HA16117FA HITACHI [Hitachi Semiconductor], HA16117FA Datasheet - Page 10

• Manufacturer Part Number: HA16117FA
• Description: CMOS Watchdog Timer
• Manufacturer: HITACHI [Hitachi Semiconductor]

HA16117F Series
3. With a 10 kHz P-RUN signal
10
P-RUN
RES
WD
C
C
Q
Q
C
A
B
R
F
3.6 V
0.9 V
3.2 V
1.6 V
5 V
0 V
5 V
0 V
When f
25%, the multivibrator (power-on and auto-reset circuit) does not oscillate. The RES signal
remains high.
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
P-RUN
is 10 kHz, the WD duty (D = 100
100 s (10 kHz)
t
1
5 s
(T
2T
t
2
)/2T) is 48%. As the duty is above