MB3793-42 Fujitsu Media Devices, MB3793-42 Datasheet - Page 10
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MB3793-42
Manufacturer Part Number
MB3793-42
Description
POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
Manufacturer
Fujitsu Media Devices
Datasheet
1.MB3793-42.pdf
(23 pages)
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DataSheet4U.com
www.DataSheet4U.com
DataSheet
10
4
MB3793-42
3. Single-clock input monitoring (Positive clock pulse)
U
.com
Note: The MB3793 can monitor only one clock.
RESET
CTW
CK1
CK2
CTP
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
DataSheet4U.com
t
CKW
t
WD
t
CKT
t
WR