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QDR-II+

The QDRIIqdr SRAMS are similar to QDRII SRAMs in their operation but with additional performance improvements. The redundant data input clocks (C & /C) are not present in the QDRIIqdr suite of products. Instead QDRIIqdr SRAMs include a hand shake signal (QVLD) that indicates when the Data will become valid thereby simplifying data capture. The customers also have the choice of QDRIIqdr products with programmable ODT (On Die Termination). The QDRIIqdr SRAMs have a maximum speed of 550MHz with read latencies of either 2 cycles or 2.5 cycles, with a burst length of 2 and 4 and are available in an industry standard 165 Ball BGA.



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