TheSN74LS245isanOctalBusTransmitter/Receiverdesignedfor 8-lineasynchronous2-waydatacommunicationbetweendatabuses. DirectionInput(DR)controlstransmissionofDatafrombusAtobus BorbusBtobusAdependinguponitslogiclevel.TheEnableinput (E)canbeusedtoisolatethebu