MT18HTF25672PY-667A2 Micron Technology Inc, MT18HTF25672PY-667A2 Datasheet - Page 16

• Manufacturer Part Number: MT18HTF25672PY-667A2
• Description: MODULE DDR2 2GB 240-DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT18HTF25672PY-667A2

• Memory Type: DDR2 SDRAM
• Memory Size: 2GB
• Speed: 667MT/s
• Package / Case: 240-DIMM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 19:
PDF: 09005aef80e5e752/Source: 09005aef80e5e626
HTF18C64_128_256x72.fm - Rev. E 3/07 EN
Byte
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
MIN row precharge time,
MIN row active-to-row active,
MIN RAS#-to-CAS# delay,
MIN active-to-precharge,
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,
t
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,
(MAX)
SDRAM device MAX DQS–DQ skew time,
t
SDRAM device MAX read data hold
skew factor,
PLL relock time
RTP
DQSQ
Serial Presence-Detect Matrix (continued)
t
QHS
Description
t
WR
512MB, 1GB, 2GB (x72, ECC, SR) 240-Pin DDR2 SDRAM RDIMM
t
t
t
RCD
RAS
RP
t
RRD
t
CK
t
t
DH
WTR
t
t
t
t
DS
RC
RFC
IH
t
IS
b
b
b
2
b
Entry (Version)
512MB, 1GB, 2GB
-80E/-667/-53E
-800/-667/-53E
-800/-667
-53E/-40E
-800/-667
-53E/-40E
-80E/-800
-667/-53E
-80E/-800
-80E/-800
-80E/-800
-667/-53E
-80E/-800
-800/-40E
-800/-667
-53E/-40E
-80E/-800
-80E/-800
-80E
-80E
-40E
-667
-53E
-40E
-667
-53E
-40E
-40E
-667
-53E
-40E
-80E
-80E
-40E
-667
-53E
-40E
-667
-53E
-40E
16
–
–
–
–
Micron Technology, Inc., reserves the right to change products or specifications without notice.
512MB
–/–/1E
–/–/3C
–/2D
–/10
2D
3C
1E
3C
28
80
25
35
37
47
15
22
27
3C
28
1E
00
00
00
37
4B
80
1E
23
28
0F
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1
Serial Presence-Detect
©2003 Micron Technology, Inc. All rights reserved.
1GB
3C
3C
3C
3C
2D
2D
3C
3C
2D
32
1E
32
28
01
17
20
25
35
25
27
37
47
05
10
15
12
17
22
27
1E
28
1E
00
30
00
00
39
37
69
80
14
18
1E
23
1E
22
28
0F
2GB
3C
3C
3C
3C
2D
2D
3C
3C
2D
32
1E
32
28
02
17
20
25
35
25
27
37
47
05
10
15
12
17
22
27
1E
28
1E
00
36
06
06
39
37
7F
80
14
18
1E
23
1E
22
28
0F