MT18HTF25672PY-667A2 Micron Technology Inc, MT18HTF25672PY-667A2 Datasheet - Page 15

• 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
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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 SDRAM
Number of column addresses on SDRAM
DIMM height and module ranks
Module data width
Reserved
Module voltage interface levels
SDRAM cycle time,
(CL = MAX value, see byte 18)
SDRAM access from clock,
(CL = MAX value, see byte 18)
Module configuration type
Refresh rate/type
SDRAM device width (primary SDRAM)
Error-checking SDRAM data width
Reserved
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), or weak driver and 50Ω ODT (03)
SDRAM cycle time,
SDRAM access from CK,
SDRAM cycle time,
SDRAM access from CK,
Serial Presence-Detect Matrix
Description
t
t
t
CK
CK, MAX CL - 1
CK, MAX CL - 2
t
t
512MB, 1GB, 2GB (x72, ECC, SR) 240-Pin DDR2 SDRAM RDIMM
AC, MAX CL - 1
AC, MAX CL - 2
t
AC
30mm, single rank
Entry (Version)
-53E/-40E (4, 3)
-80E/-800/-667
DDR2 SDRAM
ECC and parity
-800 (6, 5, 4)
-667 (5, 4, 3)
1 PLL, 2 Reg
7.81µs/SELF
Registered
-80E (5, 4)
SSTL 1.8V
-80E/-800
-53E/-40E
-80E/-667
-53E/-40E
-80E/-800
-80E/-800
-53E/-40E
-80E/-800
-53E/-40E
DIMM
13, 14
4 or 8
-80E
-800
-667
-53E
-40E
-667
-53E
-40E
-800
-667
-53E
-40E
-667
-667
128
256
ECC
4, 8
15
10
72
0
4
4
0
Micron Technology, Inc., reserves the right to change products or specifications without notice.
512MB
0D
3D
80
08
08
0B
60
48
00
05
50
50
60
02
06
82
04
04
00
0C
04
18
01
01
05
01
50
50
60
00
00
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1
Serial Presence-Detect
3D/00
40/00
©2003 Micron Technology, Inc. All rights reserved.
1GB
0B
3D
0C
3D
80
08
08
0E
60
48
00
05
25
25
30
50
40
45
50
60
02
06
82
04
04
00
04
30
70
38
18
01
01
05
03
01
30
50
40
45
50
60
50
00
45
00
3D/00
40/00
2GB
0B
3D
0C
3D
80
08
08
0E
60
48
00
05
25
25
30
50
40
45
50
60
02
06
82
04
04
00
08
30
70
38
18
01
01
05
03
01
30
50
40
45
50
60
50
00
45
00