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MAX704 Datasheet Low-Cost P Supervisory Circuits

Manufacturer: Maxim Integrated (now Analog Devices)

General Description

The MAX703/MAX704 microprocessor (μP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in μP systems.

These devices significantly improve system reliability and accuracy compared to that obtained with separate ICs or discrete components.

The MAX703/MAX704 are available in 8-pin DIP and SO packages and provide four functions: 1) An active-low reset during power-up, power-down, and brownout conditions.

Overview

MAX703/MAX704 Low-Cost Microprocessor Supervisory Circuits with Battery Backup.

Key Features

  • Battery-Backup Power Switching.
  • Precision Supply-Voltage Monitor.
  • 4.65V (MAX703).
  • 4.40V (MAX704).
  • 200ms Reset Pulse Width.
  • Debounced TTL/CMOS-Compatible Manual Reset Input.
  • 200μA Quiescent Current.
  • 50nA Quiescent Current in Battery-Backup Mode.
  • Voltage Monitor for Power-Fail or Low-Battery Warning.
  • 8-Pin DIP and SO Packages.
  • Guaranteed RESET Assertion to VCC = 1V Ordering Information.