Device:
gatetype #(.model(process)) Uxxxxx (out, in1, in2, ...);
Paramset:
paramset mname logic;\ {args}\ endparamset
Device:
Uxxxxxxx out in1 in2 ... process gatetype
Model (required):
.model mname LOGIC {args}
Subcircuit definition (optional):
.subckt subname nodes subcircuit description .ends