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HA16117F Datasheet, PDF (24/31 Pages) Hitachi Semiconductor – CMOS Watchdog Timer
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HA16117F Series
Power-on Reset Time vs. CR Capacitance
1
Ta = 25°C
100 m
10 m
1m
0.01 µ
0.1 µ
1.0 µ
External capacitance CR (F)
5V
0.01 µ
VCC
Tadj
P-RUN ACC
510 k
750 k
CF
CR
CR
GND
RES
Oscilloscope
VCC
RES
tON
Test circuit
RES Output Timing vs. CR Capacitance
1
Ta = 25°C
100 m
tRH
5V
tRL
0.01 µ
10 m
1m
0.01 µ
0.1 µ
1.0 µ
External capacitance CR (F)
VCC
Tadj
P-RUN ACC
CF
CR
CR
GND
RES
5V
RES 0 V
510 k
750 k
Oscilloscope
tRH
Test circuit
24
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