Design of low-leakage power-rail ESD clamp circuit with MOM capacitor and STSCR in a 65-nm CMOS process

Po Yen Chiu*, Ming-Dou Ker

*Corresponding author for this work

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

    10 Scopus citations

    Abstract

    A power-rail electrostatic discharge (ESD) clamp circuit designed with low-leakage consideration has been proposed and verified in a 65-nm low-voltage CMOS process. By using the metal-oxide-metal (MOM) capacitor in the ESD-detection circuit, the power-rail ESD clamp circuit realized with only thin-oxide (1-V) devices has very low stand-by leakage current, as compared to the traditional design. The experimental results in the silicon chip showed that the standby leakage current is only 358 nA at room temperature (25 °C) under the power-supply voltage of 1 V, whereas the traditional design realized with the NMOS capacitor is as high as 828 μA under the same bias condition.

    Original languageEnglish
    Title of host publication2011 IEEE International Conference on Integrated Circuit Design and Technology, ICICDT 2011
    DOIs
    StatePublished - 24 Jun 2011
    Event2011 IEEE International Conference on Integrated Circuit Design and Technology, ICICDT 2011 - Kaohsiung, Taiwan
    Duration: 2 May 20114 May 2011

    Publication series

    Name2011 IEEE International Conference on Integrated Circuit Design and Technology, ICICDT 2011

    Conference

    Conference2011 IEEE International Conference on Integrated Circuit Design and Technology, ICICDT 2011
    Country/TerritoryTaiwan
    CityKaohsiung
    Period2/05/114/05/11

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