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5.1.6 Supply nets
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The supply0 and supply1 nets can be used to model the power in a circuit. These nets shall have supply strengths.
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supply1 VDD; //all nets are connected to power supply
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supply0 GND; //all nets are connected to ground
Verilog
module constant_inputs;
supply1 VDD;
supply0 GND;
wire out;
// Simple AND gate using supply nets
and u1 (out, VDD, GND); // VDD & GND = 0
initial
$display("out = %b", out);
endmodule
Output
out = 0
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