DECOUPLE: DEFECT CURRENT DETECTION IN DEEP SUBMICRON IDDQ

  • Authors:
  • Yukio Okuda

  • Affiliations:
  • -

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

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Abstract

IDDQ test concept for deep submicron (DSM) devices named DECOUPLE (Defect Current Observation Under the Proportion of intrinsic Leakage currents) is proposed.A new clustering method obtained two defect free groups from a production data set by abstracting from a signatureof intrinsic leakage current that is independent of processvariations. Possible pass/fail tests, diagnosis, and detection ofparametric defect currents are discussed on the data set. Anotherexample of the pass/fail tests on a second product ispresented.