An Implementation of Multiple-Valued Logic and Fuzzy Logic Circuits Using 1.5 V Bi-CMOS Current-Mode Circuit

Mamoru SASAKI  Kazutaka TANIGUCHI  Yutaka OGATA  Fumio UENO  Takahiro INOUE  

IEICE TRANSACTIONS on Information and Systems   Vol.E76-D   No.5   pp.571-576
Publication Date: 1993/05/25
Online ISSN: 
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Issue on Multiple-Valued Logic)
Category: Circuits
computer hardware and design,  multiple-valued logic circuit,  fuzzy logic circuit,  Bi-CMOS current-mode circuit,  

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This paper presents Bi-CMOS current-mode multiple valued logic circuit with 1.5 V supply voltage. This circuit is composed of current mirror, threshold detector and current source. This circuit has advantages such as high accuracy, high speed, high density and low supply voltage. So, it is possible to realize high-radix multiple valued logic circuit. As an other application of the proposed circuit, a processing unit of fuzzy inference is given. This circuit operates with high speed and high accuracy. The circuit simulation of the proposed circuit has been performed using SPICE2 program.