Critical-Cell Optimization - 2024.1 English

Vivado Design Suite User Guide: Implementation (UG904)

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2024.1 English

Critical-Cell Optimization replicates cells in failing paths. If the loads on a specific cell are placed far apart, the cell might be replicated with new drivers placed closer to load clusters. High fanout is not a requirement for this optimization to occur, but the path must fail timing with slack within a percentage of the worst negative slack.