The AT25256B-XHL-B from Microchip Technology is a high-performance, 256Kb Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for a wide range of applications that require non-volatile memory storage. This device offers a flexible and reliable solution to store configuration settings, calibration data, or small application code segments where data integrity and data retention are critical.

Key Features:

• Memory Size: The device provides 256-Kbit (32,768 x 8) of memory space, well-suited for applications that require ample storage within a small footprint.
• Interface Type: It utilizes the industry-standard SPI (Serial Peripheral Interface) bus, ensuring compatibility with a wide range of microcontrollers and processors.
• Data Retention: The EEPROM offers a long data retention period, typically over 100 years, making it ideal for applications where long-term data storage is paramount.
• Write Cycle Endurance: It is rated for a high number of write cycles, up to 1 million write cycles per byte, ensuring reliability and longevity in write-intensive applications.
• Operating Voltage Range: The device operates across a voltage range of 1.8V to 5.5V, accommodating various system power requirements and ensuring flexibility in design.
• Speed: Fast write speeds are supported, allowing for efficient data management and minimal system downtime during write operations.
• Temperature Range: The AT25256B-XHL-B is designed to operate over an industrial temperature range, making it suitable for use in harsh environments.
• Packaging: It comes in a robust 8-lead SOIC package, which is both space-saving and easy to integrate into PCB designs.

The AT25256B-XHL-B EEPROM is a testament to Microchip Technology's commitment to providing advanced memory solutions that meet the needs of modern electronic systems. With its combination of high-density storage, SPI interface, and endurance, this EEPROM is an excellent choice for designers looking to enhance their products with reliable and flexible non-volatile memory.