NCA8245-Q1 八进制缓冲器和线路驱动器具有三态输出 TSSOP20 深圳恒锐丰科技.pdf
NCA8245
OctalBuffersandLineDrivers
With3-StateOutputs
Datasheet(EN)1.1
NCA8245isanoctalbuffer/driverusedforimprovingdriverMotordriver
abilityofbus-orientedreceiversandtransmitters,clockTractioninverter
driversetc.andensuringtheaccuracyofsignaltiming.The
deviceprovidesadirection-control(DIR)inputforI/Omodules
transmittingdatabidirectionally.WhenDIRislogichigh,itLEDdisplays
transmitsdatafromAtoB,andfromBtoAwhenDIRislogic
low.When/OEishigh,theoutputsareinthehigh-
impedancestate.Duringpowerupandpowerdown,/OE
shouldbetiedtoVCCthroughapull-upresistortoensure
thehighimpedancestate.
NCA8245cantolerateupto5.5Vinputvoltageandeach
channelsupportsmaximum24mAcurrentdrive.All
unusedinputsmustbeheldatVCCorGNDtoprevent
excesssupplycurrent.
DIR120VCC
A1219/OE
QualifiedforAutomotiveapplications:
A2318B1
NCA8245-Q1TSTR
InputsareTTLcompatibleA3417B2
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