Motorola Corporation

Robert D Whitley

Ralph E Snowden

A circuit comprising first, second and third latches selectively extends a cycle of a clock signal of a memory system in response to a control signal. A second clock signal having a frequency which is a predetermined multiple of the clock signal of the memory system is coupled to an input of the second and third latches. The first latch receives first and second control signals indicating the detection of parity errors in the memory system and suspends or delays the normal transition of the third latch which provides the memory system clock signal, thereby extending a cycle of the clock signal. The second latch resets the first latch which thereafter resets the third latch causing the clock signal to return to normal cycle operation.

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Austin, TX, United States of America

Robert D Whitley