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RecommendedOperatingConditions
(1)(2)(3)(4)(5)
SN74AVC2T45
双-bitdual-supplybustransceiver
withconfigurablevoltagetranslationand3-stateoutputs
SCES531F–DECEMBER2003–REVISEDMAY2005
V
CCI
V
CCO
MINMAXUNIT
V
CCA
supplyvoltage1.23.6v
V
CCB
supplyvoltage1.23.6v
1.2vto1.95vv
CCI
×
0.65
高-水平的
V
IH
Datainputs
(4)
1.95vto2.7v1.6v
inputvoltage
2.7vto3.6v2
1.2vto1.95vv
CCI
×
0.35
低-水平的
V
IL
Datainputs
(4)
1.95vto2.7v0.7v
inputvoltage
2.7vto3.6v0.8
1.2vto1.95vv
CCA
×
0.65
高-leveldir
V
IH
1.95vto2.7v1.6v
inputvoltage(referencedtov
CCA
)
(5)
2.7vto3.6v2
1.2vto1.95vv
CCA
×
0.35
低-leveldir
V
IL
1.95vto2.7v0.7v
inputvoltage(referencedtov
CCA
)
(5)
2.7vto3.6v0.8
V
I
inputvoltage03.6v
Activestate0V
CCO
V
O
OutputvoltageV
3-state03.6
1.2v–3
1.4vto1.6v–6
I
OH
高-leveloutputcurrent1.65vto1.95v–8ma
2.3vto2.7v–9
3vto3.6v–12
1.2v3
1.4vto1.6v6
I
OL
低-leveloutputcurrent1.65vto1.95v8ma
2.3vto2.7v9
3vto3.6v12
∆
t/
∆
vinputtransitionriseorfallrate5ns/v
T
一个
operatingfree-airtemperature–4085
°
C
(1)v
CCI
istheV
CC
associatedwiththedatainputport.
(2)v
CCO
istheV
CC
associatedwiththeoutputport.
(3)allunuseddatainputsofthedevicemustbeheldatv
CCI
orgndtoensureproperdeviceoperation.refertothetiapplicationreport,
ImplicationsofSloworFloatingCMOSInputs
,literaturenumberscba004.
(4)forv
CCI
valuesnotspecifiedinthedatasheet,v
ih(最小值)
=V
CCI
x0.7v,v
il(最大值)
=V
CCI
x0.3v.
(5)forv
CCI
valuesnotspecifiedinthedatasheet,v
ih(最小值)
=V
CCA
x0.7v,v
il(最大值)
=V
CCA
x0.3v.
4
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