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特点
描述/orderinginformation
SN74LVCZ32240A
32-bitbuffer/驾驶员
with3-stateoutputs
SCES421A–JANUARY2003–REVISEDJULY2005
•
MemberoftheTexasInstrumentsWidebus+™
•
supportsmixed-modesignaloperationonall
familyports(5-vinput/outputvoltagewith
3.3-vv
抄送
)
•
operatesfrom2.7vto3.6v
•
门闩-upperformanceexceeds100maper
•
inputsacceptvoltagesto5.5v
jesd78,classii
•
maxt
pd
of4.2nsat3.3v
•
ESDProtectionExceedsJESD22
•
我
关
andpower-up3-statesupporthot
–2000-vhuman-bodymodel(a114-一个)
插入
–1000-vcharged-devicemodel(c101)
this32-bitbuffer/driverisdesignedfor2.7-vto3.6-vv
抄送
操作.
thesn74lvcz32240aisdesignedspecificallytoimproveboththeperformanceanddensityof3-statememory
addressdrivers,clockdrivers,andbus-orientedreceiversandtransmitters.
thedevicecanbeusedaseight4-bitbuffers,four8-bitbuffers,two16-bitbuffers,orone32-bitbuffer.这个
deviceprovidesinvertingoutputs.
inputscanbedrivenfromeither3.3-vor5-vdevices.thisfeatureallowstheuseofthesedevicesastranslators
inamixed3.3-v/5-vsystemenvironment.
duringpoweruporpowerdown,whenv
抄送
isbetween0and1.5v,thedeviceisinthehigh-impedancestate.
然而,toensurethehigh-impedancestateabove1.5v,oeshouldbetiedtov
抄送
throughapullupresistor;
theminimumvalueoftheresistorisdeterminedbythecurrent-sinkingcapabilityofthedriver.
thisdeviceisfullyspecifiedforhot-insertionapplicationsusingi
关
andpower-up3-州.thei
关
电路
disablestheoutputs,preventingdamagingcurrentbackflowthroughthedevicewhenitispowereddown
(v
抄送
=0v).thepower-up3-statecircuitryplacestheoutputsinthehigh-impedancestateduringpowerupand
断电,whichpreventsdriverconflict.
ORDERINGINFORMATION
t
一个
包装
(1)
orderablepartnumbertop-sidemarking
–40
°
Cto85
°
CLFBGA–GKETapeandreelSN74LVCZ32240AGKERZC240A
(1)packagedrawings,标准包装数量,thermaldata,符号化,andpcbdesignguidelinesareavailableat
www.ti.com/sc/包装.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
widebus+isatrademarkoftexasinstruments.
productiondatainformationiscurrentasofpublicationdate.
copyright©2003–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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