MT18VDDT6472G-262G3 Micron Technology Inc, MT18VDDT6472G-262G3 Datasheet - Page 33

• Manufacturer Part Number: MT18VDDT6472G-262G3
• Description: MODULE SDRAM DDR 512MB 184DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT18VDDT6472G-262G3

• Memory Type: DDR SDRAM
• Memory Size: 512MB
• Speed: 266MT/s
• Package / Case: 184-DIMM
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 23: Serial Presence-Detect Matrix – 256MB, 512MB, and 1GB
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”; notes appear on page 35
pdf: 09005aef808a331f, source: 09005aef80858037
DD18C32_64_128_256x72G.fm - Rev. E 9/04 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,
Latency = 2.5) (See note 1)
SDRAM Access from Clock,(
(CAS Latency = 2.5)
Module Configuration Type
Refresh Rate/Type
SDRAM Device Width (Primary
SDRAM)
Error-checking SDRAM Data Width
Minimum Clock Delay, Back-to-Back
Random Column Access
Burst Lengths Supported
Number of Banks on SDRAM Device
CAS Latencies Supported
CS Latency
WE Latency
SDRAM Module Attributes
SDRAM Device Attributes: General
SDRAM Cycle Time,
Latency = 2)
SDRAM Access from CK,
Latency = 2)
SDRAM Cycle Time,
Latency = 1.5)
SDRAM Access from CK,
Latency = 1.5)
Minimum Row Precharge Time,
Minimum Row Active to Row
Active,
t
RRD
DESCRIPTION
t
t
t
CK, (CAS
CK (CAS
CK (CAS
t
t
AC (CAS
AC (CAS
t
AC)
t
RP
15ns (-262/-26A/-265/-202)
0.75ns (-262/-26A/-265)
Registered/Diff. Clock
0.75ns (-262/-26A/-265)
20ns (-26A/-265/-202)
15.62µs, 7.81µs/SELF
ENTRY (VERSION)
Fast/Concurrent AP
7.5ns (-262/-26A)
10ns (-265/-202)
7ns (-262/-26A)
SDRAM DDR
7.5ns (-265)
0.8ns (-202)
0.8ns (-202)
15ns (-262)
8ns (-202)
SSTL 2.5V
12 or 13
11 or 12
1 clock
2, 4, 8
256MB, 512MB, 1GB, 2GB (x72, ECC, SR)
2, 2.5
ECC
128
256
N/A
N/A
72
1
0
8
8
4
0
1
33
MT18VDDT3272 MT18VDDT6472 MT18VDDT12872
Micron Technology, Inc., reserves the right to change products or specifications without notice.
184-PIN DDR SDRAM RDIMM
A0
0C
0B
0C
C0
3C
3C
80
08
07
01
48
00
04
70
75
80
75
80
02
80
04
04
01
0E
04
01
02
26
75
75
80
00
00
50
0D
A0
80
08
07
0B
01
48
00
04
70
75
80
75
80
02
82
04
04
01
0E
04
0C
01
02
26
C0
75
75
80
00
00
3C
50
3C
©2004 Micron Technology, Inc. All rights reserved.
0D
A0
80
08
07
0C
01
48
00
04
70
75
80
75
80
02
82
04
04
01
0E
04
0C
01
02
26
C0
75
75
80
00
00
3C
50
3C