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MAX809 - 3-pin microprocessor resets

General Description

The MAX809/MAX810 are single function microprocessor resets used to monitor supply voltages in microprocessor and other logic systems.

They provide a reset signal to the microprocessor during power-up, power-down, and brownout conditions.

Key Features

  • Monitors 5.0 V, 3.3 V and 3 V supplies.
  • 140 ms min. reset delay time:.
  • Active-LOW RESET output (MAX809).
  • Active-HIGH RESET output (MAX810).
  • Power supply transient immunity.
  • Guaranteed reset valid for 1.1 V.
  • Available in small SOT23 and SC70 3-pin packages.
  • No external components needed.
  • Specified over full temperature range.
  • 40 °C to +105 °C.

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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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INTEGRATED CIRCUITS MAX809/MAX810 3-pin microprocessor resets Product data Supersedes data of 2002 Oct 21 2003 Aug 08 Philips Semiconductors Philips Semiconductors Product data 3-pin microprocessor resets MAX809/MAX810 DESCRIPTION The MAX809/MAX810 are single function microprocessor resets used to monitor supply voltages in microprocessor and other logic systems. They provide a reset signal to the microprocessor during power-up, power-down, and brownout conditions. The reset signal is asserted when the supply voltage drops below the preset threshold, and the signal is released a set time after the supply voltage has risen above the preset threshold. The MAX809 has an active-LOW reset output while the MAX810 has an active-HIGH reset output.