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§Ctoa150§C
Ambient Temperature under Bias
b
55§Ctoa125§C
Junction Temperature under Bias
b
55§Ctoa175§C
Plastic
b
55§Ctoa150§C
V
CC
Pin Potential to
Ground Pin
b
0.5V toa7.0V
Input Voltage (Note 2)
b
0.5V toa7.0V
Input Current (Note 2)
b
30 mA toa5.0 mA
ESD Last Passing Voltage (Min) 4000V
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.
Voltage Applied to Output
in HIGH State (with V
CC
e
0V)
Standard Output
b
0.5V to V
CC
TRI-STATE Output
b
0.5V toa5.5V
Current Applied to Output
in LOW State (Max) twice the rated I
OL
(mA)
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
b
55§Ctoa125§C
Commercial 0
§
Ctoa70§C
Supply Voltage
Military
a
4.5V toa5.5V
Commercial
a
4.5V toa5.5V
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% VCC2.5 I
OH
eb
1mA(Q0,Q7, I/On)
Voltage 54F 10% VCC2.4 I
OH
eb
3 mA (I/On)
74F 10% V
CC
2.5
V Min
I
OH
eb
1mA(Q0,Q7, I/On)
74F 10% V
CC
2.4 I
OH
eb
3 mA (I/On)
74F 5% V
CC
2.7 I
OH
eb
1mA(Q0,Q7, I/On)
74F 5% V
CC
2.7 I
OH
eb
3 mA (I/On)
V
OL
Output LOW 54 10% V
CC
0.5 I
OL
e
20 mA
Voltage 74 10% V
CC
0.5 V Min I
OL
e
20 mA (Q0,Q7)
74 10% V
CC
0.5 I
OL
e
24 mA (I/On)
I
IH
Input HIGH 54F 20.0
mA Max
V
IN
e
2.7V (CP, DS0,DS7,S0,S1,
Current 74F 5.0 MR
,OE1,OE
2
)
I
BVI
Input HIGH Current 54F 100
mA Max
V
IN
e
7.0V (CP, DS0,DS7,S0,S1,
Breakdown Test 74F 7.0 MR
,OE1,OE2)
I
BVIT
Input HIGH Current 54F 1.0
mA Max
V
IN
e
5.5V (I/On)
Breakdown Test (I/O) 74F 0.5
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 (CP, DS0,DS7,MR,OE1,OE2)
b
1.2 V
IN
e
0.5V (S0,S1)
I
IH
a
Output Leakage Current
70 mA Max
V
I/O
e
2.7V (I/On)
I
OZH
I
IL
a
Output Leakage Current
b
650 mA Max
V
I/O
e
0.5V (I/On)
I
OZL
I
OS
Output Short-Circuit Current
b
60
b
150 mA Max V
OUT
e
0V
I
ZZ
Bus Drainage Test 500 mA 0.0V V
OUT
e
5.25V
I
CCH
Power Supply Current 68 95 mA Max V
O
e
HIGH
I
CCL
Power Supply Current 68 95 mA Max V
O
e
LOW
I
CCZ
Power Supply Current 68 95 mA Max V
O
e
HIGH Z
4