MB3793-27A Datasheet, PDF (3/25 Pages) Fujitsu Component Limited. – Power Voltage Monitoring IC with Watchdog Timer

■ BLOCK DIAGRAM
MB3793-27A
To VCC of all blocks
I1 =.. 3 µA
I2 ^.=. 30 µA
CTP 3
RESET 1
Output circuit
Logic circuit
5 VCC
R1 =..
295 kΩ
INH 6
CTW 2
Pulse generator 1
CK1 8
Watchdog
timer
Pulse generator 2
CK2 7
Reference
voltage
generator
VREF =.. 1.24 V
Comp.S
−
VS
+
To GND of
all blocks
R2 ^.=.
240 kΩ
4 _GND
3