电压 VDD/VDDQ |
2.5V/2.5V |
1.8V/1.8V(±0.1) |
1.5V/1.5V(±0.075) |
I/O接口 |
SSTL_25 |
SSTL_18 |
SSTL_15 |
数据传输率(Mbps) |
200~400 |
400~800 |
800~2000 |
容量标准 |
64M~1G |
256M~4G |
512M~8G |
Memory Latency(ns) |
15~20 |
10~20 |
10~15 |
CL值 |
1.5/2/2.5/3 |
3/4/5/6 |
5/6/7/8 |
预取设计(Bit) |
2 |
4 |
8 |
逻辑Bank数量 |
2/4 |
4/8 |
8/16 |
突发长度 |
2/4/8 |
4/8 |
8 |
封装 |
TSOP |
FBGA |
FBGA |
引脚标准 |
184Pin |
240Pin |
240Pin |