TC74AC540P(F),
TC74AC541F(EL,F),IC BUFFER NON-INVERT 5.5V 20SOP
TC74AC541F(F),
TC74AC541P(F),
TC74AC573F(F),
TC74AC573FW,IC LATCH OCT D-TYPE 3-ST 20-SOL
TC74AC573FW(ELP),IC LATCH OCT D-TYPE 3-ST 20-SOL
TC74AC573FW-ELP,IC LATCH OCT D-TYPE 3-ST 20-SOL