The AT28C040-20LI is a high-performance, 4-megabit Parallel EEPROM meticulously crafted by Microchip Technology. This EEPROM, standing for Electrically Erasable Programmable Read-Only Memory, is designed for applications that require data storage that can endure frequent reprogramming and data alteration. With a storage capacity of 4 megabits, the AT28C040-20LI is capable of housing substantial amounts of data while maintaining the integrity and speed required for demanding applications.

Key Features

• Memory Size: This device offers a significant memory size of 4 Mbit (512K x 8), providing ample space for code storage or data logging tasks.
• Speed: The access time of 200 ns (nanoseconds) ensures rapid data retrieval, making it an excellent choice for performance-critical applications.
• Operating Temperature: With an industrial temperature range of -40°C to +85°C, the AT28C040-20LI is robust and reliable, even in extreme conditions.
• Interface: The parallel interface facilitates a straightforward connection to microcontrollers and other digital systems, allowing for efficient communication and data transfer.
• Packaging: This EEPROM comes in a 32-lead PLCC (Plastic Leaded Chip Carrier) package, which is known for its compact footprint and durability.
• Low Power Consumption: It is designed for low power consumption, making it suitable for battery-operated devices and power-sensitive applications.

Applications

The AT28C040-20LI is versatile and can be used in a range of applications, including:

• Embedded systems
• Telecommunication infrastructure
• Automotive electronics
• Industrial control systems
• Medical devices

Conclusion

Overall, the AT28C040-20LI from Microchip Technology is a reliable and efficient choice for designers and engineers who require a robust memory solution with a balance of speed, capacity, and durability. Whether used in critical industrial applications or consumer electronics, this EEPROM provides the performance and reliability that modern technology demands.