HEF4512B 查看數據表（PDF） - Philips Electronics
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HEF4512B Datasheet PDF : 7 Pages
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Philips Semiconductors
8-input multiplexer with 3-state output
Product specification
HEF4512B
MSI
TRUTH TABLE for Fig. 4
A4
A3
A2
A1
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
H
L
L
H
L
L
L
H
L
L
L
H
H
L
L
H
H
L
H
L
L
L
H
L
L
L
H
L
H
L
H
L
H
L
H
H
L
L
H
H
L
L
H
H
H
L
H
H
H
H
L
L
L
H
L
L
L
H
L
L
H
H
L
L
H
H
L
H
L
H
L
H
L
H
L
H
H
H
L
H
H
H
H
L
L
H
H
L
L
H
H
L
H
H
H
L
H
H
H
H
L
H
H
H
L
H
H
H
H
H
H
H
H
A0
INPUT CONN.
TO OUTPUT
L
0
H
1
L
2
H
3
via
IC
L
4
0
H
5
L
6
H
7
L
8
H
9
L
10
H
11
via
IC
L
12
1
H
13
L
14
H
15
L
16
H
17
L
18
H
19
via
IC
L
20
2
H
21
L
22
H
23
L
24
H
25
L
26
H
27
via
IC
L
28
3
H
29
L
30
H
31
Fig.4
32-input multiplexer using 4 × HEF4512B
and 1 × HEF4011B. The input is selected
by 5-bit address (A4 to A0) and presented at
the output.
January 1995
7
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