HYS72D64320GBR-5-C [INFINEON]

184-Pin Registered Double Data Rate SDRAM Module; 184引脚均录得双数据速率SDRAM模块
HYS72D64320GBR-5-C
型号: HYS72D64320GBR-5-C
厂家: Infineon    Infineon
描述:

184-Pin Registered Double Data Rate SDRAM Module
184引脚均录得双数据速率SDRAM模块

存储 内存集成电路 动态存储器 双倍数据速率 时钟
文件: 总38页 (文件大小:1085K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Data Sheet, Rev. 1.0, Mar. 2004  
HYS72D32300GBR–[5/6]–C  
HYS72D64300GBR–[5/6]–C  
HYS72D64320GBR–[5/6]–C  
HYS72D128320GBR–6–C  
184-Pin Registered Double Data Rate SDRAM Module  
Reg DIMM  
DDR SDRAM  
Memory Products  
N e v e r s t o p t h i n k i n g .  
Edition 2004-03  
Published by Infineon Technologies AG,  
St.-Martin-Strasse 53,  
81669 München, Germany  
© Infineon Technologies AG 2004.  
All Rights Reserved.  
Attention please!  
The information herein is given to describe certain components and shall not be considered as a guarantee of  
characteristics.  
Terms of delivery and rights to technical change reserved.  
We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding  
circuits, descriptions and charts stated herein.  
Information  
For further information on technology, delivery terms and conditions and prices please contact your nearest  
Infineon Technologies Office (www.infineon.com).  
Warnings  
Due to technical requirements components may contain dangerous substances. For information on the types in  
question please contact your nearest Infineon Technologies Office.  
Infineon Technologies Components may only be used in life-support devices or systems with the express written  
approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure  
of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support  
devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain  
and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may  
be endangered.  
Data Sheet, Rev. 1.0, Mar. 2004  
HYS72D32300GBR–[5/6]–C  
HYS72D64300GBR–[5/6]–C  
HYS72D64320GBR–[5/6]–C  
HYS72D128320GBR–6–C  
184-Pin Registered Double Data Rate SDRAM Module  
Reg DIMM  
DDR SDRAM  
Memory Products  
N e v e r s t o p t h i n k i n g .  
HYS72D32300GBR–[5/6]–C HYS72D64300GBR–[5/6]–C HYS72D64320GBR–[5/6]–C HYS72D128320GBR–  
6–CHYS72D64300GBR–[5/6]–C HYS72D64320GBR–[5/6]–C  
Revision History:  
Rev. 1.0  
2004-03  
Previous Version:  
Rev. 0.5  
Page  
20,21  
8,22  
Subjects (major changes since last revision)  
Idd values updated  
editorial changes  
24,27  
Changed SPD Code Byte 99 - 127 to FF  
We Listen to Your Comments  
Any information within this document that you feel is wrong, unclear or missing at all?  
Your feedback will help us to continuously improve the quality of this document.  
Please send your proposal (including a reference to this document) to:  
techdoc.mp@infineon.com  
Template: mp_a4_v2.2_2003-10-07.fm  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Table of Contents  
1
1.1  
1.2  
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
2
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
3
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
3.1  
Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
4
Current Specification and Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
4.1  
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
5
6
7
SPD Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30  
Application Note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34  
Data Sheet  
5
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Overview  
1
Overview  
1.1  
Features  
184-Pin Registered 8-Byte Dual-In-Line  
DDR SDRAM Module for “1U” PC, Workstation and Server main memory applications  
One rank 32 M × 72 and 64M × 72 and two ranks 64 M ×72 and 128 M ×72 organization  
JEDEC standard Double Data Rate Synchronous DRAMs (DDR SDRAM) with a single + 2.5 V (± 0.2 V) power  
supply and + 2.6 V (± 0.1 V) power supply for DDR400  
Built with 256-Mbit DDR SDRAMs in P-TFBGA-60-1 packages  
Programmable CAS Latency, Burst Length, and Wrap Sequence (Sequential & Interleave)  
Auto Refresh (CBR) and Self Refresh  
All inputs and outputs SSTL_2 compatible  
Re-drive for all input signals using register and PLL devices.  
Serial Presence Detect with E2PROM  
Low Profile Modules form factor:  
133.35 mm × 28.58 mm × 4.00 mm / 2.64 mm and for 1GB 133.35 mm × 30.48 mm (1.2”)× 4.00 mm  
JEDEC standard reference layout for one rank 256 MB, 512 MB and two ranks 512 MB, 1 GB:  
PC2700 and PC3200 Registered DIMM Raw Cards A,B,C,D  
Gold plated contacts  
Table 1  
Performance  
Part Number Speed Code  
5  
6  
Unit  
Speed Grade  
Component  
Module  
@CL3  
DDR400B  
PC3200–3033  
200  
DDR333B  
PC2700–2533  
166  
max. Clock Frequency  
fCK3  
MHz  
MHz  
MHz  
@CL2.5  
@CL2  
fCK2.5  
fCK2  
166  
166  
133  
133  
1.2  
Description  
The HYS72D[128/64/32][300/320]GBR–[5/6]–C and HYS72D64320GBR–5–C are low profile versions of the  
standard Registered DIMM modules suitable for 1U Server Applications. The Low Profile DIMM versions are  
available as 32 M ×72 (256 MB), 64 M ×72 (512 MB) and 128 M ×72 (1 GB)  
The memory array is designed with Double Data Rate Synchronous DRAMs for ECC applications. All control and  
address signals are re-driven on the DIMM using register devices and a PLL for the clock distribution. This reduces  
capacitive loading to the system bus, but adds one cycle to the SDRAM timing. A variety of decoupling capacitors  
are mounted on the PC board. The DIMMs feature serial presence detect based on a serial E2PROM device using  
the 2-pin I2C protocol. The first 128 bytes are programmed with configuration data and the second 128 bytes are  
available to the customer.  
Data Sheet  
6
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Overview  
Table 2  
Type  
Ordering Information  
Compliance Code  
Description  
SDRAM  
Technology  
PC3200 (CL = 3.0)  
HYS72D32300GBR–5–C PC3200R–30330–A0 1 Rank 256 MB Registered DIMM ECC  
HYS72D64300GBR–5–C PC3200R–30330–C0 1 Rank 512 MB Registered DIMM ECC  
HYS72D64320GBR–5–C PC3200R–30330–B0 2 Ranks 512 MB Registered DIMM ECC  
256 Mbit (×8)  
256 Mbit (×4)  
256 Mbit (×8)  
PC2700 (CL = 2.5, tRP = tRCD = 3 at tCK = 6ns)  
HYS72D32300GBR–6–C PC2700R–25330–A0 1 Rank 256 MB Registered DIMM ECC  
HYS72D64300GBR–6–C PC2700R–25330–C0 1 Rank 512 MB Registered DIMM ECC  
HYS72D64320GBR–6–C PC2700R–25330–B0 2 Ranks 512 MB Registered DIMM ECC  
HYS72D128320GBR–6–C PC2700R–25330–D0 2 Ranks 1 GB Registered DIMM ECC  
256 Mbit (×8)  
256 Mbit (×4)  
256 Mbit (×8)  
256 Mbit (×4)  
Data Sheet  
7
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
2
Pin Configuration  
The pin configuration of the Registered DDR SDRAM Table 3  
DIMM is listed by function in Table 3 (184 pins). The  
abbreviations used in columns Pin and Buffer Type are  
explained in Table 4 and Table 5 respectively. The pin  
Pin Configuration of RDIMM (cont’d)  
Buffer Function  
Type Type  
Pin# Name Pin  
125 A6  
I
I
I
I
I
I
I
I
SSTL Address Bus 11:0  
numbering is depicted in Figure 1.  
