mt18htf25672ay-80e Micron Semiconductor Products, mt18htf25672ay-80e Datasheet - Page 17

• Manufacturer Part Number: mt18htf25672ay-80e
• Description: 512mb, 1gb, 2gb, 4gb X72, Dr, Ecc 240-pin Ddr2 Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 18:
PDF: 09005aef80e8ad4d/Source: 09005aef80e785e6
HTF18C64_128_256_512x72A.fm - Rev. H 5/08 EN
128–255 Reserved for customer use
99–127
47–61
65–71
73–90
95–98
Byte
62
63
64
72
91
92
93
94
Optional features, not supported
SPD revision
Checksum for bytes 0–62
Manufacturer’s JEDEC ID code
Manufacturer’s JEDEC ID code
Manufacturing location
Module part number (ASCII)
PCB identification code
Identification code (continued)
Year of manufacture in BCD
Week of manufacture in BCD
Module serial number
Reserved for manufacturer-specific data
Serial Presence-Detect Matrix (continued)
Notes:
Description
1. The 512MB module is not available in -80E and -800 speed grades.
2. The
512MB, 1GB, 2GB, 4GB (x72, DR, ECC) 240-Pin DDR2 SDRAM UDIMM
DDR2 device specification is
t
RC SPD values shown are JEDEC DDR2 device specification values. The actual Micron
Entry (Version)
(continued)
Release 1.2
MICRON
t
01–12
17
RC = 55ns for all speed grades.
-80E
-800
-667
-53E
-40E
1–9
0
–
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Variable
Variable
Variable
Variable
512MB
01–0C
01–09
data
data
data
data
AA
2C
00
12
11
00
00
FF
FF
FF
–
–
1
Variable
Variable
Variable
Variable
01–0C
01–09
data
data
data
data
1GB
A2
2C
00
12
43
5E
09
70
00
00
FF
FF
Serial Presence-Detect
©2003 Micron Technology, Inc. All rights reserved.
Variable
Variable
Variable
Variable
01–0C
01–09
data
data
data
data
2GB
AA
00
12
43
E4
11
2C
00
00
FF
FF
FF
Variable
Variable
Variable
Variable
01–0C
01–09
data
data
data
data
4GB
00
12
8B
2C
47
59
2C
00
00
F2
FF
FF