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What is Pessimism in VLSI Timing Analysis about?

The document discusses balancing pessimism and optimism in timing analysis for VLSI chip design. A little pessimism is helpful to account for variability, but too much can increase effort and negatively impact other parameters. Timing engineers add pessimism through derates applied to clock paths. Adjusting for "common path pessimism" removes unnecessary pessimism that does not accurately model delays. Finding the right balance of pessimism is important for successful chip design and performance.

Author

RAZ

Language

EN