v6 12 0  dc 0
v5 5 0  dc 5
v3  15 0 pulse(5 0 0 0 0 150m 550m)
v2  16 0 pulse(5 0 0 0 0 48m 96m)
v1  13 0 5
.model u2 d_inverter
.model u2adc adc_bridge(in_low=0.8 in_high=2.0)
.model u2dac dac_bridge(out_low=0.25 out_high=5.0 out_undef=1.8 t_rise=0.5e-9 t_fall=0.5e-9)
.model u3 d_nand
.model u3adc adc_bridge(in_low=0.8 in_high=2.0)
.model u3dac dac_bridge(out_low=0.25 out_high=5.0 out_undef=1.8 t_rise=0.5e-9 t_fall=0.5e-9)
.model u1 d_dff
.model u1adc adc_bridge(in_low=0.8 in_high=2.0)
.model u1dac dac_bridge(out_low=0.25 out_high=5.0 out_undef=1.8 t_rise=0.5e-9 t_fall=0.5e-9)
