| 订购型号 | Density | RoHS | Depth | Width | Voltage | Package | Pin Count | Clock Rate | Cycle Time | Op. Temp. | CL | Data Rate | Part |
| MT46V128M4BN-5B | 512Mb | Yes | 128Mb | x4 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V128M4BN-5B |
| MT46V128M4BN-6 | 512Mb | Yes | 128Mb | x4 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V128M4BN-6 |
| MT46V128M4BN-6 IT | 512Mb | Yes | 128Mb | x4 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V128M4BN-6 IT |
| MT46V128M4BN-75 | 512Mb | Yes | 128Mb | x4 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V128M4BN-75 |
| MT46V128M4FN-5B | 512Mb | 39208 | 128Mb | x4 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V128M4FN-5B |
| MT46V128M4FN-6 | 512Mb | 39208 | 128Mb | x4 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V128M4FN-6 |
| MT46V128M4P-5B | 512Mb | Yes | 128Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V128M4P-5B |
| MT46V128M4P-6T | 512Mb | Yes | 128Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V128M4P-6T |
| MT46V128M4P-75 | 512Mb | Yes | 128Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V128M4P-75 |
| MT46V128M4TG-5B | 512Mb | 39208 | 128Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V128M4TG-5B |
| MT46V128M4TG-6T | 512Mb | 39208 | 128Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V128M4TG-6T |
| MT46V128M8P-6T | 1Gb | Yes | 128Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V128M8P-6T |
| MT46V128M8P-6T IT | 1Gb | Yes | 128Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V128M8P-6T IT |
| MT46V128M8P-75 | 1Gb | Yes | 128Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V128M8P-75 |
| MT46V128M8P-75 IT | 1Gb | Yes | 128Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V128M8P-75 IT |
| MT46V128M8TG-5B | 1Gb | 39208 | 128Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V128M8TG-5B |
| MT46V128M8TG-6T | 1Gb | 39208 | 128Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V128M8TG-6T |
| MT46V128M8TG-75 | 1Gb | 39208 | 128Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V128M8TG-75 |
| MT46V16M16BG-5B | 256Mb | Yes | 16Mb | x16 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V16M16BG-5B |
| MT46V16M16BG-5B IT | 256Mb | Yes | 16Mb | x16 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V16M16BG-5B IT |
| MT46V16M16BG-6 | 256Mb | Yes | 16Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16BG-6 |
| MT46V16M16BG-6 IT | 256Mb | Yes | 16Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V16M16BG-6 IT |
| MT46V16M16BG-75 | 256Mb | Yes | 16Mb | x16 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16BG-75 |
| MT46V16M16BG-75E | 256Mb | Yes | 16Mb | x16 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V16M16BG-75E |
| MT46V16M16FG-5B | 256Mb | 39208 | 16Mb | x16 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V16M16FG-5B |
| MT46V16M16FG-6 | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16FG-6 |
| MT46V16M16FG-6 IT | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V16M16FG-6 IT |
| MT46V16M16FG-6 L | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16FG-6 L |
| MT46V16M16FG-75 | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16FG-75 |
| MT46V16M16FG-75 IT | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V16M16FG-75 IT |
| MT46V16M16FG-75 L | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16FG-75 L |
| MT46V16M16FG-75E | 256Mb | 39208 | 16Mb | x16 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V16M16FG-75E |
| MT46V16M16P-5B | 256Mb | Yes | 16Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V16M16P-5B |
| MT46V16M16P-5B IT | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V16M16P-5B IT |
| MT46V16M16P-6 IT | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V16M16P-6 IT |
| MT46V16M16P-6T | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16P-6T |
| MT46V16M16P-6T IT | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V16M16P-6T IT |
| MT46V16M16P-6T L | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16P-6T L |
| MT46V16M16P-75 | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16P-75 |
| MT46V16M16P-75 IT | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V16M16P-75 IT |
| MT46V16M16P-75 L | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16P-75 L |
