Semiconductor integrated circuit

Details Semiconductor integrated circuit Semiconductor integrated circuit

2011-05-17

2011-05-17

Le, Don P (Department: 2819)

Electronic digital logic circuitry

Significant integrated structure, layout, or layout...

C257S207000

Reexamination Certificate

active

07944243

ABSTRACT:
A semiconductor integrated circuit includes: a main-interconnect to which supply voltage or reference voltage is applied; a plurality of sub-interconnects; a plurality of circuit cells configured to be connected to the plurality of sub-interconnects; a power supply switch cell configured to control, in accordance with an input control signal, connection and disconnection between the main-interconnect and the sub-interconnect to which a predetermined one of the circuit cells is connected, of the plurality of sub-interconnects; and an auxiliary interconnect configured to connect the plurality of sub-interconnects to each other.

REFERENCES:
patent: 6989686 (2006-01-01), Arakawa
patent: 7274210 (2007-09-01), Ogata
patent: 2009/0079465 (2009-03-01), Sasaki et al.
patent: 2004-165453 (2004-06-01), None
patent: 2005-259879 (2005-09-01), None
patent: 2006-140363 (2006-06-01), None
patent: WO-2006/114875 (2006-11-01), None
Japanese Office Action issued Sep. 24, 2009 for corresponding Japanese Application No. 2007-289250.
Japanese Office Action issued Dec. 22, 2009 for corresponding Japanese Application No. 2007-289250.

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