Enhanced protective multiplexer

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United States of America Patent

PATENT NO 9838004
SERIAL NO

15079304

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Abstract

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Systems and methods are disclosed, including a protection multiplexer circuit configured to receive a control signal and a reference voltage, to provide the reference voltage at an output when the control signal is in a first state, and to isolate the reference voltage from the output when the control signal is in a second state. The protection multiplexer circuit includes cascaded first and second transistors, wherein the first transistor is a native transistor. Control inputs of the first and second transistors are configured to receive the control signal, a first terminal of the first transistor is configured to receive the reference voltage, and the first terminal of the second transistor is coupled to the output. Methods of operation are disclosed, and other embodiments.

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Patent Owner(s)

Patent OwnerAddress
FAIRCHILD SEMICONDUCTOR CORPORATION5005 E MCDOWELL ROAD MAILDROP A700 PHOENIX AS 85008

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Snowdon, Kenneth P Falmouth, US 33 167
Stultz, Julie Lynn Scarborough, US 22 135

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