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MAX809 Datasheet 3-pin Microprocessor Reset Circuits

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: MAX803/MAX809/ MAX810 3-Pin Microprocessor Reset Circuits General.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The MAX803/MAX809/MAX810 are microprocessor (μP) supervisory circuits used to monitor the 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, +3.3V, +3.0V, or +2.5V powered circuits.

These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 140ms after VCC has risen above the reset threshold.

Key Features

  • Precision Monitoring of +2.5V, +3V, +3.3V, and +5V Power-Supply Voltages.
  • Fully Specified Over Temperature.
  • Available in Three Output Configurations.
  • Open-Drain RESET Output (MAX803).
  • Push-Pull RESET Output (MAX809).
  • Push-Pull RESET Output (MAX810).
  • 140ms (min) Power-On-Reset Pulse Width.
  • 12μA Supply Current.
  • Guaranteed Reset Valid to VCC = +1V.
  • Power Supply Transient Immunity.
  • No External.

MAX809 Distributor

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More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX800L Microprocessor Supervisory Circuits
MAX800M Microprocessor Supervisory Circuits
MAX802 3.0V/3.3V Microprocessor Supervisory Circuits
MAX802R 3.0V/3.3V Microprocessor Supervisory Circuits
MAX802S 3.0V/3.3V Microprocessor Supervisory Circuits
MAX802T 3.0V/3.3V Microprocessor Supervisory Circuits
MAX803 3-Pin Microprocessor Reset Circuits
MAX803L 3-Pin Microprocessor Reset Circuits
MAX803M 3-Pin Microprocessor Reset Circuits
MAX803R 3-Pin Microprocessor Reset Circuits