mt18hts25672chy-667 Micron Semiconductor Products, mt18hts25672chy-667 Datasheet - Page 19

• Manufacturer Part Number: mt18hts25672chy-667
• Description: 2gb, 4gb X72, Dr 200-pin Ddr2 Sdram Socdimm
• Manufacturer: Micron Semiconductor Products

Table 30:
PDF: 09005aef8253e3ea/Source: 09005aef8253e404
HTS18C256_512x72CH.fm - Rev. B 6/07 EN
Byte
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
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 assembly
Number of column addresses on assembly
DIMM height and module ranks
Module data width
Reserved
Module voltage interface levels
SDRAM cycle time,
SDRAM access from clock,
byte 18)
Module configuration type
Refresh rate/type
SDRAM device width (primary SDRAM)
Error-checking SDRAM data width
MIN 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) or 50Ω
ODT (03)
SDRAM cycle time,
SDRAM access from CK,
SDRAM cycle time,
SDRAM access from CK,
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,
Serial Presence-Detect Matrix
t
t
t
CK (CL = MAX value, see byte 18)
CK, MAX CL - 1
CK, MAX CL - 2
t
t
AC, MAX CL - 1
AC, MAX CL - 2
t
t
t
RCD
AC (CL = MAX value, see
RP
t
t
RRD
RAS
t
DH
t
t
DS
IH
t
IS
b
b
b
b
2GB, 4GB (x72, DR) 200-Pin DDR2 SDRAM SOCDIMM
19
30mm, dual rank
Entry (Version)
DDR2 SDRAM
No reg, 1 PLL
-667 (5, 4, 3)
7.81µs/SELF
1GB or 2GB
-53E (4, 3)
SSTL 1.8V
-667/-53E
-667/-53E
SODIMM
14 or 15
1 clock
4 or 8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
-667
-53E
-667
-53E
-667
-53E
-667
-53E
-667
-53E
-667
-53E
-667
-53E
-667
-53E
-667
-53E
-667
-53E
ECC
128
256
4, 8
10
72
0
8
8
2GB
0A
3D
3D
2D
Serial Presence-Detect
80
08
08
0E
61
48
00
05
30
45
50
02
82
08
08
00
0C
04
38
18
01
04
04
03
01
50
45
50
50
00
45
00
3C
1E
3C
01
20
25
27
37
10
17
22
©2006 Micron Technology, Inc. All rights reserved.
4GB
0A
3D
3D
2D
80
08
08
61
48
00
05
30
45
50
02
82
08
08
00
0C
08
38
18
01
04
04
03
01
50
45
50
50
00
45
00
3C
1E
3C
02
20
25
27
37
10
17
22
0F