MB3793-27A FUJITSU [Fujitsu Component Limited.], MB3793-27A Datasheet - Page 9

• Manufacturer Part Number: MB3793-27A
• Description: Power Voltage Monitoring IC with Watchdog Timer
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

3. Single-clock input monitoring (Positive clock pulse)
Note : The MB3793 can monitor only one clock.
RESET
CTW
CTP
CK1
CK2
The MB3793 checks the clock signal at every other input pulse. Therefore, set watchdog
timer monitor time t
long as the input clock pulse.
V
V
V
th
H
L
WD
to the time that allows the MB3793 to monitor the period twice as
t
CKW
t
WD
t
CKT
t
WR
MB3793
-27A
9