Design for Testability Techniques at the Behavioraland Register-Transfer Levels

  • Authors:
  • Sujit Dey;Anand Raghunathan;Kenneth D. Wagner

  • Affiliations:
  • Department of ECE, University of California, San Diego, La Jolla, CA 92093. dey@ece.ucsd.edu;NEC USA, C&C Research Labs, Princeton, NJ 08540. anand@ccrl.nj.nec.com;Siemens Microelectronics Inc. San Jose, CA. k.wagner@computer.org

  • Venue:
  • Journal of Electronic Testing: Theory and Applications - special issue on high-level test synthesis
  • Year:
  • 1998

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Abstract

Improving testability during the earlystages of the design flow can have several benefits, includingsignificantly improved fault coverage, reduced test hardwareoverheads, and reduced design iteration times. This paper presents anoverview of high-level design methodologies that consider testabilityduring the early (behavior and architecture) stages of the designflow, and their testability benefits. The topics reviewed includebehavioral and RTL test synthesis approaches that generate easilytestable implementations targeting ATPG (full and partial scan) andBIST methodologies, and techniques to use high-level information forATPG.