Latency in QDR II compared to QDR
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Dec 19, 2008
12:00 AM
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Dec 19, 2008
12:00 AM
Question: Why is there an extra 1/2 clock cycle of latency on the QDR II compared to QDR?
Answer:
The QDR II has an internal DLL(Delay Locked loop) which is used to make the TCO(Clock to output time) shorter on the QDR II and hence the extra 1/2 cycle of latency on the initial read. Thus increasing the data valid window.
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- synchronous srams
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