The AT25128N-SI2.7 is a high-performance, 128K Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology. This product stands out for its reliability and low-power consumption, making it an ideal choice for a wide range of data storage applications.

With a storage capacity of 128 kilobits, the AT25128N-SI2.7 is organized as 16,384 x 8 bits, allowing for efficient storage and retrieval of data. It operates over the standard industrial temperature range of -40°C to +85°C, ensuring stability and performance even in harsh environments.

This EEPROM utilizes the popular SPI (Serial Peripheral Interface) bus, which provides simple communication with microcontrollers and is supported by most microcontroller architectures. It features a maximum clock frequency of 20 MHz, enabling fast data transfer rates that are essential for applications requiring quick access to stored information.

One of the significant advantages of the AT25128N-SI2.7 is its low-power consumption. It operates on a supply voltage ranging from 2.7V to 5.5V, making it versatile for various applications while conserving energy. This characteristic is particularly beneficial for battery-operated devices, where power efficiency is crucial.

The device also includes a write protect feature, which allows users to prevent accidental overwrite or erasure of data. This feature is critical for applications where data integrity is paramount. Additionally, the AT25128N-SI2.7 supports both byte write and page write modes, providing flexibility in how data is written to the memory.

Microchip Technology's commitment to quality is evident in the AT25128N-SI2.7, which is designed for long-term data retention and high endurance, ensuring that data is preserved reliably over time. This EEPROM is an excellent solution for applications such as parameter storage, firmware updates, and data logging in industrial automation, consumer electronics, and automotive systems.

To facilitate easy integration into your designs, the AT25128N-SI2.7 is available in an 8-lead SOIC package, providing a compact form factor suitable for space-constrained applications.