Electrostatic discharge (ESD) protection circuit

Electrostatic discharge (ESD) protection circuit

An electrostatic discharge (ESD) protection circuit is disclosed. In this regard, an ESD protection circuit is provided to protect an integrated circuit (IC) from an ESD event. In one aspect, an ESD voltage detection circuitry activates an ESD clamping circuitry when an ESD voltage associated with f...

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1. Verfasser: Peachey, Nathaniel
Format: Patent
Sprache:eng
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CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator Peachey, Nathaniel
description An electrostatic discharge (ESD) protection circuit is disclosed. In this regard, an ESD protection circuit is provided to protect an integrated circuit (IC) from an ESD event. In one aspect, an ESD voltage detection circuitry activates an ESD clamping circuitry when an ESD voltage associated with faster voltage rise time is detected between a supply rail and a ground rail. In another aspect, an operation voltage detection circuitry deactivates the ESD clamping circuitry when an operation voltage associated with slower voltage rise time is detected between the supply rail and the ground rail. By differentiating the ESD voltage from the operation voltage based on respective voltage rise times, it is possible to prevent the ESD clamping circuitry from missing the ESD voltage associated with the faster voltage rise time or being falsely activated by the operation voltage associated with the slower voltage rise time.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title Electrostatic discharge (ESD) protection circuit
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