54ac191 National Semiconductor Corporation, 54ac191 Datasheet - Page 5

• Manufacturer Part Number: 54ac191
• Description: Up/down Counter With Preset And Ripple Clock
• Manufacturer: National Semiconductor Corporation

V
V
V
V
I
I
I
I
Symbol
IN
OLD
OHD
CC
IH
IL
OH
OL
DC Characteristics for ’AC Family Devices
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
DC Input Diode Current (I
DC Input Voltage (V
DC Output Diode Current (I
DC Output Voltage (V
DC Output Source
DC V
Storage Temperature (T
V
V
V
V
or Sink Current (I
per Output Pin (I
I
I
O
O
= −0.5V
= V
CC
= −0.5V
= V
CC
or Ground Current
Minimum High Level Input
Voltage
Maximum Low Level Input
Voltage
Minimum High Level Output
Voltage
Maximum Low Level Output
Voltage
Maximum Input
Leakage Current
(Note 3) Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
CC
+ 0.5V
+ 0.5V
CC
Parameter
CC
O
I
)
)
)
O
or I
)
STG
GND
IK
)
OK
)
)
)
−0.5V to V
−0.5V to V
−65˚C to +150˚C
V
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
5.5
5.5
5.5
5.5
(V)
−0.5V to +7.0V
CC
(Note 1)
CC
CC
±
±
−20 mA
+20 mA
−20 mA
+20 mA
+ 0.5V
+ 0.5V
50 mA
50 mA
T
A
Guaranteed Limits
= −55˚C to +125˚C
5
54AC
±
Junction Temperature (T
Recommended Operating
Conditions
Supply Voltage (V
Input Voltage (V
Output Voltage (V
Operating Temperature (T
Minimum Input Edge Rate ( V/ t)
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, output/input loading variables. National does not recommend
operation of FACT
3.15
3.85
1.35
1.65
0.50
0.50
0.50
80.0
−50
2.1
0.9
2.9
4.4
5.4
2.4
3.7
4.7
0.1
0.1
0.1
50
1.0
CDIP
54AC
’AC Devices
V
V
IN
CC
from 30% to 70% of V
@
3.3V 4.5V, 5.5V
™
I
circuits outside databook specifications.
)
O
CC
)
)
Units
mA
mA
µA
µA
J
V
V
V
V
V
V
)
A
)
CC
V
or V
V
or V
I
(Note 2) V
or V
I
(Note 2) V
or V
V
V
V
V
or GND
OUT
OUT
OUT
OUT
I
OLD
OHD
IN
= V
CC
CC
IH
IH
= V
= −50 µA
= 50 µA
= 1.65V Max
= 0.1V
= 0.1V
= 3.85V Min
CC
− 0.1V
− 0.1V
CC
Conditions
, GND
IN
IN
−55˚C to +125˚C
= V
= V
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2.0V to 6.0V
IL
IL
125 mV/ns
I
0V to V
0V to V
OH
I
OL
−12 mA
−24 mA
−24 mA
175˚C
12 mA
24 mA
24 mA
CC
CC