Electronic digital logic circuitry – Tri-state – With field-effect transistor
Reexamination Certificate
2007-10-26
2010-02-23
Tan, Vibol (Department: 2819)
Electronic digital logic circuitry
Tri-state
With field-effect transistor
C326S056000, C326S058000, C326S093000, C326S094000, C326S095000, C326S096000, C326S097000, C326S098000
Reexamination Certificate
active
07667489
ABSTRACT:
A voltage regulator and method of voltage regulation for a power-on reset condition are described. Voltage regulation control signals responsive to the power-on reset condition are obtained. The control signals are generated with a first voltage to be associated with a second voltage to provide a first power-on-reset signal and a second power-on-reset signal which are opposite in state to one another. A portion of driver logic is tri-stated responsive to the control signals, and the second power-on-reset signal to at least impede supply to supply current leakage. Voltage is pulled up on a first output port and a second output port of the driver logic responsive to the first power-on-reset signal. A portion of a semiconductor substrate is electrically coupled to a higher one of a first voltage and a second voltage responsive to the pulling up to at least further impede the supply to supply current leakage.
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George Thomas
Tabler Matthew C
Tan Vibol
Webostad W. Eric
Xilinx , Inc.
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