UM803 Datasheet (Union Semiconductor) - 3-Pin Microprocessor Reset Circuits

UM803, 3-Pin Microprocessor Reset Circuits

The UM803 is a microprocessor (μP) supervisory circuit used to monitor the power supplies in μP and digital systems.

It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V or +2.5V powered circuits.

The circuit p

UM803 Features

* z Computers z Controllers z Portable/Battery-Powered Equipments z Intelligent Instruments z Critical μP and μC Power Monitoring z Automotive z No External Components z Power Supply Transient Immunity z Guaranteed Reset Valid to VCC=+1V z Precision VCC Monitoring of +2.5V, +3V, +3.3V and +5V Suppli