Semiconductor integrated circuit device of dual configuration ha

Electronic digital logic circuitry – Reliability – Redundant

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326125, 327215, H03K 19003

Patent

active

055086349

ABSTRACT:
A semiconductor integrated circuit device has a dual configuration involving a first latch circuit and a second latch circuit that are connected in parallel with each other. The first latch circuit is provided with an input terminal to operate the first latch circuit independently of the second latch circuit. This semiconductor integrated circuit device is capable of individually testing the latch circuits of the dual configuration, to ensure the merit of the dual configuration.

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patent: 4154395 (1979-05-01), Fancy
patent: 4613777 (1986-09-01), Kible
patent: 4849657 (1989-07-01), Boisvert
patent: 5175605 (1992-12-01), Pavlu et al.
patent: 5250858 (1993-10-01), Strong
patent: 5436572 (1995-07-01), Sugiyama

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