74HC158 Просмотр технического описания (PDF) - NXP Semiconductors.
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74HC158 Datasheet PDF : 16 Pages
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5.2 Pin description
Table 2. Pin description
Symbol
Pin
S
1
1I0
2
1I1
3
1Y
4
2I0
5
2I1
6
2Y
7
GND
8
3Y
9
3I1
10
3I0
11
4Y
12
4I1
13
4I0
14
E
15
VCC
16
6. Functional description
6.1 Function table
Table 3.
Control
E
H
L
Function[1]
S
X
L
H
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
Input
nI0
X
L
H
X
X
74HC158
Quad 2-input multiplexer; inverting
Description
common data select input
data input 1 from source 0
data input 1 from source 1
multiplexer output 1
data input 2 from source 0
data input 2 from source 1
multiplexer output 2
ground (0 V)
multiplexer output 3
data input 3 from source 1
data input 3 from source 0
multiplexer output 4
data input 4 from source 1
data input 4 from source 0
enable input (active LOW)
positive supply voltage
Output
nl1
nY
X
H
X
H
X
L
L
H
H
L
74HC158
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 23 December 2015
.
4 of 16
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