MC74HC4538A
1.1
1.05
1
V
= 6 V
R = 10 kW
C = 0.1 mF
x
CC
x
0.95
0.9
0.85
0.8
V
= 3 V
CC
−75 −50 −25
0
25
50
75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
Figure 6. Normalized Output Pulse Width versus Power Supply Voltage
1.03
1.02
1.01
1
R = 10 kW
x
C = 0.1 mF
x
V
= 5.5 V
CC
0.99
V
= 5 V
CC
0.98
0.97
V
= 4.5 V
CC
−75 −50 −25
0
25
50
75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
Figure 7. Normalized Output Pulse Width versus Power Supply Voltage
t
w(H)
V
CC
50%
A
B
GND
t
w(L)
V
CC
50%
GND
t
t
PLH
τ
τ
PLH
50%
Q
Q
t
t
τ
τ
PHL
PHL
50%
Figure 8. Switching Waveform
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