| MT46V16M16P-75Z | 256Mb | Yes | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V16M16P-75Z |
| MT46V16M16TG-5B | 256Mb | 39208 | 16Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V16M16TG-5B |
| MT46V16M16TG-5B IT | 256Mb | 39208 | 16Mb | x16 | 2.5V | DIMM | 66-pin | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V16M16TG-5B IT |
| MT46V16M16TG-6T | 256Mb | 39208 | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16TG-6T |
| MT46V16M16TG-6T IT | 256Mb | 39208 | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V16M16TG-6T IT |
| MT46V16M16TG-6T L | 256Mb | 39208 | 16Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M16TG-6T L |
| MT46V16M16TG-75 | 256Mb | 39208 | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16TG-75 |
| MT46V16M16TG-75 IT | 256Mb | 39208 | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V16M16TG-75 IT |
| MT46V16M16TG-75 L | 256Mb | 39208 | 16Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M16TG-75 L |
| MT46V16M8P-5B | 128Mb | Yes | 16Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V16M8P-5B |
| MT46V16M8P-6T | 128Mb | Yes | 16Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M8P-6T |
| MT46V16M8P-75E | 128Mb | Yes | 16Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V16M8P-75E |
| MT46V16M8TG-5B | 128Mb | 39208 | 16Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V16M8TG-5B |
| MT46V16M8TG-6T | 128Mb | 39208 | 16Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M8TG-6T |
| MT46V16M8TG-6T IT | 128Mb | 39208 | 16Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V16M8TG-6T IT |
| MT46V16M8TG-6T L | 128Mb | 39208 | 16Mb | x8 | 2.5V | DIMM | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V16M8TG-6T L |
| MT46V16M8TG-75 | 128Mb | 39208 | 16Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M8TG-75 |
| MT46V16M8TG-75 L | 128Mb | 39208 | 16Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V16M8TG-75 L |
| MT46V256M4P-5B | 1Gb | Yes | 256Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V256M4P-5B |
| MT46V256M4P-6T | 1Gb | Yes | 256Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V256M4P-6T |
| MT46V256M4P-75 | 1Gb | Yes | 256Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V256M4P-75 |
| MT46V256M4TG-5B | 1Gb | 39208 | 256Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V256M4TG-5B |
| MT46V256M4TG-6T | 1Gb | 39208 | 256Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V256M4TG-6T |
| MT46V256M4TG-75 | 1Gb | 39208 | 256Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V256M4TG-75 |
| MT46V32M16BN-5B | 512Mb | Yes | 32Mb | x16 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M16BN-5B |
| MT46V32M16BN-6 | 512Mb | Yes | 32Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16BN-6 |
| MT46V32M16BN-6 IT | 512Mb | Yes | 32Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M16BN-6 IT |
| MT46V32M16BN-6 L | 512Mb | Yes | 32Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16BN-6 L |
| MT46V32M16FN-5B | 512Mb | 39208 | 32Mb | x16 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M16FN-5B |
| MT46V32M16FN-6 | 512Mb | 39208 | 32Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16FN-6 |
| MT46V32M16FN-6 IT | 512Mb | 39208 | 32Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M16FN-6 IT |
| MT46V32M16FN-6 L | 512Mb | 39208 | 32Mb | x16 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16FN-6 L |
| MT46V32M16P-5B | 512Mb | Yes | 32Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M16P-5B |
| MT46V32M16P-5B IT | 512Mb | Yes | 32Mb | x16 | 2.5V | TSOP | 66-pin | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V32M16P-5B IT |
| MT46V32M16P-6T | 512Mb | Yes | 32Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16P-6T |
| MT46V32M16P-6T IT | 512Mb | Yes | 32Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M16P-6T IT |
| MT46V32M16P-6T L | 512Mb | Yes | 32Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16P-6T L |
| MT46V32M16P-75 | 512Mb | Yes | 32Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M16P-75 |
| MT46V32M16P-75Z | 512Mb | Yes | 32Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V32M16P-75Z |
| MT46V32M16TG-5B | 512Mb | 39208 | 32Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M16TG-5B |
