Динамична памет (DRAM)

1. Fast Page Mode (FPM) DRAM or FPRAM
32 бита, 60ns, 70ns, SIMM 30, 72 извода
2. Extended Data Out (EDO) DRAM
64 бита, 66MHz (66MB/s), 3.3V

3. Synchronous DRAM
PC-66, PC-100, PC-133 (15 ns, 10 ns, 7.5 ns)

4. DDR SDRAM

Cycle
time
(ns)

I/O bus
clock
(MHz)

Data
transfer
rate
(MHz)

JEDEC
standard
Module
VDDQ voltage name
(V)

DDR-200 100

10

100

200

2.5±0.2

PC-1600 1600

DDR-266 133

7.5

133

266

2.5±0.2

PC-2100 2100

DDR-333 166

6

166

333

2.5±0.2

PC-2700 2700

DDR-400 200

5