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* Subcircuit half_sub
.subckt half_sub net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_
* /home/bhargav/downloads/esim-1.1.2/src/subcircuitlibrary/half_sub/half_sub.cir
* u3 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ d_xor
* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
* u4 net-_u1-pad2_ net-_u2-pad2_ net-_u1-pad4_ d_and
a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u1-pad3_ u3
a2 net-_u1-pad1_ net-_u2-pad2_ u2
a3 [net-_u1-pad2_ net-_u2-pad2_ ] net-_u1-pad4_ u4
* Schematic Name: d_xor, NgSpice Name: d_xor
.model u3 d_xor(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
* Schematic Name: d_inverter, NgSpice Name: d_inverter
.model u2 d_inverter(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
* Schematic Name: d_and, NgSpice Name: d_and
.model u4 d_and(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
* Control Statements
.ends half_sub
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