M1N1G64DS8HB0F / M1N51264DSH8B1G / M1N25664DSH4B1G
M1S1G64DS8HB0F / M1S51264DSH8B1G / M1S25664DSH4B1G
1GB, 512MB and 256MB
PC2700
REV 1.2 11
June 3, 2005
© NANYA TECHNOLOGY CORPORATION
NANYA reserves the right to change products and specifications without notice.
SPD Values for M1N25664DSH4B1G / M1S25664DSH4B1G
Byte Description SPD Entry Value Serial PD Data Entry (Hexadecimal) Note
DDR400
-5T DDR333
-6K DR266
-75B DDR400
-5T DDR333
-6K DR266
-75B
0 Number of Serial PD Bytes Written during Production 128 80
1 Total Number of Bytes in Serial PD device 256 08
2 Fundamental Mem ory Type DDR SDRAM 07
3 Number of Row Addresse s on Assembly 13 0D
4 Number of Colum n Addresses on Assembly 10 0A
5 Number of DIMM Ban k 1 01
6. Data Width of Assembly X64 40
7 Data Width of Assembly (cont’) X64 00
8 Voltage Interface Level of this Assembly SSTL 2.5V 04
9 DDR SDRAM Device Cycle Time at CL=3/2.5/2.5 5ns 6ns 7.5ns 50 60 75
10 DDR SDRAM Device Access Time from Clock at CL=3/2.5/2.5 0.65ns 0.7ns 0.75ns 65 70 75
11 DIMM Configuration Type Non-Parity 00
12 Refresh Rate/Type SR/1x(7.8us), Self Refresh Flag 82
13 Primary DDR SDRAM Width X16 10
14 Error Checking DD R SDRAM Device Width N/A 00
15 DDR SDRAM Device Attr: Min Clk Delay, Random Col Access 1 Clock 01
16 DDR SDRAM Device Attributes: Burst Length Supported 2,4,8 0E
17 DDR SDRAM Devic e Attributes: Number of Device Banks 4 04
18 DDR SDRAM Device Attributes: CAS Latencies Supported 2.5/3 2/2.5 2/2.5 18 0C 0C
19 DDR SDRAM Device Attributes: CS Latency 0 01
20 DDR SDRAM Device Attr ibutes: WE Latency 1 02
21 DDR SDRAM Device Attr ibutes: Differential Clock 20
22 DDR SDRAM Device Attributes: General +/-0.2V Voltage Tolerance C0
23 Minimum Clock Cycle at CL=2.5/2/2 6.0ns 7.5ns 10ns 60 75 A0
24 Maximum Data Access Time (tAC) from Clock at CL=2.5/2/2 0.7ns 0.75ns 0.75ns 70 75 75
25 Minimum Clock Cycle Time at CL=2/1/1.5 N/A 00
26 Maximum Data Access Time (tAC) from Clock at CL=2/1/1.5 N/A 00
27 Minimum Row Precharge Time (tRP) 15ns 18ns 20ns 3C 48 50
28 Minimum Row Active to Row Active delay (tRRD) 10ns 12ns 15ns 28 30 3C
29 Minimum RAS to CAS delay (tRCD) 15ns 18ns 20ns 3C 48 50
30 Minimum RAS Pulse W idth (tRAS) 40ns 42ns 45ns 28 2A 2D
31 Module Bank Density 256MB 40
32 Address and C ommand Setup Time Before Clock 0.6ns 0.75ns 0.9ns 60 75 90
33 Address and C ommand Hold Time After Clock 0.6ns 0.75ns 0.9ns 60 75 90
34 Data Input Setup Time Before Clock 0.4ns 0.45ns 0.5ns 40 45 50
35 Data Input Hold Tim e After Clock 0.4ns 0.45ns 0.5ns 40 45 50
36-40 Reserved Undefined 00
41 Minimum Active/Auto-Refresh Time (tRC) 55 ns 60ns 65ns 37 3C 41
42 SDRAM Device Minimum Auto-Refresh to Active /Auto Refresh
Command Period (tRFC) 70ns 72ns 75ns 46 48 4B
43 SDRAM Device Maximum Cycle Time (tCK max) 12 30
44 SDRAM Device Ma ximum DQS-DQ Skew Time (tDQSQ) 0.4 0.45 0.5 28 2D 32
45 SDRAM Device Maximum Read Data Hold Skew Factor (tQHS) 0.5 0.55 0.75 50 55 75
46 Superset Information (may be used in future) Undefined 00
47 SDRAM device Attributes – DDR SDRAM DIMM Height 31.75mm 01
48-61 Superset Information (may be used in future) Undefined 00
62 SPD Revision 1.0 10
63 Checksum Data 8E 1E FB
64-71 Manufacturer’s JEDED ID Code 0B Hex bank 3 7F7F7F0B00000000
72 Module Manufacturing Location Note1 1
73-255 Reserved Undefined Note 2 2
1. please refer to BNDCJ-0082
2. byte 73-255 please refer to NDCJ- 0969