29  
122 A8  
27 A9  
A7  
SSTL  
SSTL  
Table 3  
Pin Configuration of RDIMM  
SSTL  
Pin# Name Pin  
Buffer Function  
Type Type  
141 A10  
AP  
SSTL  
Clock Signals  
137 CK0  
SSTL  
I
I
I
I
SSTL Clock Signal  
118 A11  
115 A12  
SSTL  
138 CK0  
SSTL Complement Clock  
SSTL Clock Enable Rank 0  
SSTL Clock Enable Rank 1  
Note:2-rank module  
SSTL Address Signal 12  
21  
CKE0  
Note:Module based on  
256 Mbit or larger  
dies  
111 CKE1  
NC  
NC  
I
Note:128 Mbit based  
module  
NC  
NC  
SSTL Note:1-rank module  
Control Signals  
167 A13  
SSTL Address Signal 13  
157 S0  
158 S1  
I
I
SSTL Chip Select of Rank 0  
SSTL Chip Select of Rank 1  
Note:2-ranks module  
Note:1 Gbit  
module  
based  
NC  
NC  
Note:Module based on  
NC  
NC  
Note:1-rank module  
512 Mbit  
or  
smaller dies  
154 RAS  
I
I
SSTL Row Address Strobe  
65  
CAS  
SSTL Column Address  
Strobe  
63  
10  
WE  
I
SSTL Write Enable  
RESET I  
LV-  
Register Reset  
CMOS Forces registered  
inputs low  
Note:For  
detailed  
description of the  
Power Up and  
Power  
Management see  
the  
Application  
Note at the end of  
data sheet  
Address Signals  
59  
52  
48  
43  
41  
BA0  
BA1  
A0  
I
I
I
I
I
I
I
I
SSTL Bank Address Bus  
1:0  
SSTL  
SSTL Address Bus 11:0  
A1  
SSTL  
A2  
SSTL  
130 A3  
SSTL  
37  
32  
A4  
A5  
SSTL  
SSTL Address Bus 11:0  
Data Sheet  
8
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
Table 3  
Pin Configuration of RDIMM (cont’d)  
Table 3  
Pin Configuration of RDIMM (cont’d)  
Pin# Name Pin  
Buffer Function  
Pin# Name Pin  
Buffer Function  
Type Type  
Type Type  
Data Signals  
150 DQ38 I/O  
151 DQ39 I/O  
SSTL Data Bus 63:0  
2
DQ0  
DQ1  
DQ2  
DQ3  
DQ4  
DQ5  
DQ6  
DQ7  
DQ8  
DQ9  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
SSTL Data Bus 63:0  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
4
61  
64  
68  
69  
DQ40 I/O  
DQ41 I/O  
DQ42 I/O  
DQ43 I/O  
SSTL  
6
SSTL  
8
SSTL  
94  
95  
98  
99  
12  
13  
19  
20  
SSTL  
153 DQ44 I/O  
155 DQ45 I/O  
161 DQ46 I/O  
162 DQ47 I/O  
SSTL  
SSTL  
SSTL  
SSTL  
72  
73  
79  
80  
DQ48 I/O  
DQ49 I/O  
DQ50 I/O  
DQ51 I/O  
SSTL  
DQ10 I/O  
DQ11 I/O  
SSTL  
SSTL  
105 DQ12 I/O  
106 DQ13 I/O  
109 DQ14 I/O  
110 DQ15 I/O  
SSTL  
165 DQ52 I/O  
166 DQ53 I/O  
170 DQ54 I/O  
171 DQ55 I/O  
SSTL  
SSTL  
SSTL  
23  
24  
28  
31  
DQ16 I/O  
DQ17 I/O  
DQ18 I/O  
DQ19 I/O  
SSTL  
83  
84  
87  
88  
DQ56 I/O  
DQ57 I/O  
DQ58 I/O  
DQ59 I/O  
SSTL  
SSTL  
SSTL  
114 DQ20 I/O  
117 DQ21 I/O  
121 DQ22 I/O  
123 DQ23 I/O  
SSTL  
174 DQ60 I/O  
175 DQ61 I/O  
178 DQ62 I/O  
179 DQ63 I/O  
SSTL  
SSTL  
SSTL  
33  
35  
39  
40  
DQ24 I/O  
DQ25 I/O  
DQ26 I/O  
DQ27 I/O  
SSTL  
44  
45  
49  
51  
CB0  
CB1  
CB2  
CB3  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
SSTL Check Bits 7:0  
SSTL  
SSTL  
126 DQ28 I/O  
127 DQ29 I/O  
131 DQ30 I/O  
133 DQ31 I/O  
SSTL  
134 CB4  
135 CB5  
142 CB6  
144 CB7  
SSTL  
SSTL  
SSTL  
53  
55  
57  
60  
DQ32 I/O  
DQ33 I/O  
DQ34 I/O  
DQ35 I/O  
SSTL  
5
DQS0 I/O  
DQS1 I/O  
DQS2 I/O  
DQS3 I/O  
DQS4 I/O  
DQS5 I/O  
SSTL Data Strobes 8:0  
Note:See  
diagram  
block  
for  
14  
25  
36  
56  
67  
SSTL  
SSTL  
SSTL  
SSTL  
SSTL  
corresponding  
DQ signals  
146 DQ36 I/O  
147 DQ37 I/O  
Data Sheet  
9
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
Table 3  
Pin# Name Pin  
Type Type  
Pin Configuration of RDIMM (cont’d)  
Table 3  
Pin Configuration of RDIMM (cont’d)  
Buffer Function  
Pin# Name Pin  
Buffer Function  
Type Type  
78  
86  
47  
97  
DQS6 I/O  
DQS7 I/O  
DQS8 I/O  
SSTL Data Strobes 8:0  
SSTL  
EEPROM  
92  
91  
SCL  
SDA  
I
CMOS Serial Bus Clock  
SSTL  
I/O  
OD  
Serial Bus Data  
DM0  
DQS9 I/O  
107 DM1  
DQS10 I/O  
I
SSTL Data Mask 0  
Note:×8 based module  
SSTL Data Strobe 9  
Note:×4 based module  
SSTL Data Mask 1  
Note:×8 based module  
SSTL Data Strobe 10  
Note:×4 based module  
SSTL Data Mask 2  
Note:×8 based module  
SSTL Data Strobe 11  
Note:×4 based module  
SSTL Data Mask 3  
Note:×8 based module  
SSTL Data Strobe 12  
Note:×4 based module  
SSTL Data Mask 4  
Note:×8 based module  
SSTL Data Strobe 13  
Note:×4 based module  
SSTL Data Mask 5  
Note:×8 based module  
SSTL Data Strobe 14  
Note:×4 based module  
SSTL Data Mask 6  
Note:×8 based module  
SSTL Data Strobe 15  
Note:×4 based module  
SSTL Data Mask 7  
Note:×8 based module  
SSTL Data Strobe 16  
Note:×4 based module  
SSTL Data Mask 8  
Note:×8 based module  
SSTL Data Strobe 17  
Note:×4 based module  
181 SA0  
182 SA1  
183 SA2  
I
I
I
CMOS Slave Address Select  
Bus 2:0  
CMOS  
CMOS  
Power Supplies  
AI  
184 VDDSPD PWR –  
I
1
VREF  
I/O Reference Voltage  
EEPROM Power  
Supply  
15, VDDQ  
22,  
30,  
54,  
62,  
PWR –  
I/O Driver Power  
Supply  
119 DM2  
I
DQS11 I/O  
77,  
96,  
129 DM3  
I
104,  
112,  
128,  
136,  
143,  
156,  
164,  
172,  
180  
DQS12 I/O  
149 DM4  
I
DQS13 I/O  
7,  
VDD  
PWR –  
Power Supply  
159 DM5  
I
38,  
46,  
70,  
85,  
108,  
120,  
148,  
168  
DQS14 I/O  
169 DM6  
I
DQS15 I/O  
177 DM7  
I
DQS16 I/O  
140 DM8  
I
DQS17 I/O  
Data Sheet  
10  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
Table 3  
Pin# Name Pin  
Type Type  
Pin Configuration of RDIMM (cont’d)  
Table 4  
Abbreviations for Pin Type  
Buffer Function  
Abbreviation Description  
I
Standard input-only pin. Digital levels.  
Output. Digital levels.  
3,  
VSS  
GND  
Ground Plane  
O
11,  
I/O  
AI  
I/O is a bidirectional input/output signal.  
Input. Analog levels.  
18,  
26,  
34,  
42,  
50,  
58,  
PWR  
GND  
NU  
NC  
Power  
Ground  
Not Usable (JEDEC Standard)  
Not Connected (JEDEC Standard)  
66,  
74,  
81,  
89,  
Table 5  
Abbreviations for Buffer Type  
Abbreviation Description  
93,  
100,  
116,  
124,  
132,  
139,  
145,  
152,  
160,  
176  
SSTL  
Serial Stub Terminalted Logic (SSTL2)  
LV-CMOS  
CMOS  
OD  
Low Voltage CMOS  
CMOS Levels  
Open Drain. The corresponding pin has 2  
operational states, active low and tristate,  
and allows multiple devices to share as a  
wire-OR.  
Other Pins  
82  
VDDID  
O
OD  
V
DD Identification  
Note:Pin in tristate,  
indicating VDD  
and VDDQ nets  
connected  
PCB  
on  
9,  
NC  
NC  
Not connected  
16,  
17,  
Pins not connected on  
Infineon RDIMM’s  
71,  
75,  
76,  
90,  
101,  
102,  
103,  
113,  
163,  
173  
Data Sheet  
11  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
VREF - Pin 001  
DQS0 - Pin 005  
NC - Pin 009  
DQ09 - Pin 013  
NC - Pin 017  
CKE0 - Pin 021  
DQS2 - Pin 025  
A7 - Pin 029  
DQ24 - Pin 033  
A4 - Pin 037  
Pin 002 - DQ00  
Pin 004 - DQ01  
Pin 006 - DQ02  
Pin 008 - DQ03  
Pin 010 - RESET  
Pin 012 - DQ08  
Pin 014 - DQS1  
Pin 016 - NC  
V
V
SS - Pin 003  
DD - Pin 007  
V
SS - Pin 011  
V
DDQ - Pin 015  
DQ10 - Pin 019  
DQ16 - Pin 023  
A9 - Pin 027  
Pin 018 - VSS  
Pin 020 - DQ11  
Pin 022 - VDDQ  
Pin 024 - DQ17  
Pin 026 - VSS  
Pin 028 - DQ18  
Pin 030 - VDDQ  
DQ19 - Pin 031  
DQ25 - Pin 035  
DQ26 - Pin 039  
Pin 032 - A5  
VSS  
VDD  
Pin 034 -  
Pin 038 -  
Pin 036 - DQS3  
Pin 040 - DQ27  
A2 - Pin 041  
CB01 - Pin 045  
CB02 - Pin 049  
DQ32 - Pin 053  
DQ34 - Pin 057  
DQ40 - Pin 061  
CAS - Pin 065  
DQ43 - Pin 069  
DQ49 - Pin 073  
VDDQ - Pin 077  
Pin 042 - VSS  
VDD  
A1 - Pin 043  
DQS8 - Pin 047  
CB03 - Pin 051  
DQ33 - Pin 055  
BA0 - Pin 059  
WE - Pin 063  
DQS5 - Pin 067  
NC - Pin 071  
Pin 044 - CB00  
Pin 048 - A0  
Pin 046 -  
Pin 050 - VSS  
Pin 054 - VDDQ  
Pin 058 - VSS  
Pin 062 - VDDQ  
Pin 066 - VSS  
Pin 052 - BA1  
Pin 056 - DQS4  
Pin 060 - DQ35  
Pin 064 - DQ41  
Pin 068 - DQ42  
Pin 072 - DQ48  
Pin 076 - NC  
Pin 080 - DQ51  
Pin 084 - DQ57  
Pin 088 - DQ59  
Pin 092 - SCL  
