MC74F158A Datasheet, PDF (1/2 Pages) Motorola, Inc – QUAD 2-INPUT MULTIPLEXER

QUAD 2-INPUT MULTIPLEXER
The MC74F158A is a high-speed quad 2-input multiplexer. It selects four
bits of data from two sources using the common Select and Enable inputs.
The four buffered outputs present the selected data in the inverted form. The
F158A can also generate any four of the 16 different functions of two
variables.
• AC Enhanced Version of the F158
CONNECTION DIAGRAM DIP (TOP VIEW)
VCC E I0c I1c Zc I0d I1d Zd
16 15 14 13 12 11 10 9
12345678
S I0a I1a Za I0b I1b Zb GND
LOGIC DIAGRAM
I0a I1a I0b I1b I0c I1c I0d I1d E
S
Za
Zb
Zc
Zd
FUNCTION TABLE
Inputs
E
S
I0
I1
H
X
X
X
L
L
L
X
L
L
H
X
L
H
X
L
L
H
X
H
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care
Output
Z
H
H
L
H
L
MC74F158A
QUAD 2-INPUT
MULTIPLEXER
FAST™ SHOTTKY TTL
16
1
J SUFFIX
CERAMIC
CASE 620-09
16
1
N SUFFIX
PLASTIC
CASE 648-08
16
1
D SUFFIX
SOIC
CASE 751B-03
ORDERING INFORMATION
MC74FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
LOGIC SYMBOL
1
S
E
15
4
Za
I0a
2
I1a
3
7
Zb
I0b
5
I1b
6
12
Zc
I0c
14
I1c
13
9
Zd
VCC = PIN 16
GND = PIN 8
I0d
11
I1d
10
FAST AND LS TTL DATA
4-69