MC14028B
http://onsemi.com
5
Inputs
Output Numbers
Code and Redefined
Output Numbers
Hexadecimal
Decimal
D
C
B
A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
3
0
2
2
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
3
2
0
3
3
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
4
7
1
4
4
0
1
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
5
6
2
3
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
6
4
3
1
4
0
1
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
7
5
4
2
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
8
15
5
1
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
9
14
6
5
1
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
10
12
7
9
6
1
0
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
11
13
8
5
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
12
8
9
5
6
1
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
13
9
6
7
7
1
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
11
8
8
8
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
10
7
9
9
Figure 3. Six−Bit Binary 1−of−64 Decoder
INPUTS
A B C
D
E
F
INHIBIT
(NO SELECTION)
A
B
C
−D
Q0
Q9
MC14028B
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
A B C D
MC14028B
Q0
Q9
7
0
8
15
16
23
24
31
32
39
40
47
48
55
56
63
*1/6 MC14069UB
64 OUTPUTS (SELECTED OUTPUT IS HIGH)
Figure 4. Decimal Digit Display Application
A
Q9
MC14028B
B
C
D
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
9
0
2
9
1
0
APPROPRIATE
VOLTAGE
NEON
DISPLAY
APPROPRIATE
VOLTAGE
INCANDESCENT
DISPLAY
OR
4−Bit
Binary
4−Bit
Gray
Excess−3
Excess−3
Gray
Aiken
4221
