Importance

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Abstract

A memory device provided with an improved control circuit for enabling effective interface with a CPU. The device comprises a memory circuit, a first terminal for receiving a strobe signal for placing the memory circuit in an accessed state, a second terminal for receiving a chain of clock signals, digital counter for counting the clock signals in response to the strobe signal having a plurality of different value of count, output terminals, a circuit for selectively deriving a count signal from one of the count output terminal according to a programmed state, and a ready signal generating circuit for generating a ready signal for indicating the completion of the access operation of the memory circuit in response to the count signal.

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First Claim