On-Line Testing for VLSI—A Compendium of Approaches

  • Authors:
  • M. Nicolaidis;Y. Zorian

  • Affiliations:
  • Reliable Integrated Systems Group, TIMA, 46 Avenue Felix Viallet, 38031, Grenoble, France. E-mail: michael.nicolaidis@imag.fr;LogicVision, 101-Metro Drive, San Jose, CA 95110, USA. E-mail: zorian@lvision.com

  • Venue:
  • Journal of Electronic Testing: Theory and Applications - Special issue on On-line testing
  • Year:
  • 1998

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Abstract

This paper presents an overview of a comprehensive collection of on-line testing techniques for VLSI. Such techniques are for instance: self-checking design, allowing highquality concurrent checking by means of hardware cost drastically lower than duplication; signature monitoring, allowing low cost concurrent error detection for FSMs; on-line monitoring ofreliability relevant parameters such as current, temperature, abnormal delay, signal activity during steady state, radiation dose, clock waveforms, etc.; exploitation of standard BIST, orimplementation of BIST techniques specific to on-line testing (Transparent BIST, Built-In ConcurrentSelf-Test,...); exploitation of scan paths to transfer internal states for performing varioustasks for on-line testing or fault tolerance; fail-safe techniques for VLSI, avoiding complex fail-safe interfaces using discrete components; radiation hardened designs, avoiding expensivefabrication process such as SOI, etc.