MM74HC574 Просмотр технического описания (PDF) - Fairchild Semiconductor
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MM74HC574 Datasheet PDF : 8 Pages
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AC Electrical Characteristics
VCC 5V, TA 25qC, tr tf 6 ns
Symbol
Parameter
Conditions
fMAX
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
tS
tH
tW
Maximum Operating Frequency
Maximum Propagation Delay, Clock to Q CL 45 pF
Maximum Output Enable Time
RL 1 k:
CL 45 pF
Maximum Output Disable Time
RL 1 k:
CL 5 pF
Minimum Setup Time, Data to Clock
Minimum Hold Time, Clock to Data
Minimum Pulse Clock Width
Guaranteed
Typ
Units
Limit
60
33
MHz
17
27
ns
19
28
ns
14
25
ns
10
12
ns
3
5
ns
8
15
ns
AC Electrical Characteristics
VCC 2.0 6.0V, CL 50 pF, tr tf 6 ns (unless otherwise specified)
Symbol
Parameter
Conditions
VCC
fMAX
Maximum Operating Frequency CL 50 pF
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
Maximum Propagation
Delay, Clock to Q
Maximum Output Enable
Time
Maximum Output Disable Time
CL 50 pF
CL 150 pF
CL 50 pF
CL 150 pF
CL 50 pF
CL 150 pF
RL 1 k:
CL 50 pF
CL 150 pF
CL 50 pF
CL 150 pF
CL 50 pF
CL 150 pF
RL 1 k:
CL 50 pF
tS
Minimum Setup Time
Data to Clock
tH
Minimum Hold Time
Clock to Data
tTHL, tTLH
Maximum Output Rise
and Fall Time
CL 50 pF
tW
Minimum Clock Pulse Width
tr,tf
Maximum Clock Input Rise
and Fall Time
CPD
Power Dissipation Capacitance OC VCC
(Note 5) (per latch)
OC GND
CIN
Maximum Input Capacitance
2.0V
4.5V
6.0V
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
TA 25qC
Typ
33
30
35
18
30
51
155
13
23
19
31
12
20
18
27
22
30
59
180
14
28
20
36
12
24
18
31
15
30
12
25
10
21
6
12
20
17
1
5
0
0
6
12
7
12
6
10
30
15
9
16
8
14
1000
500
400
5
58
5
10
TA 40 to 85qC TA 55 to 125qC
Guaranteed Limits
28
23
24
20
28
23
38
45
194
233
29
35
47
47
25
30
34
41
Units
MHz
ns
ns
ns
38
225
35
45
30
39
38
31
27
15
25
21
6
0
0
15
15
13
20
20
18
1000
500
400
10
45
ns
270
42
ns
54
36
ns
47
45
38
ns
32
18
30
ns
25
8
0
ns
0
18
18
ns
15
24
24
ns
20
1000
500
ns
400
pF
10
pF
3
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