Microchip Technology

AT28HC256-90JU-T

AT28HC256-90JU-T Description

The AT28HC256-90JU-T is a high-performance EEPROM memory IC chip manufactured by Microchip Technology. This device is designed for applications requiring reliable and efficient data storage with a memory size of 256 Kbit, organized in a 32K x 8 configuration. The AT28HC256-90JU-T features a parallel memory interface, ensuring fast data transfer rates and compatibility with a wide range of systems. With an access time of 90 ns and a write cycle time of 10 ms, this EEPROM offers a balance of speed and reliability, making it suitable for various industrial and consumer applications.

The AT28HC256-90JU-T operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard power supplies. The device is packaged in a surface-mount format, specifically in a tape and reel (TR) configuration, which facilitates automated assembly processes and enhances board density. The moisture sensitivity level (MSL) of 2 (1 Year) ensures that the device remains stable and functional in various environmental conditions.

AT28HC256-90JU-T Features

• Memory Size and Organization: The AT28HC256-90JU-T provides a memory size of 256 Kbit, organized in a 32K x 8 format. This configuration allows for efficient storage and retrieval of data, making it ideal for applications requiring moderate to large amounts of non-volatile memory.
• Access and Write Cycle Times: With an access time of 90 ns and a write cycle time of 10 ms, the AT28HC256-90JU-T ensures fast data read and write operations. This performance characteristic is crucial for applications where quick data access and modification are necessary.
• Parallel Memory Interface: The parallel memory interface of the AT28HC256-90JU-T allows for high-speed data transfer, making it suitable for systems that require rapid data exchange between the memory and the processor.
• Supply Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard power supplies and reducing the need for additional voltage regulation components.
• Surface-Mount Packaging: The surface-mount package format and tape and reel (TR) configuration facilitate automated assembly processes, enhancing board density and reducing the overall footprint of the device on the printed circuit board.
• Moisture Sensitivity Level: The MSL of 2 (1 Year) ensures that the AT28HC256-90JU-T remains stable and functional in various environmental conditions, making it suitable for applications in diverse environments.
• Compliance and Status: The AT28HC256-90JU-T is REACH unaffected and ROHS3 compliant, ensuring that it meets the necessary environmental and regulatory standards for use in modern electronics.

AT28HC256-90JU-T Applications

The AT28HC256-90JU-T is ideal for a variety of applications where reliable and efficient data storage is required. Some specific use cases include:

• Industrial Control Systems: The device's fast access and write times make it suitable for storing configuration data, calibration parameters, and operational logs in industrial control systems.
• Consumer Electronics: In consumer electronics, the AT28HC256-90JU-T can be used to store firmware, user settings, and other critical data that need to be retained even when the device is powered off.
• Telecommunications: For telecommunications equipment, the EEPROM can store network configuration data, device identifiers, and other essential information required for the operation of the equipment.
• Automotive Systems: The AT28HC256-90JU-T's robustness and reliability make it suitable for automotive applications, such as storing engine control parameters, infotainment system settings, and other critical data.

Conclusion of AT28HC256-90JU-T

The AT28HC256-90JU-T is a versatile and reliable EEPROM memory IC chip that offers a balance of performance and functionality. Its fast access and write times, combined with a robust parallel memory interface and surface-mount packaging, make it an ideal choice for a wide range of applications. The device's compliance with environmental and regulatory standards ensures that it meets the necessary requirements for modern electronics. Whether used in industrial control systems, consumer electronics, telecommunications, or automotive applications, the AT28HC256-90JU-T provides a reliable and efficient solution for non-volatile data storage.