Memory management apparatus that replaces defective storage loca

Details Memory management apparatus that replaces defective storage loca Memory management apparatus that replaces defective storage loca

1997-10-06

2000-05-16

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Addressing combined with specific memory configuration or...

711 5, 711202, 711101, 711170, 714 40, 714 41, 714 42, G06F 1120

Patent

active

060650907

ABSTRACT:
A device for replacing defective storage locations with working storage locations comprises receiving means for receiving an incoming address for accessing a storage location, comparing means for comparing the incoming address with all of the addresses of known defective storage locations, and directing means for directing accesses to an alternative location when the incoming address matches one of the addresses of known defective storage locations. There is one alternative storage location and one comparing means for each known defective storage location. In this invention only a portion of the incoming address is used in the comparing means. In addition, each of the comparing means may use a different portion of the address for accessing a storage location.

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EP, A, 0 442 319 (Texas Instrument Inc) 21 Gallia et al, Whole Document, Aug. 21, 1991.
EP, A, 0 472,209 (Toshiton Micro-Electronics Corp) whole doc., Feb. 26, 1992.

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