Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Storage Temperature
b
65
§
Cto
a
150
§
C
Ambient Temperature under Bias
b
55
§
Cto
a
125
§
C
Junction Temperature under Bias
b
55
§
Cto
a
175
§
C
Plastic
b
55
§
Cto
a
150
§
C
V
CC
Pin Potential to
Ground Pin
b
0.5V to
a
7.0V
Input Voltage (Note 2)
b
0.5V to
a
7.0V
Input Current (Note 2)
b
30 mA to
a
5.0 mA
Voltage Applied to Output
in HIGH State (with V
CC
e
0V)
Standard Output
b
0.5V to V
CC
TRI-STATE
É
Output
b
0.5V to
a
5.5V
Current Applied to Output
in LOW State (Max) twice the rated I
OL
(mA)
Note 1: Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired. Functional operation under
these conditions is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
b
55
§
Cto
a
125
§
C
Commercial 0
§
Cto
a
70
§
C
Supply Voltage
Military
a
4.5V to
a
5.5V
Commercial
a
4.5V to
a
5.5V
DC Electrical Characteristics
Symbol Parameter
54F/74F
Units V
CC
Conditions
Min Typ Max
V
IH
Input HIGH Voltage 2.0 V Recognized as a HIGH Signal
V
IL
Input LOW Voltage 0.8 V Recognized as a LOW Signal
V
CD
Input Clamp Diode Voltage
b
1.2 V Min I
IN
eb
18 mA
V
OH
Output HIGH 54F 10% V
CC
2.5 I
OH
eb
1mA
Voltage 74F 10% V
CC
2.5 V Min I
OH
eb
1mA
74F 5% V
CC
2.7 I
OH
eb
1mA
V
OL
Output LOW 54F 10% V
CC
0.5
V Min
I
OL
e
20 mA
Voltage 74F 10% V
CC
0.5 I
OL
e
20 mA
I
IH
Input HIGH 54F 20.0
mA Max
V
IN
e
2.7V
Current 74F 5.0
I
BVI
Input HIGH Current 54F 100
mA Max
V
IN
e
7.0V
Breakdown Test 74F 7.0
I
CEX
Output High 54F 250
mA Max
V
OUT
e
V
CC
Leakage Current 74F 50
V
ID
Input Leakage
74F 4.75 V 0.0
I
ID
e
1.9 mA
Test All Other Pins Grounded
I
OD
Output Leakage
74F 3.75 mA 0.0
V
IOD
e
150 mV
Circuit Current All Other Pins Grounded
I
IL
Input LOW Current
b
0.6 mA Max V
IN
e
0.5V
I
OS
Output Short-Circuit Current
b
60
b
150 mA Max V
OUT
e
0V
I
CCL
Power Supply Current 12 20 mA Max V
O
e
LOW
4
