MC74HC4538A
1.1
1.05
1
0.95
0.9
VCC = 6 V
Rx = 10 kΩ
Cx = 0.1 µF
0.85
VCC = 3 V
0.8
–75 –50 –25 0
25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Normalized Output Pulse Width versus Power Supply Voltage
1.03
1.02
1.01
Rx = 10 kΩ
Cx = 0.1 µF
1
0.99
VCC = 5.5 V
0.98
VCC = 5 V
VCC = 4.5 V
0.97
–75 –50 –25 0 25
50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Normalized Output Pulse Width versus Power Supply Voltage
tw(H)
50%
A
B
50%
tw(L)
tPLH
τ
50%
Q
tPHL
τ
Q
50%
tPLH
τ
tPHL
τ
Figure 8. Switching Waveform
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7
VCC
GND
VCC
GND