LM809 3-Pin Microprocessor Reset Circuits

National Semiconductor

Description

LM809/LM810 3-Pin Microprocessor Reset Circuits September 1999 LM809/LM810 3-Pin Microprocessor Reset Circuits General .
The LM809/810 microprocessor supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems.

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Datasheet Specifications

Part number: LM809
Manufacturer: National Semiconductor
File Size: 124.87 KB
Datasheet: LM809_NationalSemiconductor.pdf
Description: 3-Pin Microprocessor Reset Circuits

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

Applications

* n n n n n n Microprocessor Systems Computers Controllers Intelligent Instruments Portable/Battery-Powered Equipment Automotive Typical Application Circuit Connection Diagram DS101057-2 ( ) are for LM810 DS101057-1 © 1999 National Semiconductor Corporation DS101057 www. national. com Ordering I

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LM809 3-Pin Microprocessor Reset Circuits National Semiconductor

National Semiconductor LM809-like datasheet