pin ("HIZIBI")    {
     direction : output ;
     clock : true ;
     related_power_pin : VDD ;
     related_ground_pin : VSS ;
     timing () {
       cell_fall (into_f1) {
         index_1("1,2,3,4,5") ;
         index_2("1,2,3,4,5") ;
         values("13, 13, 14, 16, 18",\
                "13, 14, 15, 16, 19",\
                "14, 15, 16, 17, 20",\
                "15, 15, 16, 18, 20",\
                "15, 16, 17, 18, 21") ;
       }
     }