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UM807

Part Number	UM807
Manufacturer	Union Semiconductor
Description	uP Reset Circuits
Published	Jan 14, 2019
Detailed Description	UM807/821/822 μP Reset Circuits with Long Manual Reset Setup Period UM807/821/822 SOT143 General Description The UM80...
Datasheet	UM807 PDF File

Overview

UM807/821/822 μP Reset Circuits with Long Manual Reset Setup Period UM807/821/822 SOT143 General Description The UM807/821/822 are low-power microprocessor (μP) supervisory circuits used to monitor power supplies in μP and digital systems.
They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with 5V-powered or 3V-powered circuits.
The UM807/821/822 also provide a debounced manual reset input with long setup period.
On all devices, the reset output asserts when the VCC supply voltage drops below its specified threshold.
The reset output remains asserted for the reset timeout period (240ms typ) after VCC rises above the reset t...

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