At-Speed Logic BIST Architecture for Multi-Clock Designs

  • Authors:
  • Laung-Terng Wang;Xiaoqing Wen;Po-Ching Hsu;Shianling Wu;Jonhson Guo

  • Affiliations:
  • SynTest Technologies, Inc.;Kyushu Institute of Technology, Japan;SynTest Technologies, Inc., Taiwan;SynTest Technologies, Inc.;SynTest Technologies, Inc., China

  • Venue:
  • ICCD '05 Proceedings of the 2005 International Conference on Computer Design
  • Year:
  • 2005

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Abstract

This paper presents an at-speed logic BIST architecture for testing multi-clock, multi-frequency designs. The scheme employed allows true at-speed test quality for circuits containing multiple clocks without any clock frequency manipulation. Physical implementation is easily achieved due to the use of a low-speed scan enable (SE) signal and reduced timing-critical design requirements. Application results for two industrial designs are also reported.