Absolute Maximum Ratings
(Note 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature
Ambient Temperature under Bias
Junction Temperature under Bias
Plastic
V
CC
Pin Potential to
Ground Pin
Input Voltage (Note 4)
Input Current (Note 4)
Voltage Applied to Output
in HIGH State (with V
CC
= 0V)
Standard Output
TRI-STATE
Output
65C to +150C
55C to +125C
55C to +175C
55C to +150C
0.5V to +7.0V
0.5V to +7.0V
30 mA to +5.0 mA
0.5V to V
CC
0.5V to +5.5V
Current Applied to Output
in LOW State (Max)
twice the rated I
OL
(mA)
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
Supply Voltage
Military
Commercial
Note 3:
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 4:
Either voltage limit or current limit is sufficient to protect inputs.
55C to +125C
0C to +70C
+4.5V to +5.5V
+4.5V to +5.5V
DC Electrical Characteristics
Symbol
Parameter
54F/74F
Typ
Units
V
CC
Conditions
Min
2.0
Max
V
IH
V
IL
V
CD
V
OH
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
V
V
V
Recognized as a HIGH Signal
Recognized as a LOW Signal
I
IN
= 18 mA
I
OH
= 1 mA
I
OH
= 1 mA
I
OH
= 1 mA
I
OL
= 20 mA
I
OL
= 20 mA
V
IN
= 2.7V
0.8
1.2
Min
54F 10% V
CC
74F 10% V
CC
74F 5% V
CC
54F 10% V
CC
74F 10% V
CC
54F
74F
54F
74F
54F
74F
74F
2.5
2.5
2.7
V
Min
V
OL
Output LOW
Voltage
Input HIGH
Current
Input HIGH Current
Breakdown Test
Output HIGH
Leakage Current
Input Leakage
Test
Output Leakage
Circuit Current
Input LOW Current
Output Short-Circuit Current
Power Supply Current
Power Supply Current
0.5
0.5
20.0
5.0
100
7.0
250
50
V
Min
I
IH
μA
Max
I
BVI
μA
Max
V
IN
= 7.0V
I
CEX
μA
Max
V
OUT
= V
CC
V
ID
4.75
V
0.0
I
ID
= 1.9 μA
All other pins grounded
V
IOD
= 150 mV
All other pins grounded
V
IN
= 0.5V
V
OUT
= 0V
V
O
= HIGH
V
O
= LOW
I
OD
74F
3.75
μA
0.0
I
IL
I
OS
I
CCH
I
CCL
0.6
150
6.2
9.7
mA
mA
mA
mA
Max
Max
Max
Max
60
4.1
6.5
AC Electrical Characteristics
See Section 0 for Waveforms and Load Configurations
74F
54F
74F
T
A
= +25C
V
CC
= +5.0V
C
L
= 50 pF
Typ
4.2
4.1
T
A
, V
CC
= Mil
C
L
= 50 pF
T
A
, V
CC
= Com
C
L
= 50 pF
Fig.
No.
Symbol
Parameter
Units
Min
3.0
2.5
Max
5.6
5.5
Min
2.5
2.0
Max
7.5
7.5
Min
3.0
2.5
Max
6.6
6.5
t
PLH
t
PHL
Propagation Delay
A
n
, B
n
, C
n
to O
n
ns
kk
-
kk
3
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PrintDate=1997/08/26 PrintTime=16:09:27 9520 ds009459 Rev. No. 1
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