TC74VHCT541AF(EK,F TC74VHCT541AF(EK.F) TC74VHCT541AF(EKF TC74VHCT541AF(EL) TC74VHCT541AF(ELF) TC74VHCT541AF(EPKF TC74VHCT541AF(EPRF) TC74VHCT541AF(F) TC74VHCT541AF(K,F) TC74VHCT541AF(K.F)