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AT28C256-15SA

AT28C256-15SA Description

The AT28C256-15SA is a 256Kbit EEPROM memory IC designed for high-performance applications requiring reliable data storage and retrieval. Manufactured by Microchip Technology, this device features a parallel memory interface and is organized as 32K x 8, providing efficient data access and storage. The AT28C256-15SA operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 150 ns, ensuring fast read operations. The write cycle time for words and pages is 10ms, making it suitable for applications where data integrity and quick write operations are crucial.

AT28C256-15SA Features

• Memory Organization: The AT28C256-15SA is organized as 32K x 8, offering a total memory size of 256Kbit. This organization allows for efficient data storage and retrieval, making it ideal for applications requiring large amounts of data.
• Access Time: With an access time of 150 ns, the AT28C256-15SA ensures rapid data read operations, enhancing overall system performance.
• Write Cycle Time: The write cycle time of 10ms ensures reliable data storage without compromising on speed, making it suitable for applications requiring frequent data updates.
• Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the AT28C256-15SA is compatible with a wide range of power supplies, providing flexibility in system design.
• Mounting Type: The surface mount package of the AT28C256-15SA allows for easy integration into compact and high-density designs, making it ideal for space-constrained applications.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the AT28C256-15SA is suitable for manufacturing processes that require extended storage and handling, ensuring reliability and longevity.

AT28C256-15SA Applications

The AT28C256-15SA is well-suited for a variety of applications where reliable and efficient data storage is essential. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile memory for storing configuration data, firmware, and other critical information.
• Industrial Control: Suitable for industrial control applications where data integrity and quick access are crucial for maintaining system performance and reliability.
• Telecommunications: Used in telecommunications equipment for storing calibration data, network configurations, and other essential parameters.
• Consumer Electronics: Applicable in consumer electronics for storing user settings, firmware updates, and other data that needs to be retained even when power is off.

Conclusion of AT28C256-15SA

The AT28C256-15SA is a robust and reliable EEPROM memory IC designed to meet the demands of high-performance applications. Its fast access time, efficient memory organization, and reliable write cycle time make it an ideal choice for applications requiring quick data access and storage. The surface mount package and compatibility with a wide range of supply voltages further enhance its versatility. While the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing systems and legacy designs.