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AT28HC256-90JI

AT28HC256-90JI Description

The AT28HC256-90JI is a 256Kbit EEPROM memory IC chip designed for parallel interface applications. Manufactured by Microchip Technology, this chip features a 32K x 8 memory organization, providing a robust solution for various electronic systems. The AT28HC256-90JI operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 90 nanoseconds, ensuring high-speed data retrieval. With a write cycle time of 10 milliseconds, this EEPROM is optimized for reliable and efficient data storage and retrieval.

The AT28HC256-90JI is housed in a surface-mount package, specifically a 32-lead plastic leaded chip carrier (PLCC) tube, making it suitable for compact and space-constrained designs. This product is classified under HTSUS code 8542.32.0051 and has a moisture sensitivity level (MSL) of 2, indicating a 1-year shelf life under controlled conditions. Although the product status is marked as obsolete, it remains a viable option for legacy systems and specific applications where its unique features are required.

AT28HC256-90JI Features

• Memory Size and Organization: The AT28HC256-90JI boasts a 256Kbit memory size organized in a 32K x 8 format, providing ample storage for data and program code.
• Parallel Interface: The parallel memory interface allows for efficient data transfer and integration with various microprocessors and controllers.
• Access Time: With an access time of 90 nanoseconds, this EEPROM ensures rapid data retrieval, enhancing system performance.
• Write Cycle Time: A write cycle time of 10 milliseconds ensures reliable and efficient data storage, making it suitable for applications requiring frequent updates.
• Voltage Range: The operating voltage range of 4.5V to 5.5V provides flexibility in power supply design and compatibility with standard 5V systems.
• Surface-Mount Packaging: The 32PLCC surface-mount package is ideal for compact designs, offering space-saving benefits and ease of integration into modern electronic systems.
• Moisture Sensitivity Level: An MSL of 2 (1 Year) ensures the chip remains stable and functional under controlled storage conditions, reducing the risk of moisture-related failures.

AT28HC256-90JI Applications

The AT28HC256-90JI is well-suited for a variety of applications where reliable and efficient data storage is crucial. Some specific use cases include:

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

Conclusion of AT28HC256-90JI

The AT28HC256-90JI is a versatile EEPROM memory IC chip that offers a balance of performance, reliability, and compatibility. Its 256Kbit memory size, parallel interface, and fast access times make it a suitable choice for a wide range of applications. Despite being marked as obsolete, the AT28HC256-90JI remains a valuable component for legacy systems and specific applications where its unique features are required. With its surface-mount packaging and moisture sensitivity level, it ensures ease of integration and long-term stability. For systems requiring efficient data storage and retrieval, the AT28HC256-90JI is a reliable and robust solution.