MB3793-45 Datasheet, PDF (18/28 Pages) Fujitsu Component Limited. – POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER

MB3793-45
■ APPLICATION EXAMPLE
1. Supply voltage monitor and watchdog timer
(1) 1-clock monitor
VCC
CTW*
CTP*
2 CTW
5
VCC
RESET 1
MB3793
3 CTP
CK1 ₈
6 INH GND CK2 ₇
4
GND
* : Use a capacitor with less leakage current.
(2) 2-clock monitor
VCC
CTW* CTP*
2 CTW
5
VCC
RESET 1
MB3793
3 CTP
CK1 8
6 INH GND CK2 7
4
RESET VCC
Microprocessor1
CK
GND
GND
* : Use a capacitor with less leakage current.
RESET VCC
Microprocessor
CK
GND
RESET VCC
Microprocessor2
CK
GND
18
DS04-27405-2E