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1) DDR 400/333 & DDRII 533/667/800 MHz2) 168/184/240-pin socket type dual in line memory module (DIMM)3) 2.6V power supply 4) Data rate: 400/333/533/667/800Mbps (max.)5) 2.5 V (SSTL-2 compatible) I/O for DDR I products,1.8Vpower supply for DDR II products6) Double data rate architecture, two data transfers per clock7) Bi-directional, data strobe (DQS) is transmitted/received with data, to be used in capturing data at the receiver8) Data inputs and outputs are synchronized with DQS9) DQS is edge aligned with data for read, center aligned with data for write10) Differential clock inputs (CK and CK)11) DLL aligns DQ and DQS transitions with CK transitions12) Commands entered on each positive CK edge, data referenced to both edges of DQS13) Auto precharge option for each burst access14) Programmable burst length: 2, 4, 815) Programmable/CAS latency (CL): 316) Programmable output driver strength: normal/weak
