MT18HVS51272PKY-667A1 Micron Technology Inc, MT18HVS51272PKY-667A1 Datasheet - Page 15
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MT18HVS51272PKY-667A1
Manufacturer Part Number
MT18HVS51272PKY-667A1
Description
MODULE DDR2 4GB 244-MDIMM
Manufacturer
Micron Technology Inc
Datasheet
1.MT18HVS51272PKY-667A1.pdf
(16 pages)
Specifications of MT18HVS51272PKY-667A1
Memory Type
DDR2 SDRAM
Memory Size
4GB
Speed
667MT/s
Package / Case
244-MDIMM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Table 15:
PDF: 09005aef8281e0a3/Source: 09005aef8281d7ea
HVS18C256_512x72PK.fm - Rev. A 8/07 EN
128–255 Reserved for customer-specific data
99–127
47–61
65–71
73–90
95–98
Byte
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
62
63
64
72
91
92
93
94
Description
Module rank density
Address and command setup time,
Address and command hold time,
Data/data mask input setup time,
Data/data mask input hold time,
Write recovery time,
WRITE-to-READ command delay,
READ-to-PRECHARGE command delay,
Memory analysis probe
Extension for bytes 41 and 42
MIN active-to-active/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,
PLL relock time
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
PCB 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:
1. The 4GB module is not available in the -80E speed grade.
2. The
t
RFC
DDR2 device specification is
t
WR
t
RC SPD values shown are JEDEC DDR2 device specification values. The actual Micron
t
CK (MAX)
t
t
DH
WTR
t
t
t
DS
RC
IH
t
IS
b
b
b
2
b
t
RTP
t
2GB, 4GB (x72, DR) 244-Pin DDR2 VLP Mini-RDIMM
DQSQ
t
t
15
QHS
RC = 55ns for all speed grades.
Entry (Version)
Micron Technology, Inc., reserves the right to change products or specifications without notice.
(continued)
Release 1.2
1GB, 2GB
-667/-53E
-667/-53E
-667/-53E
Micron
1–12
-80E
-667
-53E
-80E
-667
-53E
-80E
-80E
-667
-53E
-80E
-80E
-80E
-667
-53E
-80E
-667
-53E
-80E
-667
-53E
1–9
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Variable data
Variable data
Variable data
Variable data
Variable data
Serial Presence-Detect
D0/D4
01–09
14/18
7B/7F
2GB
©2007 Micron Technology, Inc. All rights reserved.
01
17
20
25
25
27
37
05
10
12
17
22
3C
1E
1E
00
36
06
39
3C
7F
80
14
18
1E
1E
22
28
0F
00
12
2C
00
00
00
FF
Variable data
Variable data
Variable data
Variable data
Variable data
C3/C7
01–09
4GB
18/1C
02
20
25
27
37
10
17
22
3C
1E
1E
00
06
3C
C5
80
18
1E
22
28
00
12
2C
00
00
00
0F
FF
–
–
–
–
–
–
–
–
–
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