ELECTRONIC DEVICE AND METHOD FOR PROTECTING AGAINST DAMAGE BY ELECTROSTATIC DISCHARGE
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United States of America Patent
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Issued Date -
Aug 8, 2013
app pub date -
Feb 6, 2012
filing date -
Feb 6, 2012
priority date (Note) -
Abandoned
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Abstract
An electronic device with a protective circuit against damage by electrostatic discharge includes a discharge current path connectable between an input to be protected and a ground pin. An enabling circuit outputs a control signal for connecting the discharge current path in the event of an electrostatic discharge. A deactivating circuit which deactivates the enabling circuit during operation of the electronic device is controlled by the inverted control signal. A method of protecting an electronic device against damage by electrostatic discharge includes providing a control signal for connecting a discharge current path between an input to be protected and a ground pin in the event of an electrostatic discharge. An inverted control signal is applied to the inverted control signal to a deactivating circuit. The inverted control signal prevents connection of the discharge current path between the input to be protected and ground during operation of the electronic device.
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