The X28HC256DI-15 is a high-performance 256K CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) from Xicor (later acquired by Intersil, and then Renesas). This memory device is designed for applications requiring non-volatile storage with fast access times and low power consumption.

Applications

• Embedded Systems: Used for storing configuration data, boot code, and program code in embedded systems.
• Industrial Control Systems: Employed in industrial controllers for storing parameters and calibration data.
• Instrumentation: Utilized in test and measurement equipment for storing calibration settings and data logs.
• Networking Equipment: Used in network devices for storing configuration parameters and firmware.
• Medical Devices: Integrated into medical equipment for storing calibration data and patient information.

Features

• 256Kbit Memory Capacity: Provides ample storage for a wide range of applications.
• Fast Access Time: Offers quick data retrieval for high-performance applications.
• Low Power Consumption: Minimizes power dissipation, making it suitable for battery-powered devices.
• Electrically Erasable and Programmable: Allows for easy updating and reprogramming of stored data.
• CMOS Technology: Ensures high performance and low power operation.

Benefits

• Non-Volatile Storage: Retains data even when power is removed, ensuring data integrity.
• High Performance: Fast access times enable quick data retrieval, improving system performance.
• Easy Reprogramming: Electrically erasable and programmable features simplify updating and modifying stored data.
• Low Power Operation: Reduces power consumption, extending battery life in portable devices.
• Reliable Data Storage: Provides stable and reliable data storage for critical applications.

Additional Details

The X28HC256DI-15 has an access time of 150ns, indicating the maximum time required to retrieve data from the memory. It typically operates from a 5V power supply and consumes minimal power during both read and write operations. The device is commonly available in a DIP (Dual In-line Package), making it easy to integrate into existing systems.

This EEPROM is well-suited for applications that require non-volatile storage with fast access times and low power consumption. The electrically erasable and programmable features make it easy to update and modify stored data as needed. It is essential to follow the manufacturer's guidelines for programming and erasing the EEPROM to ensure reliable operation.