Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
DC Latchup Source Current
Over Voltage Latchup (I/O)
−500 mA
10V
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
Supply Voltage
Military
−55˚C to +175˚C
VCC Pin Potential to
Ground Pin
−55˚C to +125˚C
−0.5V to +7.0V
−0.5V to +7.0V
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Any Output
in the Disabled or
+4.5V to +5.5V
(∆V/∆t)
−30 mA to +5.0 mA
Minimum Input Edge Rate
Data Input
50 mV/ns
Enable Input
20 mV/ns
Power-off State
−0.5V to 5.5V
−0.5V to VCC
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.
in the HIGH State
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol
Parameter
ABT16245
Units
VCC
Conditions
Min Typ Max
VIH
Input HIGH Voltage
2.0
V
V
Recognized HIGH Signal
Recognized LOW Signal
IIN = −18 mA (OEn, T/Rn)
IOH = −3 mA (An, Bn)
VIL
Input LOW Voltage
0.8
VCD
VOH
Input Clamp Diode Voltage
Output HIGH Voltage
−1.2
V
Min
Min
Min
Min
Max
54ABT 2.5
V
54ABT 2.0
54ABT
V
IOH = −24 mA (An, Bn)
IOL = 48 mA (An, Bn)
VOL
IIH
Output LOW Voltage
Input HIGH Current
0.55
V
5
5
7
µA
VIN = 2.7V (OEn, T/Rn) (Note 3)
VIN = VCC (OEn, T/Rn)
VIN = 7.0V (OEn, T/Rn)
IBVI
IBVIT
IIL
Input HIGH Current
Breakdown Test
µA
µA
µA
V
Max
Max
Max
0.0
Input HIGH Current
Breakdown Test (I/O)
Input LOW Current
100
VIN = 5.5V (An, Bn)
−5
−5
VIN = 0.5V (OEn, T/Rn) (Note 3)
VIN = 0.0V (OEn, T/Rn)
VID
Input Leakage Test
4.75
IID = 1.9 µA (OEn, T/Rn)
All Other Pins Grounded
IIH + I
OZH
Output Leakage Current
Output Leakage Current
50
µA
µA
0 −
5.5V
VOUT = 2.7V (An, Bn); OE = 2.0V
IIL + I
OZL
−50
0 −
5.5V
VOUT = 0.5V (An, Bn); OE = 2.0V
VOUT = 0.0V (An, Bn)
IOS
ICEX
IZZ
Output Short-Circuit Current
Output High Leakage Current
Bus Drainage Test
−100
−275
50
mA
µA
µA
Max
Max
0.0
VOUT = V
(An, Bn)
CC
100
VOUT = 5.50V (An, Bn);
All Others GND
ICCH
ICCL
ICCZ
Power Supply Current
Power Supply Current
Power Supply Current
100
60
µA
mA
µA
Max
Max
Max
All Outputs HIGH
All Outputs LOW
100
OEn = VCC, T/Rn = GND or VCC
All others at VCC or GND
ICCT
Additional ICC/Input
Outputs Enabled
Outputs TRI-STATE
Outputs TRI-STATE
2.5
2.5
50
mA
mA
µA
VI = V
− 2.1V
CC
Max
OEn, T/ Rn VI = VCC − 2.1V
Data Input VI = VCC − 2.1V
All others at VCC or GND
3
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