FM809
Description
The FM809/810 are supervisor circuits that monitor power supply or other system voltages and issue reset pulse whenever the voltage being monitored is out of tolerance. Once asserted, the reset pulse is guaranteed to be valid for a minimum of 140ms (256ms typical). FM809xx offers active low push-pull type of reset while FM810xx offers active high push-pull type. Several threshold voltages are offered to acmodate 5.0V, 3.3V, 3.0V and 2.7V system voltages. The low supply current (typically 2 µA)remends FM809/810 devices for portable designs or wherever power saving is primary. These devices are offered in space saving 3-pin SOT23 and SC70 packages. I 140ms power-on RESET delay (minimum) I RESET operation guaranteed to 1.0V I Supply current only 2µA I No external ponents I Operating Range
- -40°C to +105°C (SOT23)
- -40°C to +85°C (SC70) I SOT23-3 and SC70-3 packages
Applications
I I I I I Microcontrollers and Microprocessors Appliances Power-Supply Monitoring Portable...
