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X4325 - CPU Supervisor

Download the X4325 datasheet PDF. This datasheet also covers the X4323 variant, as both devices belong to the same cpu supervisor family and are provided as variant models within a single manufacturer datasheet.

Description

The X4323, X4325 combines four popular functions, Power-on Reset Control, Watchdog Timer, Supply Voltage Supervision, and Serial EEPROM Memory in one package.

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

Features

  • Selectable watchdog timer.
  • Low VCC detection and reset assertion.
  • Four standard reset threshold voltages.
  • Adjust low VCC reset threshold voltage using special programming sequence.
  • Reset signal valid to VCC = 1V.
  • Low power CMOS.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (X4323_IntersilCorporation.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription

Click to expand full text
® X4323, X4325 32k, 4k x 8 Bit Data Sheet May 25, 2006 FN8122.1 CPU Supervisor with 32k EEPROM FEATURES • Selectable watchdog timer • Low VCC detection and reset assertion —Four standard reset threshold voltages —Adjust low VCC reset threshold voltage using special programming sequence —Reset signal valid to VCC = 1V • Low power CMOS —<20µA max standby current, watchdog on —<1µA standby current, watchdog off —3mA active current • 32Kbits of EEPROM —64-byte page write mode —Self-timed write cycle —5ms write cycle time (typical) • Built-in inadvertent write protection —Power-up/power-down protection circuitry —Block Lock (1, 2, 4, 8 pages, all, none) • 400kHz 2-wire interface • 2.7V to 5.5V power supply operation • Available packages www.DataSheet4U.
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