Design of Parity Testable Combinational Circuits

  • Authors:
  • B. B. Bhattacharya;S. C. Seth

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1989

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Abstract

The parity testability of a single output is related to its partition in terms of maximal supergates, and a scheme is proposed for making an untestable circuit parity testable by augmenting its maximal supergates. Only a small amount of extra logic and a single external test-mode pin are required to complete the design. The test procedure is simple, and the hardware overhead is low.