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X5325 Datasheet (X5323 / X5325) CPU Supervisor with 32Kb SPI EEPROM

Manufacturer: Intersil (now Renesas)

Download the X5325 datasheet PDF. This datasheet also includes the X5323 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (X5323_IntersilCorporation.pdf) that lists specifications for multiple related part numbers.

General Description

These devices combine four popular functions, Power-on 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.

Applying power to the device activates the power-on reset circuit which holds RESET/RESET active for a period of time.

Overview

® X5323, X5325 (Replaces X25323, X25325) Data Sheet October 27, 2005 FN8131.

Key Features

  • Selectable 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.
  • Determine watchdog or low voltage reset with a volatile flag bit.
  • Long battery life with low power consumption.