mt9htf12872ay-53e Micron Semiconductor Products, mt9htf12872ay-53e Datasheet - Page 14

• Manufacturer Part Number: mt9htf12872ay-53e
• Description: 256mb, 512mb, 1gb X72, Sr, Ecc 240-pin Ddr2 Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 16:
PDF: 09005aef80e6f860/Source: 09005aef80e5b799
HTF9C32_64_128x72A.fm - Rev. E 1/07 EN
Byte
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
MIN row precharge time,
MIN row active to row active,
MIN RAS# to CAS# delay,
MIN active-to-precharge time,
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,
t
SDRAM device MAX DQS–DQ skew
time,
SDRAM device MAX read data hold
skew factor,
RTP
CK (MAX)
Serial Presence-Detect Matrix (Continued)
t
DQSQ
t
QHS
Description
t
WR
256MB, 512MB, 1GB (x72, SR, ECC) 240-Pin DDR2 SDRAM UDIMM
t
t
RCD
RP
t
RFC
t
RRD
t
RAS
t
t
DH
WTR
t
t
t
DS
RC
IH
t
IS
b
b
b
2
b
Entry (Version)
-80E/-667/-53E
-800/-667/-53E
512MB,1GB
-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
256MB,
-80E
-80E
-40E
-667
-53E
-40E
-667
-53E
-40E
-40E
-667
-53E
-40E
-80E
-80E
-40E
-667
-53E
-40E
-667
-53E
-40E
–
–
–
–
–
–
14
Micron Technology, Inc., reserves the right to change products or specifications without notice.
256MB
– /1E/1E
–/3C/3C
–/3C
–/3C
–/00
3C
3C
2D
3C
4B
2D
1E
28
40
20
25
35
27
37
47
10
15
17
22
27
28
1E
00
00
37
80
18
1E
23
22
28
–
–
–
–
–
–
–
–
–
–
–
1
Electrical Specifications
512MB
3C
3C
3C
3C
2D
2D
3C
3C
2D
32
1E
32
28
80
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
©2003 Micron Technology, Inc. All rights reserved.
1GB
2D
2D
2D
3C
3C
3C
3C
3C
3C
32
1E
32
28
01
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