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AT28C64X-25SC

AT28C64X-25SC Description

The AT28C64X-25SC is a 64Kbit EEPROM memory IC designed for parallel interfacing, offering robust performance and reliability in a surface-mount package. Manufactured by Microchip Technology, this device is organized as 8K x 8, providing a total memory size of 64Kbit. It operates within a voltage range of 4.5V to 5.5V and features an access time of 250 ns, ensuring fast data retrieval. The write cycle time for word or page operations is 1ms, making it suitable for applications requiring frequent updates. The AT28C64X-25SC is housed in a tube package and is rated for an operating temperature range of 0°C to 70°C. Although the product is now obsolete, its technical specifications and performance characteristics still make it a valuable component for certain legacy systems.

AT28C64X-25SC Features

• Memory Organization: 8K x 8, providing a total of 64Kbit of EEPROM memory.
• Memory Interface: Parallel, enabling efficient data transfer and compatibility with various systems.
• Access Time: 250 ns, ensuring rapid data access and retrieval.
• Write Cycle Time: 1ms for word or page operations, facilitating quick updates and modifications.
• Voltage Range: 4.5V to 5.5V, ensuring stable operation within a specified power supply range.
• Operating Temperature: 0°C to 70°C, suitable for a wide range of environmental conditions.
• Mounting Type: Surface mount, allowing for compact and reliable integration into PCB designs.
• Package: Tube, providing protection and ease of handling during assembly.
• Moisture Sensitivity Level (MSL): 2 (1 Year), indicating moderate sensitivity to moisture, which is important for storage and handling considerations.

AT28C64X-25SC Applications

The AT28C64X-25SC is ideal for applications that require non-volatile memory with fast access times and reliable data storage. Its parallel interface and EEPROM technology make it suitable for a variety of industrial and embedded systems. Specific use cases include:

• Embedded Systems: For storing configuration data, firmware, and other critical information that needs to be preserved across power cycles.
• Industrial Control: In applications where reliable data storage and quick access are crucial, such as PLCs (Programmable Logic Controllers) and SCADA (Supervisory Control and Data Acquisition) systems.
• Consumer Electronics: For devices that require non-volatile memory to store user settings, calibration data, and other essential parameters.
• Telecommunications: In equipment that needs to maintain settings and configurations, such as modems and routers.

Conclusion of AT28C64X-25SC

The AT28C64X-25SC, despite being obsolete, remains a reliable and efficient EEPROM memory solution for parallel interfacing applications. Its fast access time, moderate write cycle time, and wide operating temperature range make it suitable for various industrial and embedded systems. The surface-mount package and tube packaging ensure ease of integration and handling. While newer technologies may offer enhanced features, the AT28C64X-25SC continues to provide a robust and dependable option for legacy systems and applications where its specific characteristics are still advantageous.