Design of AC-coupled circuit for high-speed interconnects

Chun Wei Huang*, Kai Jen Liu, Yu Jung Huang, Ming Kun Chen, Yi Lung Lin, Ming-Dou Ker

*Corresponding author for this work

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

    3 Scopus citations

    Abstract

    The scaling of semiconductor technology together with 3D IC stacking integration make it possible for many portable electronics to process large amount of multimedia data. AC-coupling enables chip placed face-to-face for signal transmission using close-field capacitive coupling. A high performance system design using AC coupled interconnect (ACCI) technology not only achieves shorter and faster interconnection between dies but also increases packaging density. This paper describes a chip-to-chip circuit design suitable for high-speed 3DIC interconnected applications. The AC-Coupled face-to-face (F2F) chip was simulated using HSPICE with TSMC 0.18-μm 1P6M CMOS technology process file under a 1.8 V supply voltage. The simulation results indicated the proposed circuit with the self-test characteristics can achieve differential signal transmission up to 2.5 Gbps.

    Original languageEnglish
    Title of host publication2012 IEEE Global High Tech Congress on Electronics, GHTCE 2012
    Pages87-90
    Number of pages4
    DOIs
    StatePublished - 1 Dec 2012
    Event2012 IEEE Global High Tech Congress on Electronics, GHTCE 2012 - Shenzhen, China
    Duration: 18 Nov 201220 Nov 2012

    Publication series

    Name2012 IEEE Global High Tech Congress on Electronics, GHTCE 2012

    Conference

    Conference2012 IEEE Global High Tech Congress on Electronics, GHTCE 2012
    Country/TerritoryChina
    CityShenzhen
    Period18/11/1220/11/12

    Keywords

    • AC-Coupled
    • Differential signal transmission
    • High-speed interconnected
    • Three-dimensional integrated circuit (3D IC)

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