onsemi

CAT25256LI-G

CAT25256LI-G Description

The CAT25256LI-G from onsemi is a high-performance 256Kbit (32K x 8) SPI EEPROM designed for reliable non-volatile data storage in demanding electronic applications. Operating within a 1.8V to 5.5V supply range, this device supports a 20 MHz clock frequency, enabling fast data transfers. Its SPI interface ensures seamless integration with microcontrollers and other digital systems. The 5ms write cycle time (word/page) ensures efficient data updates, while its through-hole 8DIP package provides robust mechanical stability for industrial environments. Although marked as obsolete, it remains a viable solution for legacy systems requiring dependable EEPROM performance.

CAT25256LI-G Features

• Memory Capacity: 256Kbit (32K x 8) organization for flexible data storage.
• Wide Voltage Range: Operates from 1.8V to 5.5V, compatible with low-power and standard systems.
• High-Speed SPI Interface: Supports 20 MHz clock frequency for rapid read/write operations.
• Fast Write Cycle: 5ms word/page write time enhances efficiency.
• Durable Packaging: 8DIP through-hole mounting ensures reliability in harsh conditions.
• Industrial Compliance: REACH unaffected and EAR99/ECCN certified for global use.
• Low Sensitivity: MSL 1 (Unlimited) moisture tolerance simplifies handling and storage.

CAT25256LI-G Applications

• Industrial Control Systems: Stores configuration data and calibration parameters in PLCs and sensors.
• Automotive Electronics: Retains critical data in infotainment, telematics, and ECU modules.
• Consumer Electronics: Used in smart appliances, set-top boxes, and gaming peripherals for firmware storage.
• Medical Devices: Ensures secure data retention in portable diagnostic equipment.
• Legacy Upgrades: Ideal for maintaining or repairing older systems requiring SPI EEPROMs.

Conclusion of CAT25256LI-G

The CAT25256LI-G offers a robust combination of high-speed SPI performance, wide voltage compatibility, and industrial-grade durability, making it suitable for diverse embedded systems. While obsolete, its 32K x 8 memory organization and 5ms write speed remain competitive for legacy designs. Engineers seeking a reliable through-hole EEPROM for automotive, industrial, or consumer applications will find this device a practical choice, particularly where long-term data retention and mechanical stability are critical.