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 −65˚C to +150˚C
Ambient Temperature under Bias −55˚C to +125˚C
Junction Temperature under Bias −55˚C to +175˚C
Plastic −55˚C to +150˚C
V
CC
Pin Potential to
Ground Pin −0.5V to +7.0V
Input Voltage (Note 4) −0.5V to +7.0V
Input Current (Note 4) −30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with V
CC
=0V)
Standard Output −0.5V to V
CC
TRI-STATE®Output −0.5V to +5.5V
Current Applied to Output
in LOW State (Max) twice the rated I
OL
(mA)
ESD Last Passing Voltage (Min) 4000V
Recommended Operating
Conditions
Free Air Ambient Temperature
Military −55˚C to +125˚C
Commercial 0˚C to +70˚C
Supply Voltage
Military +4.5V to +5.5V
Commercial +4.5V to +5.5V
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.
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 −1.2 V Min I
IN
=−18 mA
V
OH
Output HIGH 54F 10%V
CC
2.5 I
OH
=−1 mA
Voltage 74F 10%V
CC
2.5 V Min I
OH
=−1 mA
74F 5%V
CC
2.7 I
OH
=−1 mA
V
OL
Output LOW 54F 10%V
CC
0.5 V Min I
OL
=20 mA
Voltage 74F 10%V
CC
0.5 I
OL
=20 mA
I
IH
Input HIGH 54F 20.0 µA Max V
IN
=2.7V
Current 74F 5.0
I
BVI
Input HIGH Current 54F 100 µA Max V
IN
=7.0V
Breakdown Test 74F 7.0
I
CEX
Output HIGH 54F 250 µA Max V
OUT
=V
CC
Leakage Current 74F 50
V
ID
Input Leakage 74F 4.75 V 0.0 I
ID
=1.9 µA
Test All Other Pins Grounded
I
OD
Output Leakage 74F 3.75 µA 0.0 V
IOD
=150 mV
Circuit Current All Other Pins Grounded
I
IL
Input LOW Current −0.6 mA Max V
IN
=0.5V
I
OS
Output Short-Circuit Current −60 −150 mA Max V
OUT
=0V
I
CCH
Power Supply Current 5.5 8.3 mA Max V
O
=HIGH
I
CCL
Power Supply Current 8.6 12.9 mA Max V
O
=LOW
AC Electrical Characteristics
See Section 0 for Waveforms and Load Configurations
74F 54F 74F
T
A
=+25˚C T
A
,V
CC
=Mil T
A
,V
CC
=Com Fig.
Symbol Parameter V
CC
=+5.0V C
L
=50 pF C
L
=50 pF Units No.
C
L
=50 pF
Min Typ Max Min Max Min Max
t
PLH
Propagation Delay 3.0 4.2 5.6 2.5 7.5 3.0 6.6 ns
kk
-
kk
t
PHL
A
n
,B
n
to O
n
2.5 4.0 5.3 2.0 7.5 2.5 6.3
3 www.national.com
PrintDate=1997/08/26 PrintTime=15:23:51 9460 ds009457 Rev. No. 1 cmserv Proof 3
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Extract
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