ha16117fpc Renesas Electronics Corporation., ha16117fpc Datasheet - Page 2

• Manufacturer Part Number: ha16117fpc
• Description: Cmos Watchdog Timer
• Manufacturer: Renesas Electronics Corporation.

HA16117F Series
Ordering Information
The HA16117F Series includes three ICs with different low threshold levels (V
Type No.
HA16117FPA/FPAJ
HA16117FPB/FPBJ
HA16117FPC/FPCJ
Pin Arrangement
Pin Description
Pin No.
1
2
3
4
5
6
7
8
Note: The low-voltage threshold cannot be modified by changing the external resistors connected to the
2
Tadj pin.
Symbol
V
P-RUN
C
C
RES
GND
ACC
Tadj *
CC
F
R
Function
Power supply voltage input
Watchdog timer (WDT) input
Connected capacitor C
(normal frequency range)
Connected capacitor C
and t
Reset signal output from WDT and voltage supervision circuits
Ground
WDT on/off control input (on when ACC is low)
For adjusting t
RL
for auto-reset
P-RUN
RH
and t
V
C
C
CC
R
F
OFF
(Top view)
1
2
3
4
F
R
determines WDT filter characteristic
determines t
(divide V
Low Threshold Voltage (V
4.4 V Typ
4.2 V Typ
4.0 V Typ
8
7
6
5
Tadj
ACC
GND
RES
CC
to get the adjustment voltage)
ON
for power-on reset and t
TL
).
TL
)
OFF
, t
RH
,