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SwitchingCharacteristics
OperatingCharacteristics
SN74AVC2T45
双-bitdual-supplybustransceiver
withconfigurablevoltagetranslationand3-stateoutputs
SCES531F–DECEMBER2003–REVISEDMAY2005
overrecommendedoperatingfree-airtemperaturerange,v
CCA
=3.3v
±
0.3v(看Figure11)
V
CCB
=1.5vv
CCB
=1.8vv
CCB
=2.5vv
CCB
=3.3v
V
CCB
=1.2v
FROMTO
±
0.1v
±
0.15v
±
0.2v
±
0.3v
PARAMETERUNIT
(输入)(输出)
TYPMINMAXMINMAXMINMAXMINMAX
t
PLH
2.50.34.70.23.80.22.80.22.4
ABns
t
PHL
2.50.34.70.23.80.22.80.22.4
t
PLH
2.10.63.60.43.10.32.60.32.4
BAns
t
PHL
2.10.63.60.43.10.32.60.32.4
t
PHZ
2.91.1816.51.34.71.24
DIRAns
t
PLZ
2.91.1816.51.34.71.24
t
PHZ
3.40.56.60.35.60.34.61.13.5
DIRBns
t
PLZ
3.40.56.60.35.60.34.61.13.5
t
PZH
(1)
5.56.96.66.25.9
DIRAns
t
PZL
(1)
5.56.96.66.25.9
t
PZH
(1)
5.412.710.37.46.3
DIRBns
t
PZL
(1)
5.412.710.37.46.3
(1)theenabletimeisacalculatedvalue,derivedusingtheformulashowninthe
enabletimes
部分.
T
一个
=25
°
C
V
CCA
=V
CCA
=V
CCA
=V
CCA
=V
CCA
=
测试
V
CCB
=1.2vv
CCB
=1.5vv
CCB
=1.8vv
CCB
=2.5vv
CCB
=3.3v
PARAMETERUNIT
情况
TYPTYPTYPTYPTYP
一个-portinput,
33334
C
L
=0,
b-portoutput
C
pdA
(1)
f=10mhz,pf
b-portinput,
t
r
=t
f
=1ns
1213131415
一个-portoutput
一个-portinput,
1213131415
C
L
=0,
b-portoutput
C
pdB
(1)
f=10mhz,pf
b-portinput,
t
r
=t
f
=1ns
33334
一个-portoutput
(1)电源-dissipationcapacitancepertransceiver
8