NCR: A self-scaling, self-calibrated metric for I-DDQ outlier identification
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abstract
IDDQtesting is an important component of a test suite. However, increasing leakage current values with each technology node render single pass/fail limit setting approach obsolete. This is further worsened due to increasing process variations and discriminating faulty and fault-free chips is becoming increasingly difficult. In this paper we evaluate a metric that uses wafer-level spatial information to identify faulty dice on a wafer. The metric is evaluated using industrial test data.
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The 2002 45th Midwest Symposium on Circuits and Systems, 2002. MWSCAS-2002.