LM809M3-3.08
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LM809M3-3.08

  • Category:processor
  • Product Name:3-pin microprocessor reset circuit
  • Manufacturers:NSC
  • Production Batch Number:10+11+
  • Encapsulation:SOT-23
  • Stock Status:There is stock
  • Stock Quantity:24500
  • Minimum order quantity: 1
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  • Product introduction

peculiarity


Accurate monitoring of 3V, 3.3V and 5V supply voltages
Advanced upgrades to the MAX809/810
Fully specified with temperature
140ms minutes. Power Supply Power-On Reset Pulse Width, 240ms Typical Low Reset Output (LM809), Active High Reset Output (LM810)
Guaranteed RESET output valid V CC = 1V
Low supply current 15μA typical.
Power supply transient immunity

illustrate

The LM809/810 microprocessor monitoring circuit can be used to monitor the power supply of microprocessors and digital systems. They provide a reset microprocessor during power-up, power-down and undervoltage conditions.

The LM809/810's function is to monitor the VC supply voltage and assert that the reset signal drops below the factory-programmed reset threshold voltage. The reset signal is still valid within 240ms, as V CC rises above the threshold. The LM809# outputs an active-low reset, while the LM810 outputs a high-active-reset output.

Seven standard reset voltage options are available for monitoring 5V, 3.3V and 3V supply voltages.

With a low supply current of only 15μA, the LM809/810 is ideal for use in portable equipment. The LM809/LM810 are available in 3-pin SOT23 and 6-pin LLP packages.


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Microprocessor systems
Computer
controller
Smart meters
Portable/battery-powered devices
Car

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