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SM72240 - Microprocessor Reset

General Description

The SM72240 microprocessor supervisory circuit monitors the power supplies in microprocessor and digital systems.

It provides a reset to the microprocessor during power-up, power-down, brown-out conditions, and manual reset.

Key Features

  • 1.
  • 2 Renewable Energy Grade.
  • Precise monitoring of 5V supply voltages.
  • Fully specified over temperature.
  • 40°C to +125°C.
  • 100 ms minimum Power-On Reset pulse width, 190 ms typical:.
  • Active-Low RESET Open Drain Output.
  • RESET Output valid for VCC ≥ 1V.
  • Low Supply Current, 6µA typical.
  • Power supply transient immunity.
  • Compatible with MAX811/812.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SM72240 www.ti.com SNIS154C – JANUARY 2011 – REVISED APRIL 2013 SM72240 SolarMagic 5-Pin Microprocessor Reset Circuit Check for Samples: SM72240 FEATURES 1 •2 Renewable Energy Grade • Precise monitoring of 5V supply voltages • Fully specified over temperature – −40°C to +125°C • 100 ms minimum Power-On Reset pulse width, 190 ms typical: – Active-Low RESET Open Drain Output • RESET Output valid for VCC ≥ 1V • Low Supply Current, 6µA typical • Power supply transient immunity • Compatible with MAX811/812 applications APPLICATIONS • Microprocessor Systems • Computers • Controllers • Intelligent Instruments • Portable/Battery-Powered Equipment DESCRIPTION The SM72240 microprocessor supervisory circuit monitors the power supplies in microprocessor and digital systems.