A New CR-Delay Circuit Technology for High-Density and High-Speed DRAM’s

Yohji Watanabe, Takashi Ohsawa, Kiyofumi Sakurai, Tohru Furuyama

    Research output: Contribution to journalArticlepeer-review

    12 Citations (Scopus)

    Abstract

    A novel capacitance-resistance (CR-) delay circuit technology for high-density DRAM’s has been developed as a method to assure full asynchronicity between memory cell array and peripheral circuits over a wide range of both operating and process conditions, and thus, to realize a fast access time. A unique noise compensation scheme is introduced to the CR-delay circuit to generate a constant delay even under the power supply line noise. This CR-delay circuit was applied to the 4-Mbit DRAM peripheral circuit. As a result, a timing loss as well as a malfunction could be successfully avoided, and 7 ns faster access time and 39 ns shorter cycle time have been achieved, compared with a conventional design using normal inverter chains.

    Original languageEnglish
    Pages (from-to)905-910
    Number of pages6
    JournalIEEE Journal of Solid-State Circuits
    Volume24
    Issue number4
    DOIs
    Publication statusPublished - 1989 Aug

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

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