代码如下
//2021-11-1 //反相器 `timescale 1ns/10ps module inv(A,Y); output Y; input A; assign Y=~A; endmodule //----testbench of inv------ module inv_tb; reg aa; wire yy; inv inv(.A(aa),.Y(yy)); initial begin aa=0; #10 aa=1; #10 aa=0; #10 aa=1; #10 $stop; end endmodule
仿真结果如下