VDD  
Pin 070 -  
Pin 074 - VSS  
Pin 078 - DQS6  
VDDID  
Pin 082 -  
NC - Pin 075  
DQ50 - Pin 079  
DQ56 - Pin 083  
DQ58 - Pin 087  
SDA - Pin 091  
DQ05 - Pin 095  
DQ07 - Pin 099  
NC - Pin 103  
V
SS - Pin 081  
V
DD - Pin 085  
Pin 086 - DQS7  
Pin 090 - NC  
Pin 094 - DQ04  
Pin 098 - DQ06  
Pin 102 - NC  
Pin 106 - DQ13  
Pin 110 - DQ15  
Pin 114 - DQ20  
Pin 118 - A11  
Pin 122 - A8  
Pin 126 - DQ28  
Pin 130 - A3  
Pin 134 - DQ04  
Pin 138 - CK0  
Pin 142 - CB06  
Pin 146 - DQ36  
Pin 150 - DQ38  
Pin 154 - RAS  
Pin 158 - S1 /NC  
Pin 162 - DQ47  
Pin 166 - DQ53  
Pin 170 - DQ54  
Pin 174 - DQ60  
Pin 178 - DQ62  
Pin 182 - SA1  
V
V
SS - Pin 089  
SS - Pin 093  
VDDQ  
VSS  
VDDQ  
VDD  
VDDQ  
VSS  
VDD  
VSS  
VDDQ  
VSS  
Pin 096 -  
Pin 100 -  
Pin 104 -  
Pin 108 -  
Pin 112 -  
Pin 116 -  
Pin 120 -  
Pin 124 -  
Pin 128 -  
Pin 132 -  
Pin 136 -  
DM00/DQS9 - Pin 097  
NC - Pin 101  
DQ12 - Pin 105  
DQ14 - Pin 109  
NC - Pin 113  
DQ21 - Pin 117  
DQ22 - Pin 121  
A6 - Pin 125  
DM1/DQS10 - Pin 107  
CKE1/NC - Pin 111  
A12/NC - Pin 115  
DM2/DQS11 - Pin 119  
DQ23 - Pin 123  
DQ29 - Pin 127  
DQ30 - Pin 131  
CB5 - Pin 135  
DM3/DQS12 - Pin 129  
DQ31 - Pin 133  
CK0 - Pin 137  
VDDQ  
V
SS - Pin 139  
Pin 140 - DM8/DQS17  
Pin 144 - CB07  
A10/AP - Pin 141  
V
DDQ - Pin 143  
DQ37 - Pin 147  
DQ39 - Pin 151  
DQ45 - Pin 155  
DM5/DQS14 - Pin 159  
NC - Pin 163  
V
SS - Pin 145  
VDD  
VSS  
VDDQ  
VSS  
VDDQ  
VDD  
VDDQ  
VSS  
VDDQ  
Pin 148 -  
Pin 152 -  
Pin 156 -  
Pin 160 -  
Pin 164 -  
Pin 168 -  
Pin 172 -  
Pin 176 -  
Pin 180 -  
DM4/DQS13 - Pin 149  
DQ44 - Pin 153  
S0 - Pin 157  
DQ46 - Pin 161  
DQ52 - Pin 165  
DM6/DQS15 - Pin 169  
NC - Pin 173  
A13/NC - Pin 167  
DQ55 - Pin 171  
DQ61 - Pin 175  
DQ63 - Pin 179  
SA2 - Pin 183  
DM7/DQS16 - Pin 177  
SA0 - Pin 181  
Pin 184 - VDDSPD  
MPPD0020  
Figure 1  
Table 6  
Pin Configuration 184 Pins, Reg  
Address Table  
Density Organization Memory SDRAMs # of SDRAMs # of row/rank/ Refresh Period Interval  
Ranks  
columns bits  
256 MB 32 M ×72  
512 MB 64 M ×72  
1
1
32 M ×8  
64 M ×4  
9
18  
13 / 2 / 10  
13 / 2 / 11  
8 K  
8 K  
64 ms 7.8 µs  
64 ms 7.8 µs  
Data Sheet  
12  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
Table 6  
Address Table  
Density Organization Memory SDRAMs # of SDRAMs # of row/rank/ Refresh Period Interval  
Ranks  
columns bits  
512 MB 64 M ×72  
2
2
32 M ×8  
64 M ×4  
18  
36  
13 / 2 / 10  
13 / 2 / 11  
8 K  
8 K  
64 ms 7.8 µs  
64 ms 7.8 µs  
1 GB  
128 M ×72  
CK0  
CK0  
S0  
PCK  
PCK  
PLL  
RS0  
CS: SDRAMs D0- D8  
CKE0  
RCKE0  
RBA0 - RBA1  
RA0-RAn  
RRAS  
CKE: SDRAMs D0 - D8  
BA0 - BA1: SDRAMs D0 - D8  
A0 - An: SDRAMs D0 - D8  
RAS: SDRAMs D0 - D8  
CAS: SDRAMs D0 - D8  
WE: SDRAMs D0 - D8  
R
E
G
I
BA0 - BA1  
A0 - An  
RAS  
CAS  
RCAS  
S
T
E
R
WE  
RWE  
PCK  
PCK  
RESET  
S0  
D3  
D6  
D0  
D1  
D2  
DM0/DQS9  
DQS0  
DQ0  
DM CS  
DQS  
I/O 0  
DM3/DQS12  
DQS3  
DQ24  
DM CS  
DQS  
I/O 0  
DM6/DQS15  
DQS6  
DQ48  
DM CS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQ1  
DQ25  
I/O 1  
DQ49  
I/O 1  
DQ2  
DQ26  
I/O 2  
DQ50  
I/O 2  
DQ3  
DQ27  
I/O 3  
DQ51  
I/O 3  
DQ4  
I/O 4  
DQ28  
I/O 4  
DQ52  
DQ5  
DQ29  
I/O 5  
DQ53  
I/O 5  
DQ6  
DQ30  
I/O 6  
DQ54  
I/O 6  
DQ7  
I/O 7  
DQ31  
I/O 7  
DQ55  
D4  
D5  
D7  
D8  
DM1/DQS10  
DQS1  
DQ8  
DM CS  
DQS  
I/O 0  
DM4/DQS13  
DQS4  
DQ32  
DM CS  
DQS  
I/O 0  
DM7/DQS16  
DQS7  
DQ56  
DM CS  
DQS  
I/O 0  
DQ9  
I/O 1  
DQ33  
I/O 1  
DQ57  
I/O 1  
DQ10  
DQ11  
DQ12  
DQ13  
DQ14  
DQ15  
I/O 2  
DQ34  
I/O 2  
DQ58  
I/O 2  
I/O 3  
DQ35  
I/O 3  
DQ59  
I/O 3  
I/O 4  
DQ36  
I/O 4  
DQ60  
I/O 4  
I/O 5  
DQ37  
I/O 5  
DQ61  
I/O 5  
I/O 6  
DQ38  
I/O 6  
DQ62  
I/O 6  
I/O 7  
DQ39  
I/O 7  
DQ63  
I/O 7  
DM2/DQS11  
DQS2  
DQ16  
DM CS  
DQS  
I/O 0  
DM5/DQS14  
DQS5  
DQ40  
DM CS  
DQS  
I/O 0  
DM8/DQS17  
DQS8  
CB0  
DM CS  
DQS  
I/O 0  
DQ17  
I/O 1  
DQ41  
I/O 1  
CB1  
I/O 1  
DQ18  
I/O 2  
DQ42  
I/O 2  
CB2  
I/O 2  
DQ19  
I/O 3  
DQ43  
I/O 3  
CB3  
I/O 3  
DQ20  
I/O 4  
DQ44  
I/O 4  
CB4  
I/O 4  
DQ21  
I/O 5  
DQ45  
I/O 5  
CB5  
I/O 5  
DQ22  
I/O 6  
DQ46  
I/O 6  
CB6  
I/O 6  
DQ23  
I/O 7  
DQ47  
I/O 7  
CB7  
I/O 7  
E0  
VDD,SPD  
V
DD: SPD EEPROM E0  
DD/VDDQ: SDRAMs D0 - D8  
REF: SDRAMs D0 - D8  
SS: SDRAMs D0 - D8  
SCL  
SAD  
SA0  
SA1  
SA2  
VSS  
SCL  
SAD  
A0  
V
DD/VDDQ  
V
V
V
VREF  
A1  
VSS  
A2  
VDDID  
WP  
Strap: see Note 1  
MPBD1101  
Figure 2  
Notes  
Block Diagram Raw Card A ×72 1 Rank ×8, ECC  
3. BAn, An, RAS, CAS, WE resistors are 22 ohms  
± 5%  
1. VDD = VDDQ, therefore VDDID strap open  
2. DQ, DQS, DM resistors are 22 ohms ± 5%  
Data Sheet  
13  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
CK0  
CK0  
PCK  
PCK  
PLL  
S0  
CKE0  
S1  
RS0  
R
E
G
I
RCKE0  
RS1  
CKE: SDRAMs D0 - D8  
CKE1  
BA0 - BA1  
A0 - An  
RAS  
RCKE1  
RBA0 - RBA1  
RA0 - RAn  
RRAS  
CKE: SDRAMs D9 - D17  
BA0 - BA1: SDRAMs D0 - D17  
A0 - An: SDRAMs D0 - D17  
RAS: SDRAMs D0 - D17  
CAS: SDRAMs D0 - D17  
WE: SDRAMs D0 - D17  
S
T
E
R
E0  
SCL  
SAD  
SA0  
SA1  
SA2  
VSS  
SCL  
SAD  
A0  
CAS  
RCAS  
WE  
RWE  
A1  
PCK  
A2  
PCK  
WP  
RESET  
S0  
S1  
D0  
D1  
D2  
D3  
D9  
D4  
D5  
D6  
D7  
D8  
D13  
CS  
CS  
CS  
CS  
CS  
DM  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
DM0/DQS9  
DQS0  
DQ0  
DM4/DQS13  
DM  
DM  
DM  
DQS4  
DQ32  
DQ33  
DQ34  
DQ35  
DQ36  
DQ37  
DQ38  
DQ39  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
I/O 0  
DQ1  
I/O 1  
DQ2  
I/O 2  
DQ3  
I/O 3  
DQ4  
I/O 4  
DQ5  
I/O 5  
DQ6  
I/O 6  
DQ7  
I/O 7  
D10  
D11  
D12  
D14  
D15  
D16  
D17  
CS  
DM  
DM5/DQS14  
DQS5  
DQ40  
DM  
DM  
DM  
DM1/DQS10  
DQS1  
DQ8  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
I/O 0  
DQ41  
I/O 1  
DQ9  
DQ42  
I/O 2  
DQ10  
DQ11  
DQ12  
DQ13  
DQ14  
DQ15  
DQ43  
I/O 3  
DQ44  
I/O 4  
DQ45  
I/O 5  
DQ46  
I/O 6  
DQ47  
I/O 7  
CS  
DM  
DM2/DQS11  
DQS2  
DQ16  
DM6/DQS15  
DQS6  
DQ48  
DM  
DM  
DM  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
I/O 0  
DQ17  
DQ49  
I/O 1  
DQ18  
DQ50  
I/O 2  
DQ19  
DQ51  
I/O 3  
DQ20  
DQ52  
I/O 4  
DQ21  
DQ53  
I/O 5  
DQ22  
DQ54  
I/O 6  
DQ23  
DQ55  
I/O 7  
CS  
DM  
DM7/DQS16  
DQS7  
DQ56  
DM  
DM  
DM  
DM3/DQS12  
DQS3  
DQ24  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
I/O 0  
DQ57  
I/O 1  
DQ25  
DQ58  
I/O 2  
DQ26  
DQ59  
I/O 3  
DQ27  
DQ60  
I/O 4  
DQ28  
DQ61  
I/O 5  
DQ29  
DQ62  
I/O 6  
DQ30  
DQ63  
I/O 7  
DQ31  
DM8/DQS17  
DQS8  
CB0  
DM  
DM  
VDD,SPD  
V
V
V
V
DD: SPD EEPROM E0  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 4  
I/O 5  
I/O 6  
I/O 7  
V
DD/VDDQ  
DD/VDDQ: SDRAMs D0 - D17  
REF: SDRAMs D0 - D17  
SS: SDRAMs D0 - D17  
VREF  
CB1  
CB2  
VSS  
CB3  
VDDID  
DM: SDRAMs D0 - D17  
CB4  
CB5  
Strap: see Note 1  
CB6  
CB7  
MPBD1401  
Figure 3  
Notes  
Block Diagram Raw Card B ×72, 2Ranks ×8, ECC  
3. BAn, An, RAS, CAS, WE resistors are 22 ohms  
±5%  
4. For Wire per Clock Loading please see Figure:  
“Diferential Clock Net Wiring“  
1. VDD = VDDQ, therefore VDDID strap open  
2. DQ, DQS, DM resistors are 22 ohms ±5%  
Data Sheet  
14  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
CK0  
CK0  
PCK  
PCK  
PLL  
S0  
CKE0  
BA0 - BA1  
A0 - An  
RAS  
RS0  
CS: SDRAMs D0- D17  
RCKE0  
RBA0 - RBA1  
RA0 - RAn  
RRAS  
CKE: SDRAMs D0 - D17  
BA0 - BA1: SDRAMs D0 - D17  
A0 - An: SDRAMs D0 - D17  
RAS: SDRAMs D0 - D17  
CAS: SDRAMs D0 - D17  
WE: SDRAMs D0 - D17  
R
E
G
I
CAS  
RCAS  
S
T
E
R
WE  
RWE  
PCK  
PCK  
RESET  
RS0  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
CS  
D12  
D13  
D14  
D15  
D16  
D17  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
