Digital Signature Proposal for Mixed-Signal Circuits

  • Authors:
  • Anna Maria Brosa;Joan Figueras

  • Affiliations:
  • -;-

  • Venue:
  • ITC '00 Proceedings of the 2000 IEEE International Test Conference
  • Year:
  • 2000

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Abstract

A new Built-In Self-Test structure, based onthe information provided by the XY-operation(Lissajous curves) is introduced in this paper. ADigital Signature is obtained which is used todiscriminate catastrophic as well as parametricdefects. High Fault Coverage is achieved whenapplying the proposed BIST on an ITC'97 benchmarkcircuit where 92% of the catastrophic defects and87.5% of the parametric defects analyzed produceddigital signatures clearly distinguishable from thegolden signature.