| MT46V32M16TG-5B IT | 512Mb | 39208 | 32Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V32M16TG-5B IT |
| MT46V32M16TG-6T | 512Mb | 39208 | 32Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16TG-6T |
| MT46V32M16TG-6T IT | 512Mb | 39208 | 32Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M16TG-6T IT |
| MT46V32M16TG-6T L | 512Mb | 39208 | 32Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M16TG-6T L |
| MT46V32M4P-5B | 128Mb | Yes | 32Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M4P-5B |
| MT46V32M4P-6T | 128Mb | Yes | 32Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M4P-6T |
| MT46V32M4P-75 | 128Mb | Yes | 32Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M4P-75 |
| MT46V32M4P-75Z | 128Mb | Yes | 32Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V32M4P-75Z |
| MT46V32M4TG-5B | 128Mb | 39208 | 32Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M4TG-5B |
| MT46V32M4TG-6 | 128Mb | 39208 | 32Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M4TG-6 |
| MT46V32M4TG-6T | 128Mb | 39208 | 32Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M4TG-6T |
| MT46V32M4TG-75 | 128Mb | 39208 | 32Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M4TG-75 |
| MT46V32M4TG-75Z | 128Mb | 39208 | 32Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V32M4TG-75Z |
| MT46V32M8BG-5B | 256Mb | Yes | 32Mb | x8 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M8BG-5B |
| MT46V32M8BG-6 | 256Mb | Yes | 32Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8BG-6 |
| MT46V32M8BG-6 IT | 256Mb | Yes | 32Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M8BG-6 IT |
| MT46V32M8BG-6 L | 256Mb | Yes | 32Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8BG-6 L |
| MT46V32M8BG-75 | 256Mb | Yes | 32Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M8BG-75 |
| MT46V32M8BG-75 IT | 256Mb | Yes | 32Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V32M8BG-75 IT |
| MT46V32M8BG-75E | 256Mb | Yes | 32Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V32M8BG-75E |
| MT46V32M8FG-5B | 256Mb | 39208 | 32Mb | x8 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M8FG-5B |
| MT46V32M8FG-6 | 256Mb | 39208 | 32Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8FG-6 |
| MT46V32M8FG-6 IT | 256Mb | 39208 | 32Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M8FG-6 IT |
| MT46V32M8FG-6 L | 256Mb | 39208 | 32Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8FG-6 L |
| MT46V32M8FG-75 | 256Mb | 39208 | 32Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M8FG-75 |
| MT46V32M8FG-75 L | 256Mb | 39208 | 32Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M8FG-75 L |
| MT46V32M8FG-75E | 256Mb | 39208 | 32Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V32M8FG-75E |
| MT46V32M8P-5B | 256Mb | Yes | 32Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M8P-5B |
| MT46V32M8P-6T | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8P-6T |
| MT46V32M8P-6T IT | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M8P-6T IT |
| MT46V32M8P-6T L | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8P-6T L |
| MT46V32M8P-75 | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M8P-75 |
| MT46V32M8P-75 IT | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V32M8P-75 IT |
| MT46V32M8P-75 L | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M8P-75 L |
| MT46V32M8P-75E | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V32M8P-75E |
| MT46V32M8P-75Z | 256Mb | Yes | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V32M8P-75Z |
| MT46V32M8TG-5B | 256Mb | 39208 | 32Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V32M8TG-5B |
| MT46V32M8TG-6 | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8TG-6 |
| MT46V32M8TG-6T | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8TG-6T |
| MT46V32M8TG-6T IT | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V32M8TG-6T IT |
| MT46V32M8TG-6T L | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V32M8TG-6T L |
| MT46V32M8TG-75 | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V32M8TG-75 |
| MT46V32M8TG-75 IT | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V32M8TG-75 IT |
| MT46V32M8TG-75E | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V32M8TG-75E |
