CD4020BCNX Просмотр технического описания (PDF) - Fairchild Semiconductor
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CD4020BCNX Datasheet PDF : 9 Pages
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AC Electrical Characteristics (Note 4)
CD4020BC, CD4040BC TA = 25°C, CL = 50 pF, RL = 200k, tr = tf = 20 ns, unless otherwise noted
Symbol
Parameter
Conditions
Min
Typ
tPHL1, tPLH1
Propagation Delay Time to Q1
VDD = 5V
VDD = 10V
VDD = 15V
tPHL, tPLH
Interstage Propagation Delay Time VDD = 5V
from Qn to Qn+1
VDD = 10V
VDD = 15V
tTHL, tTLH
Transition Time
VDD = 5V
VDD = 10V
VDD = 15V
tWL, tWH
Minimum Clock Pulse Width
VDD = 5V
VDD = 10V
VDD = 15V
trCL, tfCL
Maximum Clock Rise and Fall Time VDD = 5V
VDD = 10V
VDD = 15V
fCL
Maximum Clock Frequency
VDD = 5V
VDD = 10V
VDD = 15V
tPHL(R)
Reset Propagation Delay
VDD = 5V
VDD = 10V
VDD = 15V
tWH(R)
Minimum Reset Pulse Width
VDD = 5V
VDD = 10V
VDD = 15V
CIN
Average Input Capacitance
Any Input
CPD
Power Dissipation Capacitance
Note 4: AC Parameters are guaranteed by DC correlated testing.
250
100
75
150
60
45
100
50
40
125
50
40
1.5
4
4
10
5
12
200
100
80
200
100
80
5
50
Max
550
210
150
330
125
90
200
100
80
335
125
100
No Limit
No Limit
No Limit
450
210
170
450
210
170
7.5
Units
ns
ns
ns
ns
ns
MHz
ns
ns
pF
pF
5
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