ST’s microprocessor supervisors are more sophisticated devices that can include watchdog and early power-fail warnings (power-fail in/power-fail out (PFI/PFO)), push-button reset functions and battery monitoring.
Microprocessor supervisors with a switchover function preserve SRAM data in the absence of system power by automatically switching to batter backup when power fails. A chip-enable gate automatically write-protects the SRAM when the Vcc begins to fall.
- STM6825 5-pin supervisor with watchdog timer and push-button reset
- STM6824 5-pin supervisor with watchdog timer and push-button reset
- STM6823 5-pin supervisor with watchdog timer and push-button reset
- STM6822 5-pin supervisor with watchdog timer and push-button reset
- STM703 5 V supervisor with battery switchover
- STM704 5 V supervisor with battery switchover
- STM813L 5 V supervisor
- STM706P 3 V Supervisor
- STM705 5V Supervisor
- STM706 5 V Supervisor
- STM690A 5 V supervisor with battery switchover
- STM819L/M 5 V supervisor with battery switchover
- STM818L/M 5 V supervisor with battery switchover
- M40SZ100W 3 V NVRAM supervisor for LPSRAM
- STM692A 5 V supervisor with battery switchover
- STM6821 5-pin supervisor with watchdog timer and push-button reset
- STM6322 5-pin supervisor with watchdog timer and push-button reset
- STM6321 5-pin supervisor with watchdog timer and push-button reset
- STM805T/S/R 3 V supervisor with battery switchover
- STM805L 5 V supervisor with battery switchover
- STM817L/M 5 V supervisor with battery switchover
- STM806T/S/R 3 V supervisor with battery switchover
- STM802L/M 5 V supervisor with battery switchover
- STM795T/S/R 3 V supervisor with battery switchover
- STM804T/S/R 3 V supervisor with battery switchover
- STM802T/S/R 3 V supervisor with battery switchover
- STM708T/S/R 3 V Supervisor
- TSM104W Quad Operational Amplifier and Voltage Reference
- STM690T/S/R 5 V supervisor with battery switchover
- STM706T/S/R 3 V Supervisor
- TSM102 Dual Op-Amp + Dual Comparator + VRef (Bipolar), Adjustable
- STM704T/S/R 3 V supervisor with battery switchover
- STM707 5V Supervisor
- STM708 5 V Supervisor