Software Access
A[MAX:0]
MAX
MAX
MAX
MAX
CE#
OE#
WE#
UB#/LB#
DQ[15:0]
XXXXh
XXXXh
Input
RCR: 0000h
BCR: 0001h
Figure 34: PSRAM Reading Registers Using Software Access
A[MAX:0]
MAX
MAX
MAX
MAX
CE#
OE#
WE#
UB#/LB#
DQ[15:0]
XXXXh
XXXXh
Output
RCR: 0000h
BCR: 0001h
DIDR: 0002h
Datasheet
58
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
12.3.3
Cautionary Note About Software Register Access
To insure inadvertent access to the PSRAM registers during asynchronous operation,
the system must avoid the below two command sequences when accessing the main
memory array. On the 3rd cycle of the below command sequences the write to the main
memory may be blocked and the software register access mode may be entered. To
avoid such possibility, the system should avoid the below command sequences unless it
is intending to access the registers through the software method.
Table 26: Cautionary Command Sequences
Cautionary Command Sequence #1
Address
Max
Max
Max
Command
Async Read
Async Read
Async Write
Cautionary Command Sequence #2
Address
Max
Max
Max
Async Write
(WE# controlled)
Async Read
Async Write
Command
12.4
PSRAM Self-Refresh Operation
Unlike DRAMs, The PSRAM relieves the host system from issuing refresh commands.
Self-refresh operations are autonomously scheduled and performed by the PSRAM
device. In synchronous mode of operations (variable latency Read), the additional
WAIT cycles are used to indicate when the data output is delayed in case a burst
initiated access collides with an ongoing refresh cycle.
12.4.1
PSRAM Self-Refresh Operations at Low Frequency
At low frequencies (< 100 KHz ), the PSRAM can support only asynchronous read (non-
page and non-burst modes) operations. All other operations (asynchronous writes,
page-mode reads, and synchronous burst-mode accesses) are subject to refresh
restrictions.
12.5
PSRAM Burst Suspend, Interrupt, or Termination
PSRAM Burst Suspend
12.5.1
While in synchronous burst operation, the bus interface may need to be assigned to
other memory transaction sharing the same bus. Burst suspend is used to fulfill this
purpose. Keeping CE# low (WAIT stays active although the DQ are tri-stated), burst
suspend is initiated by halting CLK. CLK can stay at either high or low state. Burst
suspend may also by initiated while WAIT is asserted during the initial latency period or
at the end of a row.
November 2007
314476-05
Datasheet
59
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
As specified, duration of keeping CE# low can not exceed tCSL maximum so that
internal refresh operation is able to run properly. In the event that tCSL maximum may
be exceeded, termination of burst by bringing CE# high is strongly recommended
instead of using burst suspend mode.
Figure 35: Example of PSRAM Burst Suspend with Read Burst with Latency Code 2
CLK
A[MAX:0]
ADV#
tCSL
tCSS
CE#
OE#
WE#
UB#/LB#
tCWT
tWK
tWZ
WAIT
tACLK
tAOE
tOL
tOD
tKOH
tAOE
tOL
tABA
tKOH
D2
tOD
D0
D1
D3
DQ[15:0]
Note: WAIT is configured as Active Low and asserted during delay.
12.5.2
PSRAM Burst Interrupt
In burst interrupt an on-going burst is ended and new burst command issued while
keeping CE# low (subject to tCSL restrictions.) To insure proper device operation, a
burst interrupt is prohibited until the previous burst-init command completes its first
valid data transaction. If a burst read is interrupted by a new burst command, the DQ
are put into a high-Z state (within tWHZ time period.) If a burst write is interrupted by
a new burst command, the write data is automatically masked regardless of UB#/LB#
setting. Also note, that prior to initiating a burst interrupt by taking ADV# low, the
ADV# high hold time of tHD must be met with respect to the previous clock cycle
Datasheet
60
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 36: Example of PSRAM Burst Interrupt
Earliest allowed
burst interrupt
CLK
Burst Init
Burst Init
Control
No-OP No-OP No-OP No-OP
tHD
ADV#
DQ
tWHZ
Code 3
Read becomes high-Z
Write data is masked
12.5.3
12.6
PSRAM Burst Termination
A burst access is terminated by bringing CE# high and maintaining high for minimum of
tCBPH.
