Synopsys Timing Constraints And Optimization User Guide 2021

The Synopsys Timing Constraints and Optimization User Guide (version 2021) is a primary reference for designers using tools like Design Compiler and Fusion Compiler to define and refine design intent. It focuses on the Synopsys Design Constraints (SDC) format, a Tcl-based standard for specifying timing, power, and area goals. 1. Core Sections of the Guide

• False Paths (set_false_path): Identifies paths that do not require timing analysis (e.g., reset logic, crossing asynchronous domains).
• Multicycle Paths (set_multicycle_path): Specifies paths that are allowed to take more than one clock cycle to settle.
• Min/Max Delays (set_min_delay / set_max_delay): Overrides the default timing checks for specific paths.

Executive Summary

Example Use Case