Current signatures [VLSI circuit testing]

  • Authors:
  • A. E. Gattiker;W. Maly

  • Affiliations:
  • -;-

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

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Abstract

In this paper we demonstrate that performing I/sub DDQ/ testing against a single threshold current value does not make sense. In place of the single current threshold we propose the "current signature". A die's current signature takes into account the relative measured level of current on all applied I/sub DDQ/ vectors. Preliminary results of current signature applications are discussed as well.