Rainbow Electronics BU4028B - Manual (Page 2)

2
Standard ICs BA4028B
•
Absolute maximum ratings (Ta = 25°C, V
SS
= 0V)
Parameter Symbol Limits Unit
Power supply voltage V
DD
V
Power dissipation mW
Operating temperature – 40 ~ + 85
°
C
Storage temperature – 55 ~ + 150
°
C
Input voltage V
IN
– 0.3 ~ V
DD
+ 0.3 V
– 0.3 ~ + 18
1000 (DIP) Pd
Topr
Tstg
•
Truth table
INPUT OUTPUT
D C B A Q
9
Q
8
Q
7
Q
6
Q
5
Q
4
Q
3
Q
2
Q
1
Q
0
L
L
L
L L
L
L
L L
L
H
H
L
H
L
H
L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
H
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L H
H
H
H L
L
H
H
L
H
L
H
L
L
L
L L
L
L
L L
L
L
H
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L L
L
L
L L
L
L
L L
L
L
L
H
H
H
H L
L
L
L L
L
H
H
L
H
L
H
L
H
L
L
H
L
L
L
L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L
H
H
H
H H
H
H
H L
L
H
H
L
H
L
H
L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L L
L
L
L