Description Features MAX1232 The MAX1232 microprocessor (µP) supervisory circuit o Consumes 1/10th the Power of the DS1232 provides µP housekeeping and power-supply supervi- o Precision Voltage Monitor--Adjustable +4.5V sion functions while consuming only 1/10th the power of or +4.75V the DS1232. The MAX1232 enhances circuit reliability o Power-OK/Reset Pulse Width--250ms Min in µP systems by monitoring the power supply, monitor- ing the software execution, and providing a debounced o No External Components manual reset input. The MAX1232 is a plug-in upgrade o Adjustable Watchdog Timer--150ms, 600ms, of the Dallas DS1232. or 1.2s A reset pulse of at least 250ms duration is supplied on o Debounced Manual Reset Input for External power-up, power-down, and low-voltage brownout Override conditions (5% or 10% supply tolerances can be o Available in 8-Pin PDIP/SO and 16-Pin Wide SO selected digitally). Also featured is a debounced man- Packages ual reset input that forces the reset outputs to the