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DDR2 Memory
DDR2 SDRAM is a double data rate synchronous dynamic random access memory interface. It supersedes the original DDR SDRAM specification and the two are not compatible. The primary improvement that DDR2 brings over its predecessor is the operation of the external data bus at twice the clock rate. This is achieved by operating the memory cells at half the clock rate (one quarter of the data transfer rate), rather than at the clock rate as in the original DDR. More about DDR2 Memory ... |
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