mb3793-27apnf Fujitsu Microelectronics, Inc., mb3793-27apnf Datasheet - Page 16

• Manufacturer Part Number: mb3793-27apnf
• Description: Power-voltage Monitoring Ic With Watchdog Timer
• Manufacturer: Fujitsu Microelectronics, Inc.

16
MB3793
1. Supply voltage monitor and watchdog timer (1-clock monitor)
2. Supply voltage monitor and watchdog timer stop
V
GND
APPLICATION EXAMPLE
CC
C
GND
TW
V
*
CC
*: Use a capacitor with less leakage current.
*: Use a capacitor with less leakage current.
C
-27A
The MB3793 monitors the clock (CK1,2) at every other input pulse.
TP
C
*
TW
*
6
2
3
CTW
CTP
C
INH
TP
M B 3 7 9 3
*
GND
V
5
4
CC
RESET
2
3
6
CK1
CK2
CTW
CTP
INH
M B 3 7 9 3
8
1
7
GND
V
4
5
CC
RESET
CK1
CK2
8
7
1
Microprocessor 1
RESET
CK
GND
HALT
V
CC
RESET
Microprocessor
CK
Microprocessor 2
RESET
CK
GND
GND
V
CC
HALT
V
CC