MT9VDDT6472HY-40B Micron Semiconductor Products, MT9VDDT6472HY-40B Datasheet - Page 26

• Manufacturer Part Number: MT9VDDT6472HY-40B
• Description: 256mb, 512mb, 1gb X72, Ecc, Sr 200-pin Ddr Sodimm
• Manufacturer: Micron Semiconductor Products

Table 21: Serial Presence-Detect Matrix
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”
pdf: 09005aef811d6080, source: 09005aef806e057b
DDA9C32_64_128x72HG.fm - Rev. B 06/05 EN
BYTE
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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
Number of Physical Ranks on DIMM
Module Data Width
Module Data Width (Continued)
Module Voltage Interface Levels
SDRAM Cycle Time,
3)
SDRAM Access from Clock,
Latency = 3)
Module Configuration Type
Refresh Rate/Type
SDRAM Device Width (Primary DDR
SDRAM)
Error-checking DDR SDRAM Data
Width
Minimum Clock Delay, Back-to-Back
Random Column Access
Burst Lengths Supported
Number of Banks on DDR SDRAM
Device
CAS Latencies Supported
CS Latency
WE Latency
SDRAM Module Attributes
SDRAM Device Attributes: General
SDRAM Cycle Time,
2.5)
SDRAM Access from CK,
Latency = 2.5)
SDRAM Cycle Time,
2)
SDRAM Access from CK,
Latency = 2)
Minimum Row Precharge Time,
Minimum Row Active to Row Active,
t
RRD
DESCRIPTION
t
t
t
CK (CAS Latency =
CK (CAS Latency =
CK (CAS Latency =
t
t
AC (CAS
AC (CAS
t
AC (CAS
t
RP
and PC 1600 system
and PC 1600 system
ENTRY (VERSION) MT9VDDT3272H MT9VDDT6472H MT9VDDT12872H
Fast/Concurrent AP
0.75ns (for PC 2100
0.7ns (for PC 2700
7.5ns (for PC 2100
Unbuffered/Diff.
6ns (for PC2700
compatibility)
compatibility)
compatibility)
compatibility)
SDRAM DDR
0.7ns (-40B)
15ns (-40B)
10ns (-40B)
7.8µs/SELF
5ns (-40B)
SSTL 2.5V
10 or 11
3, 2.5, 2
13 or 14
1 clock
system
system
2, 4, 8
Clock
ECC
128
256
72
1
0
8
8
4
0
1
256MB, 512MB, 1GB (x72, ECC, SR)
26
Micron Technology, Inc., reserves the right to change products or specifications without notice.
0D
0A
80
08
07
01
48
00
04
50
70
02
82
08
08
01
0E
04
1C
01
02
20
C0
60
70
75
75
3C
28
200-PIN DDR SODIMM
0D
80
08
07
0B
01
48
00
04
50
70
02
82
08
08
01
0E
04
1C
01
02
20
C0
60
70
75
75
3C
28
©2005 Micron Technology, Inc. All rights reserved.
0B
1C
C0
3C
80
08
07
0E
01
48
00
04
50
70
02
82
08
08
01
0E
04
01
02
20
60
70
75
75
28