CS  
DQS0  
DQ0  
DQ1  
DQ2  
DQ3  
DQS  
DQS6  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS12  
DQ28  
DQ29  
DQ30  
DQ31  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQ48  
DQ49  
DQ50  
DQ51  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
D7  
CS  
DQS1  
DQ8  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS7  
DQ56  
DQ57  
DQ58  
DQ59  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS13  
DQ36  
DQ37  
DQ38  
DQ39  
DQ9  
DQ10  
DQ11  
D8  
CS  
DQS2  
DQ16  
DQ17  
DQ18  
DQ19  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS8  
CB0  
CB1  
CB2  
CB3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS14  
DQ44  
DQ45  
DQ46  
DQ47  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
D9  
CS  
DQS3  
DQ24  
DQ25  
DQ26  
DQ27  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS9  
DQ4  
DQ5  
DQ6  
DQ7  
DQS15  
DQ52  
DQ53  
DQ54  
DQ55  
D10  
CS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS10  
DQ12  
DQ13  
DQ14  
DQ15  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS16  
DQ60  
DQ61  
DQ62  
DQ63  
DQS4  
DQ32  
DQ33  
DQ34  
DQ35  
D11  
CS  
DQS11  
DQ20  
DQ21  
DQ22  
DQ23  
DQS17  
CB4  
DQS5  
DQ40  
DQ41  
DQ42  
DQ43  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
CB5  
CB6  
CB7  
E0  
VDD,SPD  
SCL  
SAD  
SA0  
SA1  
SA2  
VSS  
SCL  
SAD  
A0  
V
V
V
V
DD: SPD EEPROM E0  
V
DD/VDDQ  
VREF  
DD/VDDQ: SDRAMs D0 - D17  
REF: SDRAMs D0 - D17  
SS: SDRAMs D0 - D17  
A1  
VSS  
VDDID  
A2  
WP  
Strap: see Note 1  
MPBD1501  
Figure 4  
Notes  
Block Diagram Raw Card C ×72 1 Rank ×4, ECC  
3. BAn, An, RAS, CAS, WE resistors are 22 ohms  
± 5%  
1. VDD = VDDQ, therefore VDDID strap open  
2. DQ, DQS, DM resistors are 22 ohms ± 5%  
Data Sheet  
15  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Pin Configuration  
CK0  
CK0  
PCK  
PCK  
VDD,SPD  
PLL  
V
V
V
V
DD: SPD EEPROM E0  
DD/VDDQ: SDRAMs D0 - D35  
REF: SDRAMs D0 - D35  
SS: SDRAMs D0 - D35  
V
DD/VDDQ  
S0  
CKE0  
S1  
RS0  
VREF  
R
E
G
I
RCKE0  
RS1  
VSS  
VDDID  
CKE1  
BA0 - BA1  
A0 - An  
RAS  
RCKE1  
RBA0 - RBA1  
RA0-RAn  
RRAS  
DM: SDRAMs D0 - D35  
BA0 - BA1: SDRAMs D0 - D35  
A0 - An: SDRAMs D0 - D35  
RAS: SDRAMs D0 - D35  
CAS: SDRAMs D0 - D35  
WE: SDRAMs D0 - D35  
Strap: see Note 1  
S
T
E
R
E0  
SCL  
SAD  
SA0  
SA1  
SA2  
VSS  
SCL  
SAD  
A0  
CAS  
RCAS  
WE  
RWE  
A1  
PCK  
A2  
PCK  
WP  
RESET  
RS0  
RCKE0  
RS1  
RCKE1  
D6  
D4  
D5  
D7  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS0  
DQ0  
DQ1  
DQ2  
DQ3  
DQS7  
DQ56  
DQ57  
DQ58  
DQ59  
DQS  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
D2  
D0  
D1  
D3  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS6  
DQ48  
DQ49  
DQ50  
DQ51  
DQS1  
DQ8  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQ9  
DQ10  
DQ11  
D12  
D8  
D14  
D13  
D9  
D15  
D11  
D23  
D19  
D27  
D31  
D35  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS10  
DQ12  
DQ13  
DQ14  
DQ15  
DQS15  
DQ52  
DQ53  
DQ54  
DQ55  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
D10  
D22  
D18  
D26  
D30  
D34  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS9  
DQ4  
DQ5  
DQ6  
DQ7  
DQS16  
DQ60  
DQ61  
DQ62  
DQ63  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
D20  
D16  
D24  
D28  
D32  
D21  
D17  
D25  
D28  
D33  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS11  
DQ20  
DQ21  
DQ22  
DQ23  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS14  
DQ44  
DQ45  
DQ46  
DQ47  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS2  
DQ16  
DQ17  
DQ18  
DQ19  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS5  
DQ40  
DQ41  
DQ42  
DQ43  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS3  
DQ24  
DQ25  
DQ26  
DQ27  
DQS4  
DQ32  
DQ33  
DQ34  
DQ35  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS17  
CB4  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS8  
CB0  
CB1  
CB2  
CB3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
CB5  
CB6  
CB7  
CKE CS  
CKE CS  
CKE CS  
CKE CS  
DQS12  
DQ28  
DQ29  
DQ30  
DQ31  
DQS13  
DQ36  
DQ37  
DQ38  
DQ39  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
DQS  
I/O 0  
I/O 1  
I/O 2  
I/O 3  
MPBD1061  
Figure 5  
Notes  
Block Diagram Raw Card D ×72 2 Ranks ×4, ECC  
3. BAn, An, RAS, CAS, WE resistors are 22 ohms  
±
5%  
4. For Wire per Clock Loading please see Figure  
“Differental Clock Net Wiring“  
1. VDD = VDDQ, therefore VDDID strap open  
2. DQ, DQS, DM resistors are 18 ohms ± 5%  
Data Sheet  
16  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Electrical Characteristics  
3
Electrical Characteristics  
3.1  
Operating Conditions  
Table 7  
Absolute Maximum Ratings  
Parameter  
Symbol  
Values  
typ.  
Unit Note/ Test  
Condition  
min.  
VIN, VOUT –0.5  
max.  
Voltage on I/O pins relative to VSS  
Voltage on inputs relative to VSS  
Voltage on VDD supply relative to VSS  
Voltage on VDDQ supply relative to VSS  
Operating temperature (ambient)  
Storage temperature (plastic)  
V
DDQ +0.5  
V
VIN  
–1  
–1  
–1  
0
+3.6  
+3.6  
+3.6  
+70  
+150  
V
VDD  
VDDQ  
TA  
V
V
°C  
°C  
W
mA  
TSTG  
PD  
-55  
Power dissipation (per SDRAM component)  
Short circuit output current  
1
IOUT  
50  
Attention: Permanent damage to the device may occur if “Absolute Maximum Ratings” are exceeded. This  
is a stress rating only, and functional operation should be restricted to recommended operation  
conditions. Exposure to absolute maximum rating conditions for extended periods of time may  
affect device reliability and exceeding only one of the values may cause irreversible damage to  
the integrated circuit.  
Table 8  
Electrical Characteristics and DC Operating Conditions  
Parameter  
Symbol  
Values  
Typ.  
Unit Note/Test Condition 1)  
Min.  
2.3  
2.5  
2.3  
2.5  
Max.  
2.7  
2.7  
2.7  
2.7  
3.6  
0
Device Supply Voltage  
Device Supply Voltage  
Output Supply Voltage  
Output Supply Voltage  
EEPROM supply voltage  
VDD  
2.5  
2.6  
2.5  
2.6  
2.5  
V
V
V
V
V
V
fCK 166 MHz  
CK > 166 MHz 2)  
fCK 166 MHz 3)  
CK > 166 MHz 2)3)  
VDD  
f
VDDQ  
VDDQ  
f
VDDSPD 2.3  
Supply Voltage, I/O Supply VSS,  
0
Voltage  
VSSQ  
VREF  
VTT  
4)  
5)  
Input Reference Voltage  
0.49 × VDDQ 0.5 × VDDQ 0.51 × VDDQ  
V
I/O Termination Voltage  
(System)  
V
REF – 0.04  
V
REF + 0.04 V  
8)  
8)  
8)  
Input High (Logic1) Voltage VIH(DC)  
Input Low (Logic0) Voltage VIL(DC)  
V
REF + 0.15  
V
V
V
DDQ + 0.3  
V
–0.3  
REF – 0.15 V  
Input Voltage Level,  
CK and CK Inputs  
VIN(DC) –0.3  
DDQ + 0.3  
DDQ + 0.6  
V
8)6)  
7)  
Input Differential Voltage, VID(DC) 0.36  
CK and CK Inputs  
V
V
VI-Matching Pull-up  
Current to Pull-down  
Current  
VIRatio  
0.71  
1.4  
Data Sheet  
17  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Electrical Characteristics  
Table 8  
Electrical Characteristics and DC Operating Conditions (cont’d)  
Parameter  
Symbol  
Values  
Typ.  
Unit Note/Test Condition 1)  
Min.  
Max.  
Input Leakage Current  
Output Leakage Current  
II  
–2  
2
µA Any input 0 V VIN VDD;  
All other pins not under test  
= 0 V 8)9)  
IOZ  
IOH  
IOL  
–5  
5
µA DQs are disabled;  
0 V VOUT VDDQ  
Output High Current,  
Normal Strength Driver  
–16.2  
mA  
V
OUT = 1.95 V  
Output Low  
16.2  
mA  
V
OUT = 0.35 V  
Current, Normal Strength  
Driver  
1) 0 °C TA 70 °C  
2) DDR400 conditions apply for all clock frequencies above 166 MHz  
3) Under all conditions, VDDQ must be less than or equal to VDD  
4) Peak to peak AC noise on VREF may not exceed ± 2% VREF (DC). VREF is also expected to track noise variations in VDDQ  
5) VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal  
to VREF, and must track variations in the DC level of VREF  
.
