Active solid-state devices (e.g. – transistors – solid-state diode – Gate arrays – With particular power supply distribution means
Reexamination Certificate
2005-03-29
2005-03-29
Ngô, Ngân V. (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Gate arrays
With particular power supply distribution means
C257S208000, C257S369000, C257S394000
Reexamination Certificate
active
06872991
ABSTRACT:
Circuits within a logic domain use partitioned power supply buses. Selected of the power supply buses are coupled to the power supply voltage potentials with electronic switches with gradated conductivity and leakage current. When the circuits are actively switching during a logic operation, the power supply voltage potentials are coupled to the buses with maximum conductivity. At predetermined times later, selected of the electronic switches are switched OFF to reduce leakage current. Lower conductivity and thus lower leakage switches remain ON to ensure corresponding logic states are maintained during a controlled low leakage time period. Various logic configurations are used to switch OFF high leakage devices.
REFERENCES:
patent: 6400540 (2002-06-01), Chang
patent: 6653751 (2003-11-01), Teh Lo
patent: 6657836 (2003-12-01), He et al.
patent: 20030201457 (2003-10-01), Lin et al.
Kuang Jente B.
Ngo Hung C.
Nowka Kevin J.
Frankeny Richard F.
Ngo Ngan V.
Salys Casimer K.
Winstead Sechrest & Minick P.C.
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