VLSI: XNOR Gate Dataflow Modelling with Testbench

Verilog Code for XNOR gate Dataflow Modelling

module XNORgate(

    input a,

    input b,

    output c

    );

assign c = ~ (a ^ b);

endmodule

//Testbench code for XNOR gate Dataflow Modelling

initial begin

              // Initialize Inputs

              a = 0;b = 0;

              // Wait 100 ns for global reset to finish

              #100 a = 0; b = 1;

              #100 a = 1; b = 0;

              #100 a = 1; b = 1;

 end

Output: