Microchip Technology's AT25128N-10SI SPI Serial EEPROM

The AT25128N-10SI from Microchip Technology is a high-performance, 128-Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) device that operates through the Serial Peripheral Interface (SPI) bus. Designed for a broad range of applications, this EEPROM provides efficient data storage solutions for systems that require reliable and low-power non-volatile memory.

This particular model is encapsulated in an industrial-standard 8-lead SOIC (Small Outline Integrated Circuit) package, making it suitable for surface-mount technology (SMT) and providing a compact footprint for space-constrained applications. It operates over a wide voltage range of 2.5V to 5.5V, allowing it to be used in various operating environments and system designs.

One of the key features of the AT25128N-10SI is its fast write cycle times, with page write times as quick as 5 ms, ensuring efficient data handling and high throughput for write operations. Additionally, the device supports a fast data transfer rate with an SPI clock frequency of up to 10 MHz, making it an ideal choice for applications requiring quick data access and manipulation.

The device also boasts a robust endurance of 1 million write cycles and a data retention period of 100 years, ensuring the longevity and reliability of the data stored within. Furthermore, the AT25128N-10SI offers a flexible programming model with both byte and page write operations, allowing for a more versatile approach to data management.

For security and data integrity, the EEPROM includes write protection features. The hardware write-protect pin and software write protection options prevent accidental data overwrites and ensure the safety of critical data segments within the memory array.

The AT25128N-10SI is a testament to Microchip Technology's commitment to providing high-quality, reliable memory solutions that meet the evolving needs of modern electronic systems. Whether it's for industrial control systems, telecommunications, automotive applications, or consumer electronics, this EEPROM stands as a smart choice for designers looking to incorporate a stable and dependable non-volatile memory component into their products.