Importance

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Abstract

A method of setting write latency and a write/valid indicator circuit for use with the method. In a preferred embodiment, time margin regions are established just after the first or leading edge and just before the second or following edge of the preamble of the clock signal such that a latency setting will be found unacceptable if it causes a write enable signal to transition in either of these regions. The write/valid indicator circuit creates the start and end time margin regions by delaying either the clock signal or the write enable signal and comparing their timing with the timing of the undelayed write enable signal or clock signal respectively.

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First Claim