Electro-static discharge (ESD) damage self-test

Electro-static discharge (ESD) damage self-test

Examples described herein provide a circuit and methods for self-testing to detect damage to a device, which damage may be caused by an Electro-Static Discharge (ESD) event. In an example, an integrated circuit includes an input/output circuit, an ESD protection circuit, and a system monitor. The in...

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Hauptverfasser: Jennings, John K, Hart, Michael J, Karp, James
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
SEMICONDUCTOR DEVICES
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creator Jennings, John K
Hart, Michael J
Karp, James
description Examples described herein provide a circuit and methods for self-testing to detect damage to a device, which damage may be caused by an Electro-Static Discharge (ESD) event. In an example, an integrated circuit includes an input/output circuit, an ESD protection circuit, and a system monitor. The input/output circuit has an input/output node. The ESD protection circuit is connected to the input/output node. The system monitor has a driving/measurement node selectively connectable to the input/output node. The system monitor is configured to drive and measure a voltage of the driving/measurement node. The system monitor is further configured to determine, based on driving and measuring the voltage of the driving/measurement node, whether a damaged device is present. The damaged device is in the input/output circuit or the ESD protection circuit.
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subjects BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
SEMICONDUCTOR DEVICES
title Electro-static discharge (ESD) damage self-test
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