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Test generation for designs with multiple clocks

Published:02 June 2003Publication History

ABSTRACT

To improve the system performance, designs with multiple clocks have become more and more popular. In this paper, several novel test generation procedures are proposed to utilize multiple clocks in the design effectively and efficiently in order to dramatically reduce test pattern count without sacrificing fault coverage or causing clock skew problem. This is achieved by pulsing multiple non-interactive clocks simultaneously and applying a clock concatenation technique. Experimental results on several industrial circuits show significant test pattern count reduction by using the proposed test generation procedures.

References

  1. "Designs with Multiple Clock Domains: Avoiding Clock Skew and Reducing Pattern Count Using DFTAdvisor™ and FastScan™," Technical White Paper, in http://www.mentor.com/dft.Google ScholarGoogle Scholar
  2. R. Press and R. Illman, "ATPG Pattern Compaction: The Next Wave," Technical White Paper, in http://www.mentor.com/dft.Google ScholarGoogle Scholar
  3. V. Jain and J. Waicukauski, "Scan Test Data Volume Reduction in Multi-Clocked Designs with Safe Capture Technique", in Proc. of ITC, pp. 148--153, 2002. Google ScholarGoogle ScholarDigital LibraryDigital Library
  4. "ATPG Tools Reference Manual - FastScan, FlexTest, and TestKompress," Mentor Graphics Corp., 2002.Google ScholarGoogle Scholar

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  1. Test generation for designs with multiple clocks

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      • Published in

        cover image ACM Conferences
        DAC '03: Proceedings of the 40th annual Design Automation Conference
        June 2003
        1014 pages
        ISBN:1581136889
        DOI:10.1145/775832

        Copyright © 2003 ACM

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        Association for Computing Machinery

        New York, NY, United States

        Publication History

        • Published: 2 June 2003

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        DAC '03 Paper Acceptance Rate152of628submissions,24%Overall Acceptance Rate1,770of5,499submissions,32%

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