| <pb_type xmlns:xi="http://www.w3.org/2001/XInclude" name="ADDER" num_pb="1"> |
| <blif_model>.subckt adder</blif_model> |
| <input name="a" num_pins="1"/> |
| <input name="b" num_pins="1"/> |
| <input name="cin" num_pins="1"/> |
| <output name="cout" num_pins="1"/> |
| <output name="sum" num_pins="1"/> |
| <delay_constant max="300e-12" in_port="a" out_port="cout"/> |
| <delay_constant max="300e-12" in_port="b" out_port="cout"/> |
| <delay_constant max="10e-12" in_port="cin" out_port="cout"/> |
| <delay_constant max="300e-12" in_port="a" out_port="sum"/> |
| <delay_constant max="300e-12" in_port="b" out_port="sum"/> |
| <delay_constant max="300e-12" in_port="cin" out_port="sum"/> |
| <T_setup clock="clk" port="a" value="10e-12"/> |
| <T_clock_to_Q clock="clk" max="10e-12" port="cout"/> |
| </pb_type> |