entity <> is end; architecture bench of <> is component <> <> end component; signal <>; begin <> <= '0', '1' after 20 ns; <> <= '0', '1' after 10ns; <> <= '0', '1' after 5 ns; <> <= '0', '1' after 20 ns, '0' after 30 ns; <> <= '0', '1' after 10 ns, '0' after 20 ns; <> <= '0', '1' after 15 ns, '1' after 25 ns; m: <> port map (INSERT IN/OUT PORT NAMES); end bench;