CBM1232
OPERATION INSTRUCTION
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Features
Rated supply voltage 5.0 V
Accurate 5% or 10% microprocessor power supply monitoring
Programming of watchdog timer overflow time
Generation of reset signals at power on for correct microprocessor start
The chip contains reference voltage source, analog comparator, Watchdog timer, circuit for
monitoring power supply deviation accuracy.
General Description
CBM1232 is designed to monitor power supply within the system of reset signal generation for
microprocessors. It is used in monitor systems for controlling var-ious processes and entities.
Functions
Reset signal generation after power failure/ error
Reset signal generation from external “RESET” pushbutton
Reset signal generation from watchdog timer
CBM1232
OPERATION INSTRUCTION
www.corebai.com
FOCUS ON DEVELOPMENT • SINCERELY SERVICE • INNOVATIVE FUTURE
CATALOG
Features....................................................................................................................................................
General Description.................................................................................................................................
Functions.................................................................................................................................................
Pin Configurations.................................................................................................................................1
Pin Function Description.................................................................................................................... ...1
Absolute Maximum Ratings..................................................................................................................2
Recommended Operating Conditions................................................................................................... 2
Dc Electrical Characteristics(Tamb = -40℃ to +85℃).........................................................................3
AC electrical characteristics(Tamb = -40℃ to +85℃)...................................................................... ...3
Package Information..............................................................................................................................7
DIP8...................................................................................................................................................7
SOP8..................................................................................................................................................8
Package/Ordering Information..............................................................................................................9