Scan Latch Design for Delay Test

  • Authors:
  • Jacob Savir

  • Affiliations:
  • -

  • Venue:
  • ITC '97 Proceedings of the 1997 IEEE International Test Conference
  • Year:
  • 1997

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Abstract

This paper describes three new designs of a shift registerlatch that lend themselves to distributed self-test and delaytest. The advantages of these new SRLs are faster applicationof test vectors, higher DC and AC fault coverages,with low performance impact. Operation, cost, and otherattributes are studied in detail. Results of adopting one ofthe new SRLs are reported on three pilot chips.