Mechanism of snapback failure induced by the latch-up test in high-voltage CMOS integrated circuits

Jen Chou Tseng*, Yu Lin Chen, Chung Ti Hsu, Fu Yi Tsai, Po An Chen, Ming-Dou Ker

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    3 Scopus citations

    Abstract

    An electrical overstress failure induced by a latch-up test is studied in high-voltage integrated circuits. The latchup test resulted in damage to the output NMOSFET due to snapback and also resulted in a latchup in the internal circuits. These mechanisms are analyzed and solutions are proposed to avoid the triggering of the output NMOSFET and the resulting latchup issue.

    Original languageEnglish
    Title of host publication46th Annual 2008 IEEE International Reliability Physics Symposium Proceedings, IRPS
    Pages625-626
    Number of pages2
    DOIs
    StatePublished - 17 Sep 2008
    Event46th Annual 2008 IEEE International Reliability Physics Symposium, IRPS - Phoenix, AZ, United States
    Duration: 27 Apr 20081 May 2008

    Publication series

    NameIEEE International Reliability Physics Symposium Proceedings
    ISSN (Print)1541-7026

    Conference

    Conference46th Annual 2008 IEEE International Reliability Physics Symposium, IRPS
    Country/TerritoryUnited States
    CityPhoenix, AZ
    Period27/04/081/05/08

    Keywords

    • EOS
    • ESD
    • High-voltage
    • Latch-up

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