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X40431 - Triple Voltage Monitor

This page provides the datasheet information for the X40431, a member of the X40430 Triple Voltage Monitor family.

Description

The X40430/31 combines power-on reset control, watchdog timer, supply voltage supervision, secondary and third voltage supervision, manual reset, and Block Lock™ protect serial EEPROM in one package.

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

Features

  • Triple voltage detection and reset assertion.
  • Three standard reset threshold settings (4.6V/2.9V/1.7V, 4.4V/2.6V/1.7V, 2.9V/1.7V/2.4V).
  • Adjust low voltage reset threshold voltages using special programming sequence.
  • Reset signal valid to VCC = 1V.
  • Monitor three voltages or detect power fail.
  • Fault detection register.
  • Selectable power on reset timeout.
  • Selectable watchdog timer interval.
  • Debounced manual reset input.

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Datasheet preview – X40431

Datasheet Details

Part number X40431
Manufacturer Xicor
File Size 433.95 KB
Description Triple Voltage Monitor
Datasheet download datasheet X40431 Datasheet
Additional preview pages of the X40431 datasheet.

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Full PDF Text Transcription

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Preliminary Information 4kbit EEPROM X40430/X40431 DESCRIPTION The X40430/31 combines power-on reset control, watchdog timer, supply voltage supervision, secondary and third voltage supervision, manual reset, and Block Lock™ protect serial EEPROM in one package. This combination lowers system cost, reduces board space requirements, and increases reliability. Applying voltage to VCC activates the power on reset circuit which holds RESET/RESET active for a period of time. This allows the power supply and system oscillator to stabilize before the processor can execute code. Low VCC detection circuitry protects the user’s system from low voltage conditions, resetting the system when VCC falls below the minimum VTRIP1 point.
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