Microchip Technology AT28C64E-12SI EEPROM

The AT28C64E-12SI from Microchip Technology is a high-performance Electrically Erasable Programmable Read-Only Memory (EEPROM) device that offers a reliable storage solution for a wide range of applications. This integrated circuit is designed to provide a flexible and easy-to-use interface for storing non-volatile data, which can be maintained without power.

With a storage capacity of 64 Kilobits, the AT28C64E-12SI allows for the storage of 8,192 x 8-bit organization, making it suitable for storing configuration settings, calibration data, or small application programs. The device operates on a single 5V power supply, which is typical for many microcontroller-based systems, and is characterized by its 120 ns access time, ensuring quick data retrieval and high-speed operation.

The AT28C64E-12SI comes in a robust 28-pin SOIC (Small Outline Integrated Circuit) package, which makes it ideal for surface-mounted technology (SMT) and ensures a compact footprint on the printed circuit board (PCB). This EEPROM features a simple byte and page write operation, allowing for a write cycle time of just 10 ms. Furthermore, it boasts an endurance of at least 100,000 write cycles and a data retention of 10 years, offering reliable performance over an extended period.

One of the key advantages of the AT28C64E-12SI is its parallel interface, which allows for easy integration into a wide variety of microprocessor systems. It supports rapid programming of the entire memory array or selective updates, providing flexibility for different use cases. Additionally, the device includes hardware data protection features such as a write enable (WE) pin and a software data protection scheme to prevent inadvertent writes and ensure data integrity.

Microchip Technology's commitment to quality is evident in the AT28C64E-12SI, making it an excellent choice for applications in the industrial, automotive, telecommunications, and consumer electronics sectors. Its combination of high-speed operation, durability, and ease of use makes it a go-to EEPROM for designers looking for a reliable non-volatile memory solution.