The AT28C256E-15SU is part of Atmel’s high-end EEPROM product line, designed for robust storage applications. It presents a 256-Kilobit capacity, operating reliably on a 5V power source and delivering quick access times of 150 ns. This particular model is encapsulated in a SOP (Small Outline Package), which makes it suitable for surface-mount technology (SMT) applications, offering a compact and efficient solution for PCB (Printed Circuit Board) integration. Like its counterparts in the 'E' series, this device stands out for its enhanced endurance characteristics. The 'SU' suffix indicates its suitability for commercial grade applications, with a standard operating temperature range. It is a preferred choice for developers working on data logging, configuration settings storage, or any application where a dependable, non-volatile memory is needed. Its parallel interface facilitates efficient communication with a wide range of digital circuits, ensuring versatile deployment in various electronic systems.