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A Simple Statistical Timing Analysis Flow and its Application to Timing Margin Evaluation
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A Simple Statistical Timing Analysis Flow and its Application to Timing Margin Evaluation

Vincent Migairou, Robin Wilson, Sylvain Engels, Zeqin Wu, Nadine Azemard et Philippe Maurine
17th International Conference on Integrated Circuit and System Design: power and timing modeling, optimization and simulation, Vol.LNCS(4644), pp.138-147
PATMOS: Power And Timing Modeling, Optimization and Simulation (Gothenburg, Sweden, 03/09/2007–05/09/2007)
03/09/2007
DOI: https://doi.org/10.1007/978-3-540-74442-9_14

Résumé

Delay distribution Path delay Timing margin Design margin Corner analysis
The increase of within-die variations and design margins is creating a need for statistical design methods. This paper proposes a simple statistical timing analysis method considering the lot to lot process shifts occurring during production. This method is first validated for 90nm and 65nm processes. Finally, this statistical timing analysis is applied on basic ring oscillators to evaluate the timing margins introduced at the design level by the traditional corner based approach.

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