Microchip Technology AT28C040-90PI

The AT28C040-90PI is a high-performance, 4-megabit Parallel EEPROM designed and manufactured by Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This device is ideal for applications that require data storage that can be frequently updated, such as firmware storage, parameter settings, and data logging systems.

Featuring a 512K x 8 organization, the AT28C040-90PI offers ample storage space for a wide variety of applications. The EEPROM is designed for very high-speed operations, with an access time of 90 nanoseconds, making it suitable for performance-critical applications. The parallel interface ensures quick and straightforward integration into existing systems, providing a familiar and easy-to-use data bus for most microcontrollers and microprocessors.

Key Features:

• Capacity: 4 Megabit (512K x 8)
• Access Time: 90 ns
• Operating Voltage: 5V ±10% for read and write operations
• Temperature Range: Industrial (-40°C to +85°C)
• Package: 32-lead, 0.600" wide, plastic DIP
• Endurance: 100,000 write cycles guaranteed
• Data Retention: 10 years at industrial temperature range
• Green Product: Compliant with RoHS standards

The AT28C040-90PI is designed with hardware and software data protection features, including JEDEC standard algorithms for write protection that ensure data integrity during the write process. Additionally, the device supports rapid programming algorithms to significantly reduce programming time when compared to traditional EEPROM devices.

For designers and engineers looking for reliable and durable non-volatile memory solutions, the AT28C040-90PI from Microchip Technology offers a blend of performance, robustness, and ease of use. Its compatibility with industry-standard programming signals allows for easy integration into existing designs, making it a versatile choice for a multitude of applications that require frequent and reliable data storage updates.