clock tau2015_clk 50 50
at tau2015_clk 0 25 0 25
at inp1 0 0 5 5
at inp2 0 0 1 1
slew inp1 10 15 20 25
slew inp2 30 30 40 40
slew tau2015_clk 10 15 10 15
load out 4
rat out 10 10 20 20