MM74HC597 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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MM74HC597 Datasheet PDF : 8 Pages
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AC Electrical Characteristics (Continued)
Symbol
Parameter
Conditions
VCC
TA = 25°C
Typ
TA=−40 to 85°C TA=−55 to 125°C Units
Guaranteed Limits
tS
Minimum Setup Time
from Inputs A thru H
2.0V
4.5V
100
125
20
25
150
30
ns
to RCK
6.0V
17
21
25
tH
Minimum Hold Time
2.0V
4.5V
0
0
0
0
0
0
ns
6.0V
0
0
0
tW
Minimum Pulse Width
SCK, RCK, SCLR, SLOAD
2.0V
30
80
100
4.5V
9
16
20
120
24
ns
6.0V
8
14
18
20
tr, tf
Maximum Input Rise and
Fall Time
2.0V
4.5V
1000
500
1000
500
1000
500
ns
6.0V
400
400
400
tTHL, tTLH
Maximum Output
Rise and Fall Time
2.0V
30
75
95
4.5V
10
15
19
110
22
ns
6.0V
8
13
16
19
tTHL, tTLH
Maximum Output
Rise and Fall Time
2.0V
4.5V
75
95
15
19
110
22
ns
6.0V
13
16
19
CPD
Power Dissipation
87
pF
Capacitance, Outputs (Note 7)
CIN
Maximum Input
Capacitance
5
10
10
10
pF
COUT
Maximum Output
Capacitance
15
20
20
20
pF
Note 7: 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.
5
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