The Realization-Independent Testing Based on the Black Box Fault Models

  • Authors:
  • Eduardas Bareiš/a;Vacius Jusas;Kę/stutis Motiejū/nas;Rimantas Š/einauskas

  • Affiliations:
  • Software Engineering Department, Kaunas University of Technology, Studentuogon/ 50-406, LT-51368 Kaunas, Lithuania, e-mail: kestas@soften.ktu.lt;Software Engineering Department, Kaunas University of Technology, Studentuogon/ 50-406, LT-51368 Kaunas, Lithuania, e-mail: kestas@soften.ktu.lt;Software Engineering Department, Kaunas University of Technology, Studentuogon/ 50-406, LT-51368 Kaunas, Lithuania, e-mail: kestas@soften.ktu.lt;Software Engineering Department, Kaunas University of Technology, Studentuogon/ 50-406, LT-51368 Kaunas, Lithuania, e-mail: kestas@soften.ktu.lt

  • Venue:
  • Informatica
  • Year:
  • 2005

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Abstract

The design complexity of systems on a chip drives the need to reuse legacy or intellectual property cores, whose gate-level implementation details are unavailable. In this paper we consider the realization-independent testing and the impact of circuit realization on the fault coverage. We investigated two fault models (input-output pin pair fault and input-input-output pin triplet fault) that are used by test generation for circuits described at system description level. The test generation on the system-level model is preferable if the efforts and the duration of the test supplement activities are less than the efforts and the duration of the test generation on gate-level model. The test set for the black-box model is larger as compared to the test set for the particular realization of the circuit. However, large test sets for the black-box model can be compacted by analysis not only according to the stuck-at faults, but also according to various defects for the particular realization.