spec_param                                         Specifies names of
                                                   library cell parameters.
 [-cost cost_list ]         [show_warning ]
 [-pinpair pin_pair ]       [show_warning ]
 [-pinpairdef default ]
 [-inload input_load ]      [show_warning ]
 [-inloaddef default ]
 [-outload out_load ]       [show_warning ]
 [-outloaddef default ]
 [-maxfanout max_fanout]    [show_warning ]
 [-maxfanoutdef default ]
 [-fanout fanout ]          [show_warning ]
 [-fanoutdef default ]
 [-fanin fanin ]            [show_warning ]
 [-fanindef default ]
 [-maxload max_load ]       [show_warning ]
 [-maxloaddef default ]
 [-risedrive rise_drive ]   [show_warning ]
 [-risedrivedef default ]
 [-falldrive fall_drive ]   [show_warning ]
 [-falldrivedef default ]
 [-riseslew rise_slew ]     [show_warning ]
 [-riseslewdef default ]
 [-fallslew fall_slew ]     [show_warning ]
 [-fallslewdef default ]
 [-capscale cap_scale]
 [-drivescale drive_scale]
 [-slewscale slew_scale]
 [-maxtransition            [show_warning]
     max_trans ]
 [-maxtransitiondef
     default]
 [-power power ]            [show_warning]
 [-blockedtrack             [show_warning]
     blk_track ]
 [-totaltrack               [show_warning]
     total_track ]
 [-modelparam
 model_parameter ]
 [-modelparammin
 model_parameter_min]
 [-modelparammax
 model_parameter_max]
