www.德州仪器.com
特性
描述/orderinginformation
dgg 或者 dl pACKAGE
(t运算 视图)
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1DIR
1B1
1B2
地
1B3
1B4
V
CC
1B5
1B6
地
1B7
1B8
2B1
2B2
地
2B3
2B4
V
CC
2B5
2B6
地
2B7
2B8
2DIR
1OE
1A1
1A2
地
1A3
1A4
V
CC
1A5
1A6
地
1A7
1A8
2A1
2A2
地
2A3
2A4
V
CC
2A5
2A6
地
2A7
2A8
2OE
SN74ALVCHR16245
16-bitbustransceiver
with3-stateoutputs
SCES064G–DECEMBER1995–REVISEDOCTOBER2004
•
MemberoftheTexasInstrumentsWidebus™
家族
•
operatesfrom1.65vto3.6v
•
Maxt
pd
of4.2nsat3.3v
•±
12-maoutputdriveat3.3v
•
alloutputshaveequivalent26-
Ω
序列
电阻器,sonoexternalresistorsare
必需的
•
BusHoldonDataInputsEliminatestheNeed
forexternalpullup/pulldownresistors
•
获得-upperformanceexceeds250maper
JESD17
•
ESDProtectionExceedsJESD22
-2000-vhuman-bodymodel(a114-一个)
-200-vmachinemodel(a115-一个)
this16-位(双-octal)noninvertingbustransceiveris
designedfor1.65-vto3.6-vv
CC
运作.
TheSN74ALVCHR16245isdesignedfor
asynchronouscommunicationbetweendatabuses.
thecontrol-functionimplementationminimizes
externaltimingrequirements.
thisdevicecanbeusedastwo8-bittransceiversor
one16-bittransceiver.itallowsdatatransmission
fromtheAbustotheBbusorfromtheBbustothe
abus,dependingonthelogiclevelatthe
方向-控制(dir)输入.theoutput-使能(oe)
inputcanbeusedtodisablethedevicesothatthe
busesareeffectivelyisolated.
alloutputs,whicharedesignedtosinkupto12ma,includeequivalent26-
Ω
seriesresistorstoreduceovershoot
andundershoot.
toensurethehigh-impedancestateduringpoweruporpowerdown,oeshouldbetiedtov
CC
throughapullup
电阻;theminimumvalueoftheresistorisdeterminedbythecurrent-sinkingcapabilityofthedriver.
activebus-holdcircuitryholdsunusedorundriveninputsatavalidlogicstate.useofpulluporpulldownresistors
withthebus-holdcircuitryisnotrecommended.
ORDERINGINFORMATION
T
一个
包装
(1)
orderablepartnumbertop-sidemarking
ssop-dltapeandreelsn74alvchr16245lralvchr16245
tssop-dggtapeandreelsn74alvchr16245gralvchr16245
-40
°
Cto85
°
C
vfbga-gqlsn74alvchr16245kr
TapeandreelVR245
vfbga-zql(铅-自由)74alvchr16245zqlr
(1)packagedrawings,standardpackingquantities,thermaldata,符号化,andpcbdesignguidelinesareavailableat
www.德州仪器.com/sc/包装.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
widebusisatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©1995–2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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