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G690H400T21 Datasheet (PDF) - Global Mixed-mode Technology Inc

G690H400T21 Datasheet PDF - Global Mixed-mode Technology Inc
Part # G690H400T21
Download  G690H400T21 Download

File Size   219.02 Kbytes
Page   12 Pages
Manufacturer  GMT [Global Mixed-mode Technology Inc]
Direct Link  http://www.gmt.com.tw
Logo GMT - Global Mixed-mode Technology Inc
Description Microprocessor Reset IC

G690H400T21 Datasheet (PDF)

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G690H400T21 Datasheet PDF - Global Mixed-mode Technology Inc

Part # G690H400T21
Download  G690H400T21 Click to download

File Size   219.02 Kbytes
Page   12 Pages
Manufacturer  GMT [Global Mixed-mode Technology Inc]
Direct Link  http://www.gmt.com.tw
Logo GMT - Global Mixed-mode Technology Inc
Description Microprocessor Reset IC

G690H400T21 Datasheet (HTML) - Global Mixed-mode Technology Inc

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G690H400T21 Product details

General Description

The G690/G691 are microprocessor (µP) supervisory circuits used to monitor the 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, +3.3V, +3.0V- powered circuits.

These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 140ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available.



Features

■ Precision Monitoring of +3V, +3.3V, and +5V Power-Supply Voltages

■ Fully Specified Over Temperature

■ Available in Three Output Configurations

   Push-Pull RESET Output (G690L)

   Push-Pull RESET Output (G690H)

   Open-Drain RESET Output (G691L)

■ 140ms min Power-On Reset Pulse Width

■ 10µA Supply Current

■ Guaranteed Reset Valid to VCC = +1V

■ Power Supply Transient Immunity

■ No External Components

■ 3-Pin SOT-23 and SC-70-3(SOT-323) Packages



Applications

■ Computers

■ Controllers

■ Intelligent Instruments

■ Critical µP and µC Power Monitoring

■ Portable / Battery-Powered Equipment

■ Automotive



 




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