UM807 Datasheet uP Reset Circuits

Manufacturer: Union Semiconductor

UM807 up reset circuits by Union Semiconductor - Datasheet Preview

Datasheet Details

Part number	UM807
Manufacturer	Union Semiconductor
File Size	322.08 KB
Description	uP Reset Circuits
Datasheet	UM807 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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