High-current characterization of polysilicon diode for electrostatic discharge protection in sub-quarter-micron complementary metal oxide semiconductor technology

Ming-Dou Ker*, Chyh Yih Chang

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    2 Scopus citations

    Abstract

    Polysilicon diodes used in sub-quarter-micron complementary metal oxide semiconductor (CMOS) technologies are characterized by transmission line pulse (TLP) measurement to investigate device characteristics in a high-current regime. The second-breakdown current (It2) of the polysilicon diode shows good linear dependence on the device junction perimeter. When the polysilicon diodes are connected in a stacked configuration for reducing parasitic capacitance, the stacked polysilicon diodes show no degradation in electrostatic discharge (ESD) robustness compared with a single polysilicon diode. Such CMOS process-compatible polysilicon diodes have been successfully used as on-chip ESD protection devices for GHz radio-frequency (RF) circuits.

    Original languageEnglish
    Pages (from-to)3377-3378
    Number of pages2
    JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
    Volume42
    Issue number6 A
    DOIs
    StatePublished - Jun 2003

    Keywords

    • Electrostatic discharge (ESD)
    • Parasitic capacitance
    • Polysilicon diode
    • Radio frequency (RF)
    • Substrate noise

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