The wholechip floorplan is very important before you start the layout. " o' E) J7 _1 ]6 N' [) cThen the position of output pin are fixed for each sub block,and the line drawing will be smooth.) z! o1 @( Y* O: ?) ^- g* @. {" R
Finally,the drc & lvs could be so easy to do . 9 o3 b4 K1 @: d8 U& pBut the floorplan must be verified by designer.The thing of re-layout almost have not be happened.