User programmable redundant memory

Details User programmable redundant memory User programmable redundant memory

1989-10-30

1990-12-04

Clawson, Jr., Joseph E.

Static information storage and retrieval

Read/write circuit

Bad bit

36523003, 371 103, G11C 700

Patent

active

049758829

ABSTRACT:
A memory has a programmable circuit which allows a user to select an amount of redundancy the memory has varying from zero percent to one-hundred percent. A received address is compared by the circuit with a redundancy percentage control signal to determine if the address falls within a redundant portion of the memory. If so, a redundancy enable signal is asserted to allow the memory to utilize the redundant circuitry.

REFERENCES:
patent: 4758988 (1988-07-01), Kuo
patent: 4809228 (1989-02-01), Iida
patent: 4922456 (1990-05-01), Naddor et al.

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