Synopsys Design Compiler Tutorial 2021 Jun 2026

The synthesis flow can be executed in (GUI) or dc_shell (command-line). This tutorial focuses on the scripted approach. Step 1: Analyze and Elaborate

During the link step, Design Compiler resolves references between your modules and connects them to the libraries listed in your link_library variable. The check_design command identifies potential synthesis hazards such as latches, multi-driven nets, or unconnected ports. 4. Defining Design Constraints (SDC)

set_input_transition 0.2 [all_inputs]

Controls how hard the tool works to find the best cell combinations during technology mapping. compile -map_effort high Use code with caution.

However, a tutorial is only the first step. The real skill lies in reading the *.rpt files and deciphering why the compiler made specific choices. Your next steps should be: synopsys design compiler tutorial 2021

It is highly recommended to use ( compile_ultra -topographical ). By using a physical technology library (floorplan information), it offers near-perfect correlation with Place and Route tools (ICC2) regarding timing and area, reducing iterations. 4.2 Power Optimization (Low Power Flow) DC 2021 supports advanced power optimization: Clock Gating: Automatically inserted by compile_ultra .

set_clock_uncertainty -setup 0.2 [get_clocks clk] The synthesis flow can be executed in (GUI)

# Check if all constraints are met check_timing > $report_dir/check_timing.rpt # Look for "unconstrained endpoints" – these are dangerous!

# External device takes 2ns after clock edge to launch data into your input port set_input_delay -max 2.0 -clock sys_clk [remove_from_collection [all_inputs] [get_ports clk]] # External device requires data 1.5ns before the next clock edge at your output port set_output_delay -max 1.5 -clock sys_clk [all_outputs] Use code with caution. Environment Modeling compile -map_effort high Use code with caution