The SCR Protection Circuit Evaluation in HV DEMOS Devices

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Abstract:

The electrostatic discharge (ESD) failure of power drain-extended MOS (DEMOS) devices, the protection circuit SCR, and a DEMOS with SCR protection circuit will be investigated in this paper. The ESD immunity of the DEMOS was very poor under the human-body model (HBM) testing. Here we discuss how to design an ESD good SCR device. Eventually, the ESD immunity of DEMOS test sample with an SCR circuit can significantly improve device ESD performance.

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2923-2926

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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