mt18vddt12872ag-40b Micron Semiconductor Products, mt18vddt12872ag-40b Datasheet - Page 2

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

Table 2:
Table 3:
Table 4:
PDF: 09005aef80814e61/Source: 09005aef807f8acb
DD18C32_64_128_256x72A.fm - Rev. C 10/07 EN
Parameter
Part Number
Part Number
Refresh count
Row address
Device bank address
Device configuration
Column address
Module rank address
MT18VDDT3272AG-40B__
MT18VDDT3272AG-335__
MT18VDDT3272AY-335__
MT18VDDT3272AG-262__
MT18VDDT3272AG-26A__
MT18VDDT3272AY-26A__
MT18VDDT3272AG-265__
MT18VDDT3272AY-265__
MT18VDDT6472AG-40B__
MT18VDDT6472AY-40B__
MT18VDDT6472AG-335__
MT18VDDT6472AY-335__
MT18VDDT6472AG-262__
MT18VDDT6472AG-26A__
MT18VDDT6472AY-26A__
MT18VDDT6472AG-265__
MT18VDDT6472AY-265__
Addressing
Part Numbers and Timing Parameters – 256MB Modules
Base device: MT46V16M8,
Part Numbers and Timing Parameters – 512MB Modules
Base device: MT46V32M8,
2
2
128Mb (16 Meg x 8)
Module
Density
Module
Density
256MB
256MB
256MB
256MB
256MB
256MB
256MB
256MB
512MB
512MB
512MB
512MB
512MB
512MB
512MB
512MB
512MB
256MB, 512MB, 1GB, 2GB (x72, ECC, DR) 184-Pin DDR SDRAM UDIMM
4K (A0–A11)
4 (BA0, BA1)
2 (S0#, S1#)
1K (A0–A9)
256MB
1
1
4K
128Mb DDR SDRAM
256Mb DDR SDRAM
Configuration
Configuration
32 Meg x 72
32 Meg x 72
32 Meg x 72
32 Meg x 72
64 Meg x 72
64 Meg x 72
64 Meg x 72
64 Meg x 72
32 Meg x 72
32 Meg x 72
32 Meg x 72
32 Meg x 72
64 Meg x 72
64 Meg x 72
64 Meg x 72
64 Meg x 72
64 Meg x 72
256Mb (32 Meg x 8)
4 (BA0, BA1)
8K (A0–A12)
1K (A0–A9)
2 (S0#, S1#)
2
512MB
8K
Bandwidth
Bandwidth
Module
Module
3.2 GB/s
2.7 GB/s
2.7 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
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
2.1 GB/s
2.1 GB/s
Micron Technology, Inc., reserves the right to change products or specifications without notice.
512Mb (64 Meg x 8)
2K (A0–A9, A11)
8K (A0–A12)
4 (BA0, BA1)
2 (S0#, S1#)
Memory Clock/
Memory Clock/
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
7.5ns/266 MT/s
7.5ns/266 MT/s
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
7.5ns/266 MT/s
7.5ns/266 MT/s
1GB
Data Rate
Data Rate
8K
©2004 Micron Technology, Inc. All rights reserved.
1Gb (128 Meg x 8)
2K (A0–A9, A11)
16K (A0–A13)
4 (BA0, BA1)
(CL-
(CL-
2 (S0#, S1#)
Clock Cycles
Clock Cycles
2GB
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
2.5-3-3
t
t
8K
3-3-3
2-2-2
2-3-3
2-3-3
3-3-3
3-3-3
2-2-2
2-3-3
2-3-3
RCD-
RCD-
Features
t
t
RP)
RP)