A New Transition Count Method for Testing of Logic Circuits

Konstantinos I. Diamantaras, Niraj K. Jha

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

In this paper we propose a new transition count method for detecting faults in single and multiple output logic circuits. It can be extended to sequential circuits in which scan design is incorporated. This method is called double transition count (DTC) testing for single output circuits, and multiple transition count (MTC) testing for multiple output circuits. We show that the detectability of faults obtained by DTC and MTC testing is the same as that obtained by conventional testing. Hence, this method does not result in any information loss although the set of output vectors is considerably compressed. Furthermore, the size of a DTC or MTC test is equal to the size of the equivalent conventional test since no test vectors need to be repeated. Finally, the basic test circuitry required is very simple, consisting of only one flip-flop, one OR gate, one inverter, and one switch per output.

Original languageEnglish (US)
Pages (from-to)407-410
Number of pages4
JournalIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Volume10
Issue number3
DOIs
StatePublished - Mar 1991

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering

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