A comprehensive fault model for deep submicron digital circuits

Identifies the broad categories of defects which need to be considered in DSM technologies. We show that many of these defects cannot be detected using existing fault models and test approaches, and propose a new fault model for DSM circuits which incorporates logic levels as well as path delay info...

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Hauptverfasser: Abraham, J.A., Krishnamachary, A., Tupuri, R.S.
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creator Abraham, J.A.
Krishnamachary, A.
Tupuri, R.S.
description Identifies the broad categories of defects which need to be considered in DSM technologies. We show that many of these defects cannot be detected using existing fault models and test approaches, and propose a new fault model for DSM circuits which incorporates logic levels as well as path delay information to deal with both functionality and performance. We show that tests derived using this model can be used to effectively screen chips for defects which affect the functionality and performance of the chips, and that the approach reduces the test costs and defect levels when compared with conventional approaches. Experimental results on large benchmark circuits are used to demonstrate the usefulness of the approach.
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Benchmark testing
Circuit faults
Circuit testing
Cost function
Delay
Digital circuits
Electrical fault detection
Fault detection
Logic circuits
Logic testing
title A comprehensive fault model for deep submicron digital circuits
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