* /home/bhargav/esim-workspace/d_pullup_pulldown_characteristics/d_pullup_pulldown_characteristics.cir

* u2  /1 d_pulldown
* u3  /1 net-_u1-pad1_ net-_u3-pad3_ d_and
* u4  net-_u3-pad3_ o dac_bridge_1
* u5  o plot_v1
* u1  net-_u1-pad1_ d_pullup
a1 /1 u2
a2 [/1 net-_u1-pad1_ ] net-_u3-pad3_ u3
a3 [net-_u3-pad3_ ] [o ] u4
a4 net-_u1-pad1_ u1
* Schematic Name: d_pulldown, NgSpice Name: d_pulldown
.model u2 d_pulldown(load=1.0e-12 ) 
* Schematic Name: d_and, NgSpice Name: d_and
.model u3 d_and(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 ) 
* Schematic Name: dac_bridge_1, NgSpice Name: dac_bridge
.model u4 dac_bridge(out_undef=0.5 out_low=0.0 out_high=5.0 t_rise=1.0e-9 t_fall=1.0e-9 input_load=1.0e-12 ) 
* Schematic Name: d_pullup, NgSpice Name: d_pullup
.model u1 d_pullup(load=1.0e-12 ) 
.tran 1e-06 10e-06 0e-00

* Control Statements 
.control
run
print allv > plot_data_v.txt
print alli > plot_data_i.txt
plot v(o)
.endc
.end