mt16htf25664ay-80e Micron Semiconductor Products, mt16htf25664ay-80e Datasheet - Page 16

• Manufacturer Part Number: mt16htf25664ay-80e
• Description: 512mb, 1gb, 2gb, 4gb X64, Dr 240-pin Ddr2 Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 18:
PDF: 09005aef80f09084/Source: 09005aef80f09068
HTF16C64_128_256x64A.fm - Rev. F 8/07 EN
Byte
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0
1
2
3
4
5
6
7
8
9
Description
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,
Serial Presence-Detect Matrix
t
t
CK
CK, MAX CL - 1
t
AC, MAX CL - 1
512MB, 1GB, 2GB, 4GB (x64, DR) 240-Pin DDR2 SDRAM UDIMM
t
AC
30mm, dual rank
Entry (Version)
-53E/-40E (4, 3)
-80E/-800/-667
No PLL or Reg
DDR2 SDRAM
13, 14, or 15
-800 (6, 5, 4)
-667 (5, 4, 3)
Unbuffered
7.81µs/SELF
-80E (5, 4)
16
SSTL 1.8V
-80E/-800
-53E/-40E
-80E/-667
-53E/-40E
-80E/-800
Non-ECC
DIMM
4 or 8
-1GA
-1GA
-1GA
-1GA
-1GA
-1GA
-80E
-800
-667
-53E
-40E
-667
-53E
-40E
-800
-667
-53E
-40E
128
256
4, 8
10
64
0
8
–
0
–
Micron Technology, Inc., reserves the right to change products or specifications without notice.
512MB
–/–/03
–/3D
0D
0A
3D
0C
80
08
08
61
40
00
05
30
50
45
50
60
00
82
08
00
00
04
38
18
01
02
00
01
50
45
50
60
–
–
–
–
–
–
–
–
–
–
–
–
–
1GB
0A
3D
3D
0C
80
08
08
0E
61
40
00
05
25
25
30
50
40
45
50
60
00
82
08
00
00
04
30
70
38
18
01
02
00
03
01
30
50
40
45
50
60
Serial Presence-Detect
–
–
–
–
–
–
©2003 Micron Technology, Inc. All rights reserved.
2GB
0A
3D
3D
0C
80
08
08
0E
61
40
00
05
18
25
25
30
50
35
40
45
50
60
00
82
08
00
00
08
E0
30
70
38
18
01
02
00
03
03
01
25
30
50
35
40
45
50
60
–/–/03
–/3D
4GB
18/–
50/–
0A
3D
0C
80
08
08
61
40
00
05
30
45
50
00
82
08
00
00
04
38
01
02
00
01
45
50
0f
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–