Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2011-03-08
2011-03-08
Tra, Quan (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S313000
Reexamination Certificate
active
07902914
ABSTRACT:
A semiconductor integrated circuit includes a core circuit, a power supply switch situated on a path providing a current to the core circuit and configured to control a state of current supply to the core circuit in response to a control signal applied to a control node, a clamp circuit configured to clamp a voltage of the control signal, and a switching circuit configured to control whether to enable or disable a clamp operation of the clamp circuit.
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patent: 6954103 (2005-10-01), Yamauchi et al.
patent: 2006/0152202 (2006-07-01), Okubo et al.
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patent: 2007/0145922 (2007-06-01), Ito et al.
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Yusuke Kanno et al.; “29.4 Hierarchical Power Distribution with 20 Power Domains in 90-nm Low-Power Multi-CPU Processor”; ISSCC; pp. 540-541 & p. 671; 2006.
Arent & Fox LLP
Fujitsu Limited
Tra Quan
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