Resistive-open defect injection in SRAM core-cell: analysis and comparison between 0.13 μm and 90 nm technologies

  • Authors:
  • L. Dilillo;P. Girard;S. Pravossoudovitch;A. Virazel;M. Bastian

  • Affiliations:
  • Université de Montpellier II, Montpellier, France;Université de Montpellier II, Montpellier, France;Université de Montpellier II, Montpellier, France;Université de Montpellier II, Montpellier, France;Infineon Technologies France, Sophia-Antipolis, France

  • Venue:
  • Proceedings of the 42nd annual Design Automation Conference
  • Year:
  • 2005

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Abstract

Resistive-open defects appear more and more frequently in VDSM technologies. In this paper we present a study concerning resistive-open defects in the core-cell of SRAM memories. The first target of this work is a comparison of the effect produced by resistive-open defects in the 0.13 μm and 90 nm core-cell. We show that the 90 nm core-cell is more robust than the 0.13 μm core-cell in presence of resistive-open defects. On the other hand we show that dynamic faults are most likely to occur in the 90 nm than in 0.13 μm core-cell. Finally we propose a unique March test solution that ensures the complete coverage of all the extracted fault models for both technologies.