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GS809C - Microprocessor Reset Monitors

Datasheet Summary

Description

The GS809C and 810C are system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary.

No external components are required.

When the processor power supply voltage drops below the reset threshold, the reset o

Features

  • Tight reset voltage tolerances ± 1.5%.
  • 4 reset active timeout period options.
  • Low quiescent current: < 3µA.
  • 9 reset threshold options from 2.1V to 4.63V.
  • Reset output guaranteed down to 1.0V.
  • No external components.
  • Vcc Transient immunity.
  • Wide temperature range.
  • 40°C to +85°C Document Number 74808 01-Nov-02 www. vishay. com 1 GS809C and GS810C Vishay formerly General Semiconductor Ordering Information Reset Acti.

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Datasheet Details

Part number GS809C
Manufacturer Vishay Siliconix
File Size 45.02 KB
Description Microprocessor Reset Monitors
Datasheet download datasheet GS809C Datasheet
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Full PDF Text Transcription

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GS809C and GS810C New Product Vishay formerly General Semiconductor Microprocessor Reset Monitors Pin Configuration SOT-23 (Top View) GND 1 3 Reset Output 2 Vcc Description • The GS809C and 810C are system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required. • When the processor power supply voltage drops below the reset threshold, the reset output is driven active, in less than 40µs (TD1). Reset is maintained active for a time period (TD2), after the Vcc rises above the threshold voltage. • To prevent jitter, the reset threshold voltage has a built-in hysteresis of 0.4% of VTH. • The GS809C has an active-low reset output, while the GS810C has an active-high reset output.
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