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74ACT74 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. 74ACT74
Description  DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
Download  11 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74ACT74 Datasheet(HTML) 4 Page - STMicroelectronics

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74ACT74
4/12
DC SPECIFICATIONS
1) Maximum test duration 2ms, one output loaded at time
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
(*) Voltage range is 5.0V
± 0.5V
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
4.5
VO = 0.1 V or
VCC-0.1V
2.0
1.5
2.0
2.0
V
5.5
2.0
1.5
2.0
2.0
VIL
Low Level Input
Voltage
4.5
VO = 0.1 V or
VCC-0.1V
1.5
0.8
0.8
0.8
5.5
1.5
0.8
0.8
0.8
V
VOH
High Level Output
Voltage
4.5
IO=-50 µA
4.4
4.49
4.4
4.4
5.5
IO=-50 µA
5.4
5.49
5.4
5.4
4.5
IO=-24 mA
3.86
3.76
3.7
V
5.5
IO=-24 mA
4.86
4.76
4.7
VOL
Low Level Output
Voltage
4.5
IO=50 µA
0.001
0.1
0.1
0.1
5.5
IO=50 µA
0.001
0.1
0.1
0.1
4.5
IO=24 mA
0.36
0.44
0.5
5.5
IO=24 mA
0.36
0.44
0.5
II
Input Leakage Cur-
rent
5.5
VI = VCC or GND
± 0.1
± 1
± 1
µA
ICCT
Max ICC/Input
5.5
VI = VCC - 2.1V
0.6
1.5
1.6
mA
ICC
Quiescent Supply
Current
5.5
VI = VCC or GND
440
40
µA
IOLD
Dynamic Output
Current (note 1, 2)
5.5
VOLD = 1.65 V max
75
50
mA
IOHD
VOHD = 3.85 V min
-75
-50
mA
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH tPHL Propagation Delay
Time CK to Q or Q
5.0(*)
5.0
10.0
11.0
11.0
ns
tPLH tPHL Propagation Delay
Time PR or CLR to
Q or Q
5.0(*)
5.0
10.0
11.0
11.0
ns
tW
Pulse Width HIGH
or LOW, CK or PR
or CLR
5.0(*)
1.5
5.0
6.0
6.0
ns
ts
Setup Time D to CK
HIGH or LOW
5.0(*)
0.5
3.0
3.5
3.5
ns
th
Hold Time D to CK
HIGH or LOW
5.0(*)
-0.5
1.0
1.0
1.0
ns
tREM
Removal Tim|
PR or CLR to CK
5.0(*)
-0.7
1.0
1.0
1.0
ns
fMAX
Maximum Clock
Frequency
5.0(*)
100
250
85
85
MHz


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