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AT28C040-25FC

AT28C040-25FC Description

The AT28C040-25FC is a 4Mbit EEPROM memory IC designed for high-performance applications requiring reliable data storage and retrieval. Manufactured by Microchip Technology, this device features a parallel memory interface, offering efficient data transfer capabilities. The AT28C040-25FC is organized as 512K x 8, providing a substantial memory capacity in a compact surface-mount package. This EEPROM operates within a supply voltage range of 4.5V to 5.5V and is rated for an operating temperature range of 0°C to 70°C, making it suitable for a variety of industrial and consumer applications.

AT28C040-25FC Features

• Memory Capacity: The AT28C040-25FC boasts a 4Mbit memory size, organized as 512K x 8, providing ample storage for complex data sets and firmware.
• Access Time: With an access time of 250 ns, this EEPROM ensures rapid data retrieval, enhancing the performance of systems requiring quick read operations.
• Write Cycle Time: The device features a write cycle time of 10ms for word and page operations, ensuring efficient data writing capabilities.
• Parallel Interface: The parallel memory interface allows for high-speed data transfer, making it ideal for applications requiring fast data access.
• Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the AT28C040-25FC is compatible with a wide range of power supply configurations.
• Temperature Range: The operating temperature range of 0°C to 70°C ensures reliable performance in various environmental conditions.
• Surface-Mount Package: The surface-mount package type facilitates easy integration into modern PCB designs, optimizing space utilization.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the AT28C040-25FC is suitable for use in environments with varying humidity levels, ensuring long-term reliability.

AT28C040-25FC Applications

The AT28C040-25FC is well-suited for a variety of applications where reliable and efficient data storage is critical. Some specific use cases include:

• Embedded Systems: Ideal for storing firmware and configuration data in embedded systems, ensuring quick boot-up times and reliable operation.
• Industrial Control: Suitable for industrial automation and control systems, where rapid data access and long-term data retention are essential.
• Consumer Electronics: Can be used in consumer devices such as printers, scanners, and other peripherals that require non-volatile memory for storing settings and firmware.
• Telecommunications: Effective for storing configuration data and firmware in telecommunication equipment, ensuring reliable operation and quick data access.

Conclusion of AT28C040-25FC

The AT28C040-25FC is a robust EEPROM memory IC that offers a combination of high memory capacity, fast access times, and reliable performance. Its parallel interface and surface-mount package make it an ideal choice for applications requiring efficient data storage and retrieval. Despite being marked as obsolete, the AT28C040-25FC remains a viable option for legacy systems and new designs where its unique features and performance benefits are required.