第4章 串入-并出8位移位寄存器-74hc595.pdf
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SN54HC595,SN74HC595
SCLS041I–DECEMBER1982–REVISEDSEPTEMBER2015
SNx4HC5958-BitShiftRegistersWith3-StateOutputRegisters
1Features3Description
TheSNx4HC595devicescontainan8-bit,serial-in,
1•8-BitSerial-In,Parallel-OutShift
parallel-outshiftregisterthatfeedsan8-bitD-type
•WideOperatingVoltageRangeof2Vto6V
storageregister.Thestorageregisterhasparallel3-
•High-Current3-StateOutputsCanDriveUpto15stateoutputs.Separateclocksareprovidedforboth
LSTTLLoadstheshiftandstorageregister.Theshiftregisterhasa
•LowPowerConsumption:80-μA(Maximum)ICC