www.德州仪器.com
ElectricalCharacteristics
sn54abt16245a,sn74abt16245a
16-bitbustransceivers
with3-stateoutputs
SCBS300F–MARCH1994–REVISEDJULY2005
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)
T
一个
=25
°
CSN54ABT16245ASN74ABT16245A
PARAMETERTESTCONDITIONSUNIT
MINTYP
(1)
MAXMINMAXMINMAX
V
IK
V
CC
=4.5v,i
I
=–18ma–1.28–1.2–1.2v
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
(2)
2
I
OL
=48ma0.550.55
V
OL
V
CC
=4.5vv
I
OL
=64ma0.55
(2)
0.55
V
hys
100mV
控制
V
CC
=0to5.5v,v
I
=V
CC
orGND
±
1
±
1
±
1
输入
I
I
µ
一个
AorB
V
CC
=2.1vto5.5v,v
I
=V
CC
orGND
±
20
(2)
±
100
±
20
端口
I
OZPU
V
CC
=0to2.1v,v
O
=0.5vto2.7v,oe=x
±
50
(3)
±
50
(3)
±
50
µ
一个
I
OZPD
V
CC
=2.1vto0,v
O
=0.5vto2.7v,oe=x
±
50
(3)
±
50
(3)
±
50
µ
一个
I
OZH
(4)
V
CC
=2.1vto5.5v,v
O
=2.7v,oe
≥
2V10
(5)
1010
(5)
µ
一个
I
OZL
(4)
V
CC
=2.1vto5.5v,v
O
=0.5v,oe
≥
2V–10
(5)
–10–10
(5)
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
(6)
V
CC
=5.5v,v
O
=2.5v–50–100–180–50–180–50–180ma
Outputshigh222
AorBV
CC
=5.5v,i
O
=0,
I
CC
Outputslow323232mA
portV
I
=V
CC
orGND
Outputsdisabled222
V
CC
=5.5v,outputsenabled21.52
dataoneinputsat3.4v,
inputsOtherinputsat
outputsdisabled0.0510.05
∆
I
CC
(7)
毫安
V
CC
orGND
ControlV
CC
=5.5v,oneinputat3.4v,
1.51.51.5
inputsOtherinputsatV
CC
orGND
控制
C
i
V
I
=2.5vor0.5v3pf
输入
AorB
C
o
V
O
=2.5vor0.5v6pf
端口
(1)alltypicalvaluesareatv
CC
=5v.
(2)onproductscomplianttomil-prf-38535,thisparameterdoesnotapply.
(3)onproductscomplianttomil-prf-38535,thisparameterisnotproductiontested.
(4)theparametersi
OZH
andI
OZL
includetheinputleakagecurrent.
(5)thislimitmayvaryamongsuppliers.
(6)notmorethanoneoutputshouldbetestedatatime,andthedurationofthetestshouldnotexceedonesecond.
(7)thisistheincreaseinsupplycurrentforeachinputthatisatthespecifiedttlvoltagelevelratherthanv
CC
orgnd.
5
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