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MC74HC175A Datasheet, PDF (4/8 Pages) ON Semiconductor – Quad D Flip-Flop with Common Clock and Reset | |||
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MC74HC175A
TIMING REQUIREMENTS (Input tr = tf = 6 ns)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tsu
Parameter
Minimum Setup Time, Data to Clock
(Figure 3)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ th
Minimum Hold Time, Clock to Data
(Figure 3)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ trec
Minimum Recovery Time, Reset Inactive to Clock
(Figure 2)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tw
Minimum Pulse Width, Clock
(Figure 1)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tw
Minimum Pulse Width, Reset
(Figure 2)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tr, tf
Maximum Input Rise and Fall Times
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ (Figure 1)
VCC
V
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
2.0
3.0
4.5
6.0
Guaranteed Limit
v v â 55 to
25_C
85_C
125_C Unit
100
125
150
ns
45
65
85
20
25
30
17
21
26
3
3
3
ns
3
3
3
3
3
3
3
3
3
100
125
150
ns
45
65
85
20
25
30
17
21
26
80
100
120
ns
45
65
85
16
20
24
14
17
20
80
100
120
ns
45
65
85
16
20
24
14
17
20
1000
1000
1000
ns
800
800
800
500
500
500
400
400
400
NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola HighâSpeed CMOS Data Book (DL129/D).
MOTOROLA
4
ECLinPS and ECLinPS Lite
DL140 â Rev 3
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