Semiconductor integrated circuit having a plurality of circuit b

Details Semiconductor integrated circuit having a plurality of circuit b Semiconductor integrated circuit having a plurality of circuit b

1988-07-01

1990-09-04

Gossage, Glenn

Static information storage and retrieval

Powering

365229, 365227, 36523003, 307 64, G11C 700

Patent

active

049549936

ABSTRACT:
A semiconductor integrated circuit has a logic circuit block, a RAM memory block having an input stage of logical gates and energized independently from the logic circuit block, and a detection circuit for detecting a deenergization of the logic circuit block. The logical gates in the input stage are controlled to produce fixed output signals having a logical high or low level.

REFERENCES:
patent: 3859638 (1975-01-01), Hume, Jr.
patent: 4288865 (1981-09-01), Graham
patent: 4457021 (1984-06-01), Belisomi
patent: 4617473 (1986-10-01), Bingham
patent: 4669066 (1987-05-01), Kagawa et al.
patent: 4710905 (1987-12-01), Uchida
patent: 4754160 (1988-06-01), Ely
patent: 4788450 (1988-11-01), Wagner
patent: 4823323 (1989-04-01), Higuchi

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