Variation-Aware Waveform-Accurate Fault Simulation Considering Crosstalk
Date Issued
2014
Date
2014
Author(s)
Chu, Chieh-Fu
Abstract
Waveform-accurate fault simulator is crucial for advanced technologies. This paper proposes a variation-aware waveform-accurate fault simulator. In our simulator, a signal waveform is represented by a bit sequence. Gate evaluation is performed by bitwise logic operations to process all transitions of a signal simultaneously. Monte Carlo simulation is performed for modeling process variation. The proposed simulator is demonstrated on crosstalk faults. Compared with traditional event-driven simulator, our simulator memorizes all waveforms for every signal so that crosstalk fault simulation can be quickly accomplished. The crosstalk fault activation percentage of our tool is 18% higher than floating mode delay model. Because of process variation, the result of simulation is a statistical fault coverage distribution instead of a deterministic value.
Subjects
process variation
waveform-accurate
fault simulation
crosstalk
Type
thesis
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