In burst mode a refresh opportunity must be provided every tCSL period by
maintaining CE# high for minimum of 15ns or maintaining CE# high during a clock low
to high transition.
PSRAM Row Boundary Crossing
Row boundary crossings are not allowed in burst mode (regardless of using variable or
fixed latency mode.) An on-going burst must be terminated by the system prior to a
row boundary crossing. A row boundary crossing would never occur if the PSRAM is
operating in fixed burst length and wrap mode. Therefore the only time the system
should be concerned with row boundary crossing is if the PSRAM is operating with “no
wrap” (BCR3 = 0b) or “continuous burst length” (BCR[2:0] = 111b) settings.
In terminating bursts prior to row boundary crossing, the system may read the row size
(128 or 256 words) to determine at which addresses the row boundary crossing occurs.
If the system cannot do this, then it should be assumed that the row size is 128 words.
In the case of 128-word row size the boundary between adjacent rows occurs at every
address ending in 7Fh (111 1111 b.) In the case of 256-word row size the boundary
between adjacent rows occurs at every address ending in FFh (1111 1111 b.)
At a Row boundary crossing, a burst interrupt or termination must occur no later than
2-clock cycle past the transaction representing the last word of a row.
November 2007
314476-05
Datasheet
61
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Figure 37: Terminating or Interrupting Burst Prior to Row Boundary Crossing
Latest allowed
burst terminate
Latest allowed
burst interrupt
CLK
CE#
Low
High
ADV#
DQ
Last-1
Last-1
Last
Last
Last Word of Row
Last Word of Row
Appendix A Flash Write State Machine
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information.
Appendix B Flash Common Flash Interface
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information.
Appendix C Flash Flowcharts
Refer to the Numonyx™ StrataFlash® Wireless Memory (L18) datasheets (Non-Mux I/O
251902 and AD-Mux I/O, 313295) for detailed information.
Appendix D Additional Information
:
Order Number
Document
251902
313295
Numonyx™ StrataFlash® Wireless Memory (L18) Datasheet
Numonyx™ StrataFlash® Wireless Memory (L18) with AD-Multiplexed I/O Datasheet
Note: Contact your local Numonyx sales representative or visit the Numonyx website at http://www.numonyx.com for current
information on Numonyx™ Flash memory products, documentation, software and tools.
Datasheet
62
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Appendix E Ordering Information
To order samples, obtain datasheets or inquire about any stack combination, please
contact your local Numonyx representative.
Table 27: 38F Type Stacked Components
PF
38F
5070
M0
Y
0
B
0
Product Die/
Density
Configuration
Voltage/NOR
Flash CE#
Configuration
Parameter /
Mux
Configuration
Package
Designator
Product Line
Designator
NOR Flash Product
Family
Ballout
Identifier
Device
Details
Char 1 = Flash
die #1
V =
0 =
First character
applies to Flash
die #1
1.8 V Core
and I/O;
Separate Chip
Enable per die
Char 2 = Flash
die #2
No parameter
blocks; Non-
Mux I/O
B =
x16D
Ballout
interface
Char 3 =
RAM die #1
0 =
PF =
Second character
applies to Flash
die #2
Original
released
version of
this
SCSP, RoHS
(See
(See
(See
Table 31,
“Voltage /
NOR Flash
CE#
Table 33
Stacked NOR
Table 32,
“Parameter
/ Mux
,
Flash + RAM Char 4 =
RD =
“Ballout
Decoder
” on
(See Table 30,
“NOR Flash
Family
RAM die #2
SCSP, Leaded
product
Configurati
on
Configurati
on
(See
page 65
for details)
Decoder” on
page 64 for
details)
Decoder”
on page 65
for details)
Table 29,
“38F / 48F
Density
Decoder”
onpage 64
for details)
Decoder”
on page 64
for details)
Table 28: 48F Type Stacked Components
PC
48F
4400
P0
V
B
0
0
Product Die/
Density
Configuration
Voltage/NOR
Flash CE#
Configuration
Parameter /
Mux
Configuration
Package
Designator
Product Line
Designator
NOR Flash Product
Family
Ballout
Identifier
Device
Details
PC =
Easy BGA,
RoHS
Char 1 = Flash
die #1
V =
B =
First character
applies to Flash
dies #1 and #2
1.8 V Core
and 3 V I/O;
Virtual Chip
Enable
Char 2 = Flash
die #2
Bottom
0 =
RC =
parameter;
Non-Mux I/O
interface
Discrete
Ballout
Easy BGA,
Leaded
0 =
Char 3 = Flash
die #3
Second character
applies to Flash
dies #3 and #4
Original
released
version of
this
(See
(See
JS =
TSOP, RoHS
(See
Stacked
NOR Flash
only
Table 31,
“Voltage /
NOR Flash
CE#
Table 33
