Comparing Functional and Structural Tests

  • Authors:
  • Peter Maxwell;Ismed Hartanto;Lee Bentz

  • Affiliations:
  • -;-;-

  • Venue:
  • ITC '00 Proceedings of the 2000 IEEE International Test Conference
  • Year:
  • 2000

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Abstract

This paper describes an experimental study tounderstand issues and requirements forstructural-based testing using low cost testers,compared to functional-based testing using expensivetesters. Several studies have been directed at theeffectiveness of various test methods, but noneexplicitly addressed issues involved in attempting toreplace functional vectors with scan vectors and nonecarried the experiment further by placing defectivechips into systems and running system tests. This paperdescribes the results of such an experiment and offersinsight into necessary requirements for reduction orelimination of functional tests.