The invention is directed towards methods and apparatus for defining {HEAD ~ Manhattan power grid structures} having {TAIL ~ a reduced number} of vias for use in an integrated circuit 
having
The invention is directed towards methods and apparatus for defining { HEAD ~ Manhattan power grid structures } having { TAIL ~ a reduced number } of vias for use in an integrated circuit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH