HA16117FA HITACHI [Hitachi Semiconductor], HA16117FA Datasheet - Page 11

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

4. With a 150 kHz P-RUN signal
P-RUN
RES
WD
C
C
Q
Q
A
B
C
R
F
When f
Therefore, C
falls to the comparator circuit threshold value (V
3.6 V
0.9 V
3.2 V
1.6 V
5 V
0 V
5 V
0 V
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
P-RUN
R
is 100 kHz or above, the WD duty (D = 100
is discharged, and the RES signal is output at the instant that the pin potential
t
1
2T
5 s
6.6 s (150 kHz)
TL
= 1.6 V).
(T
t
2
)/2T) is 25% or below.
HA16117F Series
11