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LASI TLC

LASI (Layout System for Individuals) uses the TLC (Transfer Layout from Cell) format for exchanging layout data. LASI is a free IC layout editor for educational and hobbyist use.

Format Summary

PropertyValue
Extensions.tlc
EncodingASCII
Import✓
Export✓
LicenseBasic

Import Options

OptionDescriptionDefault
UnitsInput coordinate unitsMicron

Export Options

OptionDescriptionDefault
UnitsOutput coordinate unitsMicron

Common Workflows

GDSII → TLC

Export professional layouts for viewing or editing in LASI.

TLC → GDSII

Convert LASI designs to GDSII for professional fabrication.

Technical Notes

  • TLC is a simple text-based format with polygon and cell hierarchy support
  • No additional license required beyond the Basic bundle

CLI / Command-File Options

These option keys can be used on the command line or in command files.

Export

KeyTypeDescription
TlcOutUserUnitsintUser units
TlcOutFlattenflagFlatten hierarchy