Semiconductor device

Electricity: electrical systems and devices – Safety and protection of systems and devices – Transient responsive

Reexamination Certificate

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C361S056000, C361S091100

Reexamination Certificate

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07545618

ABSTRACT:
A semiconductor device includes one or more first transistors of which each source connects to a power wiring, a second transistor of which a source connects to a ground wiring and a drain connects to a drain of the first transistor, one or more third transistors of which each source connects to the power wiring and each drain connects to the drains of the first and second transistors, and a gate potential control circuit which controls the gate potential of the third transistors based on the potential of the power wiring.

REFERENCES:
patent: 4851721 (1989-07-01), Okitaka
patent: 5089728 (1992-02-01), Nguyen
patent: 5237395 (1993-08-01), Lee
patent: 5510728 (1996-04-01), Huang
patent: 5550486 (1996-08-01), Sweeney et al.
patent: 5825601 (1998-10-01), Statz et al.
patent: 6690561 (2004-02-01), Hung et al.
patent: 6912109 (2005-06-01), Ker et al.
patent: 2002/324842 (2002-11-01), None

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