MCP809 Datasheet - National

MCP809 3-Pin Microprocessor Reset Circuits

The MCP809/810 microprocessor supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems. They provide a reset to the microprocessor during power-up, power-down and brown-out conditions. The function of the MCP809/810 is to monitor the VCC supply voltage, an.

MCP809 Features

* n Precise monitoring of 3V, 3.3V, and 5V supply voltages n Fully specified over temperature n 140ms min. Power-On Reset pulse width, 240ms typical Active-low RESET Output (MCP809) Active-high RESET Output (MCP810) n Guaranteed RESET Output valid for VCC≥1V n Low Supply Current, 15µA typ. n Power sup

MCP809_NationalSemiconductor.pdf