.
.
6) VID is the magnitude of the difference between the input level on CK and the input level on CK.  
7) The ratio of the pull-up current to the pull-down current is specified for the same temperature and voltage, over the entire  
temperature and voltage range, for device drain to source voltage from 0.25 to 1.0 V. For a given output, it represents the  
maximum difference between pull-up and pull-down drivers due to process variation.  
8) Inputs are not recognized as valid until VREF stabilizes.  
9) Values are shown per DDR SDRAM component  
Data Sheet  
18  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Current Specification and Conditions  
4
Current Specification and Conditions  
Table 9  
IDD Conditions  
Parameter  
Symbol  
Operating Current 0  
IDD0  
one bank; active/ precharge; DQ, DM, and DQS inputs changing once per clock cycle;  
address and control inputs changing once every two clock cycles.  
Operating Current 1  
IDD1  
one bank; active/read/precharge; Burst Length = 4; see component data sheet.  
Precharge Power-Down Standby Current  
all banks idle; power-down mode; CKE VIL,MAX  
IDD2P  
IDD2F  
Precharge Floating Standby Current  
CS VIH,,MIN, all banks idle; CKE VIH,MIN  
;
address and other control inputs changing once per clock cycle; VIN = VREF for DQ, DQS and DM.  
Precharge Quiet Standby Current  
IDD2Q  
CS VIHMIN, all banks idle; CKE VIH,MIN; VIN = VREF for DQ, DQS and DM;  
address and other control inputs stable at VIH,MIN or VIL,MAX  
.
Active Power-Down Standby Current  
one bank active; power-down mode; CKE VILMAX; VIN = VREF for DQ, DQS and DM.  
IDD3P  
IDD3N  
Active Standby Current  
one bank active; CS VIH,MIN; CKE VIH,MIN; tRC = tRAS,MAX  
DQ, DM and DQS inputs changing twice per clock cycle;  
address and control inputs changing once per clock cycle.  
;
Operating Current Read  
IDD4R  
one bank active; Burst Length = 2; reads; continuous burst;  
address and control inputs changing once per clock cycle;  
50% of data outputs changing on every clock edge;  
CL = 2 for DDR266(A), CL = 3 for DDR333 and DDR400B; IOUT = 0 mA  
Operating Current Write  
IDD4W  
one bank active; Burst Length = 2; writes; continuous burst;  
address and control inputs changing once per clock cycle;  
50% of data outputs changing on every clock edge;  
CL = 2 for DDR266(A), CL = 3 for DDR333 and DDR400B  
Auto-Refresh Current  
IDD5  
IDD6  
IDD7  
t
RC = tRFCMIN, burst refresh  
Self-Refresh Current  
CKE 0.2 V; external clock on  
Operating Current 7  
four bank interleaving with Burst Length = 4; see component data sheet.  
Data Sheet  
19  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Current Specification and Conditions  
Table 10  
IDD Specification for PC3200  
Unit  
Note/ Test Conditions1) 2)  
256 MB  
×72  
512 MB  
×72  
512 MB  
×72  
1 Rank  
–5  
1 Rank  
–5  
2 Ranks  
–5  
Symbol  
IDD0  
Typ.  
1510  
1600  
680  
Max.  
1690  
1780  
689  
Typ.  
2140  
2320  
716  
Max.  
2500  
2680  
734  
Typ.  
1852  
1942  
788  
Max.  
2095  
2185  
824  
3)  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
mA  
3)4)  
5)  
IDD1  
IDD2P  
IDD2F  
IDD2Q  
IDD3P  
IDD3N  
IDD4R  
IDD4W  
IDD5  
5)  
914  
968  
1184  
1004  
878  
1292  
1148  
968  
1184  
1004  
878  
1292  
1148  
968  
5)  
824  
896  
5)  
761  
806  
5)  
986  
1049  
1780  
1825  
2590  
670  
1328  
2410  
2500  
3400  
669  
1454  
2680  
2770  
4300  
694  
1328  
1987  
2032  
2482  
669  
1454  
2185  
2230  
2995  
694  
3)4)  
3)  
1645  
1690  
2140  
657  
3)  
5)  
IDD6  
3)4)  
IDD7  
2770  
3130  
4660  
5380  
3112  
3535  
1) Test condition for maximum values: VDD = 2.7 V, TA = 10 °C  
2) Module IDD is calculated on the basis of component IDD and includes Register an PLL  
3) The module IDD values are calculated from the component IDD datasheet values are:  
n * IDD×[component] for single bank modules (n: number of components per module bank)  
n * IDD×[component] + n * IDD3N[component] for two bank modules (n: number of components per module bank)  
4) DQ I/O (IDDQ) currents are not included into calculations: module IDD values will be measured differently depending on load  
conditions  
5) The module IDD values are calculated from the component IDD datasheet values are:  
n * IDD×[component] for single bank modules (n: number of components per module bank)  
2 * n * IDD×[component] for single two bank modules (n: number of components per module bank)  
Data Sheet  
20  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Current Specification and Conditions  
Table 11  
IDD Specification for PC2700  
Unit Note/ Test Conditions1) 2)  
256 MB  
×72  
512 MB  
×72  
512 MB  
×72  
1 GB  
×72  
1 Rank  
–6  
1 Rank  
–6  
2 Ranks  
–6  
2 Ranks  
–6  
Symbol Typ.  
Max. Typ.  
Max. Typ.  
Max. Typ.  
Max.  
3)  
IDD0  
1270 1405 1810 2080 1558 1747 2386 2764 mA  
1360 1495 1990 2260 1648 1837 2566 2944 mA  
3)4)  
5)  
IDD1  
IDD2P  
IDD2F  
IDD2Q  
IDD3P  
IDD3N  
IDD4R  
IDD4W  
IDD5  
466  
655  
583  
529  
718  
475  
700  
646  
565  
772  
502  
880  
736  
628  
520  
970  
862  
700  
574  
880  
736  
628  
610  
970  
862  
700  
718  
790  
mA  
5)  
1330 1510 mA  
1042 1294 mA  
5)  
5)  
826  
970  
mA  
5)  
1006 1114 1006 1114 1582 1798 mA  
3)4)  
3)  
1360 1495 1990 2260 1648 1837 2566 2944 mA  
1405 1540 2080 2350 1693 1882 2656 3034 mA  
1810 2170 2890 3610 2098 2512 3466 4294 mA  
3)  
5)  
IDD6  
443  
455  
455  
480  
455  
480  
480  
531  
mA  
3)4)  
IDD7  
2350 2665 3970 4600 2638 3007 4546 5284 mA  
1) Test condition for maximum values: VDD = 2.7 V, TA = 10 °C  
2) Module IDD is calculated on the basis of component IDD and includes Register an PLL  
3) The module IDD values are calculated from the component IDD datasheet values are:  
n * IDD×[component] for single bank modules (n: number of components per module bank)  
n * IDD×[component] + n * IDD3N[component] for two bank modules (n: number of components per module bank)  
4) DQ I/O (IDDQ) currents are not included into calculations: module IDD values will be measured differently depending on load  
conditions  
5) The module IDD values are calculated from the component IDD datasheet values are:  
n * IDD×[component] for single bank modules (n: number of components per module bank)  
2 * n * IDD×[component] for single two bank modules (n: number of components per module bank)  
Data Sheet  
21  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Current Specification and Conditions  
4.1  
AC Characteristics  
Table 12  
AC Timing - Absolute Specifications for PC3200 and PC2700  
Parameter  
Symbol –5  
DDR400B  
–6  
Unit Note/ Test  
Condition 1)  
DDR333  
Min.  
–0.5  
–0.6  
0.45  
0.45  
Max.  
+0.5  
+0.6  
0.55  
0.55  
Min. Max.  
–0.7 +0.7  
–0.6 +0.6  
0.45 0.55  
0.45 0.55  
2)3)4)5)  
DQ output access time from CK/CK  
DQS output access time from CK/CK  
CK high-level width  
tAC  
ns  
2)3)4)5)  
tDQSCK  
tCH  
ns  
2)3)4)5)  
tCK  
2)3)4)5)  
CK low-level width  
tCL  
tCK  
2)3)4)5)  
Clock Half Period  
tHP  
min. (tCL, tCH)  
min. (tCL, tCH) ns  
Clock cycle time  
tCK  
5
8
6
12  
12  
12  
ns  
ns  
ns  
CL = 3.0  
2)3)4)5)  
6
12  
12  
6
CL = 2.5  
2)3)4)5)  
7.5  
7.5  
CL = 2.0  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)6)  
DQ and DM input hold time  
DQ and DM input setup time  
tDH  
tDS  
0.4  
0.4  
2.2  
0.45  
0.45  
2.2  
ns  
ns  
ns  
Control and Addr. input pulse width (each  
input)  
tIPW  
2)3)4)5)6)  
2)3)4)5)7)  
2)3)4)5)7)  
2)3)4)5)  
DQ and DM input pulse width (each input)  
Data-out high-impedance time from CK/CK  
Data-out low-impedance time from CK/CK  
tDIPW  
tHZ  
1.75  
1.75  
ns  
ns  
ns  
tCK  
+0.7  
+0.7  
1.25  
+0.40  
–0.7 +0.7  
–0.7 +0.7  
0.75 1.25  
tLZ  
–0.7  
0.72  
Write command to 1st DQS latching transition tDQSS  
DQS-DQ skew (DQS and associated DQ  
signals)  
tDQSQ  
+0.40 ns  
TFBGA 2)3)4)5)  
Data hold skew factor  
tQHS  
tQH  
+0.50  
+0.50 ns  
ns  
TFBGA 2)3)4)5)  
2)3)4)5)  
DQ/DQS output hold time  
tHP tQHS  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)  
DQS input low (high) pulse width (write cycle) tDQSL,H 0.35  
0.35  
0.2  
tCK  
tCK  
tCK  
DQS falling edge to CK setup time (write cycle) tDSS  
0.2  
0.2  
DQS falling edge hold time from CK (write  
cycle)  
tDSH  
0.2  
2)3)4)5)  
Mode register set command cycle time  
Write preamble setup time  
Write postamble  
tMRD  
2
2
0
tCK  
ns  
2)3)4)5)8)  
2)3)4)5)9)  
2)3)4)5)  
tWPRES  
tWPST  
tWPRE  
tIS  
0
0.40  
0.25  
0.6  
0.60  
0.40 0.60  
tCK  
tCK  
ns  
Write preamble  
0.25  
0.75  
Address and control input setup time  
fast slew rate  
3)4)5)6)10)  
0.7  
0.6  
0.7  
0.8  
ns  
ns  
ns  
slow slew  
rate3)4)5)6)10)  
Address and control input hold time  
tIH  
0.75  
0.8  
fast slew rate  
3)4)5)6)10)  
slow slew  
rate3)4)5)6)10)  
Data Sheet  
22  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Current Specification and Conditions  
Table 12  
AC Timing - Absolute Specifications for PC3200 and PC2700  
Parameter  
Symbol –5  
DDR400B  
–6  
Unit Note/ Test  
Condition 1)  
DDR333  
Min. Max.  
