General Description

The MAX6332/MAX6333/MAX6334 microprocessor (µP) supervisory circuits monitor the power supplies in 1.8V to 3.3V µP and digital systems. They increase circuit reliability and reduce cost by eliminating external components and adjustments.

Features

♦ Ultra-Low 0.7V Operating Supply Voltage

♦ Low 3.3µA Supply Current

♦ Precision Monitoring of 1.8V and 2.5V PowerSupply Voltages

♦ Reset Thresholds Available from 1.6V to 2.5V, in Approximately 100mV Increments

♦ Fully Specified over Temperature

♦ Three Power-On Reset Pulse Widths Available (1ms min, 20ms min, 100ms min)

♦ Low Cost

♦ Three Available Output Structures: Push/Pull RESET, Push/Pull RESET, Open-Drain RESET

♦ Guaranteed RESET/RESET Valid to VCC = 0.7V (MAX6332/MAX6333)

♦ Power-Supply Transient Immunity

♦ No External Components

♦ 3-Pin SOT23 Package

♦ Pin Compatible with MAX809/MAX810 and MAX6326/MAX6327/MAX6328

Applications

    Pentium® II Computers

    Computers

    Controllers

    Intelligent Instruments

    Critical µP/µC Power Monitoring

    Portable/Battery-Powered Equipment

    Automotive