Configurable DDR write-channel phase advance and delay capability

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United States of America Patent

PATENT NO 6504790
SERIAL NO

09925257

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Abstract

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The phase of a memory clock signal is adjusted by advancing and/or delaying the phase. A configuration register is used to determine the phase adjustment of the memory clock signal. The value of the configuration register can be changed through software. This flexible phase adjustment technique is valuable in meeting various timing requirements in a source synchronous memory controller.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wolford, Barry Joe Austin, TX 34 557

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