Anomalous latchup failure induced by on-chip ESD protection circuit in a high-voltage CMOS IC product

I. Cheng Lin, Chih Yao Huang, Chuan Jane Chao, Ming-Dou Ker, Sung Yu Chuan, Len Yi Leu, Fu Chien Chiu, Jen Chou Tseng

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

    9 Scopus citations

    Abstract

    Latchup failure induced by ESD protection circuits occurred in a high-voltage IC product. Latchup occurred anomalously at only several output pins. All output pins have nearly identical layouts except the side output pin has a N-well resistor of RC gate-coupled PMOS beside. It was later found this N-well resistor is the main cause of inducing latchup.

    Original languageEnglish
    Title of host publicationProceedings of the 9th International Symposium on the Physical and Failure Analysis of Integrated Circuits, IPFA 2002
    EditorsWai Kin Chim, John Thong, Wilson Tan, Kheng Chooi Lee
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages75-79
    Number of pages5
    ISBN (Electronic)0780374169
    DOIs
    StatePublished - 2002
    Event9th International Symposium on the Physical and Failure Analysis of Integrated Circuits, IPFA 2002 - Singapore, Singapore
    Duration: 12 Jul 2002 → …

    Publication series

    NameProceedings of the International Symposium on the Physical and Failure Analysis of Integrated Circuits, IPFA
    Volume2002-January

    Conference

    Conference9th International Symposium on the Physical and Failure Analysis of Integrated Circuits, IPFA 2002
    Country/TerritorySingapore
    CitySingapore
    Period12/07/02 → …

    Keywords

    • Breakdown voltage
    • CMOS integrated circuits
    • Circuit testing
    • Clamps
    • Electrostatic discharge
    • Pins
    • Power supplies
    • Protection
    • Resistors
    • Thyristors

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