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
Ambient Temperature under Bias
Junction Temperature under Bias
Ceramic
V
CC
Pin Potential to
Ground Pin
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Any Output
in the Disable or Power-Off State
in the HIGH State
Current Applied to Output
−65˚C to +150˚C
−55˚C to +125˚C
−55˚C to +175˚C
−0.5V to +7.0V
−0.5V to +7.0V
−30 mA to +5.0 mA
−0.5V to +5.5V
−0.5V to V
CC
in LOW State (Max)
DC Latchup Source Current
Over Voltage Latchup (I/O)
twice the rated I
OL
(mA)
−500 mA
10V
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Supply Voltage
Military
Minimum Input Edge Rate
Data Input
Enable Input
Clock Input
−55˚C to +125˚C
+4.5V to +5.5V
(∆V/∆t)
50 mV/ns
20 mV/ns
100 mV/ns
DC Electrical Characteristics
Symbol
V
IH
V
IL
V
CD
V
OH
V
OL
V
ID
I
IH
Parameter
Min
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output LOW Voltage
Input Leakage Test
Input HIGH Current
54ABT
54ABT
54ABT
4.75
2.5
2.0
0.55
V
V
V
Min
Min
0.0
2.0
0.8
−1.2
ABT543
Typ
Max
V
V
V
Min
Recognized HIGH Signal
Recognized LOW Signal
I
IN
= −18 mA (Non I/O Pins)
I
OH
= −3 mA, (A
n
, B
n
)
I
OH
= −24 mA, (A
n
, B
n
)
I
OL
= 48 mA, (A
n
, B
n
)
I
ID
= 1.9 µA, (Non-I/O Pins)
All Other Pins Grounded
V
IN
= 2.7V (Non-I/O Pins)
(Note 3)
V
IN
= V
CC
(Non-I/O Pins)
V
IN
= 7.0V (Non-I/O Pins)
V
IN
= 5.5V (A
n
, B
n
)
V
IN
= 0.5V (Non-I/O
Pins)(Note 3)
V
IN
= 0.0V (Non-I/O Pins)
V
OUT
= 2.7V (A
n
, B
n
);
OEAB or CEAB = 2V
V
OUT
= 0.5V (A
n
, B
n
);
OEAB or CEAB = 2V
V
OUT
= 0V (A
n
, B
n
)
V
OUT
= V
CC
(A
n
, B
n
)
V
OUT
= 5.5V (A
n
, B
n
);
All Others GND
I
CCLH
I
CCL
I
CCZ
I
CCT
I
CCD
Power Supply Current
Power Supply Current
Power Supply Current
Additional I
CC
/Input
Dynamic I
CC
No Load
50
30
50
2.5
µA
mA
µA
mA
Max
Max
Max
Max
All Outputs HIGH
All Outputs LOW
Outputs TRI-STATE
All Others at V
CC
or GND
V
I
= V
CC
− 2.1V
All Others at V
CC
or GND
Outputs Open, CEAB
Units
V
CC
Conditions
5
µA
Max
I
BVI
I
BVIT
I
IL
Input HIGH Current Breakdown Test
Input HIGH Current
Breakdown Test (I/O)
Input LOW Current
7
100
µA
µA
Max
Max
−5
µA
Max
I
IH
+ I
OZH
I
IL
+ I
OZL
I
OS
I
CEX
I
ZZ
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
Output HIGH Leakage Current
Bus Drainage Test
−100
50
−50
−275
50
100
µA
µA
mA
µA
µA
0V–5.5V
0V–5.5V
Max
Max
0.0V
3
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