Datasheet

M2Y1G64TU88D0B / M2Y2G64TU8HD0B / M2Y1G64TU88D4B / M2Y2G64TU8HD4B / M2Y1G64TU88D4B
M2Y1G64TU88D5B / M2Y2G64TU8HD5B / M2Y1G64TU88D6B / M2Y2G64TU8HD6B
M2Y1G64TU88D7B
1GB: 128M x 64 / 2GB: 256M x 64
Unbuffered DDR2 SDRAM DIMM
REV 1.2 10
10/2008
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Serial Presence Detect -- Part 2 of 2 (2GB)
256Mx64 2 RANKs UNBUFFERED DDR2 SDRAM DIMM based on 128Mx8, 8Banks, 8K Refresh, 1.8V DDR2 SDRAMs with SPD
Byte
Description
SPD Entry Value
Serial PD Data Entry
(Hexadecimal)
Note
PC2-5300
-3C
PC2-6400
-AC
PC2-5300
-3C
PC2-6400
-AC
40
Extension of Byte 41 tRC and Byte 42 tRFC
The number below a decimal
point of tRC and tRFC are 0,
tRFC is less than 256ns.
06
36
41
Minimum Core Cycle Time (tRC)
60.0ns
57.5ns
3C
39
42
Min. Auto Refresh Command Cycle Time (tRFC)
127.5ns
7F
43
Maximum Clock Cycle Time (tCK)
8.0ns
80
44
Max. DQS-DQ Skew Factor (tQHS)
0.24ns
0.20ns
18
14
45
Read Data Hold Skew Factor (tQHS)
0.34ns
0.30ns
22
1E
46
PLL Relock Time
Undefined
00
46-61
Reserved
Undefined
00
62
SPD Revision
1.3
13
63
Checksum for bytes 0-62
Checksum Data
18
FE
64-71
Manufacture’s JEDEC ID Code
NANYA
7F7F7F0B00000000
72
Module Manufacturing Location
Manufacturing Code
--
73-91
Module Part number
Module Part Number in ASCII
--
1
92-255
Reserved
Undefined
--
Note 1:
M2Y2G64TU8HD0B-3C  4D325932473634545538484430422D33432020
M2Y2G64TU8HD0B-AC  4D325932473634545538484430422D41432020
M2Y2G64TU8HD4B-3C  4D325932473634545538484434422D33432020
M2Y2G64TU8HD4B-AC  4D325932473634545538484434422D41432020
M2Y2G64TU8HD5B-3C  4D325932473634545538484435422D33432020
M2Y2G64TU8HD5B-AC  4D325932473634545538484435422D41432020
M2Y2G64TU8HD6B-3C  4D325932473634545538484436422D33432020
M2Y2G64TU8HD6B-AC  4D325932473634545538484436422D41432020