From Design Validation to Hardware Testing: A Unified Approach

  • Authors:
  • Ghassan Al-Hayek;Chantal Robach

  • Affiliations:
  • LCIS-INPG, BP 54, 50 rue B. de Laffemas, 26902 Valence, France. alhayek@esisar.inpg.fr;LCIS-INPG, BP 54, 50 rue B. de Laffemas, 26902 Valence, France. robach@esisar.inpg.fr

  • Venue:
  • Journal of Electronic Testing: Theory and Applications - Special issue on the IEEE European Test Workshop
  • Year:
  • 1999

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Abstract

In this paper we propose a new approach that addresses boththe problems of design validation and hardware testing since theearly stages of the design flow. The approach consists in adaptingthe mutation testing, a software method, to circuits described inVHDL. At the functional level, the approach behaves as a designvalidation method and at the hardware level as a classical ATPG.Standard software test metrics are used for assessing the quality ofthe design validation process, and the hardware fault coverage forassessing the test quality at the hardware level. An enhancementprocess that allows design validation to be efficiently reused forhardware testing is detailed. The approach is shown to be efficientupon a set of representative circuits.