The CAT34WC02PA1.8 is a 2-Kb I2C Serial CMOS EEPROM from Catalyst Semiconductor. It is designed for low-voltage operation, making it suitable for a variety of applications where non-volatile memory is required.

Applications

• Consumer Electronics: Used in small electronic devices for storing configuration settings.
• Industrial Control Systems: Employed in basic industrial applications for parameter storage.
• Metering Devices: Used in electronic meters for storing calibration and usage data.
• Security Systems: Integrated into security devices for storing access codes and settings.
• Small Embedded Systems: Suitable for use in various small-scale embedded applications.

Features

• 2-Kb EEPROM: Provides 2 kilobits of electrically erasable and programmable read-only memory.
• I2C Interface: Uses the standard I2C serial communication protocol for easy interface with microcontrollers.
• Low-Voltage Operation (1.8V): Operates at a low voltage of 1.8V for low-power applications.
• Self-Timed Write Cycle: Simplifies write operations with an integrated self-timed write cycle.
• Write Protect Feature: Includes a write protect function to prevent accidental data corruption.
• High Reliability: Offers high endurance and data retention for long-term reliability.
• RoHS Compliant: Complies with the Restriction of Hazardous Substances (RoHS) directive.

Benefits

• Non-Volatile Memory: Retains data without power, preserving critical information.
• Easy Integration: The I2C interface allows for straightforward integration into systems.
• Low Power Consumption: Low-voltage operation reduces power consumption in battery-operated devices.
• Data Protection: Prevents unintentional data overwrites with the write protect feature.
• Reliable Performance: Provides stable and consistent performance over an extended period.

Technical Specifications

The CAT34WC02PA1.8 is designed to operate in a temperature range of -40°C to +85°C. It is available in various packages, including PDIP and SOIC. The device provides an endurance rating of 1 million write cycles per byte and data retention of 100 years. The I2C clock frequency can operate up to 400 kHz. Additionally, it features a page write mode for increased write speeds, allowing multiple bytes to be written in one operation.