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特性
产品
描述
TYPICALAPPLICATION
PC
TMDS
341
dvd 播放机
STB
数字的TV
或者
Game
机器
TMDS341
SLLS660A–AUGUST2005–REVISEDOCTOBER2005
3-至-1dvi/hdmiswitch
•
HBMESDProtectionExceeds3kV
•
designedforsignalingratesupto1.65gbps
•
3.3-vsupplyoperation
inSupportofUXGADisplay
•
80-pintqfppackage
•
DifferentialInterfaceCompatiblewith
•
ROHSCompatibleand260
°
CReflowRated
TransitionMinimizedDifferentialSignaling
(tmds)electricalspecification
•
EachPortSupportsHDMIorDVIInputs
•
switchingfromthreedigital-video(dvi)或者
数字的-audiovisual(hdmi)来源
•
isolateddigitaldisplaycontrol(ddc)busfor
•
DigitalTV
UnusedPorts
•
DigitalProjector
•
5-vtolerancetoallddcandhpd_下沉
•
AudioVideoReceiver
输入
•
IntegratedReceiverTermination
•
inter-pairoutputskew<100ps
•
8-dbreceiverequalizationtocompensatefor
5-mdvicablelosses
•
HighImpedanceOutputsWhenDisabled
thetmds341isa3-portdigitalvideointerface(dvi)orhigh-definitionmultimediainterface(hdmi)switchthat
allowsupto3dviorhdmiportstobeswitchedtoasingledisplayterminal.fourtmdschannels,onehotplug
探测器,andani
2
cinterfacearesupportedoneachport.eachtmdschannelallowssignalingratesupto1.65
gbps.
theactivesourceisselectedbyconfiguringsourceselectors,s1,s2,ands3.theselectedtmdsinputsfrom
eachportareswitchedthrougha3-至-1multiplexer.thei
2
Cinterfaceoftheselectedinputportislinkedtothe
I
2
cinterfaceoftheoutputport,andthehotplugdetector(hpd)oftheselectedinputportisoutputto
hpd_下沉.fortheunusedports,thei
2
cinterfacesareisolated,andthehpdpinsarekeptlow.
terminationresistors(50-
Ω
),pulleduptov
CC
,areintegratedateachreceiverinputpin.externalterminationsare
notrequired.aprecisionresistorisconnectedexternallyfromthevsadjpintogroundforsettingthedifferential
outputvoltagetobecompliantwiththetmdsstandard.whentheoutputisconnectedtoastandardtmds
terminationandoeishigh,theoutputishighimpedance.
thetmds341providesfixed8-dbinputequalizationandselectable3-dboutputde-emphasistooptimize
systemperformancethrough5-meterorlongerdvicompliantcables.thedeviceischaracterizedforoperation
from0
°
Cto70
°
c.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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