| MT46V32M8TG-75Z | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V32M8TG-75Z |
| MT46V32M8TG-75Z L | 256Mb | 39208 | 32Mb | x8 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V32M8TG-75Z L |
| MT46V64M16P-6T | 1Gb | Yes | 64Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M16P-6T |
| MT46V64M16P-6T IT | 1Gb | Yes | 64Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V64M16P-6T IT |
| MT46V64M16P-75 | 1Gb | Yes | 64Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M16P-75 |
| MT46V64M16TG-6T | 1Gb | 39208 | 64Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M16TG-6T |
| MT46V64M16TG-6T IT | 1Gb | 39208 | 64Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V64M16TG-6T IT |
| MT46V64M16TG-75 | 1Gb | 39208 | 64Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M16TG-75 |
| MT46V64M4BG-5B | 256Mb | Yes | 64Mb | x4 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M4BG-5B |
| MT46V64M4BG-6 | 256Mb | Yes | 64Mb | x4 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M4BG-6 |
| MT46V64M4BG-75 | 256Mb | Yes | 64Mb | x4 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M4BG-75 |
| MT46V64M4BG-75E | 256Mb | Yes | 64Mb | x4 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V64M4BG-75E |
| MT46V64M4FB-6 | 256Mb | 39208 | 64Mb | x4 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M4FB-6 |
| MT46V64M4FG-5B | 256Mb | 39208 | 64Mb | x4 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M4FG-5B |
| MT46V64M4FG-6 | 256Mb | 39208 | 64Mb | x4 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M4FG-6 |
| MT46V64M4FG-75 | 256Mb | 39208 | 64Mb | x4 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M4FG-75 |
| MT46V64M4FG-75E | 256Mb | 39208 | 64Mb | x4 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V64M4FG-75E |
| MT46V64M4P-5B | 256Mb | Yes | 64Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M4P-5B |
| MT46V64M4P-6T | 256Mb | Yes | 64Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M4P-6T |
| MT46V64M4P-75 | 256Mb | Yes | 64Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M4P-75 |
| MT46V64M4P-75E | 256Mb | Yes | 64Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V64M4P-75E |
| MT46V64M4P-75Z | 256Mb | Yes | 64Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V64M4P-75Z |
| MT46V64M4TG-5B | 256Mb | 39208 | 64Mb | x4 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M4TG-5B |
| MT46V64M4TG-6T | 256Mb | 39208 | 64Mb | x4 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M4TG-6T |
| MT46V64M4TG-75 | 256Mb | 39208 | 64Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M4TG-75 |
| MT46V64M4TG-75E | 256Mb | 39208 | 64Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266 | MT46V64M4TG-75E |
| MT46V64M4TG-75Z | 256Mb | 39208 | 64Mb | x4 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V64M4TG-75Z |
| MT46V64M8BN-5B | 512Mb | Yes | 64Mb | x8 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M8BN-5B |
| MT46V64M8BN-6 | 512Mb | Yes | 64Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8BN-6 |
| MT46V64M8BN-6 IT | 512Mb | Yes | 64Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V64M8BN-6 IT |
| MT46V64M8BN-6 L | 512Mb | Yes | 64Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8BN-6 L |
| MT46V64M8BN-75 | 512Mb | Yes | 64Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M8BN-75 |
| MT46V64M8BN-75 IT | 512Mb | Yes | 64Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V64M8BN-75 IT |
| MT46V64M8FN-5B | 512Mb | 39208 | 64Mb | x8 | 2.6V | FBGA | 60-ball | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M8FN-5B |
| MT46V64M8FN-6 | 512Mb | 39208 | 64Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8FN-6 |
| MT46V64M8FN-6 IT | 512Mb | 39208 | 64Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V64M8FN-6 IT |
| MT46V64M8FN-6 L | 512Mb | 39208 | 64Mb | x8 | 2.5V | FBGA | 60-ball | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8FN-6 L |
| MT46V64M8FN-75 | 512Mb | 39208 | 64Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V64M8FN-75 |
| MT46V64M8FN-75 IT | 512Mb | 39208 | 64Mb | x8 | 2.5V | FBGA | 60-ball | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V64M8FN-75 IT |
| MT46V64M8P-5B | 512Mb | Yes | 64Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M8P-5B |
