Prediction of Analog Performance Parameters Using Oscillation Based Test

  • Authors:
  • Ashwin Raghunathan;Hong Joong Shin;Jacob A. Abraham;Abhijit Chatterjee

  • Affiliations:
  • -;-;-;-

  • Venue:
  • VTS '04 Proceedings of the 22nd IEEE VLSI Test Symposium
  • Year:
  • 2004

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Abstract

Oscillation Based Test (OBT) is a low-cost and vectorlesstest technique for analog and mixed-signal integratedcircuits. Previous research with OBT has focussed primarilyon structural issues with an emphasis on fault detectionrather than determining the conformance of the Circuit UnderTest (CUT) with its specifications, or evaluation of CUTperformance. This paper presents a novel methodology forefficient interpretation of OBT results. The proposed PredictiveOscillation Based Test (POBT) methodology uses adaptiveregression models to predict the performance parametersof the CUT from the oscillation measurements. Simulationresults indicate that, under parametric variations, thismethodology can determine CUT performance parameters,resulting in enhanced test effectiveness.