mt18htf25672py-80e Micron Semiconductor Products, mt18htf25672py-80e Datasheet - Page 17

• Manufacturer Part Number: mt18htf25672py-80e
• Description: 512mb, 1gb, 2gb X72, Ecc, Sr 240-pin Ddr2 Sdram Rdimm
• Manufacturer: Micron Semiconductor Products

Table 19:
PDF: 09005aef80e5e752/Source: 09005aef80e5e626
HTF18C64_128_256x72.fm - Rev. E 3/07 EN
128–255 Reserved for customer-specific data
99–127
65–71
73–90
95–98
47–61
Byte
62
63
64
72
91
92
93
94
Optional features, not supported
SPD revision
Checksum for bytes 0–62
ECC/ECC and parity
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, -800, or -667 speed grades.
2. The
DDR2 device specification is
t
512MB, 1GB, 2GB (x72, ECC, SR) 240-Pin DDR2 SDRAM RDIMM
RC SPD values shown are JEDEC DDR2 device specification values. The actual Micron
Entry (Version)
(continued)
Release 1.2
MICRON
1–12
-80E
-800
-667
-53E
-40E
1–9
t
17
RC = 55ns for all speed grades.
0
–
–
–
–
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Variable data
Variable data
Variable data
Variable data
512MB
01–0C
01–09
5C/60
F5/F9
00
12
2C
00
00
FF
FF
–
–
–
1
Variable data
Variable data
Variable data
Variable data
Serial Presence-Detect
01–0C
01–09
CF/D3
EA/EE
2E/32
95/99
FC/00
©2003 Micron Technology, Inc. All rights reserved.
1GB
2C
00
12
00
00
FF
FF
Variable data
Variable data
Variable data
Variable data
B6/BA
01–0C
01–09
F0/F4/
1D/21
4F/53
0B/0F
2GB
2C
00
12
00
00
FF
FF