| MT46V64M8P-6T | 512Mb | Yes | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8P-6T |
| MT46V64M8P-6T IT | 512Mb | Yes | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V64M8P-6T IT |
| MT46V64M8P-6T L | 512Mb | Yes | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8P-6T L |
| MT46V64M8TG-5B | 512Mb | 39208 | 64Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V64M8TG-5B |
| MT46V64M8TG-5B IT | 512Mb | 39208 | 64Mb | x8 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V64M8TG-5B IT |
| MT46V64M8TG-6 | 512Mb | 39208 | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8TG-6 |
| MT46V64M8TG-6T | 512Mb | 39208 | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8TG-6T |
| MT46V64M8TG-6T IT | 512Mb | 39208 | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V64M8TG-6T IT |
| MT46V64M8TG-6T L | 512Mb | 39208 | 64Mb | x8 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V64M8TG-6T L |
| MT46V8M16P-5B | 128Mb | Yes | 8Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V8M16P-5B |
| MT46V8M16P-5B IT | 128Mb | Yes | 8Mb | x16 | 2.5V | TSOP | 66-pin | 200 MHz | 5ns | -40C to +85C | CL = 3 | DDR400B | MT46V8M16P-5B IT |
| MT46V8M16P-6T | 128Mb | Yes | 8Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V8M16P-6T |
| MT46V8M16P-6T IT | 128Mb | Yes | 8Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V8M16P-6T IT |
| MT46V8M16P-75 | 128Mb | Yes | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V8M16P-75 |
| MT46V8M16P-75 IT | 128Mb | Yes | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V8M16P-75 IT |
| MT46V8M16P-75Z | 128Mb | Yes | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V8M16P-75Z |
| MT46V8M16TG-55 | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 183 MHz | 5.5ns | 0C to +70C | CL = 3 | DDR400 | MT46V8M16TG-55 |
| MT46V8M16TG-5B | 128Mb | 39208 | 8Mb | x16 | 2.6V | TSOP | 66-pin | 200 MHz | 5ns | 0C to +70C | CL = 3 | DDR400B | MT46V8M16TG-5B |
| MT46V8M16TG-6 | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V8M16TG-6 |
| MT46V8M16TG-6T | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V8M16TG-6T |
| MT46V8M16TG-6T IT | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | -40C to +85C | CL = 2.5 | DDR333 | MT46V8M16TG-6T IT |
| MT46V8M16TG-6T L | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 167 MHz | 6ns | 0C to +70C | CL = 2.5 | DDR333 | MT46V8M16TG-6T L |
| MT46V8M16TG-75 | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V8M16TG-75 |
| MT46V8M16TG-75 IT | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | -40C to +85C | CL = 2.5 | DDR266B | MT46V8M16TG-75 IT |
| MT46V8M16TG-75 L | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2.5 | DDR266B | MT46V8M16TG-75 L |
| MT46V8M16TG-75Z | 128Mb | 39208 | 8Mb | x16 | 2.5V | TSOP | 66-pin | 133 MHz | 7.5ns | 0C to +70C | CL = 2 | DDR266A | MT46V8M16TG-75Z |
双通道同步动态随机存储器（双信道同步动态随机存取内存）即DDR SDRAM (Double Date Rate Synchronous Dynamic Random Access Memory) 为具有双倍数据传输率之SDRAM,其数据传输速度为系统频率之两倍,由于速度增加,其传输效能优于传统的SDRAM。
1张有184针的DDR内存
DDR是一种继SDRAM后产生的内存技术,DDR,英文原意为“Double Data Rate”,顾名思义,就是双数据传输模式。之所以称其为“双”,也就意味着有“单”,我们日常所使用的SDRAM都是“单数据传输模式”。DDR SDRAM最早是由三星公司于1996年提出,由日本电气、三菱、富士通、东芝、日立、德州仪器、三星及现代等八家公司协议订立的内存规格,并得到了AMD、VIA与SiS等主要芯片组厂商的支持。
这种内存的特性是在一个内存时钟周期中,在一个方波上升沿时进行一次操作（读或写）,而DDR则引用了一种新的设计,其在一个内存时钟周期中,在方波上升沿时进行一次操作,在方波的下降沿时也做一次操作,之所以在一个时钟周期中,DDR则可以完成SDRAM两个周期才能完成的任务,所以理论上同速率的DDR内存与SDR内存相比,性能要超出一倍,可以简单理解为100MHZ DDR=200MHZ SDR。
严格的说DDR应该叫DDR SDRAM,人们习惯称为DDR,部分初学者也常看到DDR SDRAM,就认为是SDRAM。DDR SDRAM是Double Data Rate SDRAM的缩写,是双倍速率同步动态随机存储器的意思。DDR内存是在SDRAM内存基础上发展而来的,仍然沿用SDRAM生产体系,因此对于内存厂商而言,只需对制造普通SDRAM的设备稍加改进,即可实现DDR内存的生产,可有效的降低成本。
SDRAM在一个时钟周期内只传输一次数据,它是在时钟的上升期进行数据传输；而DDR内存则是一个时钟周期内传输两次次数据,它能够在时钟的上升期和下降期各传输一次数据,因此称为双倍速率同步动态随机存储器。DDR内存可以在与SDRAM相同的总线频率下达到更高的数据传输率。
与SDRAM相比：DDR运用了更先进的同步电路,使指定地址、数据的输送和输出主要步骤既独立执行,又保持与CPU完全同步；DDR使用了DLL (Delay Locked Loop,延时锁定回路提供一个数据滤波信号)技术,当数据有效时,存储控制器可使用这个数据滤波信号来精确定位数据,每16次输出一次,并重新同步来自不同存储器模块的数据。DDL本质上不需要提高时钟频率就能加倍提高SDRAM的速度,它允许在时钟脉冲的上升沿和下降沿读出数据,因而其速度是标准 SDRA的两倍。
从外形体积上DDR与SDRAM相比差别并不大,他们具有同样的尺寸和同样的针脚距离。但DDR为184针脚,比SDRAM多出了16个针脚,主要包含了新的控制、时钟、电源和接地等信号。DDR内存采用的是支持2.5V电压的SSTL2标准,而不是SDRAM使用的3.3V电压的LVTTL标准。
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