Absolute Maximum Ratings (Note 3)
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
Commercial 0˚C to +70˚C
Supply Voltage
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 1.9 2.8 mA Max V
O
=
HIGH
I
CCL
Power Supply Current 6.8 10.2 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 2.4 3.7 5.0 2.0 7.0 2.4 6.0 ns
kk
-
kk
t
PHL
A
n
,B
n
to O
n
1.5 3.2 4.3 1.5 6.5 1.5 5.3
3 www.national.com
PrintDate=1997/08/27 PrintTime=13:03:42 9738 ds009454 Rev. No. 1 cmserv Proof 3
Book
Extract
End
DSXXX
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