www.德州仪器.com
RecommendedOperatingConditions
(1)
ElectricalCharacteristics
sn54abt16244,sn74abt16244a
16-bitbuffers/驱动器
with3-stateoutputs
SCBS073H–SEPTEMBER1991–REVISEDAUGUST2005
SN54ABT16244SN74ABT16244A
单位
MINMAXMINMAX
V
CC
supplyvoltage4.55.54.55.5v
V
IH
高-levelinputvoltage22v
V
IL
低-levelinputvoltage0.80.8v
V
I
Inputvoltage0V
CC
0V
CC
V
I
OH
高-leveloutputcurrent–24–32ma
I
OL
低-leveloutputcurrent4864ma
∆
t/
∆
vinputtransitionriseorfallrateoutputsenabled1010ns/v
T
一个
operatingfree-airtemperature–55125–4085
°
C
(1)allunusedinputsofthedevicemustbeheldatv
CC
orgndtoensureproperdeviceoperation.refertothetiapplicationreport,
ImplicationsofSloworFloatingCMOSInputs
,literaturenumberscba004.
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)
T
一个
=25
°
C
(1)
SN54ABT16244SN74ABT16244A
PARAMETERTESTCONDITIONSUNIT
MINTYP
(2)
MAXMINMAXMINMAX
V
IK
V
CC
=4.5v,i
I
=–18ma–1.2–1.2–1.2v
V
CC
=4.5v,i
OH
=–3ma2.52.52.5
V
CC
=5v,i
OH
=–3mA333
V
OH
V
I
OH
=–24mA22
V
CC
=4.5v
I
OH
=–32mA2
(3)
2
I
OL
=48ma0.550.55
V
OL
V
CC
=4.5vv
I
OL
=64ma0.55
(3)
0.55
V
hys
100mV
I
I
V
CC
=5.5v,v
I
=V
CC
orGND
±
1
±
1
±
1
µ
一个
I
OZH
V
CC
=5.5v,v
O
=2.7v10
(4)
1010
(4)
µ
一个
I
OZL
V
CC
=5.5v,v
O
=0.5v–10
(4)
–10–10
(4)
µ
一个
I
止
V
CC
=0,v
I
orV
O
≤
5.5v
±
100
±
100
µ
一个
V
CC
=5.5v,
I
CEX
Outputshigh505050
µ
一个
V
O
=5.5v
I
O
(5)
V
CC
=5.5v,v
O
=2.5v–50–100–180–50–180–50–180ma
Outputshigh323
V
CC
=5.5v,
I
CC
I
O
=0,outputslow323232ma
V
I
=V
CC
orGND
Outputsdisabled323
V
CC
=5.5v,outputsenabled0.051.50.05
dataoneinputat3.4v,
inputsOtherinputsat
outputsdisabled0.0510.05
∆
I
CC
(6)
毫安
V
CC
orGND
ControlV
CC
=5.5v,oneinputat3.4v,
0.051.50.05
inputsOtherinputsatV
CC
orGND
C
i
V
I
=2.5vor0.5v3pf
C
o
V
O
=2.5vor0.5v6pf
(1)characteristicsfort
一个
=25
°
capplytothesn74abt16244aonly.
(2)alltypicalvaluesareatv
CC
=5v.
(3)onproductscomplianttomil-prf-38535,thisparameterdoesnotapply.
(4)thisdata-sheetlimitmayvaryamongsuppliers.
(5)notmorethanoneoutputshouldbetestedatatime,andthedurationofthetestshouldnotexceedonesecond.
(6)thisistheincreaseinsupplycurrentforeachinputthatisatthespecifiedttlvoltagelevelratherthanv
CC
orgnd.
4
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