IW4518BN 查看數據表（PDF） - Unspecified
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IW4518BN Datasheet PDF : 5 Pages
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IW4518B
AC ELECTRICAL CHARACTERISTICS(CL=50pF, RL=200kΩ, Input tr=tf=20 ns)
Symbol
Parameter
VCC
Guaranteed Limit
V ≥-55°C 25°C ≤125°C
fmax Maximum Clock Frequency, (Figure 1)
5.0 1.5
10
3
15
4
1.5
0.75
3
1.5
4
2
tPHL, tPLH Maximum Propagation Delay, Clock or Enable 5.0 560
to Output (Figures 1,3)
10 230
15 160
560
1120
230
460
160
320
tPHL Maximum Propagation Delay, Reset to Output 5.0 650
(Figure 2)
10 225
15 170
650
1300
225
450
170
340
tTHL, tTLH Maximum Output Transition Time, Any Output 5.0 200
200
400
(Figure 1)
10 100
100
200
15
80
80
160
CIN Maximum Input Capacitance
-
7.5
Unit
MHz
ns
ns
ns
pF
TIMING REQUIREMENTS(CL=50pF, RL=200 kΩ, Input tr=tf=20 ns)
Symbol
Parameter
tw
Minimum Pulse Width, Clock (Figure 1)
tw
Minimum Pulse Width, Reset (Figure 2)
tw
Minimum Pulse Width, Enable (Figure 3)
tr, tf Maximum Input Rise and Fall Times
(Figure 1)
VCC
Guaranteed Limit
V ≥-55°C 25°C ≤125°C Unit
5.0 200
200
400
ns
10 100
100
200
15
70
70
140
5.0 250
250
500
ns
10 110
110
220
15
80
80
160
5.0 400
400
800
ns
10 200
200
400
15 140
140
280
5.0
15
15
15
µs
10
5
5
5
15
5
5
5
Figure 1. Switching Waveforms
166
Figure 2. Switching Waveforms
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