74HC/HCT147 Philips Semiconductors (Acquired by NXP), 74HC/HCT147 Datasheet - Page 4

• Manufacturer Part Number: 74HC/HCT147
• Description: 10-to-4 Line Priority Encoder
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
FUNCTION TABLE
Notes
1. H = HIGH voltage level
December 1990
H
X
X
X
X
X
X
X
X
L
10-to-4 line priority encoder
A
L = LOW voltage level
X = don’t care
0
H
X
X
X
X
X
X
X
L
H
A
1
H
X
X
X
X
X
X
L
H
H
A
2
H
X
X
X
X
X
L
H
H
H
A
3
INPUTS
H
X
X
X
X
L
H
H
H
H
A
4
Fig.4 Functional diagram.
H
X
X
X
L
H
H
H
H
H
A
5
H
X
X
L
H
H
H
H
H
H
A
4
6
H
X
L
H
H
H
H
H
H
H
A
7
H
L
H
H
H
H
H
H
H
H
A
8
H
L
L
H
H
H
H
H
H
H
Y
3
H
H
H
L
L
L
L
H
H
H
74HC/HCT147
Y
OUTPUTS
2
Product specification
H
H
H
L
L
H
H
L
L
H
Y
1
H
L
H
L
H
L
H
L
H
L
Y
0