The wholechip floorplan is very important before you start the layout. # ]! `5 F3 T { O/ hThen the position of output pin are fixed for each sub block,and the line drawing will be smooth. 5 Q; G$ r% W, I: x3 q- mFinally,the drc & lvs could be so easy to do . 7 U3 \$ i8 W9 R. V. TBut the floorplan must be verified by designer.The thing of re-layout almost have not be happened.