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X4003 - CPU Supervisor

This page provides the datasheet information for the X4003, a member of the X40 CPU Supervisor family.

Description

These devices combine three popular functions, Poweron Reset Control, Watchdog Timer, and Supply Voltage Supervision.

This combination lowers system cost, reduces board space requirements, and increases reliability.

Features

  • Selectable watchdog timer.
  • Select 200ms, 600ms, 1.4s, off.
  • Low VCC detection and reset assertion.
  • Five standard reset threshold voltages nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V.
  • Adjust low VCC reset threshold voltage using special programming sequence.
  • Reset signal valid to VCC = 1V.
  • Low power CMOS.
  • 12µA typical standby current, watchdog on.
  • 800nA typical standby current watchdog off.
  • 3mA active current.

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Datasheet preview – X4003

Datasheet Details

Part number X4003
Manufacturer Xicor
File Size 378.74 KB
Description CPU Supervisor
Datasheet download datasheet X4003 Datasheet
Additional preview pages of the X4003 datasheet.

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Full PDF Text Transcription

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X4003/X4005 CPU Supervisor FEATURES • Selectable watchdog timer —Select 200ms, 600ms, 1.4s, off • Low VCC detection and reset assertion —Five standard reset threshold voltages nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V —Adjust low VCC reset threshold voltage using special programming sequence —Reset signal valid to VCC = 1V • Low power CMOS —12µA typical standby current, watchdog on —800nA typical standby current watchdog off —3mA active current • 400kHz I2C interface • 1.8V to 5.5V power supply operation • Available packages —8-lead SOIC —8-lead MSOP DESCRIPTION These devices combine three popular functions, Poweron Reset Control, Watchdog Timer, and Supply Voltage Supervision. This combination lowers system cost, reduces board space requirements, and increases reliability.
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