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M74HC4028 Datasheet(PDF) 2 Page - STMicroelectronics

Part # M74HC4028
Description  BCD TO DECIMAL DECODER
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC4028 Datasheet(HTML) 2 Page - STMicroelectronics

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M74HC4028
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1, 2, 3, 4, 5,
6, 7, 9, 14,
15
Y0 to Y9
Decoder Outputs
10, 11, 12,
13
A to D
Data Inputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
INPUTS
OUTPUTS
SELECTED
OUTPUT
D
C
B
A
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
LL
LL
H
L
L
LLL
LL
LL
Y0
LL
L
H
L
H
L
LLL
LL
LL
Y1
LL
H
L
L
L
H
LLL
LL
LL
Y2
LL
H
H
L
L
L
H
LL
LL
LL
Y3
L
H
LLL
LL
L
H
L
L
L
L
L
Y4
LH
LHL
L
L
L
LH
L
L
L
L
Y5
L
H
H
L
L
L
L
LLL
H
L
LL
Y6
L
H
H
H
L
L
L
LLL
L
H
LL
Y7
H
L
LLL
LL
LLL
LL
H
L
Y8
H
L
L
H
L
L
L
LLL
LL
L
H
Y9
H
X
H
X
L
L
L
LLL
LL
LL
NONE
H
H
X
X
L
LL
LLL
LL
LL
NONE



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