Min.  
0.9  
0.40  
40  
Max.  
1.1  
2)3)4)5)  
Read preamble  
tRPRE  
tRPST  
tRAS  
0.9  
1.1  
tCK  
2)3)4)5)  
Read postamble  
0.60  
0.40 0.60  
tCK  
2)3)4)5)  
Active to Precharge command  
70E+3 42  
70E+3 ns  
2)3)4)5)  
2)3)4)5)  
Active to Active/Auto-refresh command period tRC  
55  
60  
72  
ns  
ns  
Auto-refresh to Active/Auto-refresh command tRFC  
70  
period  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)  
2)3)4)5)11)  
Active to Read or Write delay  
Precharge command period  
Active to Autoprecharge delay  
Active bank A to Active bank B command  
Write recovery time  
tRCD  
tRP  
15  
15  
18  
18  
ns  
ns  
ns  
ns  
ns  
tCK  
tRAP  
tRRD  
tWR  
tRCD or tRASmin  
10  
15  
12  
15  
Auto precharge write recovery + precharge  
time  
tDAL  
(tWR/tCK)+(tRP/tCK)  
2)3)4)5)  
Internal write to read command delay  
Exit self-refresh to non-read command  
Exit self-refresh to read command  
Average Periodic Refresh Interval  
tWTR  
tXSNR  
tXSRD  
tREFI  
2
7.8  
1
7.8  
tCK  
ns  
tCK  
µs  
2)3)4)5)  
75  
200  
75  
200  
2)3)4)5)  
2)3)4)5)12)  
1) 0 °C TA 70 °C; VDDQ = 2.5 V ± 0.2 V, VDD = +2.5 V ± 0.2 V (DDR333); VDDQ = 2.6 V ± 0.1 V, VDD = +2.6 V ± 0.1 V  
(DDR400)  
2) Input slew rate 1 V/ns for DDR400, DDR333  
3) The CK/CK input reference level (for timing reference to CK/CK) is the point at which CK and CK cross: the input reference  
level for signals other than CK/CK, is VREF. CK/CK slew rate are 1.0 V/ns.  
4) Inputs are not recognized as valid until VREF stabilizes.  
5) The Output timing reference level, as measured at the timing reference point indicated in AC Characteristics (note 3) is VTT.  
6) These parameters guarantee device timing, but they are not necessarily tested on each device.  
7) tHZ and tLZ transitions occur in the same access time windows as valid data transitions. These parameters are not referred  
to a specific voltage level, but specify when the device is no longer driving (HZ), or begins driving (LZ).  
8) The specific requirement is that DQS be valid (HIGH, LOW, or some point on a valid transition) on or before this CK edge.  
A valid transition is defined as monotonic and meeting the input slew rate specifications of the device. When no writes were  
previously in progress on the bus, DQS will be transitioning from Hi-Z to logic LOW. If a previous write was in progress,  
DQS could be HIGH, LOW, or transitioning from HIGH to LOW at this time, depending on tDQSS  
.
9) The maximum limit for this parameter is not a device limit. The device operates with a greater value for this parameter, but  
system performance (bus turnaround) degrades accordingly.  
10) Fast slew rate 1.0 V/ns , slow slew rate 0.5 V/ns and < 1 V/ns for command/address and CK & CK slew rate > 1.0 V/ns,  
measured between VIH(ac) and VIL(ac)  
.
11) For each of the terms, if not already an integer, round to the next highest integer. tCK is equal to the actual system clock  
cycle time.  
12) A maximum of eight Autorefresh commands can be posted to any given DDR SDRAM device.  
Data Sheet  
23  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
SPD Contents  
5
SPD Contents  
Table 13  
SPD Codes for HYS72D[128/64/32][300/320]GBR–5–C  
512 MB  
×72  
512 MB  
×72  
256 MB  
×72  
1 Rank  
2 Ranks  
1 Rank  
Label Code  
PC3200R–30331 PC3200R–30331 PC3200R–30331  
Jedec SPD Revision  
Description  
Rev 1.0  
HEX  
80  
Rev 1.0  
HEX  
80  
Rev 1.0  
HEX  
80  
Byte#  
0
Programmed SPD Bytes in E2PROM  
Total number of Bytes in E2PROM  
Memory Type (DDR = 07h)  
Number of Row Addresses  
Number of Column Addresses  
Number of DIMM Ranks  
Data Width (LSB)  
1
08  
08  
08  
2
07  
07  
07  
3
0D  
0B  
01  
0D  
0A  
02  
0D  
0A  
01  
4
5
6
48  
48  
48  
7
Data Width (MSB)  
00  
00  
00  
8
Interface Voltage Levels  
tCK @ CLmax (Byte 18) [ns]  
tAC SDRAM @ CLmax (Byte 18) [ns]  
Error Correction Support  
Refresh Rate  
04  
04  
04  
9
50  
50  
50  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
50  
50  
50  
02  
02  
02  
82  
82  
82  
Primary SDRAM Width  
Error Checking SDRAM Width  
tCCD [cycles]  
04  
08  
08  
04  
08  
08  
01  
01  
01  
Burst Length Supported  
Number of Banks on SDRAM Device  
CAS Latency  
0E  
04  
0E  
04  
0E  
04  
1C  
01  
1C  
01  
1C  
01  
CS Latency  
Write Latency  
02  
02  
02  
DIMM Attributes  
26  
26  
26  
Component Attributes  
tCK @ CLmax -0.5 (Byte 18) [ns]  
tAC SDRAM @ CLmax -0.5 [ns]  
tCK @ CLmax -1 (Byte 18) [ns]  
C1  
60  
C1  
60  
C1  
60  
50  
50  
50  
75  
75  
75  
Data Sheet  
24  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
SPD Contents  
Table 13  
SPD Codes for HYS72D[128/64/32][300/320]GBR–5–C  
512 MB  
×72  
512 MB  
×72  
256 MB  
×72  
1 Rank  
2 Ranks  
1 Rank  
Label Code  
PC3200R–30331 PC3200R–30331 PC3200R–30331  
Jedec SPD Revision  
Description  
Rev 1.0  
HEX  
50  
Rev 1.0  
HEX  
50  
Rev 1.0  
HEX  
50  
Byte#  
26  
tAC SDRAM @ CLmax -1 [ns]  
tRPmin [ns]  
27  
3C  
28  
3C  
28  
3C  
28  
28  
tRRDmin [ns]  
29  
tRCDmin [ns]  
3C  
28  
3C  
28  
3C  
28  
30  
tRASmin [ns]  
31  
Module Density per Rank  
tAS, tCS [ns]  
80  
40  
40  
32  
60  
60  
60  
33  
tAH, TCH [ns]  
60  
60  
60  
34  
tDS [ns]  
40  
40  
40  
35  
tDH [ns]  
40  
40  
40  
36 - 40  
41  
not used  
00  
00  
00  
tRCmin [ns]  
37  
37  
37  
42  
tRFCmin [ns]  
41  
41  
41  
43  
tCKmax [ns]  
28  
28  
28  
44  
tDQSQmax [ns]  
tQHSmax [ns]  
28  
28  
28  
45  
50  
50  
50  
46  
not used  
00  
00  
00  
47  
DIMM PCB Height  
not used  
01  
01  
01  
48 - 61  
62  
00  
00  
00  
SPD Revision  
10  
10  
10  
63  
Checksum of Byte 0-62  
JEDEC ID Code of Infineon (1)  
JEDEC ID Code of Infineon (2 - 8)  
Module Manufacturer Location  
Part Number, Char 1  
Part Number, Char 2  
Part Number, Char 3  
Part Number, Char 4  
5F  
C1  
00  
27  
26  
64  
C1  
00  
C1  
00  
65 - 71  
72  
xx  
xx  
xx  
73  
37  
37  
37  
74  
32  
32  
32  
75  
44  
44  
44  
76  
36  
36  
33  
Data Sheet  
25  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
SPD Contents  
Table 13  
SPD Codes for HYS72D[128/64/32][300/320]GBR–5–C  
512 MB  
×72  
512 MB  
×72  
256 MB  
×72  
1 Rank  
2 Ranks  
1 Rank  
Label Code  
PC3200R–30331 PC3200R–30331 PC3200R–30331  
Jedec SPD Revision  
Description  
Rev 1.0  
HEX  
34  
Rev 1.0  
HEX  
34  
Rev 1.0  
HEX  
32  
Byte#  
77  
Part Number, Char 5  
Part Number, Char 6  
Part Number, Char 7  
Part Number, Char 8  
Part Number, Char 9  
Part Number, Char 10  
Part Number, Char 11  
Part Number, Char 12  
Part Number, Char 13  
Part Number, Char 14  
Part Number, Char 15  
Part Number, Char 16  
Part Number, Char 17  
Part Number, Char 18  
Module Revision Code  
Test Program Revision Code  
Module Manufacturing Date Year  
Module Manufacturing Date Week  
Module Serial Number (1 - 4)  
78  
33  
33  
33  
79  
30  
32  
30  
80  
30  
30  
30  
81  
47  
47  
47  
82  
42  
42  
42  
83  
52  
52  
52  
84  
35  
35  
35  
85  
43  
43  
43  
86  
20  
20  
20  
87  
20  
20  
20  
88  
20  
20  
20  
89  
20  
20  
20  
90  
20  
20  
20  
91  
xx  
xx  
xx  
92  
xx  
xx  
xx  
93  
xx  
xx  
xx  
94  
xx  
xx  
xx  
95 - 98  
xx  
xx  
xx  
99 - 127 Blank  
FF  
FF  
FF  
Data Sheet  
26  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
SPD Contents  
Table 14  
SPD Codes for HYS72D[128/64/32][300/320]GBR–6–C  
1 GByte  
×72  
512 MB  
×72  
512 MB  
×72  
256 MB  
×72  
2 Ranks  
1 Rank  
2 Ranks  
1 Rank  
Label Code  
PC2700R– PC2700R– PC2700R–  
PC2700R–  
25330  
25330  
Rev 0.0  
HEX  
80  
25330  
Rev 0.0  
HEX  
80  
25330  
Rev 0.0  
HEX  
80  
Jedec SPD Revision  
Rev 0.0  
HEX  
80  
Byte#  
0
Description  
Programmed SPD Bytes in E2PROM  
Total number of Bytes in E2PROM  
Memory Type (DDR = 07h)  
Number of Row Addresses  
Number of Column Addresses  
Number of DIMM Ranks  
Data Width (LSB)  
1
08  
08  
08  
08  
2
07  
07  
07  
07  
3
0D  
0B  
02  
0D  
0B  
01  
0D  
0A  
02  
0D  
0A  
01  
4
5
6
48  
48  
48  
48  
7
Data Width (MSB)  
