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X5043 - CPU Supervisor with 4K SPI EEPROM

This page provides the datasheet information for the X5043, a member of the X50 CPU Supervisor with 4K SPI EEPROM family.

Description

These devices combine four popular functions, Poweron Reset Control, Watchdog Timer, Supply Voltage Supervision, and Block Lock Protect Serial EEPROM Memory in one package.

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

Features

  • Selectable time out watchdog timer.
  • Low VCC detection and reset assertion.
  • Five standard reset threshold voltages.
  • Re-program low VCC reset threshold voltage using special programming sequence.
  • Reset signal valid to VCC = 1V.
  • Long battery life with low power consumption.

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Datasheet preview – X5043

Datasheet Details

Part number X5043
Manufacturer Xicor
File Size 108.76 KB
Description CPU Supervisor with 4K SPI EEPROM
Datasheet download datasheet X5043 Datasheet
Additional preview pages of the X5043 datasheet.

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Full PDF Text Transcription

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4K X5043/X5045 CPU Supervisor with 4K SPI EEPROM 512 x 8 Bit FEATURES • Selectable time out watchdog timer • Low VCC detection and reset assertion —Five standard reset threshold voltages —Re-program low VCC reset threshold voltage using special programming sequence. —Reset signal valid to VCC = 1V • Long battery life with low power consumption —<50µA max standby current, watchdog on —<10µA max standby current, watchdog off —<2mA max active current during read • 2.7V to 5.5V and 4.5V to 5.5V power supply versions • 4Kbits of EEPROM–1M write cycle endurance • Save critical data with Block Lock™ memory —Protect 1/4, 1/2, all or none of EEPROM array • Built-in inadvertent write protection —Write enable latch —Write protect pin • 3.
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