Maxim Integrated MAX6821
The MAX6821–MAX6825 are low-voltage microprocessor (µP) supervisory circuits that combine voltage monitoring, watchdog timer, and manual reset input functions in a 5-pin SOT23 package. These devices assert a reset signal whenever the monitored voltage drops below its preset threshold, keeping it asserted for a minimum timeout period after VCC rises above the threshold. The MAX6821–MAX6825 monitor voltages from +1.8V to +5.0V.| Part No. | MAX6821 |
|---|---|
| Datasheet | MAX6821 Download |
| Manufacturer |  Maxim Integrated |
| Description | Low-Voltage SOT23 uP Supervisors |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Microprocessor supervisory circuits significantly improve system reliability and accuracy compared to separate ICs or discrete components. In addition, a watchdog timer monitors against code execution errors. A debounced manual reset is also available. These outputs are guaranteed to be in the correct state for VCC down to +1.0V. Nine preprogrammed reset threshold voltages are available (see the Threshold Suffix Guide). The MAX6821, MAX6822, and MAX6823 all have a manual reset input and a watchdog timer. The MAX6821 has push-pull RESET, the MAX6822 has open-drain RESET, and the MAX6823 has push-pull RESET. The MAX6824 has a watchdog timer and both push-pull RESET and push-pull RESET. The MAX6825 has a manual reset input and both push-pull RESET and push-pull RESET. The Selector Guide explains the functions offered in this series of parts.APPLICATIONS
●● Set-Top Boxes●● Computers and Con- trollers
●● Embedded Controllers
●● Intelligent Instruments
●● Critical µP Mo...
