MC74F157A Motorola, MC74F157A Datasheet
MC74F157A
Manufacturer Part Number
MC74F157A
Description
QUAD 2-INPUT MULTIPLEXER
Manufacturer
Motorola
Datasheet
1.MC74F157A.pdf
(2 pages)
Available stocks
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Part Number
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Quantity
Price
Part Number:
MC74F157A
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
Company:
Part Number:
MC74F157AD
Manufacturer:
MOT
Quantity:
33
Company:
Part Number:
MC74F157ADR2
Manufacturer:
MOT
Quantity:
2 500
QUAD 2-INPUT MULTIPLEXER
from two sources can be selected using the common Select and Enable in-
puts. The four buffered outputs present the selected data in the true (non-in-
verted) form. The F157A can also be used to generate any four of the 16 differ-
ent functions to two variables.
FUNCTION TABLE
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care
The MC74F157A is a high-speed quad 2-input multiplexer. Four bits of data
AC Enhanced Version of the F157
E
H
L
L
L
L
I 0a
Z a
I 1a
CONNECTION DIAGRAM DIP (TOP VIEW)
V CC
16
H
H
1
S
S
X
L
L
I 0b
Inputs
I 0a
15
E
2
Z b
I 1b
I 1b
I 0c
I 1a
14
3
LOGIC DIAGRAM
I 0
H
X
X
X
L
I 0c
I 1c
13
Z a
4
Z c
I 0b
Z c
12
5
I 1c
I 1
X
H
X
X
L
I 0d
I 1b
11
6
FAST AND LS TTL DATA
I 0d
I 1d
10
Z b
Z d
7
I 1d
GND
Z d
9
8
4-67
E
Output
H
H
Z
L
L
L
S
V CC = PIN 16
GND = PIN 8
16
16
ORDERING INFORMATION
16
1
1
MC74F157A
MC74FXXXJ
MC74FXXXN
MC74FXXXD
12
FAST
4
7
9
1
QUAD 2-INPUT
MULTIPLEXER
LOGIC SYMBOL
Z a
Z b
Zc
Z d
SHOTTKY TTL
S
1
Ceramic
Plastic
SOIC
I 0a
I 1a
I 0b
I 1b
I 0c
I 1c
I 0d
I 1d
CASE 751B-03
E
CASE 620-09
CASE 648-08
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
SOIC
15
14
13
10
11
2
3
5
6
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