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1OE
1A1
1A2
1A3
1A4
1Y1
1Y2
1Y3
1Y4
1
47
46
44
43
2
3
5
6
2OE
2A1
2A2
2A3
2A4
2Y1
2Y2
2Y3
2Y4
48
41
40
38
37
8
9
11
12
3OE
3A1
3A2
3A3
3A4
3Y1
3Y2
3Y3
3Y4
25
36
35
33
32
13
14
16
17
4OE
4A1
4A2
4A3
4A4
4Y1
4Y2
4Y3
4Y4
24
30
29
27
26
19
20
22
23
AbsoluteMaximumRatings
(1)
sn54abt16244,sn74abt16244a
16-bitbuffers/驱动器
with3-stateoutputs
SCBS073H–SEPTEMBER1991–REVISEDAUGUST2005
logicdiagram(positivelogic)
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
MINMAXUNIT
V
CC
supplyvoltagerange–0.57v
V
I
Inputvoltagerange
(2)
–0.57v
V
O
voltagerangeappliedtoanyoutputinthehighorpower-offstate–0.55.5v
SN54ABT1624496
I
O
CurrentintoanyoutputinthelowstatemA
SN74ABT16244A128
I
IK
InputclampcurrentV
I
<0–18ma
I
OK
OutputclampcurrentV
O
<0–50ma
DGGpackage89
θ
JA
Packagethermalimpedance
(3)
DGVpackage93
°
c/w
DLpackage94
T
stg
Storagetemperaturerange–65150
°
C
(1)stressesbeyondthoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperating
情况"isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability
(2)theinputandoutputnegative-voltageratingsmaybeexceedediftheinputandoutputclamp-currentratingsareobserved.
(3)thepackagethermalimpedanceiscalculatedinaccordancewitheia/jedecstdjesd51.
3