Twinmos TwiSTER Series PC3200 / DDR400 2x256MB Dual-Channel Kit 0.5GB DDR 200MHz memory module

2*256MB PC3200 / DDR400 184 Pin DDR Unbuffered DIMM, Cas 2,5, Non-ECC JEDEC Standard
A whopping 6.4GB/s of memory bandwidth
Date Rate:500MHz
Double Data Rate architecture
Bi-directional data strobe (DQS)
Different clock inputs (CK and /CK)
MRS cycle with address key programs

Burst type: Sequential & Interleave
2 variations of refresh

Auto refresh & Self refresh
Edge aligned data output, center aligned data input
2 banks to be operated simultaneously or independently
Serial Presence Detect with EEPROM