Optimal Self-Testing Embedded Parity Checkers

  • Authors:
  • Dimitris Nikolos

  • Affiliations:
  • Univ. of Patras, Patras, Greece

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1998

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Abstract

This paper presents a new simple and straightforward method for designing Self-Testing Embedded (STE) parity checkers. The building block is the two-input XOR gate. During normal, fault-free operation, each XOR gate receives all possible input vectors. The great advantage of the proposed method is that it is the only one that gives, in a simple and straightforward way, optimal STE realizations with respect to the cost (number of XOR gates) and the speed (number of XOR gate levels).