Harman Kardon AVR247 Service Manual page 175

AVR247
74VHC08
INPUT EQUIVALENT CIRCUIT
ABSOLUTE MAXIMUM RATINGS
Symbol
V Supply Voltage
CC
V DC Input Voltage
I
V
DC Output Voltage
O
I DC Input Diode Current
IK
I DC Output Diode Current
OK
I DC Output Current
O
I or I DC V
CC GND
T Storage Temperature
stg
T Lead Temperature (10 sec)
L
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
RECOMMENDED OPERATING CONDITIONS
Symbol
V Supply Voltage
CC
V Input Voltage
I
V Output Voltage
O
T Operating Temperature
op
Input Rise and Fall Time (note 1) (V
dt/dv
1) V from 30% to 70% of V
IN
2/8
Parameter
or Ground Current
CC
Parameter
CC
PIN DESCRIPTION
PIN No
1, 4, 9, 12
2, 5, 10, 13
3, 6, 8, 11
7
14
TRUTH TABLE
A
L
L
H
H
= 3.3 0.3V)
CC
(V = 5.0 0.5V)
CC
175
harman/kardon
SYMBOL NAME AND FUNCTION
1A to 4A Data Inputs
1B to 4B Data Inputs
1Y to 4Y Data Outputs
GND Ground (0V)
V
Positive Supply Voltage
CC
B
L
H
L
H
Value
-0.5 to +7.0
-0.5 to +7.0
-0.5 to V + 0.5
CC
- 20
20
25
50
-65 to +150
300
Value
2 to 5.5
0 to 5.5
0 to V
CC
-55 to 125
0 to 100
0 to 20
Y
L
L
L
H
Unit
V
V
V
mA
mA
mA
mA
°C
°C
Unit
V
V
V
°C
ns/V