Oscillation and Sequential Behavior Caused by Interconnect Opens in Digital CMOS Circuits

  • Authors:
  • Haluk Konuk;F. Joel Ferguson

  • Affiliations:
  • -;-

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

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Abstract

Shorts and opens are the most common types of defects in today's CMOS ICs. In this paper we show forthe first time that an open in the interconnect wiringof a digital CMOS circuit can cause oscillation or sequential behavior. We also analyze and compare thefactors affecting the probabilities for an interconnectopen and a feedback bridging fault to oscillate or display sequential behavior.