Table 32,
“Parameter
/ Mux
Char 4 = Flash
die #4
,
“Ballout
Decoder
” on
(See Table 30,
“NOR Flash
Family
product
TE =
TSOP, Leaded
Configurati
on
Configurati
on
(See
page 65
for details)
Table 29,
“38F / 48F
Density
Decoder” on
page 64 for
details)
Decoder”
on page 65
for details)
Decoder”
on page 64
for details)
PF =
SCSP, RoHS
Decoder”on
page 64 for
details)
RD =
SCSP, Leaded
November 2007
314476-05
Datasheet
63
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 29: 38F / 48F Density Decoder
Code
Flash Density
RAM Density
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
No Die
No Die
4-Mbit
32-Mbit
64-Mbit
128-Mbit
256-Mbit
512-Mbit
1-Gbit
8-Mbit
16-Mbit
32-Mbit
64-Mbit
128-Mbit
256-Mbit
512-Mbit
1-Gbit
2-Gbit
4-Gbit
8-Gbit
16-Gbit
32-Gbit
64-Gbit
128-Gbit
256-Gbit
512-Gbit
2-Gbit
4-Gbit
8-Gbit
16-Gbit
32-Gbit
64-Gbit
Table 30: NOR Flash Family Decoder
Code
Family
Marketing Name
C
C3
Numonyx Advanced+ Boot Block Flash Memory
Numonyx Embedded Flash Memory
Numonyx™ StrataFlash® Wireless Memory
Numonyx™ StrataFlash® Cellular Memory
Numonyx™ StrataFalsh® Embedded Memory
Numonyx™ Wireless Flash Memory
No Die
J3v.D
J
L
L18 / L30
M18
M
P
P30 / P33
W18 / W30
-
W
0(zero)
Table 31: Voltage / NOR Flash CE# Configuration Decoder (Sheet 1 of 2)
I/O Voltage
Code
Core Voltage (Volt)
CE# Configuration
Seperate Chip Enable per die
(Volt)
Z
3.0
1.8
3.0
3.0
1.8
3.0
1.8
1.8
3.0
1.8
1.8
3.0
Seperate Chip Enable per die
Seperate Chip Enable per die
Virtual Chip Enable
Y
X
V
U
T
Virtual Chip Enable
Virtual Chip Enable
Datasheet
64
November 2007
314476-05
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Table 31: Voltage / NOR Flash CE# Configuration Decoder (Sheet 2 of 2)
I/O Voltage
Code
Core Voltage (Volt)
CE# Configuration
(Volt)
R
Q
P
3.0
1.8
3.0
1.8
1.8
3.0
Virtual Address
Virtual Address
Virtual Address
Table 32: Parameter / Mux Configuration Decoder
Code, Mux
Identification
Number of Flash Die
Bus Width
Flash Die 1
Flash Die 2
Flash Die 3
Flash Die 4
0 = Non Mux
1 = AD Mux1
2= AAD Mux
Any
NA
Notation used for stacks that contain no parameter blocks
3 =Full" AD
Mux2
1
2
3
4
2
4
1
2
3
4
2
4
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Top
-
-
-
Top
-
-
B = Non Mux
C = AD Mux
F = "Full" Ad
Mux
X16
X32
X16
X32
Bottom
Top
Top
-
Bottom
Top
Bottom
Bottom
-
-
-
Top
Top
-
-
Top
Bottom
Top
-
-
T = Non Mux
U = AD Mux
W = "Full" Ad
Mux
Top
Bottom
Top
-
Top
Bottom
Top
Bottom
-
Top
-
Top
Top
Bottom
Bottom
1. Only Flash is Muxed and RAM is non-Muxed
2. Both Flash and RAM are AD-Muxed
Table 33: Ballout Decoder
Code
Ballout Definition
0 (Zero)
SDiscrete ballout (Easay BGA and TSOP)
B
x16D ballout, 105 ball (x16 NOR + NAND + DRAM Share Bus)
x16C ballout, 107 ball (x16 NOR + NAND + PSRAM Share Bus)
QUAD/+ ballout, 88 ball (x16 NOR + PSRAM Share Bus)
x32SH ballout, 106 ball (x32 NOR only Share Bus)
C
Q
U
V
x16SB ballout, 165 ball (x16 NOR / NAND + x16 DRAM Split Bus
x48D ballout, 165 ball (x16/x32 NOR + NAND + DRAM Split Bus
W
November 2007
314476-05
Datasheet
65
Numonyx™ StrataFlash® Wireless Memory (L18 SCSP) with Synchronous PSRAM
Appendix F
Table 34: Ordering Information Additional Device Details
Add’l
Detail
Notes
Additional Description Details
Reference
1
2
For devices not listed in this table, contact your local Numonyx representative for additional details.
Device request for -30 °C to + 85 °C operation support, contact your local Numonyx representative for details.
Device is limited to a maximum operating frequency of 54 MHz with PSRAM tAC = 85 ns. Support only Fix Latency
synchronous operations.
3
Device is limited to a maximum operating frequency of 54 MHz with PSRAM tAC = 70 ns. Support Fix or Variable
Latency synchronous operations.
4
5
Custom device. Contact your local Numonyx representative for details.
L18 die is configured as an ADMux I/O interface device, while the PSRAM is configured as a Non-Multiplex I/O
interface device. For A/D Mux I/O interface device operation, the PSRAM A[15:0] must be connected to the
DQ[15:0] on the targeted PCB design. In addition, Page-Mode operation is not available.
6
Contact your local Numonyx representative for details or design validation support.
Datasheet
66
November 2007
314476-05
768-Mbit LQ Family with Synchronous PSRAM
1.0 Introduction..............................................................................................................6
1.1
1.2
1.3
