Semiconductor integrated circuit with redundant circuit replacem

Details Semiconductor integrated circuit with redundant circuit replacem Semiconductor integrated circuit with redundant circuit replacem

1985-05-30

1988-06-21

Hecker, Stuart N.

Static information storage and retrieval

Read/write circuit

Bad bit

365189, 365230, 371 10, G11C 800, G11C 2900, G11C 700

Patent

active

047529148

ABSTRACT:
A semiconductor integrated circuit including a memory unit for storing address information of a failed circuit portion and for replacing the failed circuit portion by a redundant circuit portion. The semiconductor integrated circuit provides a comparison unit for detecting coincidence between data read from the memory unit and a received input address. Data produced from the comparison by the comparison unit is delivered through an external connection terminal.

REFERENCES:
patent: 4346459 (1982-08-01), Sud et al.
patent: 4480199 (1984-10-01), Varshney et al.
patent: 4538245 (1985-08-01), Smarandoiu et al.
patent: 4546454 (1985-10-01), Gupta et al.
patent: 4571707 (1986-02-01), Watanabe
patent: 4586170 (1986-04-01), O'Toole

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