DRAM
- Tutorial
Type | Transfer Rate | Comment |
---|---|---|
SDR | ||
DDR | (memory bus clock rate) × 2 (for dual rate) × (number of bits transferred) / 8 (number of bits/byte) | memory clock rate = memory bus clock rate(I/O bus clock rate) |
DDR2 | (memory clock rate) × 2 (for bus clock multiplier) × 2 (for dual rate) × (number of bits transferred) / 8 (number of bits/byte) | (memory clock rate) × 2 (for bus clock multiplier) = (I/O bus clock rate) |
DDR3 | (memory clock rate) × 4 (for bus clock multiplier) × 2 (for data rate) × (number of bits transferred) / 8 (number of bits/byte) | (memory clock rate) × 4 (for bus clock multiplier) = (I/O bus clock rate) |
- RL(READ Latency) = AL(Additive Latency) + CL(CAS Latency)
- 高手进阶,终极内存技术指南——完整进阶版
- 图解SDRAM工作流程:仓库物语
- SDRAM的结构、时序与性能的关系 (上), (下)
- 如日中天——DDR SDRAM (上), (下)
page revision: 31, last edited: 23 Aug 2016 04:56