MM74HC174 Просмотр технического описания (PDF) - Fairchild Semiconductor
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MM74HC174 Datasheet PDF : 7 Pages
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AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15pF, tr = tf = 6 ns
Symbol
Parameter
fMAX
tPHL, tPLH
tREM
tS
tH
tW
Maximum Operating
Frequency
Maximum Propagation
Delay, Clock or Clear to Output
Minimum Removal Time,
Clear to Clock
Minimum Setup Time
Data to Clock
Minimum Hold Time
Clock to Data
Minimum Pulse Width
Clock or Clear
Conditions
Guaranteed
Typ
Units
Limit
50
30
MHz
16
30
ns
−2
5
ns
10
20
ns
0
5
ns
10
16
ns
AC Electrical Characteristics
CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)
Symbol
Parameter
Conditions
VCC
TA = 25°C
Typ
TA = −40 to 85°C TA = −55 to 125°C Units
Guaranteed Limits
fMAX
Maximum Operating
Frequency
2.0V
4.5V
5
4
27
21
3
MHz
18
MHz
6.0V
31
24
20
MHz
tPHL, tPLH Maximum Propagation
Delay Clock or Clear to Output
2.0V
55
165
206
4.5V
18
33
41
248
ns
49
ns
6.0V
16
28
35
42
ns
tREM
Minimum Removal Time
Clear to Clock
2.0V
1
5
5
4.5V
1
5
5
5
ns
5
ns
6.0V
1
5
5
5
ns
tS
Minimum Setup Time
Data to Clock
2.0V
42
100
125
4.5V
12
20
25
150
ns
30
ns
6.0V
10
17
21
25
ns
tH
Minimum Hold Time
Clock to Data
2.0V
1
5
5
4.5V
1
5
5
5
ns
5
ns
6.0V
1
5
5
5
ns
tW
Minimum Pulse Width
Clock or Clear
2.0V
35
80
106
4.5V
10
16
20
120
ns
24
ns
6.0V
8
14
18
20
ns
tTLH, tTHL Maximum Output Rise
and Fall Time
2.0V
30
75
95
4.5V
8
15
19
110
ns
22
ns
6.0V
7
13
16
19
ns
tr, tf
Maximum Input Rise and
Fall Time
2.0V
4.5V
1000
500
1000
500
1000
ns
500
ns
6.0V
400
400
400
ns
CPD
Power Dissipation
(per package)
136
pF
Capacitance (Note 5)
CIN
Maximum Input
Capacitance
5
10
10
10
pF
Note 5: CPD determines the no load dynamic power consumption, PD = CPD VCC2 f + ICC VCC, and the no load dynamic current consumption,
IS = CPD VCC f + ICC.
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