Part Number: MAX6821
Function: Microprocessor Supervisor with Manual Reset and Watchdog Timer
Package: SOT23-5 Type
Manufacturer: Maxim Integrated
The MAX6821 thru MAX6825 are low-voltage microprocessor (µP) supervisory circuits that combine voltage monitor ing, watchdog timer, and manual reset input functions in a 5-pin SOT23 package. Microprocessor supervisory circuits significantly improve system reliability and accuracy compared to separate ICs or discrete components.
These devices assert a reset signal whenever the monitored voltage drops below its preset threshold, keeping it asserted for a minimum timeout period after VCCrises above the threshold. In addition, a watchdog timer monitors against code execution errors. A debounced manual reset is also available. The MAX6821–MAX6825 monitor voltages from +1.8V to +5.0V. These outputs are guaranteed to be in the correct state for VCCdown to +1.0V.
1. 140ms (min) Reset Timeout Delay
2. 1.6s Watchdog Timeout Period
3. Manual Reset Input
4. Immune to Short Negative VCC Transients
MAX6821 Datasheet PDF Download
Other data sheets are available within the file:
MAX6821LUK-T, MAX6821MUK-T, MAX6821RUK-T, MAX6821SUK-T