Design on the turn-on efficient power-rail ESD clamp circuit with stacked polysilicon diodes

Ming-Dou Ker*, T. Y. Chen

*Corresponding author for this work

    Research output: Contribution to journalConference articlepeer-review

    3 Scopus citations

    Abstract

    A novel power-rail ESD clamp circuit design by using stacked polysilicon diodes to trigger ESD protection device is proposed to achieve excellent on-chip ESD protection. Design methodology of this novel ESD clamp circuit has been derived in detail. Some controlled factors in the novel ESD clamp circuit can be exactly calculated to design a suitable ESD clamp circuit for different power supply applications. By adding this efficient power-rail ESD clamp circuit, the HBM ESD level of a CMOS IC product has been successfully improved from the original ∼200V to become ≥ 3kV.

    Original languageEnglish
    Pages (from-to)IV758-IV761
    JournalMaterials Research Society Symposium - Proceedings
    Volume626
    DOIs
    StatePublished - 2001
    EventThermoelectric Materials 2000-The Next Generation Materials for Small-Scale Refrigeration and Power Generation Applications - San Francisco, CA, United States
    Duration: 24 Apr 200027 Apr 2000

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