Saturday, 17 October 2015

Library Exchange Format (LEF) Files

LEF(Layer Exchange Format)The LEF file provides technology information, such as metal layer and via layer information
and via generate rules. The LEF file contains all the physical information for the design.

GDSII files contains all teh information related to your design.One the design meets all teh constraints for Timing, SI, Power Analysis & DRC & LVS it means that the design is ready for Tape out.This GDSII file is used by FAB.

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