m5 inv_S S Vdd Vdd pmos w=400nm l=65nm m6 inv_S S 0 0 nmos w=100nm l=65nm * --- Transmission Gate for Input B (Passes when S=0) --- m1 B inv_S Vout Vdd pmos w=400nm l=65nm ; PMOS gets S (on when 0) m2 ...

S: in std_logic; -- Control Bit (0 - A, 1 - B) A: in std_logic_vector(N - 1 downto 0); -- Data Bus B: in std_logic_vector(N - 1 downto 0); -- Data Bus O : out std_logic_vector(N-1 downto 0) ...