HCF4078B_02 Datasheet, PDF (2/7 Pages) STMicroelectronics – 8 INPUT NOR/OR GATE

HCF4078B
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
2, 3, 4, 5, 9,
10, 11, 12
A, B, C, D, E,
F, G, H
Data Inputs
1
K
OR Data Outputs
13
J
NOR Data Outputs
6, 8
NC
Not Connected
7
V_SS
Negative Supply Voltage
14
V_DD
Positive Supply Voltage
TRUTH TABLE
INPUTS
ALL INPUTS "L"
OTHER POSSIBILITIES
OUTPUTS
J (NOR)
H
L
K(OR)
L
H
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V_DD Supply Voltage
-0.5 to +22
V
V_I
DC Input Voltage
-0.5 to V_DD + 0.5
V
I_I
DC Input Current
± 10
mA
P_D
Power Dissipation per Package
Power Dissipation per Output Transistor
200
mW
100
mW
T_op
Operating Temperature
-55 to +125
°C
T_stg Storage Temperature
-65 to +150
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
All voltage values are referred to V_SS pin voltage.
RECOMMENDED OPERATING CONDITIONS
Symbol
V_DD
V_I
T_op
Supply Voltage
Input Voltage
Operating Temperature
Parameter
Value
Unit
3 to 20
V
0 to V_DD
V
-55 to 125
°C
2/7