The AT93C56A-10SI-1.8 is a high-performance, 2Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology, designed to provide reliable data storage over a wide range of applications. This EEPROM operates on a supply voltage range of 1.8V to 5.5V, making it suitable for low-power and battery-powered devices.

With an organization of 256 x 8 or 128 x 16 bits, the AT93C56A-10SI-1.8 is optimized for use in a variety of industrial, automotive, and consumer electronics where efficient data storage is crucial. It features a fast write time of only 5 ms, allowing for rapid data updates and minimal downtime in performance-critical applications.

The device comes in a compact SOIC (Small Outline Integrated Circuit) package, which is ideal for space-constrained applications. Its 8-lead configuration provides a balance between small form factor and ease of integration into existing designs. The AT93C56A-10SI-1.8 is also characterized by its industrial temperature range, operating reliably between -40°C to +85°C, ensuring stable performance in harsh environments.

This EEPROM supports a bidirectional, 2-wire bus and a Serial Peripheral Interface (SPI) that allows for simple serial connection to most microcontroller units. It also features self-timed write cycle with auto-clear, eliminating the need for complex write operations and ensuring data integrity during power transitions.

Additional features of the AT93C56A-10SI-1.8 include a write protect pin to prevent accidental data overwrites, and a programmable write protect for specific address ranges, offering an extra layer of data security. The device also boasts a more than 1 million write cycle endurance and a data retention period of over 100 years, demonstrating its reliability and longevity.

In summary, Microchip Technology's AT93C56A-10SI-1.8 EEPROM is a robust and versatile memory solution that combines low power consumption, high reliability, and ease of integration, making it an excellent choice for a wide array of data storage applications.