Restrict Encoding for Mixed-Mode BIST

  • Authors:
  • Abdul-Wahid Hakmi;Stefan Holst;Hans-Joachim Wunderlich;Jurgen Schloffel;Friedrich Hapke;Andreas Glowatz

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • VTS '09 Proceedings of the 2009 27th IEEE VLSI Test Symposium
  • Year:
  • 2009

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Abstract

Programmable mixed-mode BIST schemes combine pseudo-random pattern testing and deterministic test. This paper presents a synthesis technique for a mixed-mode BIST scheme which is able to exploit the regularities of a deterministic test pattern set for minimizing the hardware overhead and memory requirements. The scheme saves more than 50% hardware costs compared with the best schemes known so far while complete programmability is still preserved.