Semiconductor integrated circuit

Details Semiconductor integrated circuit Semiconductor integrated circuit

2008-12-19

2010-12-07

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Switch actuation

Reexamination Certificate

active

07847441

ABSTRACT:
A semiconductor integrated circuit includes a plurality of circuit blocks; a plurality of power switches configured to supply power or cut power supply to the corresponding circuit blocks on a circuit-block-by-circuit-block basis in accordance with logic states of first control signals; a power switch controller configured to select, upon receipt of a second control signal, which power switches to control from among the plurality of power switches, and output third control signals instructing the selected power switches to supply power or cut power supply; and a first protection circuit provided between the power switches and the power switch controller, the first protection circuit being configured to output the first control signals, which are obtained by converting the logic states of the third control signals, to the selected power switches.

REFERENCES:
patent: 7275164 (2007-09-01), Hottelet et al.
patent: 2006-344640 (2006-12-01), None

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