7 use ieee.std_logic_1164.all;
12 PAR_IN :in std_logic_vector(3 downto 0);
13 PAR_OUT :out std_logic
17 architecture PARITY_4_DESIGN of PARITY_4 is
21 PAR_OUT <= PAR_IN(3) xor PAR_IN(2) xor PAR_IN(1) xor PAR_IN(0) ;
23 end architecture PARITY_4_DESIGN;