HCF4511B Datasheet, PDF (3/13 Pages) STMicroelectronics – BCD TO SEVEN SEGMENT LATCH/DECODER/DRIVER

LOGIC DIAGRAM
HCF4511B
TRUTH TABLE
LE BL LT D
C
B
A
a
b
c
d
e
f
g DISPLAY
X
X
L
X
X
X
X
H
H
H
H
H
H
H
8
X
L
H
X
X
X
X
L
L
L
L
L
L
L
Blank
L
H
H
L
L
L
L
H
H
H
H
H
H
L
0
L
H
H
L
L
L
H
L
H
H
L
L
L
L
1
L
H
H
L
L
H
L
H
H
L
H
H
L
H
2
L
H
H
L
L
H
H
H
H
H
H
L
L
H
3
L
H
H
L
H
L
L
L
H
H
L
L
H
H
4
L
H
H
L
H
L
H
H
L
H
H
L
H
H
5
L
H
H
L
H
H
L
L
L
H
H
H
H
H
6
L
H
H
L
H
H
H
H
H
H
L
L
L
L
7
L
H
H
H
L
L
L
H
H
H
H
H
H
H
8
L
H
H
H
L
L
H
H
H
H
L
L
H
H
9
L
H
H
H
L
H
L
L
L
L
L
L
L
L
Blank
L
H
H
H
L
H
H
L
L
L
L
L
L
L
Blank
L
H
H
H
H
L
L
L
L
L
L
L
L
L
Blank
L
H
H
H
H
L
H
L
L
L
L
L
L
L
Blank
L
H
H
H
H
H
L
L
L
L
L
L
L
L
Blank
L
H
H
H
H
H
H
L
L
L
L
L
L
L
Blank
H
H
H
X
X
X
X
*
*
X: Don’t Care
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