Texas Instruments DS90LV804 Handleiding

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DS90LV804

www.ti.com

SNLS195L–SEPTEMBER2005–REVISEDAPRIL2013

DS90LV8044-Channel800MbpsLVDSBuffer/Repeater

CheckforSamples:DS90LV804

Inordertomaximizesignalintegrity,theDS90LV804

1

FEATURES

featuresbothaninternalinputandoutput(source)

23

•800MbpsDataRateperChannel

terminationtoeliminatetheseextracomponentsfrom

•LowOutputSkewandJitter

theboard,andtoalsoplacetheterminationsasclose

aspossibletoreceiverinputsanddriveroutput.This

•LVDS/CML/LVPECLCompatibleInput,LVDS

isespeciallysignificantwhendrivinglongercables.

Output

TheDS90LV804,availableintheWQFN(Leadless

•On-Chip100ΩInputandOutputTermination

LeadframePackage)package,minimizesthe

•12kVESDProtectiononLVDSOutputs

footprint,andimprovessystemperformance.

•Single3.3VSupply

Anoutputenablepinisprovided,whichallowsthe

•VeryLowPowerConsumption

usertoplacetheLVDSoutputsandinternalbiasing

•Industrial-40to+85°CTemperatureRange

generatorsinaTRI-STATE

®

,lowpowermode.

•SmallWQFNPackageFootprint

ThedifferentialinputsinterfacetoLVDS,andBus

LVDSsignalssuchasthoseonTI's10-,16-,and18-

DESCRIPTION

bitBusLVDSSerDes,aswellasCMLandLVPECL.

TheDS90LV804isafourchannel800MbpsLVDS

Thedifferentialinputsareinternallyterminatedwitha

buffer/repeater.Inmanylargesystems,signalsare

100Ωresistortoimproveperformanceandminimize

distributedacrosscablesandsignalintegrityishighly

boardspace.Thisfunctionisespeciallyusefulfor

dependentonthedatarate,cabletype,length,and

boostingsignalsoverlossycablesorpoint-to-point

theterminationscheme.

backplaneconfigurations.

BlockandConnectionDiagrams

Figure1.DS90LV804BlockDiagram

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2TRI-STATEisaregisteredtrademarkofNationalSemiconductorCorporation.

3Allothertrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2005–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties