Modeling and Testing for Timing Faults in Synchronous Sequential Circuits
- 1 November 1984
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Design & Test of Computers
- Vol. 1 (4) , 62-74
- https://doi.org/10.1109/MDT.1984.5005692
Abstract
Even with proper design, integrated circuits and systems can have timing problems because of physical faults or variation of parameters. The authors introduce a fault model that takes into account timing related failures in both the combinational logic and the storage elements. Using their fault model and the system's requirements for proper operation, the authors propose ways to handle flipflop-to-flipflop delay, path selection, initialization, error propagation, race-around, and anomalous behavior. They discuss the advantages of scan designs like LSSD and the effectiveness of random delay testing.Keywords
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