00  
00  
00  
00  
8
Interface Voltage Levels  
tCK @ CLmax (Byte 18) [ns]  
tAC SDRAM @ CLmax (Byte 18) [ns]  
Error Correction Support  
Refresh Rate  
04  
04  
04  
04  
9
60  
60  
60  
60  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
70  
70  
70  
70  
02  
02  
02  
02  
82  
82  
82  
82  
Primary SDRAM Width  
Error Checking SDRAM Width  
tCCD [cycles]  
04  
04  
08  
08  
04  
04  
08  
08  
01  
01  
01  
01  
Burst Length Supported  
Number of Banks on SDRAM Device  
CAS Latency  
0E  
04  
0E  
04  
0E  
04  
0E  
04  
0C  
01  
0C  
01  
0C  
01  
0C  
01  
CS Latency  
Write Latency  
02  
02  
02  
02  
DIMM Attributes  
26  
26  
26  
26  
Component Attributes  
C1  
75  
C1  
75  
C1  
75  
C1  
75  
tCK @ CLmax -0.5 (Byte 18) [ns]  
tAC SDRAM @ CLmax -0.5 [ns]  
tCK @ CLmax -1 (Byte 18) [ns]  
70  
70  
70  
70  
00  
00  
00  
00  
Data Sheet  
27  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
SPD Contents  
Table 14  
SPD Codes for HYS72D[128/64/32][300/320]GBR–6–C  
1 GByte  
×72  
512 MB  
×72  
512 MB  
×72  
256 MB  
×72  
2 Ranks  
1 Rank  
2 Ranks  
1 Rank  
Label Code  
PC2700R– PC2700R– PC2700R–  
PC2700R–  
25330  
25330  
Rev 0.0  
HEX  
00  
25330  
Rev 0.0  
HEX  
00  
25330  
Rev 0.0  
HEX  
00  
Jedec SPD Revision  
Description  
Rev 0.0  
HEX  
00  
Byte#  
26  
tAC SDRAM @ CLmax -1 [ns]  
tRPmin [ns]  
27  
48  
48  
48  
48  
28  
tRRDmin [ns]  
30  
30  
30  
30  
29  
tRCDmin [ns]  
48  
48  
48  
48  
30  
tRASmin [ns]  
2A  
80  
2A  
80  
2A  
40  
2A  
40  
31  
Module Density per Rank  
tAS, tCS [ns]  
32  
75  
75  
75  
75  
33  
tAH, TCH [ns]  
75  
75  
75  
75  
34  
tDS [ns]  
45  
45  
45  
45  
35  
tDH [ns]  
45  
45  
45  
45  
36 - 40 not used  
00  
00  
00  
00  
41  
42  
43  
44  
45  
46  
47  
tRCmin [ns]  
3C  
48  
3C  
48  
3C  
48  
3C  
48  
tRFCmin [ns]  
tCKmax [ns]  
30  
30  
30  
30  
tDQSQmax [ns]  
tQHSmax [ns]  
not used  
28  
28  
28  
28  
50  
50  
50  
50  
00  
00  
00  
00  
DIMM PCB Height  
00  
00  
00  
00  
48 - 61 not used  
00  
00  
00  
00  
62  
63  
64  
SPD Revision  
00  
00  
00  
00  
Checksum of Byte 0-62  
49  
48  
10  
0F  
C1  
00  
JEDEC ID Code of Infineon (1)  
C1  
00  
C1  
00  
C1  
00  
65 - 71 JEDEC ID Code of Infineon (2 - 8)  
72  
73  
74  
75  
Module Manufacturer Location  
Part Number, Char 1  
xx  
xx  
xx  
xx  
37  
37  
37  
37  
Part Number, Char 2  
32  
32  
32  
32  
Part Number, Char 3  
44  
44  
44  
44  
Data Sheet  
28  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
SPD Contents  
Table 14  
SPD Codes for HYS72D[128/64/32][300/320]GBR–6–C  
1 GByte  
×72  
512 MB  
×72  
512 MB  
×72  
256 MB  
×72  
2 Ranks  
1 Rank  
2 Ranks  
1 Rank  
Label Code  
PC2700R– PC2700R– PC2700R–  
PC2700R–  
25330  
25330  
Rev 0.0  
HEX  
31  
25330  
Rev 0.0  
HEX  
36  
25330  
Rev 0.0  
HEX  
36  
Jedec SPD Revision  
Description  
Rev 0.0  
HEX  
33  
Byte#  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
Part Number, Char 4  
Part Number, Char 5  
Part Number, Char 6  
Part Number, Char 7  
Part Number, Char 8  
Part Number, Char 9  
Part Number, Char 10  
Part Number, Char 11  
Part Number, Char 12  
Part Number, Char 13  
Part Number, Char 14  
Part Number, Char 15  
Part Number, Char 16  
Part Number, Char 17  
Part Number, Char 18  
Module Revision Code  
Test Program Revision Code  
Module Manufacturing Date Year  
Module Manufacturing Date Week  
32  
34  
34  
32  
38  
33  
33  
33  
33  
30  
32  
30  
32  
30  
30  
30  
30  
47  
47  
47  
47  
42  
42  
42  
42  
52  
52  
52  
52  
36  
36  
36  
36  
43  
43  
43  
43  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
xx  
95 - 98 Module Serial Number (1 - 4)  
99 -127 Blank  
xx  
xx  
xx  
xx  
FF  
FF  
FF0  
FF  
Data Sheet  
29  
Rev. 1.0, 2004-03  
07302003-2MI6-FOP1  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Package Outlines  
6
Package Outlines  
133.35  
128.95  
0.15  
A B C  
2.64 MAX.  
A
1
2.5  
92  
6.62  
2.175  
B
C
±0.1  
ø0.1  
A B C  
64.77  
0.4  
6.35  
±0.1  
1.27  
49.53  
95 x 1.27 = 120.65  
±0.1  
1.8  
0.1  
A B C  
93  
184  
3 MIN.  
Detail of contacts  
1.27  
±0.05  
1
0.1  
A B C  
Burr max. 0.4 allowed  
L-DIMM-184-021  
Rev. 1.0, 2004-03  
Figure 6  
Package Outlines – Raw Card A HYS72D32300GBR–[5/6]–C (1 Rank × 8)  
Data Sheet  
30  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Package Outlines  
133.35  
128.95  
0.15  
A B C  
4 MAX.  
A
1
2.5  
92  
6.62  
2.175  
B
C
±0.1  
ø0.1  
A B C  
64.77  
0.4  
6.35  
±0.1  
1.27  
49.53  
95 x 1.27 = 120.65  
±0.1  
1.8  
0.1  
A B C  
93  
184  
3 MIN.  
Detail of contacts  
1.27  
±0.05  
1
0.1  
A B C  
Burr max. 0.4 allowed  
L-DIMM-184-22-2  
Figure 7  
Package Outlines – Raw Card C HYS72D64300GBR–[5/6]–C (1 Rank × 4)  
Data Sheet  
31  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Package Outlines  
133.35  
128.95  
0.15  
A B C  
4 MAX.  
A
1
2.5  
92  
6.62  
2.175  
B
C
±0.1  
ø0.1  
A B C  
64.77  
0.4  
6.35  
±0.1  
1.27  
49.53  
95 x 1.27 = 120.65  
±0.1  
1.8  
0.1  
A B C  
93  
184  
3 MIN.  
Detail of contacts  
1.27  
±0.05  
1
0.1  
A B C  
Burr max. 0.4 allowed  
L-DIMM-184-23  
Figure 8  
Package Outlines – Raw Card B HYS72D64320GBR–[5/6]–C (2 Ranks ×8)  
Data Sheet  
32  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Package Outlines  
133.35  
128.95  
0.15  
A B C  
4 MAX.  
A
1
2.5  
92  
B
C
6.62  
2.175  
±0.1  
ø0.1  
A B C  
0.4  
6.35  
±0.1  
1.27  
64.77  
49.53  
95 x 1.27 = 120.65  
±0.1  
1.8  
0.1  
A B C  
93  
184  
3 MIN.  
Detail of contacts  
1.27  
±0.05  
1
0.1  
A B C  
L-DIMM-184-24-3  
Burr max. 0.4 allowed  
Figure 9  
Package Outlines – Raw Card D HYS72D128320GBR–[5/6]–C (2 Ranks ×4)  
Data Sheet  
33  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Application Note  
7
Application Note  
Power Up and Power Management on DDR Registered DIMMs (according to JEDEC ballot JC-42.5 Item  
1173)  
184-pin Double Data Rate (DDR) Registered DIMMs include two new features to facilitate controlled power-up and  
to minimize power consumption during low power mode. One feature is externally controlled via a system-  
generated RESET signal; the second is based on module detection of the input clocks. These enhancements  
permit the modules to power up with SDRAM outputs in a High-Z state (eliminating risk of high current dissipations  
and/or dotted I/Os), and result in the powering-down of module support devices (registers and Phase-Locked  
Loop) when the memory is in Self-Refresh mode.  
The new RESET pin controls power dissipation on the module’s registers and ensures that CKE and other SDRAM  
inputs are maintained at a valid ‘low’ level during power-up and self refresh. When RESET is at a low level, all the  
register outputs are forced to a low level, and all differential register input receivers are powered down, resulting  
in very low register power consumption. The RESET pin, located on DIMM tab #10, is driven from the system as  
an asynchronous signal according to the attached details. Using this function also permits the system and DIMM  
clocks to be stopped during memory Self Refresh operation, while ensuring that the SDRAMs stay in Self Refresh  
mode.  
Table 15  
RESET Truth Table  
Register Inputs  
Register  
Outputs  
RESET  
CK  
CK  
Data in (D)  
Data out (Q)  
H
H
H
H
Rising  
Rising  
L or H  
Falling  
Falling  
L or H  
High Z  
H
L
H
L
X
X
Qo  
High Z  
Illegal input  
conditions  
L
X or Hi-Z  
X or Hi-Z  
X or Hi-Z  
L
X: Don’t care, Hi-Z: High Impedance, Qo: Data latched at the previous of CK rising and CK falling  
As described in the table above, a low on the RESET input ensures that the Clock Enable (CKE) signal(s) are  
maintained low at the SDRAM pins (CKE being one of the 'Q' signals at the register output). Holding CKE low  
maintains a high impedance state on the SDRAM DQ, DQS and DM outputs — where they will remain until  
activated by a valid ‘read’ cycle. CKE low also maintains SDRAMs in Self Refresh mode when applicable.  
