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| 静的タイミング解析× | モンテカルロ・プロセス変動解析× | |
|---|---|---|
| 分野 | 電気工学 | 電気工学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1995 | 2003 |
| 提唱者≠ | Harish Bhatnagar | George S. Fishman, Sani R. Nassif |
| 種類≠ | Non-simulation timing verification for digital circuits | Probabilistic modeling of semiconductor manufacturing variability |
| 原典≠ | Bhatnagar, H., & Bhatnagar, R. (1995). Static timing analysis: A primer. In VLSI Handbook (pp. 1-25). CRC Press. link ↗ | Fishman, G. S. (1996). Monte Carlo: Concepts, Algorithms, and Applications. Springer-Verlag. DOI ↗ |
| 別名 | STA, Timing verification, Path-based timing | Monte Carlo simulation, Process variation analysis, PVT analysis |
| 関連 | 3 | 3 |
| 概要≠ | Static Timing Analysis (STA) is a non-simulation method for verifying that digital circuits meet timing constraints (clock frequencies, setup/hold times, propagation delays). Introduced systematically by Bhatnagar et al. in the 1990s, STA computes worst-case and best-case path delays by analyzing logic paths without simulating vectors. STA is essential for modern VLSI design, enabling fast timing closure before silicon and identifying critical paths for optimization. | Monte Carlo Process Variation analysis quantifies the impact of manufacturing uncertainties on circuit performance using statistical sampling. As semiconductor technology scales, process variations (gate length, oxide thickness, dopant fluctuations) create significant uncertainties in delay, power, and leakage. Monte Carlo methods sample the random variation space, enabling statistical characterization of yield, timing margins, and reliability. Essential for modern technology nodes. |
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