Nomenclature.....................................................................................................6
Acronyms...........................................................................................................7
Conventions .......................................................................................................7
2.0 Functional Overview..................................................................................................8
2.1
2.2
2.3
2.4
Product Description .............................................................................................8
Available Device Combinations............................................................................ 10
Device Operation Overview.................................................................................10
Flash Memory Map and Partitioning...................................................................... 12
3.0 Device Package Information.................................................................................... 17
4.0 Ballout and Signal Descriptions ...............................................................................21
4.1
4.2
Device Signal Ballout .........................................................................................21
Signal Descriptions............................................................................................ 22
5.0 Maximum Ratings and Operating Conditions............................................................ 25
5.1
5.2
5.3
Device Absolute Maximum Ratings....................................................................... 25
Device Operating Conditions...............................................................................25
Device Power-Up/Down...................................................................................... 26
5.3.1 Flash Power and Reset Specifications ........................................................26
5.3.2 PSRAM Power-Up Sequence and Initialization............................................. 26
6.0 Device Electrical Specifications................................................................................27
6.1
6.2
6.3
Flash DC Operating Characteristics ...................................................................... 27
Synchronous PSRAM DC Operating Characteristics.................................................27
Device AC Test Conditions.................................................................................. 28
6.3.1 Flash Die Capacitance ............................................................................. 28
6.3.2 Synchronous PSRAM Die Capacitance........................................................29
7.0 Flash AC Characteristics .......................................................................................... 30
8.0 Synchronous PSRAM AC Characteristics................................................................... 31
8.1
8.2
8.3
PSRAM Asynchronous Read.................................................................................31
PSRAM Asynchronous Write ................................................................................34
PSRAM Synchronous Read and Write.................................................................... 37
9.0 Flash Bus Interface .................................................................................................43
10.0 Flash Operations ..................................................................................................... 43
11.0 PSRAM Bus Interface...............................................................................................44
11.1 PSRAM Reads ................................................................................................... 44
11.1.1 PSRAM Asynchronous Read...................................................................... 44
11.1.2 PSRAM Asynchronous Page-Mode Read ..................................................... 44
11.1.3 PSRAM Synchronous Burst-Mode Reads..................................................... 44
11.1.4 PSRAM Asynchronous Fetch Control Register Read...................................... 45
11.2 PSRAM Writes................................................................................................... 45
11.2.1 PSRAM Asynchronous Write ..................................................................... 45
11.2.2 PSRAM Synchronous Write....................................................................... 46
