UM805 Datasheet (Union Semiconductor) - 4-Pin uP Voltage Monitors

UM805, 4-Pin uP Voltage Monitors

The UM805/811/812 are low-power microprocessor (μP) supervisory circuits used to monitor power supplies in μP and digital systems.

They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with 5V-powered or 3V-powered circuits.

The UM805/8

UM805 Features

* z Computers z No External Components z Controllers z VCC Transient Immunity z Portable/Battery-Powered Equipments z Correct Logic Output Guaranteed to VCC=1.0V z Intelligent Instruments z Precision VCC Monitoring of 3.0V, 3.3V and 5.0V z Critical μP and μC Power Monitoring Supplies z 2μA S