Experience in Validation of PowerPCTM Microprocessor Embedded Arrays

  • Authors:
  • Li-C. Wang;Magdy S. Abadir

  • Affiliations:
  • Somerset PowerPC Design Center, Motorola Inc., 6200 Bridgepoint Parkway, Bldg 4, Austin, Texas 78730, USA. licwang@ee.tamu.edu;Somerset PowerPC Design Center, Motorola Inc., 6200 Bridgepoint Parkway, Bldg 4, Austin, Texas 78730, USA. abadir@ibmoto.com

  • Venue:
  • Journal of Electronic Testing: Theory and Applications
  • Year:
  • 1999

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Abstract

Design validation for embedded arrays remains as a challenging problemin today‘s microprocessor design environment. Although several methods for validating embedded arrayshave been proposed, notmuch has beendone to characterize the strengths and weaknesses of these methods.This paper provides a comprehensive study of various design validation approaches adopted at the Somerset PowerPC Design Center in the past, including methodsfrom both formal verification and test generation.Effectiveness of these approaches will be measured based onautomatic design error injection and simulation at both gate and transistor levels. Experience ofusing different validation approaches on recent PowerPC microprocessor arrays will be analyzed and discussed.