Microchip Technology Tariff Inquiry

AT28C64-25JC

AT28C64-25JC Description

The AT28C64-25JC is a 64Kbit EEPROM memory IC chip designed by Microchip Technology. This chip features a parallel memory interface and is organized in an 8K x 8 configuration, providing a robust solution for non-volatile storage needs. The AT28C64-25JC operates within a voltage range of 4.5V to 5.5V and has an access time of 250 ns, ensuring fast data retrieval. The write cycle time for a word or page is 1ms, making it suitable for applications requiring quick data updates. The chip is housed in a 32PLCC package and is available in a tube package type, ideal for surface mount applications. It operates within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and commercial environments. The AT28C64-25JC is classified under HTSUS code 8542.32.0051 and has a moisture sensitivity level (MSL) of 2, ensuring it remains unaffected by moisture for up to one year. Despite being marked as obsolete, the AT28C64-25JC remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

AT28C64-25JC Features

• Memory Size and Organization: The AT28C64-25JC offers a memory size of 64Kbit, organized as 8K x 8, providing a substantial amount of non-volatile storage in a compact form factor.
• Fast Access Time: With an access time of 250 ns, the AT28C64-25JC ensures rapid data retrieval, making it suitable for applications requiring quick read operations.
• Quick Write Cycle Time: The write cycle time of 1ms for a word or page allows for efficient data updates, ensuring that the memory can keep up with dynamic data requirements.
• Wide Operating Voltage Range: The chip operates within a voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements and ensuring compatibility with a variety of systems.
• Robust Operating Temperature Range: The AT28C64-25JC is designed to function reliably within a temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and commercial applications.
• Surface Mount Compatibility: The surface mount mounting type and 32PLCC package make the AT28C64-25JC ideal for modern printed circuit board (PCB) designs, ensuring ease of integration and space efficiency.
• Moisture Sensitivity Level (MSL) 2: The MSL rating of 2 ensures that the chip remains unaffected by moisture for up to one year, enhancing its reliability in various environmental conditions.
• Parallel Memory Interface: The parallel memory interface allows for straightforward integration with existing systems and ensures compatibility with a wide range of applications.

AT28C64-25JC Applications

The AT28C64-25JC is well-suited for a variety of applications where non-volatile memory is required. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring reliable non-volatile storage for configuration data, firmware, and other critical information.
• Industrial Control: Suitable for industrial control applications where data integrity and quick access are crucial for maintaining system performance.
• Telecommunications: Can be used in telecommunications equipment for storing calibration data, network configuration, and other essential parameters.
• Consumer Electronics: Applicable in consumer electronics for storing user settings, firmware updates, and other non-volatile data.
• Automotive Systems: Useful in automotive applications for storing critical data such as engine control parameters, user preferences, and diagnostic information.

Conclusion of AT28C64-25JC

The AT28C64-25JC is a versatile EEPROM memory IC chip that offers a balance of performance, reliability, and compatibility. Despite its obsolete status, its unique features such as fast access time, quick write cycle time, and robust operating conditions make it an ideal choice for specific applications where these attributes are crucial. The chip's compatibility with a wide range of systems and its ability to withstand various environmental conditions further enhance its appeal. For legacy systems and applications requiring a reliable non-volatile memory solution, the AT28C64-25JC remains a viable option.