Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Recommended Operating
Conditions
Supply Voltage (VCC
)
’AC
2.0V to 6.0V
0V to VCC
0V to VCC
Supply Voltage (VCC
)
−0.5V to +7.0V
Input Voltage (VI)
DC Input Diode Current (IIK
)
Output Voltage (VO
)
=
VI −0.5V
−20 mA
+20 mA
Operating Temperature (TA)
54AC
=
VI VCC + 0.5V
−55˚C to +125˚C
DC Input Voltage (VI)
−0.5V to VCC + 0.5V
Minimum Input Edge Rate (∆V/∆t)
’AC Devices
DC Output Diode Current (IOK
)
=
VO −0.5V
−20 mA
+20 mA
% to 70% of V
VIN from 30
CC
=
VO VCC + 0.5V
@
VCC 3.3V, 4.5V, 5.5V
125 mV/ns
DC Output Voltage (VO
)
−0.5V to VCC + 0.5V
Note 1: Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, without
exception, to ensure that the system design is reliable over its power supply,
temperature, and output/input loading variables. National does not recom-
DC Output Source
or Sink Current (IO
±
±
)
50 mA
50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND
™
mend operation of FACT circuits outside databook specifications.
)
Storage Temperature (TSTG
)
−65˚C to +150˚C
Junction Temperature (TJ)
CDIP
175˚C
DC Characteristics for ’AC Family Devices
54AC
=
Symbol
Parameter
VCC
(V)
TA −55˚C to +125˚C
Units
Conditions
Guaranteed Limits
=
VIH
Minimum High Level
Input Voltage
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
2.1
3.15
3.85
0.9
VOUT 0.1V
V
V
V
or VCC − 0.1V
=
VIL
Maximum Low Level
Input Voltage
VOUT 0.1V
1.35
1.65
2.9
or VCC − 0.1V
=
IOUT −50 µA
VOH
Minimum High Level
Output Voltage
4.4
5.4
=
(Note 2) VIN VIL or VIH
3.0
4.5
5.5
3.0
4.5
5.5
2.4
3.7
4.7
0.1
0.1
0.1
−12 mA
IOH −24 mA
−24 mA
V
V
=
IOUT 50 µA
VOL
Maximum Low Level
Output Voltage
=
(Note 2) VIN VIL or VIH
3.0
4.5
5.5
5.5
0.5
0.5
0.5
12 mA
V
IOL 24 mA
24 mA
=
±
IIN
Maximum Input
Leakage Current
1.0
µA
VI VCC, GND
=
VOLD 1.65V Max
IOLD
IOHD
ICC
(Note 3) Minimum
Dynamic Output
Current
5.5
5.5
5.5
50
mA
mA
µA
=
VOHD 3.85V Min
−50
40.0
=
Maximum Quiescent
Supply Current
VIN VCC
or GND
Note 2: All outputs loaded; thresholds on input associated with output under test.
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.
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