not_gate.vhd

这是一些经典的vhdl example

LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;
ENTITY not_gate IS
PORT(
		a		: IN	STD_LOGIC;
		y	    : OUT	STD_LOGIC);
END not_gate;
ARCHITECTURE behavier OF not_gate IS
BEGIN
	y<=NOT a;
END behavier;