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AT28C256-15JI

AT28C256-15JI Description

The AT28C256-15JI is a 256Kbit EEPROM memory IC chip manufactured by Microchip Technology. This chip is organized as 32K x 8, offering parallel memory interface capabilities. It is designed for surface mount applications and comes in a 32-lead plastic leaded chip carrier (PLCC) package. The AT28C256-15JI operates within a supply voltage range of 4.5V to 5.5V and features an access time of 150 nanoseconds. The write cycle time for both word and page operations is 10 milliseconds. This EEPROM device is suitable for a variety of applications requiring reliable non-volatile memory storage.

AT28C256-15JI Features

• Memory Size and Organization: The AT28C256-15JI provides 256Kbit of EEPROM storage, organized in a 32K x 8 configuration. This organization allows for efficient data storage and retrieval, making it ideal for applications requiring moderate to large amounts of non-volatile memory.
• Parallel Memory Interface: The parallel memory interface enables fast data transfer rates, which is crucial for applications where quick access to stored data is necessary.
• Fast Access Time: With an access time of 150 nanoseconds, the AT28C256-15JI ensures rapid data retrieval, enhancing overall system performance.
• Reliable Write Cycle Time: The 10ms write cycle time for both word and page operations ensures reliable data writing, making it suitable for applications with frequent write operations.
• Wide Operating Voltage Range: The AT28C256-15JI operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
• Surface Mount Compatibility: The surface mount mounting type allows for easy integration into modern printed circuit board (PCB) designs, reducing the overall footprint and enhancing thermal performance.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the AT28C256-15JI is suitable for a wide range of environmental conditions, ensuring reliable performance in various applications.

AT28C256-15JI Applications

The AT28C256-15JI is well-suited for a variety of applications that require non-volatile memory storage. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems where reliable storage of configuration data, firmware, and other critical information is essential.
• Industrial Control: Suitable for industrial control applications where data integrity and quick access times are crucial for efficient operation.
• Telecommunications: Can be used in telecommunications equipment for storing network configuration data and other critical 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 vehicle configuration data, diagnostic information, and other critical parameters.

Conclusion of AT28C256-15JI

The AT28C256-15JI is a versatile EEPROM memory IC chip that offers a combination of fast access times, reliable write cycles, and a wide operating voltage range. Its parallel memory interface and surface mount compatibility make it an excellent choice for a variety of applications requiring non-volatile memory storage. Despite being marked as obsolete, the AT28C256-15JI remains a reliable and efficient solution for applications where its unique features and performance benefits are required.