M1N51264DSH8B1G / M1N25664DSH4B1G
M1S51264DSH8B1G / M1S25664DSH4B1G
512MB and 256MB
PC2700
REV 1.0 9
September 13, 2006
© NANYA TECHNOLOGY CORPORATION
NANYA reserves the right to change products and specifications without notice.
SPD Values for M1N25664DSH4B1G / M1S25664DSH4B1G
SPD Entry Value Serial PD Data Entry (Hexadecimal)
Note
Byte Description DDR333
-6K
DDR333
-6K
0 Number of Serial PD Bytes Written during Production 128 80
1 Total Number of Bytes in Serial PD device 256 08
2 Fundamental Memory Type DDR SDRAM 07
3 Number of Row Addresses on Assembly 13 0D
4 Number of Column Addresses on Assembly 10 0A
5 Number of DIMM Bank 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=2.5 6ns 60
10 DDR SDRAM Device Access Time from Clock at CL=2.5 0.7ns 70
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 DDR 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 Device Attributes: Number of Device Banks 4 04
18 DDR SDRAM Device Attributes: CAS Latencies Supported 2/2.5 0C
19 DDR SDRAM Device Attributes: CS Latency 0 01
20 DDR SDRAM Device Attributes: WE Latency 1 02
21 DDR SDRAM Device Attributes: Differential Clock 20
22 DDR SDRAM Device Attributes: General +/-0.2V Voltage Tolerance C0
23 Minimum Clock Cycle at CL=2.5/2/2 7.5ns 75
24 Maximum Data Access Time (tAC) from Clock at CL=2.5/2/2 0.75ns 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) 18ns 48
28 Minimum Row Active to Row Active delay (tRRD) 12ns 30
29 Minimum RAS to CAS delay (tRCD) 18ns 48
30 Minimum RAS Pulse Width (tRAS) 42ns 2A
31 Module Bank Density 256MB 40
32 Address and Command Setup Time Before Clock 0.75ns 75
33 Address and Command Hold Time After Clock 0.75ns 75
34 Data Input Setup Time Before Clock 0.45ns 45
35 Data Input Hold Time After Clock 0.45ns 45
36-40 Reserved Undefined 00
41 Minimum Active/Auto-Refresh Time (tRC) 60ns 3C
42 SDRAM Device Minimum Auto-Refresh to Active/Auto Refresh
Command Period (tRFC)
72ns 48
43 SDRAM Device Maximum Cycle Time (tCK max) 12 30
44 SDRAM Device Maximum DQS-DQ Skew Time (tDQSQ) 0.45 2D
45 SDRAM Device Maximum Read Data Hold Skew Factor (tQHS) 0.55 55
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 1E
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 93-255 please refer to NDCJ-0969