Resistive threshold logic

Alex Pappachen James, Linu Rose V.J. Francis, Dinesh S. Kumar

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

We report a resistance-based threshold logic family useful for mimicking brain-like large variable logic functions in VLSI. A universal boolean logic cell based on an analog resistive divider and threshold logic circuit is presented. The resistive divider is implemented using memristors, and provides output voltage as a summation of weighted product of input voltages. The output of the resistive divider is converted into a binary value by a threshold operation implemented by CMOS inverter and/or Opamp. A universal cell structure is presented to decrease the overall implementation complexity and number of components. When the number of input variables becomes very high, the proposed cell offers advantages of smaller area and design simplicity in comparison with CMOS-based logic circuits.

Original languageEnglish
Article number6409487
Pages (from-to)190-195
Number of pages6
JournalIEEE Transactions on Very Large Scale Integration (VLSI) Systems
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 2014

Keywords

  • CMOS logic circuits
  • memristors
  • resistive circuits
  • threshold logic

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Electrical and Electronic Engineering

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