A new low energy BIST using a statistical code

  • Authors:
  • Sunghoon Chun;Taejin Kim;Sungho Kang

  • Affiliations:
  • Yonsei University, Shinchon-dong Seodaemoon-gu, Seoul, Korea;Yonsei University, Shinchon-dong Seodaemoon-gu, Seoul, Korea;Yonsei University, Shinchon-dong Seodaemoon-gu, Seoul, Korea

  • Venue:
  • Proceedings of the 2008 Asia and South Pacific Design Automation Conference
  • Year:
  • 2008

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Abstract

To tackle with the increased switching activity during the test operation, this paper proposes a new built-in self test (BIST) scheme for low energy testing that uses a statistical code and a new technique to skip unnecessary test sequences. From a general point of view, the goal of this technique is to minimize the total power consumption during a test and to allow the at-speed test in order to achieve high fault coverage. The effectiveness of the proposed low energy BIST scheme was validated on a set of ISCAS '89 benchmark circuits with respect to test data volume and energy saving.