The AT49F040-70JI is a high-performance 4-megabit Flash memory component produced by Microchip Technology, a renowned leader in the semiconductor industry. This device is designed to offer a reliable and flexible non-volatile memory solution for a wide range of applications. With its 70ns access time, it provides a fast and efficient data retrieval process, making it ideal for systems where quick memory access is crucial.

Key Features:

• Memory Capacity: The device boasts a 4-megabit storage capacity, which is organized as 512K x 8. This size is suitable for storing firmware, boot code, and other critical data.
• Access Time: With an access time of 70 nanoseconds, the AT49F040-70JI ensures swift data access, contributing to the overall performance of the system.
• Operating Voltage: The memory operates within a voltage range of 5V ± 10%, making it compatible with many standard 5V systems.
• Package Type: It is available in a 32-lead PLCC (Plastic Leaded Chip Carrier) package, which is known for its durability and ease of mounting on printed circuit boards.
• Temperature Range: The device is designed to operate within an industrial temperature range of -40°C to +85°C, ensuring reliability under extreme conditions.
• Programming: The AT49F040-70JI supports byte-by-byte programming, which is both flexible and convenient for system updates and modifications.
• Erasure: The entire chip can be erased at once, allowing for efficient reuse and updates to the stored data.
• Endurance: The Flash memory is capable of withstanding a minimum of 10,000 write/erase cycles, ensuring a long operational lifespan for the product.

Applications:

The AT49F040-70JI is suitable for a diverse range of applications that require high-density, non-volatile memory storage. These applications include, but are not limited to, embedded systems, telecommunications, personal computers, and various electronic devices where program code needs to be stored and updated regularly.

With its robust design and reliable performance, the AT49F040-70JI from Microchip Technology is an excellent choice for designers and engineers looking for a high-quality Flash memory solution.