mt18hts25672chy-667 Micron Semiconductor Products, mt18hts25672chy-667 Datasheet - Page 20

• Manufacturer Part Number: mt18hts25672chy-667
• Description: 2gb, 4gb X72, Dr 200-pin Ddr2 Sdram Socdimm
• Manufacturer: Micron Semiconductor Products

Table 30:
PDF: 09005aef8253e3ea/Source: 09005aef8253e404
HTS18C256_512x72CH.fm - Rev. B 6/07 EN
128–255 Reserved for customer-specific data
99–127 Reserved for manufacturer-specific data
47–61 Optional features, not supported
65–71 Manufacturer’s JEDEC ID code
73–90 Module part number (ASCII)
95–98 Module serial number
Byte
36
37
38
39
40
41
42
43
44
45
46
62
63
64
72
91
92
93
94
Description
Write recovery time,
WRITE-to-READ command delay,
READ-to-PRECHARGE command delay,
Memory analysis probe
Extension for bytes 41 and 42
MIN active auto refresh time,
MIN AUTO REFRESH to ACTIVE/AUTO REFRESH
command period,
SDRAM device MAX cycle time,
SDRAM device MAX DQS-DQ skew time,
SDRAM device MAX read data hold skew factor,
t
PLL relock time
SPD revision
Checksum for bytes 0–62
Manufacturer’s JEDEC ID code
Manufacturing location
PCB identification code
Identification code (continued)
Year of manufacture in BCD
Week of manufacture in BCD
QHS
Serial Presence-Detect Matrix (continued)
Notes:
t
RFC
1. The
t
WR
DDR2 device specification is
t
RC SPD values shown are JEDEC DDR2 device specification values. The actual Micron
t
RC
t
CK (MAX)
t
1
WTR
t
RTP
t
2GB, 4GB (x72, DR) 200-Pin DDR2 SDRAM SOCDIMM
DQSQ
t
20
RC = 55ns for all speed grades.
Entry (Version)
(continued)
Release 1.2
-667/-53E
-667/-53E
MICRON
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1–12
-667
-53E
-667
-53E
-667
-53E
-667
-53E
1–9
–
0
–
–
–
Variable data
Variable data
Variable data
Variable data
01–0C
01–09
2GB
Serial Presence-Detect
3C
1E
1E
00
00
00
3C
69
80
18
1E
22
28
00
12
14
BF
2C
00
00
00
0F
FF
©2006 Micron Technology, Inc. All rights reserved.
Variable data
Variable data
Variable data
Variable data
01–0C
01–09
4GB
3C
1E
1E
00
06
06
3C
80
18
1E
22
28
00
12
5C
07
2C
00
00
00
7F
0F
FF