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Part Name
Description
74F253 View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
74F253
Dual 4-bit input multiplexer (3-State)
Philips Electronics
74F253 Datasheet PDF : 10 Pages
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Philips Semiconductors
Dual 4-input multiplexer (3-State)
Product specification
74F253
LOGIC DIAGRAM
OEa
1
I0a
I1a
I2a
I3a
S1
S0
6
5
4
3
2
14
I0b
I1b
I2b
I3b
10
11
12
13
OEb
15
7
9
V
CC
= Pin 16
Ya
Yb
GND = Pin 8
FUNCTION TABLE
INPUTS
S0
S1
I0
I1
I2
X
X
X
X
X
L
L
L
X
X
L
L
H
X
X
H
L
X
L
X
H
L
X
H
X
L
H
X
X
L
L
H
X
X
H
H
H
X
X
X
H
H
X
X
X
NOTES:
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
OUTPUT
I3
OE
Y
X
H
Z
X
L
L
X
L
H
X
L
L
X
L
H
X
L
L
X
L
H
L
L
L
H
L
H
SF00801
1988 Nov 29
3
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