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54AC74 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54AC74
Description  Dual D-Type Positive Edge-Triggered Flip-Flop
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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54AC74 Datasheet(HTML) 3 Page - National Semiconductor (TI)

   
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
CC)
−0.5V to +7.0V
DC Input Diode Current (I
IK)
V
I = −0.5V
−20 mA
V
I =VCC + 0.5V
+20 mA
DC Input Voltage (V
I)
−0.5V to V
CC + 0.5V
DC Output Diode Current (I
OK)
V
O = −0.5V
−20 mA
V
O =VCC + 0.5V
+20 mA
DC Output Voltage (V
O)
−0.5V to V
CC + 0.5V
DC Output Source
or Sink Current (I
O)
±50 mA
DC V
CC or Ground Current
per Output Pin (I
CC or IGND)
±50 mA
Storage Temperature (T
STG)
−65˚C to +150˚C
Junction Temperature (T
J)
CDIP
175˚C
Recommended Operating
Conditions
Supply Voltage (V
CC)
’AC
2.0V to 6.0V
’ACT
4.5V to 5.5V
Input Voltage (V
I)
0VtoV
CC
Output Voltage (V
O)
0VtoV
CC
Operating Temperature (T
A)
54AC/ACT
−55˚C to +125˚C
Minimum Input Edge Rate (
∆V/∆t)
’AC Devices
V
IN from 30% to 70% of VCC
V
CC @ 3.3V, 4.5V, 5.5V
125 mV/ns
Minimum Input Edge Rate (
∆V/∆t)
’ACT Devices
V
IN from 0.8V to 2.0V
V
CC @ 4.5V, 5.5V
125 mV/ns
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-
mend operation of FACT® circuits outside databook specifications.
DC Characteristics for ’AC Family Devices
54AC
Symbol
Parameter
V
CC
T
A =
Units
Conditions
(V)
−55˚C to +125˚C
Guaranteed
Limits
V
IH
Minimum High
3.0
2.1
V
OUT = 0.1V
Level Input
4.5
3.15
V
or V
CC − 0.1V
Voltage
5.5
3.85
V
IL
Maximum Low
3.0
0.9
V
OUT = 0.1V
Level Input
4.5
1.35
V
or V
CC − 0.1V
Voltage
5.5
1.65
V
OH
Minimum High
3.0
2.9
I
OUT = −50 µA
Level Output
4.5
4.4
V
Voltage
5.5
5.4
(Note 2)
V
IN =VIL or VIH
3.0
2.4
−12 mA
4.5
3.7
V
I
OH
−24 mA
5.5
4.7
−24 mA
V
OL
Maximum Low
3.0
0.1
I
OUT =50 µA
Level Output
4.5
0.1
V
Voltage
5.5
0.1
(Note 2)
V
IN =VIL or VIH
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