The DDR PLL devices automatically detect clock activity above 20MHz. When an input clock frequency of 20MHz  
or greater is detected, the PLL begins operation and initiates clock frequency lock (the minimum operating  
frequency at which all specifications will be met is 95MHz). If the clock input frequency drops below 20MHz (actual  
detect frequency will vary by vendor), the PLL VCO (Voltage Controlled Oscillator) is stopped, outputs are made  
High-Z, and the differential inputs are powered down — resulting in a total PLL current consumption of less than  
1mA. Use of this low power PLL function makes the use of the PLL RESET (or G pin) unnecessary, and it is tied  
inactive on the DIMM.  
This application note describes the required and optional system sequences associated with the DDR Registered  
DIMM 'RESET' function. It is important to note that all references to CKE refer to both CKE0 and CKE1 for a 2-  
bank DIMM. Because RESET applies to all DIMM register devices, it is therefore not possible to uniquely control  
CKE to one physical DIMM bank through the use of the RESET pin.  
Data Sheet  
34  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Application Note  
Power-Up Sequence with RESET — Required  
1. The system sets RESET at a valid low level.  
This is the preferred default state during power-up. This input condition forces all register outputs to a low state  
independent of the condition on the register inputs (data and clock), ensuring that CKE is at a stable low-level  
at the DDR SDRAMs.  
2. The power supplies should be initialized according to the JEDEC-approved initialization sequence for DDR  
SDRAMs.  
3. Stabilization of Clocks to the SDRAM  
The system must drive clocks to the application frequency (PLL operation is not assured until the input clock  
reaches 20 MHz). Stability of clocks at the SDRAMs will be affected by all applicable system clock devices,  
and time must be allotted to permit all clock devices to settle. Once a stable clock is received at the DIMM PLL,  
the required PLL stabilization time (assuming power to the DIMM is stable) is 100 microseconds. When a  
stable clock is present at the SDRAM input (driven from the PLL), the DDR SDRAM requires 200 µsec prior to  
SDRAM operation.  
4. The system applies valid logic levels to the data inputs of the register (address and controls at the DIMM  
connector).  
CKE must be maintained low and all other inputs should be driven to a known state. In general these  
commands can be determined by the system designer. One option is to apply an SDRAM ‘NOP’ command  
(with CKE low), as this is the first command defined by the JEDEC initialization sequence (ideally this would  
be a ‘NOP Deselect’ command). A second option is to apply low levels on all of the register inputs to be  
consistent with the state of the register outputs.  
5. The system switches RESET to a logic ‘high’ level.  
The SDRAM is now functional and prepared to receive commands. Since the RESET signal is asynchronous,  
setting the RESET timing in relation to a specific clock edge is not required (during this period, register inputs  
must remain stable).  
6. The system must maintain stable register inputs until normal register operation is attained.  
The registers have an activation time that allows their clock receivers, data input receivers, and output drivers  
sufficient time to be turned on and become stable. During this time the system must maintain the valid logic  
levels described in step 5. It is also a functional requirement that the registers maintain a low state at the CKE  
outputs to guarantee that the DDR SDRAMs continue to receive a low level on CKE. Register activation time  
(t (ACT) ), from asynchronous switching of RESET from low to high until the registers are stable and ready to  
accept an input signal, is specified in the register and DIMM do-umentation.  
7. The system can begin the JEDEC-defined DDR SDRAM power-up sequence (according to the JEDEC-  
pproved initialization sequence).  
Self Refresh Entry (RESET low, clocks powered off) — Optional  
Self Refresh can be used to retain data in DDR SDRAM DIMMs even if the rest of the system is powered down  
and the clocks are off. This mode allows the DDR SDRAMs on the DIMM to retain data without external clocking.  
Self Refresh mode is an ideal time to utilize the RESET pin, as this can reduce register power consumption  
(RESET low deactivates register CK and CK, data input receivers, and data output drivers).  
1. 1. The system applies Self Refresh entry command.  
(CKELow, CSLow, RAS Low, CASLow, WEHigh)  
Note:Note: The commands reach the DDR SDRAM one clock later due to the additional register pipelining on a  
Registered DIMM. After this command is issued to the SDRAM, all of the address and control and clock input  
conditions to the SDRAM are Don’t Cares— with the exception of CKE.  
2. The system sets RESET at a valid low level.  
This input condition forces all register outputs to a low state, independent of the condition on the registerm  
inputs (data and clock), and ensures that CKE, and all other control and address signals, are a stable low-level  
at the DDR SDRAMs. Since the RESET signal is asynchronous, setting the RESET timing in relation to a  
specific clock edge is not required.  
3. The system turns off clock inputs to the DIMM. (Optional)  
a. In order to reduce DIMM PLL current, the clock inputs to the DIMM are turned off, resulting in High-Z clock  
Data Sheet  
35  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Application Note  
inputs to both the SDRAMs and the registers. This must be done after the RESET deactivate time of the  
register (t (INACT). The deactivate time defines the time in which the clocks and the control and address  
signals must maintain valid levels after RESET low has been applied and is specified in the register and DIMM  
documentation.  
b.The system may release DIMM address and control inputs to High-Z.  
This can be done after the RESET deactivate time of the register. The deactivate time defines the time in which  
the clocks and the control and the address signals must maintain valid levels after RESET low has been  
applied. It is highly recommended that CKE continue to remain low during this operation.  
4. The DIMM is in lowest power Self Refresh mode.  
Self Refresh Exit (RESET low, clocks powered off) — Optional  
1. Stabilization of Clocks to the SDRAM.  
The system must drive clocks to the application frequency (PLL operation is not assured until the input clock  
reaches ~20MHz). Stability of clocks at the SDRAMs will be affected by all applicable system clock devices,  
and time must be allotted to permit all clock devices to settle. Once a stable clock is received at the DIMM PLL,  
the required PLL stabilization time (assuming power to the DIMM is stable) is 100 microseconds.  
2. The system applies valid logic levels to the data inputs of the register (address and controls at the DIMM  
connector).  
CKE must be maintained low and all other inputs should be driven to a known state. In general these  
commands can be determined by the system designer. One option is to apply an SDRAM ‘NOP’ command  
(with CKE low), as this is the first command defined by the JEDEC Self Refresh Exit sequence (ideally this  
would be a ‘NOP Deselect’ command). A second option is to apply low levels on all of the register inputs, to  
be consistent with the state of the register outputs.  
3. The system switches RESET to a logic ‘high’ level.  
The SDRAM is now functional and prepared to receive commands. Since the RESET signal is asynchronous,  
RESET timing relationship to a specific clock edge is not required (during this period, register inputs must  
remain stable).  
4. The system must maintain stable register inputs until normal register operation is attained.  
The registers have an activation time that allows the clock receivers, input receivers, and output drivers  
sufficient time to be turned on and become stable. During this time the system must maintain the valid logic  
levels described in Step 2. It is also a functional requirement that the registers maintain a low state at the CKE  
outputs to guarantee that the DDR SDRAMs continue to receive a low level on CKE. Register activation time  
(t (ACT) ), from asynchronous switching of RESET from low to high until the registers are stable and ready to  
accept an input signal, is specified in the register and DIMM do-umentation.  
5. System can begin the JEDEC-defined DDR SDRAM Self Refresh Exit Procedure.  
Self Refresh Entry (RESET low, clocks running) — Optional  
Although keeping the clocks running increases power consumption from the on-DIMM PLL during self refresh, this  
is an alternate operating mode for these DIMMs.  
1. 1. System enters Self Refresh entry command.  
(CKELow, CSLow, RASLow, CASLow, WEHigh)  
Note:Note: The commands reach the DDR SDRAM one clock later due to the additional register pipelining on a  
Registered DIMM. After this command is issued to the SDRAM, all of the address and control and clock input  
conditions to the SDRAM are Don’t Cares — with the exception of CKE.  
2. The system sets RESET at a valid low level.  
This input condition forces all register outputs to a low state, independent of the condition on the data and clock  
register inputs, and ensures that CKE is a stable low-level at the DDR SDRAMs.  
3. The system may release DIMM address and control inputs to High-Z.  
This can be done after the RESET deactivate time of the register (t (INACT) ). The deactivate time describes  
the time in which the clocks and the control and the address signals must maintain valid levels after RESET  
low has been applied. It is highly recommended that CKE continue to remain low during the operation.  
4. The DIMM is in a low power, Self Refresh mode.  
Data Sheet  
36  
Rev. 1.0, 2004-03  
HYS72D[128/64/32][300/320]GBR–[5/6]–C  
Registered Double Data Rate SDRAM  
Application Note  
Self Refresh Exit (RESET low, clocks running) — Optional  
1. The system applies valid logic levels to the data inputs of the register (address and controls at the DIMM  
connector). CKE must be maintained low and all other inputs should be driven to a known state. In general  
these commands can be determined by the system designer. One option is to apply an SDRAM ‘NOP’  
command (with CKE low), as this is the first command defined by the Self Refresh Exit sequence (ideally this  
would be a ‘NOP Deselect’ command). A second option is to apply low levels on all of the register inputs to be  
consistent with the state of the register outputs.  
2. The system switches RESET to a logic 'high' level.  
The SDRAM is now functional and prepared to receive commands. Since the RESET signal is asynchronous,  
it does not need to be tied to a particular clock edge (during this period, register inputs must continue to remain  
stable).  
3. The system must maintain stable register inputs until normal register operation is attained.  
The registers have an activation time that allows the clock receivers, input receivers, and output drivers  
sufficient time to be turned on and become stable. During this time the system must maintain the valid logic  
levels described in Step 1. It is also a functional requirement that the registers maintain a low state at the CKE  
outputs in order to guarantee that the DDR SDRAMs continue to receive a low level on CKE. This activation  
time, from asynchronous switching of RESET from low to high, until the registers are stable and ready to accept  
an input signal, is t (ACT ) as specified in the register and DIMM documentation.  
4. The system can begin JEDEC defined DDR SDRAM Self Refresh Exit Procedure.  
Self Refresh Entry/Exit (RESET high, clocks running) — Optional  
As this sequence does not involve the use of the RESET function, the JEDEC standard SDRAM specification  
explains in detail the method for entering and exiting Self Refresh for this case.  
Self Refresh Entry (RESET high, clocks powered off) — Not Permissible  
In order to maintain a valid low level on the register output, it is required that either the clocks be running and the  
system drive a low level on CKE, or the clocks are powered off and RESET is asserted low according to the  
sequence defined in this application note. In the case where RESET remains high and the clocks are powered off,  
the PLL drives a High-Z clock input into the register clock input. Without the low level on RESET an unknown DIMM  
state will result.  
Data Sheet  
37  
Rev. 1.0, 2004-03  
w w w . i n f i n e o n . c o m  
Published by Infineon Technologies AG  

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