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特性
SN54ABT16245A . . . wd pACKAGE
SN74ABT16245A . . . dgg, dgv, 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
描述
sn54abt16245a,sn74abt16245a
16-bitbustransceivers
with3-stateoutputs
SCBS300F–MARCH1994–REVISEDJULY2005
•
MembersoftheTexasInstruments
Widebus™Family
•
状态-的-这-artepic-iib™bicmosdesign
SignificantlyReducesPowerDissipation
•
TypicalV
OLP
(outputgroundbounce)<1vat
V
CC
=5v,t
一个
=25
°
C
•
高-impedancestateduringpowerupand
PowerDown
•
DistributedV
CC
andGNDPinConfiguration
minimizeshigh-speedswitchingnoise
•
流动-througharchitectureoptimizespcb
布局
•
高-driveoutputs(–32-mai
OH
,64-mai
OL
)
•
获得-upperformanceexceeds500maper
JESD70
•
ESDProtectionExceeds2000VPer
mil-标准-883,method3015;exceeds200v
usingmachinemodel(c=200pf,r=0)
•
PackageOptionsIncludesPlasticThinVery
小-外形(dgv),shrinksmall-外形
(dl),andthinshrinksmall-外形(dgg)
packagesand380-milfine-pitchceramic
(wd)flatpackageusing25-mil
中心-至-centerspacings
这'abt16245adevicesare16-bitnoninverting3-statetransceiversdesignedforsynchronoustwo-方法
communicationbetweendatabuses.thecontrol-functionimplementationminimizesexternaltiming
(所需的)东西.
thesedevicescanbeusedastwo8-bittransceviersorone16-bittransceiver.theyallowdatatransmissionfrom
theabustothebbusorfromthebbustotheabus,dependingonthelogiclevelatthedirection-控制(dir)
输入.theoutput-使能(oe)inputcanbeusedtodisablethedevicesothatthebusesareeffectivelyisolated.
WhenV
CC
isbetween0and2.1v,thedeviceisinthehigh-impedancestateduringpoweruporpowerdown.
不管怎样,toensurethehigh-impendancestateabove2.1v,oeshouldbetiedtov
CC
throughapullupresistor;
theminimumvalueoftheresistorisdeterminedbythecurrent-sinkingcapabilityofthedriver.
TheSN54ABT16245Aischaracterizedforoperationoverthefullmilitarytemperaturerangeof–55
°
Cto125
°
c.
TheSN74ABT16245Aischaracterizedforoperationfrom–40
°
Cto85
°
c.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
widebus,epic-iibaretrademarksoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©1994–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
onproductscomplianttomil-prf-38535,allparametersare
instrumentsstandardwarranty.productionprocessingdoesnot
testedunlessotherwisenoted.onallotherproducts,生产
necessarilyincludetestingofallparameters.
processingdoesnotnecessarilyincludetestingofallparameters.
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