Redundancy analyzer for automatic memory tester

Details Redundancy analyzer for automatic memory tester Redundancy analyzer for automatic memory tester

1993-01-29

1996-12-24

Beausoliel, Jr., Robert W.

Excavating

39518318, 371 211, 371 401, 3642431, 3642453, 3642683, G06F 1100

Patent

active

055881157

ABSTRACT:
Memory test apparatus including a redundancy analyzer with a catch RAM transfer interface circuit receiving fault information for a plurality of regions of a memory under test simultaneously in parallel and transmitting the information for each region to a respective one of a plurality of region modules that each has a region input circuit, a region fault RAM, and a microprocessor connected to have access to the region fault RAM, the region fault RAMs storing fault addresses identifying the locations of faults in the memory under test.

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