MB3773 Datasheet, PDF (5/29 Pages) Fujitsu Component Limited. – Power Supply Monitor with Watch-Dog Timer

MB3773
• MB3773 Basic Operation
VCC
VCC
CT
RESET
RESET
CK
GND
Logic Circuit
RESET
RESET
CK
TPR (ms) =: 1000 · CT (µF)
TWD (ms) =: 100 · CT (µF)
TWR (ms) =: 20 · CT (µF)
Example : CT = 0.1 µF
TRR (ms) =: 100 (ms)
TWD (ms) =: 10 (ms)
TWR (ms) =: 2 (ms)
VCC
VSH
VSL
0.8 V
CK
TCK
CT
RESET
TPR
TWD
TWR
(1) (2)
(3)(4)(5) (5)
(6) (7)
(8)(9)
TPR
(10)
(11) (12)
5