LEF/DEF input and output module for LibrEDA.
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Thomas Kramer 64cc278a77 Start work on conversion functions. 2 months ago
src Start work on conversion functions. 2 months ago
tests Examples in docs. 2 months ago
.gitignore Initial commit. 8 months ago
Cargo.toml Read DEF PROPERTYDEFINITIONS. 8 months ago
LICENCE Initial commit. 8 months ago
README.md Note about test data licence. 2 months ago


LEF/DEF parser and writer

Work in progress

LEF (Library Exchange Format) and DEF (Design Exchange Format) are industry standard file formats for describing standard cell libraries, technology data (LEF) and whole designs including layout and netlists (DEF).

This crate provides input and output functions for this formats including datastructures for their representation.


LEF/DEF: http://www.ispd.cc/contests/18/lefdefref.pdf


  • The program code is licenced under AGPLv3
  • Some test data from FreePDK45 and Sky130 is licenced under Apache 2.0