HCF40147B Просмотр технического описания (PDF) - STMicroelectronics
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HCF40147B Datasheet PDF : 8 Pages
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HCF40147B
IINPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
9, 7, 6, 14
11, 12, 13, 1,
2, 3, 4, 5, 10
15
8
16
SYMBOL
A to D
1 to 9
0
VSS
VDD
NAME AND FUNCTION
BCD Address Outputs
(Active LOW)
Decimal data Inputs
(Active LOW)
Not Connected
Negative Supply Voltage
Positive Supply Voltage
TRUTH TABLE
INPUT
OUTPUTS
0
1
2
3
4
5
6
7
8
9
D
C
B
A
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
X
H
L
L
L
L
L
L
L
L
L
L
L
H
X
X
H
L
L
L
L
L
L
L
L
L
H
L
X
X
X
H
L
L
L
L
L
L
L
L
H
H
X
X
X
X
H
L
L
L
L
L
L
H
L
L
X
X
X
X
X
H
L
L
L
L
L
H
L
H
X
X
X
X
X
X
H
L
L
L
L
H
H
L
X
X
X
X
X
X
X
H
L
L
L
H
H
H
X
X
X
X
X
X
X
X
H
L
H
L
L
L
X
X
X
X
X
X
X
X
X
H
H
L
L
H
X : Don’t Care
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