HA16117FA HITACHI [Hitachi Semiconductor], HA16117FA Datasheet - Page 8

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

HA16117F Series
1. When P-RUN signal is not input
8
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
The watchdog filter circuit output (WD) is fixed low, so the RES signal is output as shown in
the figure below in accordance with power-on and auto-reset circuit C
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
20 ms
60 ms
R
charge/discharge.