0.18-μm CMOS 10-Gb/s multiplexer/demultiplexer ICs using current mode logic with tolerance to threshold voltage fluctuation

Akira Tanabe, Masato Umetani, Ikuo Fujiwara, Takayuki Ogura, Kotaro Kataoka, Masao Okihara, Hiroshi Sakuraba, Tetsuo Endoh, Fujio Masuoka

Research output: Contribution to journalArticlepeer-review

133 Citations (Scopus)

Abstract

A feedback MOS current mode logic (MCML) is proposed for the high-speed operation of CMOS transistors. This logic is more tolerant to the threshold voltage fluctuation than the conventional MCML and is suitable for gigahertz operation of deep-submicron CMOS transistors. Using this logic, 8:1 multiplexer (MUX) and 1:8 demultiplexer (DEMUX) ICs for optical-fiber-link systems have been fabricated with 0.18-μm CMOS transistors. The ICs are faster than conventional CMOS MUX and DEMUX ICs and their power consumption is less than 1/4 of that of the conventional 10-Gb/s MUX and DEMUX ICs made using Si bipolar or GaAs transistors.

Original languageEnglish
Pages (from-to)988-996
Number of pages9
JournalIEEE Journal of Solid-State Circuits
Volume36
Issue number6
DOIs
Publication statusPublished - 2001 Jun

Keywords

  • CMOSFETs
  • Current-mode logic
  • Optical communication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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