What's footprint?
Footprint is a attribute of library cells. It's provide by by vendors.
See following library cell information (log of report_lib):
What's footprint?
Footprint is a attribute of library cells. It's provide by by vendors.
See following library cell information (log of report_lib):
Cell Footprint Vth group Attributes
————————————————————
ADDFCINX1HXP "addfcinx1" r, udp
ADDFCINX2HXP "addfcinx2" r, udp
ADDFCINX4HXP "addfcinx4" r, udp
ADDFCINX05HXP "addfcinx05" r, udp
Footprint Optimization
Footprint optimization is special size method, cells only can be sized to other cells with the same footprint.