nt1gt64u88d0by Nanya Techology, nt1gt64u88d0by Datasheet - Page 9

• Manufacturer Part Number: nt1gt64u88d0by
• Description: 240pin Unbuffered Ddr2 Sdram Module
• Manufacturer: Nanya Techology

NT512T64UH4D0FY / NT1GT64U88D0BY / NT2GT64U8HD0BY
512MB: 64M x 64 / 1GB: 128M x 64 / 2GB: 256M x 64
Unbuffered DDR2 SDRAM DIMM
Serial Presence Detect --
64Mx64 1 RANK UNBUFFERED DDR2 SDRAM DIMM based on 64Mx16, 8Banks, 8K Refresh, 1.8V DDR2 SDRAMs with SPD
REV 1.0
03/2008
Note 1:
92-255 Reserved
46-61 Reserved
64-71 Manufacture’s JEDEC ID Code
73-91 Module Part number
Byte
40
41
42
43
44
45
46
62
63
72
Extension of Byte 41 tRC and Byte 42 tRFC
Minimum Core Cycle Time (tRC)
Min. Auto Refresh Command Cycle Time (tRFC)
Maximum Clock Cycle Time (tCK)
Max. DQS-DQ Skew Factor (tQHS)
Read Data Hold Skew Factor (tQHS)
PLL Relock Time
SPD Revision
Checksum for bytes 0-62
Module Manufacturing Location
NT512T64UH4D0FY-3C  4E54353132543634554834443046592D334320
NT512T64UH4D0FY-AD  4E54353132543634554834443046592D414420
NT512T64UH4D0FY-AC  4E54353132543634554834443046592D414320
Description
Part 1 of 2 (512MB)
9
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
The number below a
decimal point of tRC and
tRFC are 0, tRFC is less
than 256ns.
0.24ns
0.34ns
Module Part Number in
667
-3C
Manufacturing Code
SPD Entry Value
Checksum Data
60.0ns
Undefined
Undefined
Undefined
127.5ns
NANYA
ASCII
8.0ns
800
-AD
1.3
0.20ns
0.30ns
57.5ns
800
-AC
667
-3C
Serial PD Data Entry
18
22
A7
7F7F7F0B00000000
(Hexadecimal)
3C
06
© NANYA TECHNOLOGY CORP.
800
-AD
7F
80
00
00
13
71
--
--
--
1E
14
800
-AC
8D
36
39
Note
1