HCF4532 STMicroelectronics, HCF4532 Datasheet - Page 8
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HCF4532
Manufacturer Part Number
HCF4532
Description
8-BIT PRIORITY ENCODER
Manufacturer
STMicroelectronics
Datasheet
1.HCF4532.pdf
(15 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HCF4532
Manufacturer:
ST
Quantity:
20 000
Part Number:
HCF4532BE
Manufacturer:
ST
Quantity:
20 000
Part Number:
HCF4532BEY
Manufacturer:
ST
Quantity:
20 000
HCC/HCF4532B
APPLICATIONS (continued)
0-TO-9 KEYBOARD ENCODER
TRUTH TABLE
X = Don’t Care
8/15
D 9
1
0
0
0
0
0
0
0
0
0
D 8
X
1
0
0
0
0
0
0
0
0
D 7
X
X
1
0
0
0
0
0
0
0
D 6
X
X
X
1
0
0
0
0
0
0
D 5
X
X
X
X
1
0
0
0
0
0
Input
D 4
X
X
X
X
X
1
0
0
0
0
D 3
Logic 1
X
X
X
X
X
X
1
0
0
0
D 2
X
X
X
X
X
X
X
1
0
0
High
D 1
X
X
X
X
X
X
X
X
1
0
D 0
X
X
X
X
X
X
X
X
X
1
G S
0
0
1
1
1
1
1
1
1
1
Q 3’
1
1
0
0
0
0
0
0
0
0
Output
Q2 ’
0
0
1
1
1
1
0
0
0
0
Logic 0
Q 1’
0
0
1
1
0
0
1
1
0
0
Q 0
1
0
1
0
1
0
1
0
1
0
Low