Transition-fault test generation
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After an integrated circuit is manufactured, it must be tested to insure that it is not defective. Specifically, timing defects are becoming increasingly important to detect because of the decreasing process geometries and increasing clock rates. One way to detect these timing defects is to apply test patterns to the integrated circuit that are generated using the transition-fault model. Unfortunately, industry's current transition-fault test generation schemes produce test sets that are too large to store in the memory of the tester. The proposed methods of test generation utilize stuck-at-fault tests to create transition-fault test sets of a smaller size. Greedy algorithms are used in the generation of both the stuck-at-fault and transition-fault tests. In addition, various methods of test set compaction are explored to further reduce the size of the test sets. This research demonstrates an effective way to generate compact transition-fault test sets for a benchmark circuit and holds great promise for application to large commercial circuits.
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Includes bibliographical references (leaf 18).
Cobb, Bradley Douglas (2001). Transition-fault test generation. Texas A&M University. Available electronically from