
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
DD
* Supply Voltage : HCC Types
HCF Types
– 0.5 to + 20
– 0.5 to + 18
V
V
V
i
Input Voltage – 0.5 to V
DD
+ 0.5 V
I
I
DC Input Current (any one input) ± 10 mA
P
tot
Total Power Dissipation (per package)
Dissipation per Output Transistor
for T
op
= Full Package-temperature Range
200
100
mW
mW
T
op
Operating Temperature : HCC Types
HCF Types
– 55 to + 125
–40to+85
°C
°C
T
stg
Storage Temperature – 65 to + 150 °C
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Value Unit
V
DD
Supply Voltage : HCC Types
HCF Types
3to18
3to15
V
V
V
I
Input Voltage 0 to V
DD
V
T
op
Operating Temperature : HCC Types
HCF Types
–55to125
–40to85
°C
°C
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only
and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification
is not implied. Exposure to absolute maximum rating conditions for external periods may affect device reliability.
* All voltage values are referred to V
SS
pin voltage.
TRUTH TABLE
4055 B and 4056 B
Input Code Output State
2
3
2
2
2
1
2
0
abcdefg
Display
Character
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
1
0
1
1
1
1
1
0
0
1
1
0
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
0
0
1
1
0
1
1
1
1
1
1
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
1
1
1
0
0
0
0
0
1
0
1
0
0
0
1
0
1
0
1
1
1
1
0
0
1
0
0
0
1
1
1
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
0
1
1
0
1
1
1
1
0
0
1
2
3
4
5
6
7
8
9
L
H
P
A
–
BLANK
Data Setup Time and Strobe Pulse Duration.
HCC/HCF4054B/55B/56B
4/15
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