MT9HTF12872AY-40ED1 Micron Technology Inc, MT9HTF12872AY-40ED1 Datasheet - Page 42
![MODULE SDRAM DDR2 1GB 240DIMM](/photos/7/83/78383/mfg557-240-dimm_sml.jpg)
MT9HTF12872AY-40ED1
Manufacturer Part Number
MT9HTF12872AY-40ED1
Description
MODULE SDRAM DDR2 1GB 240DIMM
Manufacturer
Micron Technology Inc
Datasheet
1.MT9HTF12872AY-40ED1.pdf
(44 pages)
Specifications of MT9HTF12872AY-40ED1
Memory Type
DDR2 SDRAM
Memory Size
1GB
Speed
400MT/s
Package / Case
240-DIMM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Table 23:
pdf: 09005aef80e6f860, source: 09005aef80e5b799
HTF9C32_64_128x72AG_2.fm - Rev. C 6/05 EN
Byte
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
0
1
2
3
4
5
6
7
8
9
Number of SPD Bytes Used by Micron
Total Number of Bytes in SPD Device
Fundamental Memory Type
Number of Row Addresses on Assembly
Number of Column Addresses on
Assembly
DIMM Height and Module Ranks
Module Data Width
Module Data Width (Continued)
Module Voltage Interface Levels
SDRAM Cycle Time,
value, see byte 18)
SDRAM Access from Clock,
Maximum value, see byte 18)
Module Configuration Type
Refresh Rate/Type
SDRAM Device Width (Primary SDRAM)
Error-checking SDRAM Data Width
Minimum Clock Delay, Back-to-Back
Random Column Access
Burst Lengths Supported
Number of Banks on SDRAM Device
CAS Latencies Supported
Module Thickness
DDR2 DIMM Type
SDRAM Module Attributes
SDRAM Device Attributes: Weak Driver
(01) and 50Ω ODT (03)
SDRAM Cycle Time,
SDRAM Access from CK,
Max. CL - 1
SDRAM Cycle Time,
SDRAM Access from CK,
Max. CL - 2
Minimum Row Precharge Time,
Minimum Row Active to Row Active,
Minimum RAS# to CAS# Delay,
Minimum RAS# Pulse Width,
note 1)
Module Rank Density
Serial Presence-Detect Matrix
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”
Description
t
t
t
CK (CL = Maximum
CK, Max. CL - 1
CK, Max. CL - 2
256MB, 512MB, 1GB (x72, SR, ECC) 240-Pin DDR2 SDRAM UDIMM
t
t
AC,
AC,
t
AC (CL =
t
RAS (see
t
t
RCD
RP
t
RRD
256MB, 512MB, 1GB
Unbuffered DIMM
Entry (Version)
-53E/-40E (4, 3)
-53E/-40E(N/A)
-53E/-40E(N/A)
1.18in., Single
DDR2 SDRAM
-667 (5, 4, 3)
7.81µs/SELF
SSTL 1.8V
-53E/-40E
-53E/-40E
-667/-53E
1 clock
13, 14
4 or 8
Rank
-667
-53E
-40E
-667
-53E
-40E
-667
-667
-667
-53E
-40E
-667
-667
-40E
128
256
4, 8
42
10
72
0
8
8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT9HTF3272A MT9HTF6472A MT9HTF12872A
0D
0A
3D
3D
3C
3C
2D
80
08
08
60
48
00
05
30
50
45
50
60
02
82
08
08
00
0C
04
38
18
01
02
00
03
01
50
45
50
60
50
00
45
00
1E
28
40
©2003, 2004, 2005 Micron Technology, Inc. All rights reserved.
Serial Presence-Detect
0A
3D
3D
2D
08
82
0C
3C
3C
80
08
0E
60
48
00
05
30
50
45
50
60
02
08
08
00
04
38
18
01
02
00
03
01
50
45
50
60
50
00
45
00
1E
28
80
0A
3D
3D
3C
3C
2D
80
08
08
0E
60
48
00
05
30
50
45
50
60
02
82
08
08
00
0C
08
38
18
01
02
00
03
01
50
45
50
60
50
00
45
00
1E
28
01