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
4.5V to 5.5V
0V to VCC
Supply Voltage (VCC
)
−0.5V to +7.0V
’ACT
DC Input Diode Current (IIK
VI = −0.5V
)
Input Voltage (VI)
Output Voltage (VO)
−20 mA
+20 mA
0V to VCC
VI = VCC + 0.5V
Operating Temperature (TA)
54AC/ACT
DC Input Voltage (VI)
−0.5V to VCC + 0.5V
−55˚C to +125˚C
125 mV/ns
DC Output Diode Current (IOK
VO = −0.5V
)
Minimum Input Edge Rate (∆V/∆t)
’AC Devices
−20 mA
+20 mA
VO = VCC + 0.5V
VIN from 30% to 70% of VCC
DC Output Voltage (VO)
DC Output Source
−0.5V to VCC + 0.5V
@
VCC 3.3V, 4.5V, 5.5V
Minimum Input Edge Rate (∆V/∆t)
’ACT Devices
±
±
or Sink Current (IO)
DC VCC or Ground Current
50 mA
50 mA
VIN from 0.8V to 2.0V
per Output Pin (ICC or IGND
)
@
VCC 4.5V, 5.5V
125 mV/ns
Storage Temperature (TSTG
Junction Temperature (TJ)
CDIP
)
−65˚C to +150˚C
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-
175˚C
™
mend operation of FACT circuits outside databook specifications.
DC Characteristics for ’AC Family Devices
54AC
Symbol
Parameter
VCC
(V)
TA
=
Units
Conditions
−55˚C to +125˚C
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
VOH
Minimum High Level
Output Voltage
IOUT = −50 µA
4.4
5.4
(Note 2)
VIN = VILor 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
IOH = −12 mA
IOH = −24 mA
IOH = −24 mA
IOUT = 50 µA
V
V
VOL
Maximum Low Level
Output Voltage
(Note 2)
VIN = VILor VIH
3.0
4.5
5.5
5.5
0.50
0.50
0.50
IOL = 12 mA
IOL = 24 mA
IOL = 24 mA
VI = VCC, GND
A Inputs Only
VI = VCC
V
±
IIN
Maximum Input
1.0
µA
µA
Leakage Current
Maximum Input
IIH
5.5
20.0
High Leakage Current
B Inputs Only
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