LEF Filenames

Specifies the LEF files to import. You can type the name manually in the field or Browse for existing files with the .lef extension in the current directory.

View

Specifies the cellview to which a LEF macro will be saved. The default view is abstract but this can be changed so that the LEF macro is saved to another view, such as the layout view.

Technology Reference Library Name

Allows you to specify one or more valid reference technology libraries. The specified referenced technology libraries must be present in the cds.lib file and must be readable.

Overwrite

Enables Abstract Generator to overwrite the current technology file if the LEF file to be imported contains one. This option is off by default. All kinds of LEF files can be imported, ones with both technology and geometry information and also the ones with only technology or only geometry information.

You cannot import a technology LEF file if the default technology file, cdsDefTechLib, is already attached to a cell library. If you attempt to do this, an error message will display.

Library Name

Lets you specify the name of the LEF library that needs to be imported. The library and its associated technology file are loaded into the current abstract session. At this point, the corresponding GDS file, if available, will also be read.

When specifying the library name:

• If a library is already loaded in the current abstract session, then the name of the currently open library is displayed in the Library Name field. Either retain the same library name or specify a different value.
• If you have created a new library, then the name of the newly created library is displayed in the Library Name field. Either retain the same library name or specify a different value.
• If no library is currently loaded in AG, and user wants to create new library using the Import LEF form, then it is mandatory to specify the library name along with the LEF file name. Else an error message is displayed and the Import LEF operation fails.
• When you click OK, Abstract Generator opens the specified library. So, if you specify a library name other than the currently loaded library, then the newly created library is loaded.

Alternatively use option LEFLibraryName.