A 34-ns 1-Mbit CMOS SRAM Using Triple Polysilicon

Tomohisa Wada, Toshihiko Hirose, Hirofumi Shinohara, Yuji Kawai, Kojiro Yuzuriha, Yoshio Kohno, Shimpei Kayano

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


This paper will describe a 128-kbit word × 8-bit CMOS SRAM with an access time of 34 ns and a standby current of 2 µA. This RAM has been fabricated using triple-polysilicon and single-aluminum CMOS technology with 0.8-µm minimum design features. A high-resistive third polysilicon load has been developed to realize a low standby current. In order to obtain a faster access time, a 16-block architecture and a data-output presetting technique combined with address transistion detection (ATD) are used. This RAM has a “flash-clear” function in which logical zero's are written into all memory cells in less than 1 μs.

Original languageEnglish
Pages (from-to)727-732
Number of pages6
JournalIEEE Journal of Solid-State Circuits
Issue number5
Publication statusPublished - 1987 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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