Automatic methodology for placing the guard rings into chip layout to prevent latchup in CMOS IC's

Ming-Dou Ker*, Hsin Chin Jiang, Jeng Jie Peng, Tzay Luen Shieh

*Corresponding author for this work

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

    10 Scopus citations

    Abstract

    A program methodology is proposed to automatically place the guard rings in the chip layout to improve latchup immunity of the CMOS IC's. The additional guard rings between the I/O cells and the internal circuits had been practically proven to significantly increase the latchup immunity of CMOS IC's. Therefore, the layout spacing from the I/O cells to the internal circuits can be reduced to a reasonable distance to save the total chip size. In this paper, a "Guard Ring Automation" program to realize the additional guard rings in the layout is proposed to make the layout more automatically and accurately.

    Original languageEnglish
    Title of host publicationICECS 2001 - 8th IEEE International Conference on Electronics, Circuits and Systems
    Pages113-116
    Number of pages4
    DOIs
    StatePublished - 1 Dec 2001
    Event8th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2001 - , Malta
    Duration: 2 Sep 20015 Sep 2001

    Publication series

    NameProceedings of the IEEE International Conference on Electronics, Circuits, and Systems
    Volume1

    Conference

    Conference8th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2001
    Country/TerritoryMalta
    Period2/09/015/09/01

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