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特性
产品
描述
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8
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R
RE
DE
D
V
CC
B
一个
地
d 或者 p pACKAGE
(t运算 视图)
逻辑图解 (积极的 逻辑)
D
一个
DE
RE
R
B
Host
SN65HVD08
电源 总线 和 返回 阻抗
分开
屏障
偏远的
(一个 的 n 显示)
5 v 电源
直接
连接
至 host
5 v 返回
sn75hvd08,sn65hvd08
SLLS550A–NOVEMBER2002–REVISEDMAY2003
widesupplyrangers-485transceiver
Thewidesupplyvoltagerangeandlowquiescent
currentrequirementsallowtheSN65HVD08sto
•
operateswitha3-vto5.5-vsupply
operatefroma5-vpowerbusinthecablewithas
•
ConsumesLessThan90mWQuiescent
muchasa2-vlinevoltagedrop.busingpowerinthe
电源
cablecanalleviatetheneedforisolatedpowertobe
generatedateachconnectionofaground-分开的
•
打开-电路,shortcircuit,andidle-总线
总线.
FailsafeReceiver
•
1/8
th
单位-加载(upto256nodesonthebus)
Thedriverdifferentialoutputsandreceiverdifferential
inputsconnectinternallytoformadifferentialin-
•
总线-pinesdprotectionexceeds16kvhbm
放/输出(i/o)busportthatisdesignedtooffer
•
driveroutputvoltageslew-ratelimitedfor
minimumloadingtothebuswheneverthedriveris
OptimumSignalQualityat10Mbps
disabledornotpowered.thedriversandreceivers
•
electricallycompatiblewithansitia/eia-485
haveactive-highandactive-lowenablesrespectively,
whichcanbeexternallyconnectedtogethertofunc-
标准
tionasadirectioncontrol.
•
DataTransmissionWithRemoteStations
PoweredFromtheHost
•
IsolatedMultipointDataBuses
•
IndustrialProcessControlNetworks
•
要点-的-salenetworks
•
ElectricUtilityMetering
thesn65hvd08combinesa3-statedifferentialline
driveranddifferentiallinereceiverdesignedforbal-
anceddatatransmissionandinteroperationwithANSI
tia/eia-485-aandiso-8482estandard-一致的
设备.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2002–2003,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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