74HC147D-T NXP Semiconductors, 74HC147D-T Datasheet - Page 4

• Manufacturer Part Number: 74HC147D-T
• Description: Encoder 9-to-4 Priority CMOS 16-Pin SO T/R
• Manufacturer: NXP Semiconductors
• Type: Priorityr

Specifications of 74HC147D-T

• Package: 16SO
• Logic Family: HC
• Number Of Element Inputs: 9
• Number Of Element Outputs: 4
• Operating Supply Voltage: 5 V

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