Denali Software, Inc.

Art Gmurowski

Steven Lee Shrader

Samitinjoy Pal

Michael McKeon

An interface for sending write data, write control signals and write data between a memory controller and a double data rate (DDR) memory with the appropriate timing relationships so that the write data can be reliably written in the DDR memory. Also, an interface for reliably capturing read data received from the DDR memory during a read operation.

Input/output cells for a double data rate (DDR) memory controller

Circuitry for programming the amount of delay applied to an input signal, the circuitry performing the method of determining the number of delay elements required to capture a clock cycle, receiving a programmable delay value and calculating the number of delay elements required to delay a clock signal by the received delay value and delaying the clock signal by the number of delay elements required to delay the clock signal by the programmable delay value.

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Rochester, MI, United States of America

Art Gmurowski