IW4020B Просмотр технического описания (PDF) - Estek Electronics Co. Ltd
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IW4020B Datasheet PDF : 6 Pages
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AC Electrical Characteristics
Symbol
Parameter
fmax Maximum Clock Frequency(Figure 1)
tPLH , tPHL Maximum Propagation Delay, Clock to Q1
(Figure 1)
tPLH , tPHL Maximum Propagation Delay, Qn to Qn+1
(Figure 3)
tPHL Maximum Propagation Delay, Reset to Any Q
(Figure 2)
tTLH , tTHL Maximum Output Transiti on Ti me, Any Output
(Figure 1)
CIN Maximum Input Capacitance
IW4020B
(CL=50pF, RL=200 k , Input t r =t f =20
ns)
VCC
Guaranteed Li mit
V
5.0
≥-55°C
3.5
25°C ≤125°C
3.5
1.75
MUHnzit
10
8
8
4
15
12
12
6
5.0 360
360
720
ns
10 160
160
320
ns
15 130
130
260
ns
5.0 330
330
660
ns
10
80
80
160
15
60
60
120
5.0 280
280
560
10 120
120
240
15 100
100
200
5.0 200
200
400
10 100
100
200
15
80
80
160
-
7.5
pF
Timing
Requirements
Symbol
Parameter
Unit
tw
Minimum Pulse Width, Clock (Figure 1)
tw
Minimum PulseWidth, Reset ( Figure 2)
trem Minimum Removal Time, Reset(Figure 2)
tr, tf Maximum Input Rise and Fall Tim es, Clock
(Figure 1)
(CL=50pF, RL=200 k , Input t r =t f =20
ns)
V
V
≥-55°GCuarante2ed5°LCim≤it 125°C
5.0 140
140
280
ns
10
60
60
120
ns
15
40
40
80
ns
5.0 200
200
400
10
80
80
160
15
60
60
120
5.0 350
350
700
10 150
150
300
15 100
100
200
5.0
µs
10
Unli mited
15
BEIJING ESTEK ELECTRONICS CO.,LTD
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