Mode switching for a memory system with diagnostic scan

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United States of America Patent

PATENT NO 5255381
SERIAL NO

07582476

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Abstract

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Methods and apparatus for immunizing dynamic random access memory (DRAM) modules in the data processing system against data loss from transitions that occur with memory mode switching during the scan operation and permitting normal operations to be performed on the memory modules regardless of the state of the system clocks.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chinnaswamy, Kumar Milford, MA 11 303
Collins, Hansel A Clinton, MA 12 548
Evans, Michael B Marlborough, MA 10 576
Fissette, Timothy P Westminster, MA 2 5
Gagliardo, Michael A Shrewsbury, MA 10 157
Lynch, John J Wayland, MA 17 135
Tessari, James E Arlington, MA 9 130

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