MB3793-30A Fujitsu Media Devices, MB3793-30A Datasheet - Page 17

• Manufacturer Part Number: MB3793-30A
• Description: POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
• Manufacturer: Fujitsu Media Devices

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DataSheet
4
1. (1) Supply voltage monitor and watchdog timer (1-clock monitor)
U
(2) Supply voltage monitor and watching timer (2-clock monitor)
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APPLICATION EXAMPLE
V
CC
GND
GND
V
C
CC
TW
*
* : Use a capacitor with less leakage current.
* : Use a capacitor with less leakage current.
C
The MB3793 monitors the clock (CK1,2) at every other input pulse.
C
TW
TP
*
*
C
TP
*
2
3
6
CTW
CTP
INH
2
3
6
MB3793
GND
CTW
CTP
INH
V
5
4
CC
M B 3 7 9 3
RESET
CK1
CK2
GND
V
4
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5
CC
RESET
1
8
7
CK1
CK2
8
7
1
RESET
CK
Microprocessor 1
GND
V
CC
MB3793
RESET
Microprocessor
CK
RESET
CK
Microprocessor 2
GND
GND
V
CC
V
CC
-30A
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