Microchip Technology

AT28C256-20DM/883

AT28C256-20DM/883 Description

The AT28C256-20DM/883 is a high-performance EEPROM memory IC chip manufactured by Microchip Technology. This device offers a memory size of 256Kbit, organized in a 32K x 8 configuration, making it suitable for a wide range of applications requiring non-volatile memory storage. The chip features a parallel memory interface, ensuring fast data transfer rates and efficient communication with host systems. With an access time of 200 ns and a write cycle time of 10 ms, the AT28C256-20DM/883 provides reliable and swift data storage and retrieval capabilities.

The AT28C256-20DM/883 is designed for through-hole mounting, making it ideal for applications where robust mechanical stability is required. It operates within a voltage range of 4.5V to 5.5V, ensuring compatibility with various power supply configurations. The device is housed in a tube package, which offers protection and ease of handling during assembly processes.

AT28C256-20DM/883 Features

• Memory Size and Organization: The AT28C256-20DM/883 provides 256Kbit of EEPROM memory, organized in a 32K x 8 format. This configuration offers a balance between memory capacity and addressability, making it suitable for applications requiring moderate to large amounts of non-volatile storage.
• Fast Access and Write Times: With an access time of 200 ns and a write cycle time of 10 ms, the AT28C256-20DM/883 ensures rapid data read and write operations, enhancing overall system performance.
• Parallel Memory Interface: The parallel interface allows for efficient data transfer, making it ideal for systems requiring high-speed communication between the memory chip and the host processor.
• Wide Operating Voltage Range: The device operates within a voltage range of 4.5V to 5.5V, providing flexibility in power supply design and ensuring compatibility with a variety of systems.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability, making the AT28C256-20DM/883 suitable for applications where durability and reliability are critical.
• Compliance and Standards: The AT28C256-20DM/883 is REACH unaffected and ROHS3 compliant, meeting environmental and safety standards. It also has an ECCN classification of 3A001A2C and an HTSUS code of 8542.32.0051, ensuring compliance with international trade regulations.
• Moisture Sensitivity Level: The device has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for storage and handling in various environmental conditions without the risk of moisture-related damage.

AT28C256-20DM/883 Applications

The AT28C256-20DM/883 is ideal for applications requiring reliable non-volatile memory storage with fast access and write times. Some specific use cases include:

• Embedded Systems: The device is well-suited for embedded systems where data retention is critical, such as in industrial control systems, automotive electronics, and consumer electronics.
• Data Logging: The AT28C256-20DM/883 can be used in data logging applications to store critical information that needs to be preserved even in the event of power loss.
• Firmware Storage: The EEPROM memory is ideal for storing firmware in microcontrollers and other embedded devices, ensuring that the system can boot and operate correctly even after power cycles.
• Configuration Data: The chip can store configuration data for various systems, allowing for quick and reliable access to essential settings and parameters.

Conclusion of AT28C256-20DM/883

The AT28C256-20DM/883 is a versatile and reliable EEPROM memory IC chip that offers a balance of performance, durability, and compliance with industry standards. Its fast access and write times, combined with a robust through-hole mounting type and wide operating voltage range, make it an excellent choice for a variety of applications. Whether used in embedded systems, data logging, firmware storage, or configuration data management, the AT28C256-20DM/883 provides the reliability and performance needed to ensure system stability and data integrity.