6n137高速隔离光藕
TheSN74LS245isanOctalBusTransmitter/Receiverdesignedfor
8-lineasynchronous2-waydatacommunicationbetweendatabuses.
DirectionInput(DR)controlstransmissionofDatafrombusAtobus
BorbusBtobusAdependinguponitslogiclevel.TheEnableinput
(E)canbeusedtoisolatethebu
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