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AbsoluteMaximumRatings
(1)
SN74AVC2T45
双-bitdual-supplybustransceiver
withconfigurablevoltagetranslationand3-stateoutputs
SCES531F–DECEMBER2003–REVISEDMAY2005
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
MINMAXUNIT
V
CCA
supplyvoltagerange–0.54.6v
V
CCB
i/oports(aport)–0.54.6
V
I
Inputvoltagerange
(2)
i/oports(bport)–0.54.6v
controlinputs–0.54.6
aport–0.54.6
voltagerangeappliedtoanyoutputinthehigh-impedanceor
V
O
V
电源-offstate
(2)
bport–0.54.6
aport–0.5v
CCA
+0.5
V
O
Voltagerangeappliedtoanyoutputinthehighorlowstate
(2)(3)
V
bport–0.5v
CCB
+0.5
I
IK
InputclampcurrentV
I
<0–50ma
I
OK
OutputclampcurrentV
O
<0–50ma
I
O
Continuousoutputcurrent
±
50mA
ContinuouscurrentthroughV
CCA
,v
CCB
,orgnd
±
100mA
DCTpackage220
θ
JA
Packagethermalimpedance
(4)
DCUpackage227
°
c/w
yep/yzppackage102
T
stg
Storagetemperaturerange–65150
°
C
(1)stressesbeyondthoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperating
情况"isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)theinputnegative-voltageandoutputvoltageratingsmaybeexceedediftheinputandoutputcurrentratingsareobserved.
(3)theoutputpositive-voltageratingmaybeexceededupto4.6vmaximumiftheoutputcurrentratingsareobserved.
(4)thepackagethermalimpedanceiscalculatedinaccordancewithjesd51-7.
3
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