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Technical Articles From Worcester Polytechnic Institute
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1 technical article added by Worcester Polytechnic Institute
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Investigation of Device Damage Due to Electrical Testing
Dec 14, 2012 | Rosa Croughwell and John McNeill, Worcester Polytechnic Institute
This paper examines the potential failure mechanisms that can damage modern lowvoltage CMOS devices and their relationship to electrical testing. Failure mechanisms such as electrostatic discharge (ESD), CMOS latch-up, and transistor gate oxide degradation can occur as a result of electrical over-voltage stress (EOS). In this paper, EOS due to electrical testing is examined and an experiment is conducted using pulsed voltage waveforms corresponding to conditions encountered during in-circuit electrical testing. Experimental results indicate a correlation between amplitude and duration of the pulse waveform and device degradation due to one or more of the failure mechanisms....