Memory diagnosis apparatus

Error detection/correction and fault detection/recovery – Pulse or data error handling – Memory testing

Reexamination Certificate

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Reexamination Certificate

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07966531

ABSTRACT:
A memory diagnosis apparatus include an intra-word testing unit that tests for a coupling fault in each bit in each word in a memory, an inter-word testing unit that tests for a coupling fault between words in each sub-array each being plural words in the memory, and an inter-block testing unit that tests for a coupling fault between sub-arrays in the memory.

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