BU4028B Datasheet, PDF (2/6 Pages) Rohm – BCD-to-decimal decoder

Standard ICs
•^{Truth table}
INPUT
D
C
B
L
L
L
L
L
L
L
L
H
L
L
H
L
H
L
L
H
L
L
H
H
L
H
H
H
L
L
H
L
L
H
L
H
H
L
H
H
H
L
H
H
L
H
H
H
H
H
H
BA4028B
OUTPUT
A
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
L
L
L
L
L
L
L
L
L
L
H
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
H
L
L
H
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
H
L
L
L
L
H
L
L
L
L
H
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
H
L
L
H
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
•^{Absolute maximum ratings (Ta = 25°C, VSS = 0V)}
Parameter
Symbol
Limits
Unit
Power supply voltage
VDD
– 0.3 ~ + 18
V
Power dissipation
Pd
1000 (DIP)
mW
Operating temperature
Storage temperature
Topr
– 40 ~ + 85
°C
Tstg
– 55 ~ + 150
°C
Input voltage
VIN
– 0.3 ~ VDD + 0.3
V
2