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I74F138D Datasheet(PDF) 3 Page - NXP Semiconductors

Part # I74F138D
Description  1-of-8 decoder/demultiplexer
PDF  8 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

I74F138D Datasheet(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F138
1-of-8 decoder/demultiplexer
February 14, 1991
3
LOGIC DIAGRAM
15
14
13
12
11
10
9
7
Q0Q1Q2Q3Q4Q5Q6Q7
3
2
1
4
5
6
A2
A1
A0
E0
E1
E2
VCC = Pin 16
GND = Pin 8
SF00177
FUNCTION TABLE
INPUTS
OUTPUTS
E0
E1
E2
A0
A1
A2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
H
X
X
X
X
H
H
H
H
H
H
H
H
X
X
L
X
X
X
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
H
H
H
H
H
H
H
L
L
H
H
L
L
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
H
L
L
H
H
H
L
H
H
H
L
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
H
H
L
L
H
L
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
L
NOTES:
H = High voltage level
L
= Low voltage level
X = Don’t care
APPLICATION
SF00178
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
A0 A1 A2
E2
E1
E0
74F138
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
A0 A1 A2
E2
E1
E0
74F138
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
A0 A1 A2
E2
E1
E0
74F138
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
A0 A1 A2
E2
E1
E0
74F138
74F04
Q31
Q0
A0
A1
A2
A3
A4
H
Figure 1. Expansion of 1-of-8 Decoding



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