256Mb: x4, x8, x16 DDR SDRAM Features Double Data Rate (DDR) SDRAM MT46V64M4 – 16 Meg x 4 x 4 banks MT46V32M8 – 8 Meg x 8 x 4 banks MT46V16M16 – 4 Meg x 16 x 4 banks Features • VDD VDD = = 2.5V 2.6V ±0.2V; ±0.1V; VDDQ VDDQ = = 2.5V 2.6V ±0.2V ±0.1V (DDR400)1 • Bidirectional data strobe (DQS) transmitted/ received with data, that is, source-synch.
Double Data Rate (DDR) SDRAM
MT46V64M4
– 16 Meg x 4 x 4 banks MT46V32M8
– 8 Meg x 8 x 4 banks MT46V16M16
– 4 Meg x 16 x 4 banks
Features
•
VDD VDD
= =
2.5V 2.6V
±0.2V; ±0.1V;
VDDQ VDDQ
= =
2.5V 2.6V
±0.2V ±0.1V
(DDR400)1
• Bidirectional data strobe (DQS) transmitted/
received with data, that is, source-synchronous data
capture (x16 has two
– one per byte)
• Internal, pipelined double data rate (DDR)
architecture; two data accesses per clock cycle
• Differential clock inputs (CK and CK#)
• Commands entered on each positive CK edge
• DQS edge-aligned with data for READs; cente.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | MT46V64M16 |
Micron Technology |
DDR SDRAM | |
2 | MT46V64M8 |
Micron Technology |
Double Data Rate (DDR) SDRAM | |
3 | MT46V128M4 |
Micron Technology |
Double Data Rate (DDR) SDRAM | |
4 | MT46V128M8 |
Micron Technology |
DDR SDRAM | |
5 | MT46V16M16 |
Micron Technology |
Double Data Rate (DDR) SDRAM | |
6 | MT46V16M8 |
Micron Technology |
(MT46Vxxx) DOUBLE DATA RATE DDR SDRAM | |
7 | MT46V256M4 |
Micron Technology |
DDR SDRAM | |
8 | MT46V2M32 |
Micron Technology |
DOUBLE DATA RATE DDR SDRAM | |
9 | MT46V2M32V1 |
Micron Technology |
DOUBLE DATA RATE DDR SDRAM | |
10 | MT46V32 |
Ironwood |
BGA Surface Mount Fix Adaptor | |
11 | MT46V32M16 |
Micron Technology |
Double Data Rate (DDR) SDRAM | |
12 | MT46V32M4 |
Micron Technology |
(MT46Vxxx) DOUBLE DATA RATE DDR SDRAM |