library ieee; use ieee.numeric_bit.all; entity or23 is port ( a_i : in bit_vector (22 downto 0); b_i : in bit_vector (22 downto 0); c_o : out bit_vector (22 downto 0) ); end entity or23; architecture rtl of or23 is begin c_o <= a_i or b_i; end architecture rtl;