mt18hts25672pky-53e Micron Semiconductor Products, mt18hts25672pky-53e Datasheet - Page 14

• Manufacturer Part Number: mt18hts25672pky-53e
• Description: 2gb, 4gb X72, Dr 244-pin Ddr2 Mini-rdimm
• Manufacturer: Micron Semiconductor Products

Table 16:
PDF: 09005aef82218d23/Source: 09005aef82218d00
HTS18C256_512x72K.fm - Rev. B 9/07 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
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 DRAM
Number of column addresses on DRAM
DIMM height and module ranks
Module data width
Reserved
Module voltage interface levels
SDRAM cycle time,
byte 18)
SDRAM access from clock,
see byte 18)
Module configuration type
Refresh rate/type
DDR2 device width (primary DDR2)
Error-checking DDR2 data width
Reserved
Burst lengths supported
Number of banks on DDR2 device
CAS latencies supported
Module thickness
DDR2 DIMM type
DDR2 module attributes
DDR2 device attributes: weak driver (01) and
50Ω ODT (03)
DDR2 cycle time,
DDR2 access from CK,
DDR2 cycle time,
DDR2 access from CK,
MIN row precharge time,
MIN row active-to-row active,
MIN RAS#-to-CAS# delay,
MIN RAS# pulse width,
Module rank density
Address and command setup time,
Address and command hold time,
Data/data mask input setup time,
Serial Presence-Detect Matrix
t
t
CK, MAX CL - 1
CK, MAX CL - 2
t
CK (CL = MAX value, see
t
t
AC, MAX CL - 1
AC, MAX CL - 2
t
RAS
t
t
t
RCD
AC (CL = MAX value,
RP
1
t
RRD
t
t
DS
IH
t
IS
b
b
b
2GB, 4GB (x72, DR) 244-Pin DDR2 Mini-RDIMM
30mm, dual rank
Entry (Version)
Registered Mini-
ECC and parity
14
DDR2 SDRAM
-667 (5, 4, 3)
1 PLL, 2 Reg
7.81µs/SELF
-53E (4, 3)
SSTL 1.8V
1GB, 2GB
RDIMM
14, 15
-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
0
8
–
–
–
–
–
–
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2GB
0A
3D
3D
2D
80
08
08
0E
61
48
00
05
30
45
50
02
06
82
08
08
00
0C
08
38
18
01
10
05
03
01
50
45
50
50
00
45
00
3C
1E
3C
01
20
25
27
37
10
Serial Presence-Detect
©2006 Micron Technology, Inc. All rights reserved.
4GB
0A
3D
0C
3D
3C
3C
2D
80
08
08
0F
61
48
00
05
30
45
50
02
06
82
08
08
00
08
38
18
01
10
05
03
01
50
45
50
50
00
45
00
1E
02
20
25
27
37
10