HCF4532 STMicroelectronics, HCF4532 Datasheet - Page 3

• Manufacturer Part Number: HCF4532
• Description: 8-BIT PRIORITY ENCODER
• Manufacturer: STMicroelectronics

LOGIC DIAGRAM
TRUTH TABLE
X
E
0
1
1
1
1
1
1
1
1
1
Don’t Care
I
D 7
X
0
1
0
0
0
0
0
0
0
D 6
X
X
0
1
0
0
0
0
0
0
D 5
X
X
X
0
1
0
0
0
0
0
Input
D 4
X
X
X
X
0
1
0
0
0
0
D 3
X
0
X
X
X
X
1
0
0
0
Logic 1
D 2
X
X
X
X
X
X
0
1
0
0
High
D 1
X
X
X
X
X
X
X
0
1
0
D 0
X
X
X
X
X
X
X
X
0
1
G S
0
0
1
1
1
1
1
1
1
1
Q 2
0
0
1
1
1
1
0
0
0
0
Output
HCC/HCF4532B
Q 1
0
0
1
1
0
0
1
1
0
0
Q 0
Logic 0
0
0
0
1
0
1
1
0
1
0
E
0
1
0
0
0
0
0
0
0
0
Low
3/15
O