Microchip Technology AT28C256E-15SI EEPROM

The AT28C256E-15SI is a high-performance 256-Kilobit parallel EEPROM designed and manufactured by Microchip Technology. It is well-suited for applications that require data storage that can be frequently updated, such as firmware storage, parameter settings, and data logging. This EEPROM provides a robust storage solution with a fast access time of 150 nanoseconds, making it ideal for high-speed microprocessor systems.

Constructed in a 28-pin, 300-mil SOIC package, the AT28C256E-15SI offers a convenient surface-mount solution for printed circuit boards, allowing for efficient assembly and space-saving design. It is designed with CMOS EEPROM technology, which ensures low power consumption and high reliability. The device operates across a wide voltage range of 4.5V to 5.5V, which is compatible with most 5V microcontrollers and digital systems.

One of the key features of the AT28C256E-15SI is its parallel interface, which provides simple and straightforward connection to microcontrollers and other digital systems. Its input/output pins support TTL levels, which means it can easily interface with other standard digital ICs. The EEPROM also includes hardware data protection features, such as a write protect pin, to prevent accidental data corruption during power transitions or system malfunctions.

The AT28C256E-15SI supports 64-byte page write operation, which allows for faster data write operations by writing multiple bytes simultaneously. Additionally, the device is designed for high endurance, with each byte capable of being written to and erased over 100,000 times. This makes it a reliable choice for applications that require frequent data updates.

Overall, the AT28C256E-15SI from Microchip Technology is a versatile and reliable EEPROM, offering designers a high-speed, low-power data storage solution that is easy to integrate into a wide range of applications. Its durability, fast access time, and hardware protection features make it an excellent choice for critical data storage requirements.