Microchip Technology AT28C256F-15JI

The AT28C256F-15JI is a high-performance, 256K (32K x 8) parallel EEPROM designed by Microchip Technology, a leader in smart, connected, and secure embedded control solutions. This EEPROM (Electrically Erasable Programmable Read-Only Memory) is an ideal storage solution for applications that require data to be updated frequently or where the data must remain intact even after power is turned off.

With a 150 ns access time, the AT28C256F-15JI offers fast read capabilities, making it suitable for high-speed microprocessor systems. Its industrial temperature range and PLCC (Plastic Leaded Chip Carrier) package make it versatile for a wide range of applications, including industrial controls, medical devices, automotive systems, and telecommunications infrastructure.

The device supports 5V read and write operations, making it compatible with many microcontrollers and digital systems that operate at this standard logic level. Its high endurance ensures that the memory can be written to repeatedly without failure, up to 100,000 times. Additionally, data retention is guaranteed for a minimum of 10 years, ensuring long-term reliability of the stored information.

AT28C256F-15JI is designed with hardware and software data protection schemes. The hardware features include a write protect pin to prevent inadvertent write or erase cycles. In terms of software, the device includes a JEDEC standard algorithm for write protection, ensuring that the EEPROM is protected against inadvertent writes during power-up or power-down sequences.

In conclusion, the AT28C256F-15JI from Microchip Technology is a robust, reliable, and high-speed EEPROM chip that provides a flexible and durable non-volatile memory solution for a variety of demanding applications. Its fast access time, high endurance, and data retention capabilities, combined with the industrial temperature range and robust package, make it an excellent choice for system designers who require a dependable storage option.