alternates anchor arc at bezier bold bottom center circle clock clock_low datasheet effects end end_angle extends falling_edge fill filled font footprint hide in inout input_low inverted inverted_clk italic justify keywords left length line model no non_logic none open_collector open_emitter out pad pads part passive pin pin_del pin_merge pin_rename pin_renum pin_swap polyline pos power_in power_out property property_del pts radius rectangle reference right route_alt_swap route_pin_swap signal signals size start start_angle stroke text top transparent tristate unconnected units unspecified value visible xy yes