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RecommendedOperatingConditions
(1)
ElectricalCharacteristics
(1)
SN74CB3T16210
20-bitfetbusswitch
2.5-v/3.3-vlow-voltagebusswitchwith5-v-tolerantlevelshifter
SCDS156A–OCTOBER2003–REVISEDMARCH2005
MINMAXUNIT
V
CC
supplyvoltage2.33.6v
V
CC
=2.3vto2.7v1.75.5
V
IH
高-levelcontrolinputvoltagev
V
CC
=2.7vto3.6v25.5
V
CC
=2.3vto2.7v00.7
V
IL
低-levelcontrolinputvoltagev
V
CC
=2.7vto3.6v00.8
V
i/o
datainput/outputvoltage05.5v
T
一个
operatingfree-airtemperature–4085
°
C
(1)allunusedcontrolinputsofthedevicemustbeheldatv
CC
orgndtoensureproperdeviceoperation.refertothetiapplicationreport,
ImplicationsofSloworFloatingCMOSInputs
,literaturenumberscba004.
T
一个
=–40
°
CTO85
°
C
PARAMETERTESTCONDITIONSUNIT
MINTYP
(2)
最大值
V
IK
V
CC
=3v,i
I
=–18ma–1.2v
V
OH
SeeFigure3andFigure4
控制
I
在
V
CC
=3.6v,v
在
=3.6vto5.5vorgnd
±
10
µ
一个
输入
V
I
=V
CC
–0.7vto5.5v
±
20
V
CC
=3.6v,
I
I
switchon,v
I
=0.7vtov
CC
–0.7v–40
µ
一个
V
在
=V
CC
orGND
V
I
=0to0.7v
±
5
I
OZ
(3)
V
CC
=3.6v,v
O
=0to5.5v,v
I
=0,switchoff,v
在
=V
CC
orGND
±
10
µ
一个
I
止
V
CC
=0,v
O
=0to5.5v,v
I
=0,10
µ
一个
V
I
=V
CC
orGND40
V
CC
=3.6v,i
i/o
=0,
I
CC
µ
一个
switchonoroff,v
在
=V
CC
orGND
V
I
=5.5v40
控制
∆
I
CC
(4)
V
CC
=3vto3.6v,oneinputatv
CC
–0.6v,otherinputsatv
CC
orGND300
µ
一个
输入
控制
C
在
V
CC
=3.3v,v
在
=V
CC
orGND4pF
输入
C
io(止)
V
CC
=3.3v,v
i/o
=5.5v,3.3v,orgnd,switchoff,v
在
=V
CC
orGND5pF
V
i/o
=5.5vor3.3v5
C
io(在)
V
CC
=3.3v,switchon,v
在
=V
CC
orGNDpF
V
i/o
=GND13
I
O
=24ma59.5
V
CC
=2.3v,typatv
CC
=2.5v,v
I
=0
I
O
=16ma59.5
r
在
(5)
Ω
I
O
=64ma58.5
V
CC
=3v,v
I
=0
I
O
=32ma58.5
(1)v
在
andI
在
refertocontrolinputs.v
I
,v
O
,i
I
,andi
O
refertodatapins.
(2)alltypicalvaluesareatv
CC
=3.3v(unlessotherwisenoted),t
一个
=25
°
c.
(3)fori/oports,theparameteri
OZ
includestheinputleakagecurrent.
(4)thisistheincreaseinsupplycurrentforeachinputthatisatthespecifiedttlvoltagelevel,ratherthanv
CC
orgnd.
(5)measuredbythevoltagedropbetweenaandbterminalsattheindicatedcurrentthroughtheswitch.在-stateresistanceisdetermined
bythelowerofthevoltagesofthetwo(aorb)terminals.
5