74AHC138 데이터 시트보기 (PDF) - NXP Semiconductors.
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74AHC138 Datasheet PDF : 17 Pages
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Nexperia
74AHC138; 74AHCT138
3-to-8 line decoder/demultiplexer; inverting
6. Functional description
Table 3. Function table [1]
Input
Output
E1
E2
E3
A0
A1
A2
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
H
X
X
X
X
H
H
H
H
H
H
H
H
X
X
L
X
X
X
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
H
H
H
H
H
H
H
L
L
H
H
L
L
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
H
L
L
H
H
H
L
H
H
H
L
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
H
H
L
L
H
L
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
L
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
VCC
VI
IIK
IOK
IO
ICC
IGND
Tstg
Ptot
supply voltage
input voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
SO16 package
VI < 0.5 V
VO < 0.5 V or VO > VCC + 0.5 V
VO = 0.5 V to (VCC + 0.5 V)
Tamb = 40 C to +125 C
0.5
0.5
[1] 20
[1] -
-
-
75
65
+7.0 V
+7.0 V
-
mA
20 mA
25 mA
75
mA
-
mA
+150 C
[2] -
500 mW
TSSOP16 package
[3] -
500 mW
DHVQFN16 package
[4] -
500 mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Ptot derates linearly with 8 mW/K above 70 C.
[3] Ptot derates linearly with 5.5 mW/K above 60 C.
[4] Ptot derates linearly with 4.5 mW/K above 60 C.
74AHC_AHCT138
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 2 April 2014
© Nexperia B.V. 2017. All rights reserved
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