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MAX809 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...

MAX809 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 ponents needed
  • Specified over full temperature range -40 °C to +105 °C