www.德州仪器.com
RecommendedOperatingConditions
(1)
ElectricalCharacteristics
sn54lv138a,sn74lv138a
3-lineto8-linedecoders/demultiplexers
SCLS395L–APRIL1998–REVISEDAUGUST2005
SN54LV138A
(2)
SN74LV138A
单位
MINMAXMINMAX
V
CC
supplyvoltage25.525.5v
V
CC
=2v1.51.5
V
CC
=2.3vto2.7vv
CC
×
0.7v
CC
×
0.7
V
IH
高-levelinputvoltagev
V
CC
=3vto3.6vv
CC
×
0.7v
CC
×
0.7
V
CC
=4.5vto5.5vv
CC
×
0.7v
CC
×
0.7
V
CC
=2v0.50.5
V
CC
=2.3vto2.7vv
CC
×
0.3v
CC
×
0.3
V
IL
低-levelinputvoltagev
V
CC
=3vto3.6vv
CC
×
0.3v
CC
×
0.3
V
CC
=4.5vto5.5vv
CC
×
0.3v
CC
×
0.3
V
I
inputvoltage05.505.5v
V
O
Outputvoltage0V
CC
0V
CC
V
V
CC
=2V–50–50
µ
一个
V
CC
=2.3vto2.7v–2–2
I
OH
高-leveloutputcurrent
V
CC
=3vto3.6v–6–6ma
V
CC
=4.5vto5.5v–12–12
V
CC
=2V5050
µ
一个
V
CC
=2.3vto2.7v22
I
OL
低-leveloutputcurrent
V
CC
=3vto3.6v66ma
V
CC
=4.5vto5.5v1212
V
CC
=2.3vto2.7v200200
∆
t/
∆
vInputtransitionriseorfallrateV
CC
=3vto3.6v100100ns/v
V
CC
=4.5vto5.5v2020
T
一个
operatingfree-airtemperature–55125–4085
°
C
(1)allunusedinputsofthedevicemustbeheldatv
CC
orgndtoensureproperdeviceoperation.refertothetiapplicationreport,
ImplicationsofSloworFloatingCMOSInputs
,literaturenumberscba004.
(2)productpreview
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)
SN54LV138A
(1)
SN74LV138A
PARAMETERTESTCONDITIONSV
CC
单位
MINTYPMAXMINTYPMAX
I
OH
=–50
µ
a2vto5.5vv
CC
–0.1v
CC
–0.1
I
OH
=–2ma2.3v22
V
OH
V
I
OH
=–6ma3v2.482.48
I
OH
=–12ma4.5v3.83.8
I
OL
=50
µ
a2vto5.5v0.10.1
I
OL
=2ma2.3v0.40.4
V
OL
V
I
OL
=6ma3v0.440.44
I
OL
=12ma4.5v0.550.55
I
I
V
I
=5.5vorgnd0to5.5v
±
1
±
1
µ
一个
I
CC
V
I
=V
CC
orgnd,i
O
=05.5v2020
µ
一个
I
止
V
I
orV
O
=0to5.5v055
µ
一个
C
i
V
I
=V
CC
orgnd3.3v2.12.1pf
(1)productpreview
5
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