11.2.3 PSRAM Asynchronous Set Control Register Write ........................................ 46
11.2.4 PSRAM Synchronous Set Control Register Write..........................................47
11.3 PSRAM No Operation Command ..........................................................................47
11.4 PSRAM Deselect................................................................................................47
11.5 PSRAM Deep Power Down................................................................................... 47
11.6 PSRAM WAIT Signal........................................................................................... 48
12.0 PSRAM Device Operation .........................................................................................50
12.1 PSRAM Operating Modes .................................................................................... 50
Intel StrataFlash® Wireless Memory (L18 SCSP)
August 2007
Order Number: 314476-004
Datasheet
1
768-Mbit LQ Family with Synchronous PSRAM
12.2 PSRAM Control Registers ....................................................................................50
12.2.1 PSRAM Bus Control Register.....................................................................50
12.2.1.1 PSRAM BCR Operating Mode .......................................................51
12.2.1.2 PSRAM Initial Latency BCR Bit.....................................................52
12.2.1.3 PSRAM Latency Counter BCR Bit..................................................52
12.2.1.4 PSRAM WAIT Polarity BCR Bit......................................................53
12.2.1.5 PSRAM WAIT Configuration BCR Bit .............................................53
12.2.1.6 PSRAM Drive Strength BCR Bit....................................................53
12.2.1.7 PSRAM Burst Wrap BCR Bit.........................................................53
12.2.1.8 PSRAM Burst Length BCR Bit.......................................................53
12.2.2 PSRAM Refresh Control Register ...............................................................54
12.2.2.1 PSRAM Page Mode RCR Bit .........................................................55
12.2.2.2 PSRAM Deep-Power Down RCR Bit...............................................55
12.2.2.3 Description of PSRAM Partial-Array Self-Refresh RCR Bit.................56
12.3 PSRAM Access to Control Register........................................................................57
12.3.1 PSRAM Hardware Control Register Access ..................................................57
12.3.2 PSRAM Software Register Access ..............................................................57
12.3.3 Cautionary Note About Software Register Access.........................................59
12.4 PSRAM Self-Refresh Operation.............................................................................59
12.4.1 PSRAM Self-Refresh Operations at Low Frequency.......................................59
12.5 PSRAM Burst Suspend, Interrupt, or Termination ...................................................59
12.5.1 PSRAM Burst Suspend.............................................................................59
12.5.2 PSRAM Burst Interrupt ............................................................................60
12.5.3 PSRAM Burst Termination ........................................................................61
12.6 PSRAM Row Boundary Crossing ...........................................................................61
A
B
C
D
E
F
Flash Write State Machine........................................................................................62
Flash Common Flash Interface.................................................................................62
Flash Flowcharts......................................................................................................62
Additional Information.............................................................................................62
Ordering Information...............................................................................................63
................................................................................................................................66
Intel StrataFlash® Wireless Memory (L18 SCSP)
Datasheet
2
August 2007
Order Number: 314476-004
相关型号：
©2020 ICPDF网 联系我们和版权申明