mt18vddt12872ag-40b Micron Semiconductor Products, mt18vddt12872ag-40b Datasheet - Page 3

• Manufacturer Part Number: mt18vddt12872ag-40b
• Description: 256mb, 512mb, 1gb, 2gb X72, Ecc, Dr 184-pin Ddr Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 5:
Table 6:
PDF: 09005aef80814e61/Source: 09005aef807f8acb
DD18C32_64_128_256x72A.fm - Rev. C 10/07 EN
Part Number
Part Number
MT18VDDT12872AG-40B__
MT18VDDT12872AY-40B__
MT18VDDT12872AG-335__
MT18VDDT12872AY-335__
MT18VDDT12872AG-262__
MT18VDDT12872AG-265__
MT18VDDT12872AY-265__
MT18VDDT25672AY-335__
Part Numbers and Timing Parameters – 1GB Modules
Base device: MT46V64M8,
Part Numbers and Timing Parameters – 2GB Modules
Base device: MT46V128M8,
2
2
Notes:
1. Data sheets for the base devices can be found on Micron’s Web site.
2. All part numbers end with a two-place code (not shown) that designates component and
PCB revisions. Consult factory for current revision codes.
Example: MT18VDDT12872AY-335F1.
Module
Density
Module
Density
256MB, 512MB, 1GB, 2GB (x72, ECC, DR) 184-Pin DDR SDRAM UDIMM
1GB
1GB
1GB
1GB
1GB
1GB
1GB
2GB
1
1
512Mb DDR SDRAM
1Gb DDR SDRAM
Configuration
Configuration
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
256 Meg x 72
3
Bandwidth
Bandwidth
Module
Module
3.2 GB/s
3.2 GB/s
2.7 GB/s
2.7 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
2.7 GB/s
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Memory Clock/
Memory Clock/
5.0ns/400 MT/s
5.0ns/400 MT/s
6.0ns/333 MT/s
6.0ns/333 MT/s
7.5ns/266 MT/s
7.5ns/266 MT/s
7.5ns/266 MT/s
6.0ns/333 MT/s
Data Rate
Data Rate
©2004 Micron Technology, Inc. All rights reserved.
(CL-
(CL-
Clock Cycles
Clock Cycles
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
t
t
3-3-3
3-3-3
2-2-2
RCD-
RCD-
Features
t
t
RP)
RP)