//2024-1-2  姜青羊
//8位反相器(输入输出端口那里加上位宽即可)

`timescale 1ns/10ps
module inv_8bits (
                        A,
                        Y
                    );

input[7:0]              A;
output[7:0]             Y;

assign                  Y=~A;
    
endmodule


//---------testbench------------

module tb_inv_8bits ();

reg[7:0]                 a;
wire[7:0]                y;

initial begin
                         a=0000_0000;
            #10          a=0000_0001;
            #10          a=0000_0010;
            #10          a=0000_0011;
            #10          a=0000_0100;
            #10          a=0000_0101;
            #10          a=0000_0110;
            #10          a=0000_0111;
            #10          a=0000_1000;
            #10          a=0000_1001;
            #10          a=0000_1010;
            $stop;
end

inv_8bits u_inv_8bits (
                        .A(a),
                        .Y(y)
                    );
    
endmodule