LM809 - 3-Pin Microprocessor Reset Circuits

National Semiconductor

Datasheet Details

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

The LM809/810 microprocessor supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems.

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, 15µA typ. n Power supply transient immunity n n n n.

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Published: Mar 22, 2005 |