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AS1908 - Low-Voltage Microprocessor Reset Circuits

This page provides the datasheet information for the AS1908, a member of the AS1907 Low-Voltage Microprocessor Reset Circuits family.

Datasheet Summary

Description

The AS1907/AS1908/AS1909 microprocessor supervisory circuits are ideal for monitoring the supply voltage of digital systems and microprocessors.

The devices are designed to initiate a reset if the supply voltage goes below a predefined threshold.

Features

  • ! 3 Output Types: Push/Pull RESET, Push Pull RESETN, and Open Drain RESETN Reset Threshold Range: 1.6 to 2.5V (~100mV increments) RESET/RESETN: - Valid to VCC = 0.7V (AS1907 and AS1908) - Valid to VCC = 1.0V (AS1909) Reset Pulse Widths: 1, 20, and 100ms Supply Voltage Range: +0.7 to +3.6V Supply Current Range: 2.6 to 7.0µA Power Supply Transient Immunity Requires No External Components Operating Temperature Range: -40 to +125ºC 3-pin SOT23 Package ! ! ! ! ! ! ! ! The reset thresholds are fa.

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Datasheet Details

Part number AS1908
Manufacturer austriamicrosystems AG
File Size 368.51 KB
Description Low-Voltage Microprocessor Reset Circuits
Datasheet download datasheet AS1908 Datasheet
Additional preview pages of the AS1908 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com AS1907, AS1908 , AS1909 L o w - Vo l ta g e M i c r o p r o c e s s o r R e s e t C i r c u i ts D a ta S he e t 1 General Description The AS1907/AS1908/AS1909 microprocessor supervisory circuits are ideal for monitoring the supply voltage of digital systems and microprocessors. The devices are designed to initiate a reset if the supply voltage goes below a predefined threshold. The duration of the reset is either 1.5, 30, or 150ms (typ.) after the supply voltage has risen above the pre-set threshold (see Ordering Information on page 9). The devices are available as the standard products listed in Table 1. Table 1.
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