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Design Exchange Format

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This is an old revision of this page, as edited by 216.228.112.21 (talk) at 20:32, 11 May 2010 (DEF (and LEF) is a very prevalent standard used by integrated circuit design engineers). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Design Exchange Format (DEF) is an open specification for representing physical layout of an integrated circuit in an ASCII format. It represents the netlist and circuit layout. DEF is used in conjunction with Library Exchange Format (LEF) to represent complete physical layout of an integrated circuit while it is being designed.

DEF was developed by Cadence Design Systems.

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