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UM822 Datasheet uP Reset Circuits

Manufacturer: Union Semiconductor

Download the UM822 datasheet PDF. This datasheet also includes the UM807 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UM807-UnionSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UM822
Manufacturer Union Semiconductor
File Size 322.08 KB
Description uP Reset Circuits
Datasheet download datasheet UM822 Datasheet

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.

Overview

UM807/821/822 μP Reset Circuits with Long Manual Reset Setup Period UM807/821/822.

Key Features

  • z Set-Top Boxes z Consumer Electronics z DVD Players z Cable/DSL Modems z MP3 Players z Industrial Equipments z Automotive z Medical Devices z No External Components z VCC Transient Immunity z Correct Logic Output Guaranteed to VCC=1.0V z Precision VCC Monitoring of 3.0V, 3.3V and 5.0V Supplies z 2μA Supply Current z 140ms Minimum Power-On Reset Pulse Width z Available in 3 Manual Reset Setup Periods (tMR): A: 10.08s B: 6.72s C: 1.68s z Available in 3 Output Con_f__i_g__u__r_a__t_i_ons: Open-D.

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