www.德州仪器.com
特性
db, dw, ns, 或者 pw pACKAGE
(t运算 视图)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
V
CCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
地
地
V
CCB
NC
OE
B1
B2
B3
B4
B5
B6
B7
B8
地
nc - 非 内部的 连接
描述/orderinginformation
SN74LVCC4245A
octaldual-supplybustransceiver
withconfigurableoutputvoltageand3-stateoutputs
SCAS584M–NOVEMBER1996–REVISEDMARCH2005
•
BidirectionalVoltageTranslator
•
4.5vto5.5vonaportand2.7vto5.5von
BPort
•
ControlInputsV
IH
/v
IL
LevelsAreReferenced
toV
CCA
电压
•
获得-upperformanceexceeds250maper
JESD17
•
ESDProtectionExceedsJESD22
–2000-vhuman-bodymodel(a114-一个)
–200-vmachinemodel(a115-一个)
–1000-vcharged-devicemodel(c101)
this8-位(octal)noninvertingbustransceiverusestwoseparatepower-supplyrails.theaport,v
CCA
,是
dedicatedtoacceptinga5-vsupplylevel,andtheconfigurablebport,whichisdesignedtotrackv
CCB
,accepts
voltagesfrom3vto5v.thisallowsfortranslationfroma3.3-vtoa5-venvironmentandviceversa.
thesn74lvcc4245aisdesignedforasynchronouscommunicationbetweendatabuses.thedevicetransmits
datafromtheabustothebbusorfromthebbustotheabus,dependingonthelogiclevelatthe
方向-控制(dir)输入.theoutput-使能(oe)inputcanbeusedtodisablethedevicesothebuses
effectivelyareisolated.thecontrolcircuitry(dir,oe)ispoweredbyv
CCA
.
ORDERINGINFORMATION
T
一个
包装
(1)
orderablepartnumbertop-sidemarking
Tubeof25SN74LVCC4245ADW
SOIC–DWLVCC4245A
Reelof2000SN74LVCC4245ADWR
SOP–NSReelof2000SN74LVCC4245ANSRLVCC4245A
–40
°
Cto85
°
CSSOP–DBReelof2000SN74LVCC4245ADBRLG245A
Tubeof60SN74LVCC4245APW
TSSOP–PWReelof2000SN74LVCC4245APWRLG245A
Reelof250SN74LVCC4245APWT
(1)packagedrawings,standardpackingquantities,thermaldata,符号化,andpcbdesignguidelinesareavailableat
www.德州仪器.com/sc/包装.
FUNCTIONTABLE
(eachtransceiver)
输入
运作
OEDIR
LLBdatatoAbus
LHAdatatoBbus
HXIsolation
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©1996–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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