Variation-Aware Custom IC Design
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چکیده
Variation has become a critical concern in modern process geometries; managing it properly is key in designing custom circuits with competitive performance, power, and area. This paper describes how a flow using design-specific corners manages variation issues in a unified fashion. To enable corner-based design, the key ingredients are corner extraction and design verification tools. This paper describes such tools for PVT, 3-sigma Monte Carlo, and highsigma design; and how appropriate technology can make these tools fast, accurate, and scalable. Finally, as an example, this paper focuses on high-sigma problems, showcasing High-Sigma Monte Carlo (HSMC) which analyzes billions of Monte Carlo samples in minutes, with SPICE accuracy.
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