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International Test Conference 2002 (ITC'02)
Neighbor Selection for Variance Reduction in IDDQ and Other Parametric Data
Baltimore, MD, USA
October 07-October 10
ISBN: 0-7803-7543-2
W. Robert Daasch, Portland State University
Kevin Cota, Portland State University
James McNames, Portland State University
Robert Madge, LSI Logic Corporation
The subject of this paper is variance reduction and Nearest Neighbor Residual estimates for IDDQ and other continuous-valued test measurements. The key, new concept introduced is data-driven neighborhood identification about a die to reduce the variance of good and faulty IDDQ distributions. Using LSI Logic production data, neighborhood selection techniques are demonstrated. The main contribution of the paper is variance reduction by the systematic use of the die location and wafer-or lot-level patterns and improved identification of die outliers of continuous-valued test data such as IDDQ.
Citation:
W. Robert Daasch, Kevin Cota, James McNames, Robert Madge, "Neighbor Selection for Variance Reduction in IDDQ and Other Parametric Data," itc, pp.1240, International Test Conference 2002 (ITC'02), 2002
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