The CAT24WC128JI-1.8TE13 is a 128-Kb I2C Serial CMOS EEPROM from Catalyst Semiconductor. This device features a low-voltage operation and is optimized for use in a wide range of applications requiring non-volatile memory storage.

Applications

• Consumer Electronics: Set-top boxes, DVD players, and other consumer devices requiring storage of user preferences or configuration data.
• Industrial Control: Programmable logic controllers (PLCs), industrial computers, and other industrial systems where non-volatile memory is crucial.
• Medical Devices: Medical instruments and equipment needing to store calibration data or operational parameters.
• Automotive Electronics: Car radios, infotainment systems, and engine control units (ECUs) for storing settings and diagnostic information.
• Networking Equipment: Routers, switches, and modems for storing configuration files and network parameters.

Features

• 128-Kb EEPROM: Provides 128 kilobits of electrically erasable and programmable read-only memory.
• I2C Interface: Supports the industry-standard I2C serial communication protocol for easy integration with microcontrollers and other devices.
• Low-Voltage Operation (1.8V): Operates at a low voltage of 1.8V, making it suitable for low-power applications.
• Self-Timed Write Cycle: Includes a self-timed write cycle, simplifying the write operation process.
• Write Protect Feature: Offers a write protect feature to prevent accidental modification of the memory content.
• High Reliability: Designed for high endurance and data retention, ensuring long-term reliability.
• RoHS Compliant: Complies with Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.

Benefits

• Non-Volatile Memory: Retains data even when power is removed, ensuring that critical information is not lost.
• Easy Integration: The I2C interface simplifies integration with various microcontrollers and systems.
• Low Power Consumption: Low-voltage operation minimizes power consumption, making it suitable for battery-powered applications.
• Data Protection: The write protect feature prevents accidental overwriting of data, ensuring data integrity.
• Reliable Performance: High endurance and data retention ensure reliable performance over a long lifespan.

Technical Specifications

The CAT24WC128JI-1.8TE13 operates in the temperature range of -40°C to +85°C. It is available in a variety of packages including SOIC and TSSOP. Its endurance is rated for 1 million write cycles per byte, and data retention is guaranteed for 100 years. The I2C clock frequency supports up to 400 kHz. The device also features a page write mode, allowing for faster write operations by writing multiple bytes in a single operation.