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CD74AC74 Datasheet, PDF (5/8 Pages) Texas Instruments – Dual D-Type Flip-Flop with Set and Reset Positive-Edge-Triggered
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CD74AC74, CD74ACT74
Prerequisite For Switching Function
PARAMETER
AC TYPES
Data to CP Setup Time
Hold Time
Removal Time, R, S to CP
Pulse Width, R, S
Pulse Width, CP
CP Frequency
ACT TYPES
Data to CP Setup Time
Hold Time
Removal Time, R, S to CP
Pulse Width, R, S
Pulse Width, CP
CP Frequency
NOTES:
11. 3.3V Min at 3.6V.
12. 5V Min at 4.5V.
SYMBOL
VCC (V)
tSU
tH
tREM
tW
tW
fMAX
1.5
3.3 (Note 11)
5 (Note 12)
1.5
3.3
5
1.5
3.3
5
1.5
3.3
5
1.5
3.3
5
1.5
3.3
5
tSU
tH
tREM
tW
tW
fMAX
5 (Note 12)
5
5
5
5
5
-40oC TO 85oC
MIN
MAX
39
-
4.3
-
3.1
-
0
-
0
-
0
-
30
-
4.1
-
2.4
-
44
-
4.9
-
3.5
-
49
-
5.5
-
3.9
-
10
-
90
-
125
-
3.5
-
0
-
2.4
-
4.4
-
5
-
97
-
-55oC TO 125oC
MIN
MAX
UNITS
44
-
ns
4.9
-
ns
3.5
-
ns
0
-
ns
0
-
ns
0
-
ns
34
-
ns
4.7
-
ns
2.7
-
ns
50
-
ns
5.6
-
ns
4
-
ns
56
-
ns
6.3
-
ns
4.5
-
ns
9
-
MHz
79
-
MHz
110
-
MHz
4
-
ns
0
-
ns
2.7
-
ns
5
-
ns
5.7
-
ns
85
-
MHz
Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case)
-40oC TO 85oC
PARAMETER
AC TYPES
SYMBOL
VCC (V)
MIN
TYP MAX
Propagation Delay, CP to Q, Q tPLH, tPHL
1.5
-
3.3
3.6
(Note 14)
-
114
-
12.7
5
2.6
(Note 15)
-
9.1
-55oC TO 125oC
MIN
TYP
MAX
UNITS
-
-
125
ns
3.5
-
14
ns
2.5
-
10
ns
5
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