Diagnosis of scan path failures

  • Authors:
  • S. Edirisooriya;G. Edirisooriya

  • Affiliations:
  • -;-

  • Venue:
  • VTS '95 Proceedings of the 13th IEEE VLSI Test Symposium
  • Year:
  • 1995

Quantified Score

Hi-index 0.01

Visualization

Abstract

Abstract: Scan based diagnostic schemes are used to diagnose faults in faulty circuits. Such techniques assume that the scan path itself is fault-free. However, the logic circuitry associated with the scan chain may occupy nearly 30% of a chip area and hence warrants consideration during fault diagnosis. In this work we propose a simple extension to the scan chain to diagnose faults in scan chains.