New test data decompressor for low power applications

  • Authors:
  • Grzegorz Mrugalski;Janusz Rajski;Dariusz Czysz;Jerzy Tyszer

  • Affiliations:
  • Mentor Graphics Corporation, Wilsonville, OR;Mentor Graphics Corporation, Wilsonville, OR;Poznań University of Technology, Poznań, Poland;Poznań University of Technology, Poznań, Poland

  • Venue:
  • Proceedings of the 44th annual Design Automation Conference
  • Year:
  • 2007

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Abstract

The paper presents a novel low power test scheme integrated with the embedded deterministic test environment. It reduces significantly switching rates in scan chains with minimal hardware modification. Experimental results obtained for industrial circuits clearly indicate that switching activity can be reduced up to 150 times along with improved compression ratios.