Synopsys Design Compiler Tutorial 2021 File

# 4. Constraints create_clock -name clk -period 5 [get_ports clk] set_input_delay -max 1 -clock clk [all_inputs] set_output_delay -max 1 -clock clk [all_outputs] set_load 0.1 [all_outputs] set_max_area 0

: Defines the directories where Design Compiler looks for source files, design libraries, and script files.

compile_ultra is license-intensive but yields significantly better timing results (typically 10-15% improvement over standard compile). synopsys design compiler tutorial 2021

Logic synthesis is not just a translation process. It is an optimization problem governed by mathematical constraints. Understanding how Design Compiler views your design is critical to achieving timing closure. The Three Phases of Synthesis

Before starting DC, you must set up the environment correctly. The configuration is largely controlled by a file named .synopsys_dc.setup in your working directory. This hidden file tells DC where to find all the necessary design data and libraries. The key libraries you need to define are: Logic synthesis is not just a translation process

Calculated as Data Required Time - Data Arrival Time . A positive value (e.g., 0.65 ) means the design meets timing. A negative value indicates a timing violation that must be resolved. 7. Advanced Optimization Techniques

To advance your project configuration, would you like to explore strategies using UPF, or do you need assistance tailoring this flow to a specific foundry technology node ? Share public link The Three Phases of Synthesis Before starting DC,

If you are using , you can generate "physical guidance" data (like placement congestion estimates) before handing off to the router. This requires the physical libraries (LEF files) to be loaded during setup.

# 2. Define Design Library define_design_lib WORK -path ./WORK

The internal workflow of DC is broken down into three main stages: