Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
b
a
55 C to 125 C
§
0 C to 70 C
§
§
b
b
a
65 C to 150 C
Storage Temperature
§
§
§
§
§
a
§
a
55 C to 125 C
Ambient Temperature under Bias
§
Supply Voltage
Military
Commercial
b
b
a
a a
4.5V to 5.5V
a a
4.5V to 5.5V
Junction Temperature under Bias
Plastic
55 C to 175 C
§
§
a
55 C to 150 C
V
Pin Potential to
CC
Ground Pin
b
a
0.5V to 7.0V
b
a
0.5V to 7.0V
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
b
a
30 mA to 5.0 mA
e
in HIGH State (with V
Standard Output
TRI-STATE Output
0V)
CC
b
0.5V to 5.5V
0.5V to V
CC
b
a
Current Applied to Output
in LOW State (Max)
twice the rated I (mA)
OL
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.
DC Electrical Characteristics
54F/74F
Symbol
Parameter
Units
V
CC
Conditions
Min
Typ
Max
V
V
V
V
Input HIGH Voltage
2.0
V
V
V
Recognized as a HIGH Signal
Recognized as a LOW Signal
IH
Input LOW Voltage
0.8
IL
b
e b
18 mA
Input Clamp Diode Voltage
1.2
Min
Min
I
IN
CD
OH
e b
e b
e b
e b
e b
Output HIGH
Voltage
54F 10% V
2.4
2.0
2.4
2.0
2.7
I
I
I
I
I
3 mA
12 mA
3 mA
15 mA
3 mA
CC
CC
CC
CC
OH
OH
OH
OH
OH
54F 10% V
74F 10% V
74F 10% V
V
74F 5% V
CC
e
e
V
Output LOW
Voltage
54F 10% V
74F 10% V
0.55
0.55
I
I
48 mA
OL
CC
OL
V
Min
Max
Max
Max
0.0
64 mA
CC
OL
e
I
I
I
Input HIGH
Current
54F
74F
20.0
5.0
V
V
V
2.7V
IH
IN
IN
mA
mA
mA
V
e
Input HIGH Current
Breakdown Test
54F
74F
100
7.0
7.0V
BVI
e
V
CC
Output HIGH
54F
74F
250
50
CEX
OUT
Leakage Current
e
All Other Pins Grounded
V
ID
Input Leakage
Test
I
ID
1.9 mA
74F
74F
4.75
e
IOD
I
Output Leakage
Circuit Current
V
150 mV
OD
3.75
mA
0.0
All Other Pins Grounded
b
e
0.5V
I
I
I
I
Input LOW Current
0.6
mA
mA
mA
mA
Max
Max
Max
Max
V
V
V
V
IL
IN
e
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
50
2.7V
0.5V
0V
OZH
OZL
OS
OUT
OUT
OUT
b
e
e
50
b
b
225
100
4
ROCHESTER [ Rochester Electronics ]
