A novel built-in current sensor for I/sub DDQ/ testing of deep submicron CMOS ICs

  • Authors:
  • S. P. Athan;D. L. Landis;S. A. Al-Arian

  • Affiliations:
  • -;-;-

  • Venue:
  • VTS '96 Proceedings of the 14th IEEE VLSI Test Symposium
  • Year:
  • 1996

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Abstract

Today's built-in current sensor (BICS) techniques provide I/sub DDQ/ current sensitivity which is adequate for testing and diagnosing near-micron CMOS ICs. However, faulty and fault-free I/sub DDQ/ can become indiscernible at deep submicron levels. This paper describes a novel BICS methodology which improves fault detectability and diagnosability in ULSI CMOS ICs.