You can read HDL files using either the read_verilog / read_vhdl commands or the analyze and elaborate commands. The analyze and elaborate method is highly recommended because it checks syntax before building the design architecture.
This is a comprehensive guide to , tailored for a 2021 context (covering the J-2014.09 through J-2015 through 2020/2021 environments often found in university and corporate servers).
Alternatively, use the GUI:
set_input_transition 0.2 [all_inputs]
The area report breaks down the size of your circuit into combinational area, non-combinational (sequential) area, and total cell area. The units are determined by the foundry's technology library (often square micrometers). 6. Synthesis Best Practices synopsys design compiler tutorial 2021
For over three decades, (often abbreviated as dc_shell ) has remained the gold standard for RTL synthesis. If you are an ASIC or FPGA designer, mastering this tool is non-negotiable. While newer versions (2022, 2023, 2024) have added incremental features like better multicore support and cloud integration, the 2021 release represents a mature, stable, and widely adopted version in many production tape-outs.
To move from "tutorial" to "expert," adopt these 2021-specific practices: You can read HDL files using either the
Before running Design Compiler, you must configure your library paths. Design Compiler reads configuration settings from a file named .synopsys_dc.setup . Create this file in your project working directory. Key Environment Variables
report_timing > timing.rep report_area > area.rep write -format ddc -hierarchy -output final_design.ddc write_verilog -hierarchy -output gate_level.v Use code with caution. 4. Key 2021 Features and Best Practices Alternatively, use the GUI: set_input_transition 0
To run this automated script from your linux command line terminal inside the build/ directory, execute: dc_shell -f ../scripts/run_synth.tcl | tee synthesis.log Use code with caution. 5. Troubleshooting Common Design Violations