LM809

3-Pin Microprocessor Reset Circuits

National Semiconductor

LM809 Features

* Precise monitoring of 3V, 3.3V, and 5V supply voltages Superior upgrade to MAX809/810 Fully specified over temperature 140ms min. Power-On Reset pulse width, 240ms typical Active-low RESET Output (LM809) Active-high RESET Output (LM810) n Guaranteed RESET Output valid for VCC≥1V n Low Supply Current

LM809 General Description

The LM809/810 microprocessor supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems. They provide a reset to the microprocessor during power-up, power-down and brown-out conditions. The function of the LM809/810 is to monitor the VCC supply voltage, and .

LM809 Datasheet (124.87 KB)

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Datasheet Details

Part number:

LM809

Manufacturer:

National Semiconductor

File Size:

124.87 KB

Description:

3-pin microprocessor reset circuits.

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LM809 3-Pin Microprocessor Reset Circuits National Semiconductor

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LM809 Features

LM809 General Description

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