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| 產品簡介 |
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| 200-pin socket type small outline dual in line memory module (SO DIMM) 2.5V power supply Data rate: 400Mbps (max.) 2.5 V (SSTL_2 compatible) I/O Double Data Rate architecture; two data transfers per clock cycle Bi-directional, data strobe (DQS) is transmitted/received with data, to be used in capturing data at the receiver Data inputs, outputs and DM are synchronized with DQS 4 internal banks for concurrent operation (Component) DQS is edge aligned with data for READs; center aligned with data for WRITEs Differential clock inputs (CK and /CK) DLL aligns DQ and DQS transitions with CK transitions Commands entered on each positive CK edge; data referenced to both edges of DQS Data mask (DM) for write data Auto precharge option for each burst access Programmable burst length: 2, 4, 8 Programmable /CAS latency (CL): 2, 2.5 Refresh cycles: (8192 refresh cycles /64ms) 7.8us maximum average periodic refresh interval 2 variations of refresh Auto refresh Self refresh |
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