Intel® Quartus® Prime Standard Edition User Guide: Design Optimization

ID 683230
Date 11/12/2018
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3.2. Critical Paths

Critical paths are timing paths in your design that have a negative slack. These timing paths can span from device I/Os to internal registers, registers to registers, or from registers to device I/Os.

The slack of a path determines its criticality; slack appears in the timing analysis report, which you can generate using the Timing Analyzer.

Design analysis for timing closure is a fundamental requirement for optimal performance in highly complex designs. The analytical capability of the Chip Planner helps you close timing on complex designs.