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AT28HC256E-12PI

AT28HC256E-12PI Description

The AT28HC256E-12PI is an EEPROM memory IC designed for applications requiring reliable non-volatile storage solutions. Manufactured by Microchip Technology, this 256Kbit EEPROM features a parallel memory interface and is organized in a 32K x 8 memory format. The device is housed in a through-hole 28DIP package, making it suitable for various electronic systems where robustness and ease of integration are essential.

AT28HC256E-12PI Features

• Memory Organization: The AT28HC256E-12PI offers a 32K x 8 memory organization, providing a total of 256Kbit of non-volatile storage. This organization allows for efficient data storage and retrieval, making it ideal for applications requiring large amounts of data to be stored and accessed quickly.
• Access Time: With an access time of 120 ns, the AT28HC256E-12PI ensures fast data read operations, which is crucial for real-time systems and applications where quick data retrieval is necessary.
• Write Cycle Time: The device has a write cycle time of 10ms, which balances the need for quick data updates with the reliability of EEPROM technology. This feature ensures that data can be written and verified efficiently, maintaining system performance.
• Voltage Range: The AT28HC256E-12PI operates within a voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements and ensuring compatibility with a wide range of electronic systems.
• Package Type: The through-hole 28DIP package makes the AT28HC256E-12PI suitable for applications where physical robustness and ease of integration are important. This packaging also facilitates manual soldering and prototyping.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the AT28HC256E-12PI is highly resistant to moisture, ensuring reliable performance in various environmental conditions.
• Compliance: The device is classified under ECCN EAR99 and HTSUS 8542.32.0051, indicating compliance with international trade regulations. Additionally, it is REACH unaffected, ensuring compliance with environmental and safety standards.

AT28HC256E-12PI Applications

The AT28HC256E-12PI is well-suited for a variety of applications due to its robust features and reliable performance. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile storage for firmware, configuration data, and other critical information. The fast access time and reliable write cycle ensure that the system can operate efficiently.
• Industrial Control: In industrial applications, the AT28HC256E-12PI can store calibration data, operational parameters, and other essential information, ensuring that the system can recover quickly from power failures or other disruptions.
• Telecommunications: The device can be used in telecommunications equipment to store configuration settings, network parameters, and other data that need to be preserved across power cycles.
• Consumer Electronics: For consumer electronics, the AT28HC256E-12PI can store user preferences, settings, and other data, enhancing the user experience by ensuring that personalized settings are retained.

Conclusion of AT28HC256E-12PI

The AT28HC256E-12PI is a versatile EEPROM memory IC that offers a balance of performance, reliability, and ease of integration. Its 32K x 8 memory organization and fast access time make it suitable for a wide range of applications, from embedded systems to industrial control. The through-hole 28DIP package and robust moisture resistance further enhance its suitability for various environments. Despite being marked as obsolete, the AT28HC256E-12PI remains a reliable choice for applications requiring non-volatile storage solutions.