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AT28HC64B-12JI

AT28HC64B-12JI Description

The AT28HC64B-12JI is a 64Kbit EEPROM memory IC chip designed by Microchip Technology. This chip features an 8K x 8 memory organization, providing a total memory size of 64Kbit. It operates with a parallel memory interface, ensuring efficient data transfer and communication with other system components. The AT28HC64B-12JI is housed in a 32PLCC package, making it suitable for surface mount applications. It operates within a supply voltage range of 4.5V to 5.5V and has an access time of 120 ns, which is relatively fast for EEPROM devices. The write cycle time for a word or page is 10ms, ensuring reliable data storage and retrieval.

AT28HC64B-12JI Features

• Memory Organization: The AT28HC64B-12JI features an 8K x 8 memory organization, providing a total of 64Kbit of non-volatile memory. This structure allows for efficient memory addressing and data storage.
• Parallel Interface: The parallel memory interface ensures high-speed data transfer, making it suitable for applications requiring rapid read and write operations.
• Fast Access Time: With an access time of 120 ns, the AT28HC64B-12JI can quickly retrieve data, enhancing overall system performance.
• Reliable Write Cycle: The 10ms write cycle time ensures reliable data storage, making it suitable for applications requiring frequent data updates.
• Wide Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the AT28HC64B-12JI is compatible with a variety of power supply configurations.
• Surface Mount Compatibility: The 32PLCC package is designed for surface mount applications, making it ideal for modern, compact electronic designs.
• Moisture Sensitivity Level: The MSL rating of 2 (1 Year) ensures that the chip remains stable and functional in various environmental conditions.

AT28HC64B-12JI Applications

The AT28HC64B-12JI is well-suited for a variety of applications due to its robust features and performance capabilities. Some specific use cases include:

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

Conclusion of AT28HC64B-12JI

The AT28HC64B-12JI is a versatile EEPROM memory IC chip that offers a balance of speed, reliability, and compatibility. Its fast access time, reliable write cycle, and wide voltage range make it suitable for a wide range of applications. While the product is now obsolete, it remains a reliable choice for systems that require non-volatile memory with a parallel interface. For designers looking to incorporate EEPROM memory into their systems, the AT28HC64B-12JI provides a robust solution with proven performance and reliability.