Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
DC Latchup Source Current:
OE Pin
−150 mA
(Across Comm Operating Range)
Other Pins
−500 mA
10V
Over Voltage Latchup (I/O)
Storage Temperature
Ambient Temperature under Bias
Junction Temperature under Bias
Ceramic
−65˚C to +150˚C
−55˚C to +125˚C
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
−55˚C to +175˚C
VCC Pin Potential to
Ground Pin
−0.5V to +7.0V
−0.5V to +7.0V
−55˚C to +125˚C
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Any Output
in the Disabled or
Supply Voltage
Military
−30 mA to +5.0 mA
+4.5V to +5.5V
(∆V/∆t)
Minimum Input Edge Rate
Data Input
50 mV/ns
20 mV/ns
100mV/ns
Power-Off State
−0.5V to 5.5V
−0.5V to VCC
Enable Input
in the HIGH State
Clock Input
Current Applied to Output
in LOW State (Max)
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.
twice the rated IOL (mA)
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol
Parameter
ABT374
Units
VCC
Conditions
Min Typ Max
VIH
Input HIGH Voltage
2.0
V
V
Recognized HIGH Signal
Recognized LOW Signal
VIL
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
0.8
=
IIN −18 mA
VCD
VOH
−1.2
V
Min
Min
Min
Min
Max
=
IOH −3 mA
54ABT 2.5
V
=
IOH −24 mA
Voltage
54ABT 2.0
54ABT
V
=
IOL 48 mA
VOL
IIH
Output LOW Voltage
Input HIGH Current
0.55
5
V
=
VIN 2.7V (Note 4)
µA
=
VIN VCC
5
=
VIN 7.0V
IBVI
IIL
Input HIGH Current Breakdown Test
Input LOW Current
7
µA
µA
Max
Max
=
VIN 0.5V (Note 4)
−5
−5
=
VIN 0.0V
=
VID
Input Leakage Test
4.75
V
0.0
IID 1.9 µA
All Other Pins Grounded
= =
0 − 5.5V VOUT 2.7V; OE 2.0V
IOZH
IOZL
IOS
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
Output High Leakage Current
Bus Drainage Test
50
−50
−275
50
µA
µA
mA
µA
µA
=
=
0 − 5.5V VOUT 0.5V; OE 2.0V
=
VOUT 0.0V
−100
Max
Max
0.0
=
VOUT VCC
ICEX
IZZ
=
100
VOUT 5.5V; All Others VCC or
GND
ICCH
ICCL
ICCZ
Power Supply Current
Power Supply Current
Power Supply Current
50
30
50
µA
mA
µA
Max
Max
Max
All Outputs HIGH
All Outputs LOW
=
OE VCC; All Others at VCC or
GND
=
VI VCC − 2.1V
ICCT
Additional
ICC/Input
Outputs Enabled
2.5
mA
=
Enable Input VI VCC − 2.1V
Outputs TRI-STATE
Outputs TRI-STATE
2.5
2.5
mA
mA
Max
=
Data Input VI VCC − 2.1V
All Others at VCC or GND
3
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