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TS3809 Datasheet Microprocessor Reset Circuit

Manufacturer: Taiwan Semiconductor

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General Description

The TS3809/3810 series are used for microprocessor (µP) supervisory circuits 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, +2.5V 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 200ms after VCC has risen above the reset threshold.

Overview

TS3809/3810 Series Taiwan Semiconductor Microprocessor Reset Circuit.

Key Features

  • High Accurate ±2%.
  • Precision monitoring of +3V, +3.3V, and +5V Power supply voltage.
  • Fully specified over temperature.
  • Available in three output configurations.
  • Push-Pull RESET low output (TS3809).
  • Push-Pull (RESET) high output (TS3810).
  • 200ms typ. Power-on reset pulse width.
  • 25µs supply current.
  • Guaranteed reset valid to VCC=+1V.
  • Power supply transient immunity.

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