摘自abstract.pdf 402页：
Setting DATABASE MICRONS in the Exported LEF
You can use one of the following methods to set the correct DATABASE MICRONS values in
the LEF file exported from the abstract generator:
Import a technology LEF file to create a technology file
If the imported technology file contains the following statement:
UNITS
DATABASE MICRONS 1000 ;
END UNITS
it will be used by the abstract generator and will be output to LEF created by the abstract
generator. In CDB, DATABASE MICRONS is output to the geometry LEF.
Manually edit the value in the technology file in DFII
The gec3DBUPerUU property stored in the library needs to be changed. To do this,
perform the following steps:
❑ In the DFII Library Manager, select the library for which the gec3DBUPerUU
property needs to be set.
Note: If the library has an has an attached technology library, set the
gec3DBUPerUU property for the technology library and not the design library.
❑ Select Edit – Properties. This will open the Library Property Editor dialog box.
❑ Change the gec3DBUPerUU property to the value you want to set for the DATABASE
MICRONS units in the LEF file.
❑ You will need to re-open the library to force the application to re-read the updated
technology file.
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