An enhanced gate-level glitch model for logic simulation is presented. This new approach can be used to enhance logic simulation accuracy and power estimation at little additional computation costs. The simulation algorithm is compatible with common event driven simulation models for glitch-free cases. Only if a possible glitch is detected the simulation is modified by our model. The model is based on common timing characterization data and a few additional constant values. The features of the model are enhanced scheduling of glitch events and predic-tion of glitch peak voltages, which are essential for precise power estimation.
01 / 1996
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