onsemi

CAT24C256WI-G

CAT24C256WI-G Description

The CAT24C256WI-G from onsemi is a high-performance 256Kbit (32K x 8) serial EEPROM designed for reliable non-volatile data storage in a wide range of electronic systems. It operates over a broad 1.8V to 5.5V supply voltage range, making it compatible with both low-power and standard logic levels. The device features an I2C interface with a 1 MHz clock frequency, ensuring fast and efficient data transfer. With an access time of 500 ns and a 5ms write cycle time (word/page), it delivers robust performance for read/write operations. Although marked as Obsolete, it remains a viable choice for legacy designs due to its proven reliability and RoHS3/REACH compliance.

CAT24C256WI-G Features

• Memory Size & Organization: 256Kbit (32K x 8) for flexible data storage.
• Wide Voltage Range: Operates from 1.8V to 5.5V, supporting mixed-voltage systems.
• High-Speed I2C Interface: 1 MHz clock frequency for rapid communication.
• Fast Access & Write Times: 500 ns access time and 5ms write cycle for efficient updates.
• Robust Endurance: EEPROM technology ensures high write/erase cycles.
• Industrial Compliance: RoHS3 compliant and REACH unaffected, suitable for eco-conscious designs.
• Surface-Mount Packaging: 8-SOIC for compact PCB integration.

CAT24C256WI-G Applications

The CAT24C256WI-G is ideal for applications requiring low-power, high-reliability non-volatile memory:

• Consumer Electronics: Smart meters, IoT devices, and wearables.
• Automotive Systems: Configuration storage, event logging, and infotainment.
• Industrial Controls: Parameter storage in PLCs, sensors, and automation.
• Medical Devices: Calibration data and firmware backup.
• Legacy Upgrades: Replacing older EEPROMs in existing designs.

Conclusion of CAT24C256WI-G

The CAT24C256WI-G offers a balanced combination of performance, flexibility, and durability, making it a dependable choice for embedded systems despite its obsolete status. Its wide voltage range, fast I2C interface, and industrial-grade compliance ensure seamless integration into diverse applications. Engineers seeking a proven 256Kbit EEPROM for legacy or low-power designs will find this device a reliable solution.