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Virtuoso Variety 

Process Validation and Modeling

Virtuoso Variety enables fast, accurate general purpose process variation characterization to generate library models for Statistical Static Timing Analysis (SSTA).

Virtuoso Variety Datasheet »

Virtuoso Variety is an ultra-fast standard cell characterizer of process variation aware timing models. Virtuoso Variety generates libraries that can be used with multiple statistical static timing analyzers (SSTA) without requiring re-characterization for each unique format.

  • Virtuoso Variety creates variation aware timing models that account for both systematic process variations (e.g. variations due to lithography) and random process variations for any set of correlated or uncorrelated process parameters (e.g. variations due to doping fluctuations between transistors).
  • Virtuoso Variety libraries can be used to model both local (within cell and within die) variations and global die to die variations.
  • Virtuoso Variety enables statistical static timing analysis (SSTA) to provide a more realistic estimation of timing relative to actual silicon performance which often reduces worst-case timing margins by 10-15%, resulting in a higher yielding design that can be taped out sooner.