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Lef/Def Exchange Format
Downloads:   14167 License: (View) Start Date: 2003-12-04
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Functional Description:

Lef/Def Exchange Format: reference documentation plus reader/writer source.

Cadence LEF/DEF Exchange Format:

Distributions:

  • LEF/DEF Reference
  • LEF/DEF Parsers:
    • LEF reader/writer parsers (source)
    • DEF reader/writer parsers (source)

Downloads are Organized by:

LEF/DEF Format Specification
  • LEF/DEF Specification Releases in PDF format
  • No license approval required for download as the document contains the copyright.
LEF/DEF Toolkit
Toolkit dated release names (like lefdef5.6_110904 ) reflect releases with changes to parsers not to the specification.
  • Parser API Documentation
  • LEF reader/writer parsers (source)
  • DEF reader/writer parsers (source)

The LefDef License V2.1 January 17, 2003 (signed or click-through) is required for all LEF/DEF Toolkit downloads.

NOTE: The LEF/DEF parser libraries are used by the OpenAccess lef2oa, def2oa, oa2lef, oa2def translators.


Latest File Releases
Package Latest Version Date Notes / Monitor View
LEF DEF Format Specification5.7 p039 November 23, 2009 Release Notes - Monitor this package View
LEF/DEF Toolkitlefdef05.7-s041 January 21, 2011 Release Notes - Monitor this package View
 

 
Latest News
New Lef/Def Toolkit lefdef05.7-s041 Posted   Si2 Admin - 2011-01-21 13:28   [Lef/Def Exchange Format]
This lefdef kit s041 has a fix reported by OA. Added the missing directory doc under lef and def directories with the documentation on the lef and def APIs.
LEF/DEF 5.7_s039 Toolkits posted   Si2 Admin - 2010-10-18 13:23   [Lef/Def Exchange Format]
The lefdef05.7-s039 release of the LEF/DEF toolkits has been posted
lefdef05.70-s038 toolkits (Used by OpenAccess oa22.04p059)    Si2 Admin - 2010-05-04 13:34   [Lef/Def Exchange Format]
The lefdef05.70-s038 release of the LEF/DEF toolkits was posted 2010-04-23. lefdef05.70-s038 is used by the 2010-05-04 OpenAccess release oa22.04p059.
lefdef05.70-s033 toolkits (Used by OpenAccess oa22.04p054)    Si2 Admin - 2010-02-05 08:40   [Lef/Def Exchange Format]
The lefdef05.70-s033 release of the LEF/DEF toolkits was posted on 02-05-2010. lefdef05.70-s033 is used by the OpenAccess release oa22.04p054.
LEF/DEF 5.7 p039 Specification   Si2 Admin - 2009-11-23 14:19   [Lef/Def Exchange Format]
LEF/DEF 5.7 p039 Specification posted.
LefDef 5.7-p007 Toolkits posted    Si2 Admin - 2009-11-09 09:18   [Lef/Def Exchange Format]
The Lef/Def 5.7 toolkits have been updated with release 5.7-p007. This release contains some fixes for errors in previous tool kits.
LefDef 5.7-p006 Toolkits posted   Si2 Admin - 2009-08-04 13:44   [Lef/Def Exchange Format]
The Lef/Def 5.7 toolkits have been updated with release 5.7-p006. This release replaces P005 fixing build problems. OpenAccess documentation lists the P005 release as lefdef 05.70-s031. Use P006 instead.
LefDef 5.7-p005 Toolkits posted    Si2 Admin - 2008-11-19 08:58   [Lef/Def Exchange Format]
The Lef/Def 5.7 toolkits have been updated with release 5.7-p005. OpenAccess documentation lists this release as lefdef 05.70-s031.
LefDef 5.7-p004 Toolkits posted    Si2 Admin - 2008-04-24 10:52   [Lef/Def Exchange Format]
The Lef/Def 5.7 toolkits have been updated with release 5.7-p004.
LefDef 5.7 Enhancents to 5.6 Posted   Si2 Admin - 2007-06-20 15:52   [Lef/Def Exchange Format]
The LEF/DEF 5.7 ver 1.4.2 Enhancements to the LEF/DEF 5.6 specification has been posted.
  • LefDef 5.7-s001 Toolkits posted   2007-04-13 08:31
  • Lef/Def 5.6 11-09-04 Release   2004-11-09 16:01
  • Lef/Def 5.6 10-28-04 Release available   2004-11-02 14:07
  • Lef/Def 5.6 Posted   2004-07-09 16:13
  • Lef/Def 5.5.1 Posted   2004-05-05 09:21
.....
 



 
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