The AM29F040B-90JK is a flash memory integrated circuit manufactured by AMD. This versatile and high-performance memory device is designed for a wide range of applications, including consumer electronics, industrial control systems, automotive, and networking equipment. With a capacity of 4 megabits, the AM29F040B-90JK offers fast and reliable data storage and retrieval. The device operates at a speed of 90 nanoseconds, providing quick access to stored information and enabling rapid system performance. Additionally, the chip features a low-power consumption design, making it suitable for battery-operated devices and energy-efficient systems. The AM29F040B-90JK is compatible with various microcontrollers and can be easily integrated into existing hardware designs. Its robust construction ensures reliable operation in harsh environments and challenging conditions, making it an ideal choice for demanding industrial and automotive applications. Overall, the AM29F040B-90JK is a reliable and high-performance flash memory solution that offers versatile functionality and essential features for modern electronic systems.