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AT28C64E-20SI

AT28C64E-20SI Description

The AT28C64E-20SI is a 64Kbit EEPROM memory IC chip designed for parallel interfacing, manufactured by Microchip Technology. This device features an 8K x 8 memory organization, providing a total memory capacity of 64Kbit. It operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 200 ns. The write cycle time for a word or page is 200µs, ensuring efficient data storage and retrieval. The AT28C64E-20SI is housed in a surface-mount 28SOIC package, making it suitable for compact and high-density applications. Although the product is now obsolete, it remains a reliable choice for legacy systems and specific applications requiring EEPROM technology.

AT28C64E-20SI Features

• Memory Interface: Parallel, enabling straightforward integration with microcontrollers and processors.
• Memory Organization: 8K x 8, providing a structured and efficient memory layout.
• Access Time: 200 ns, ensuring rapid data access and retrieval.
• Write Cycle Time: 200µs for word or page writes, balancing speed and reliability.
• Voltage Range: 4.5V to 5.5V, compatible with standard 5V systems.
• Package Type: Surface-mount 28SOIC, ideal for compact designs and high-density boards.
• Moisture Sensitivity Level (MSL): Level 2 (1 Year), ensuring robustness against environmental conditions.
• ECCN: EAR99, indicating compliance with export regulations.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety standards.

AT28C64E-20SI Applications

The AT28C64E-20SI is well-suited for a variety of applications where reliable and efficient data storage is required. Key use cases include:

• Embedded Systems: Ideal for storing configuration data, firmware, and other critical information in embedded devices.
• Industrial Control Systems: Provides robust memory storage for control systems, ensuring data integrity and reliability.
• Telecommunications: Used in communication modules for storing network configuration and operational parameters.
• Automotive Electronics: Suitable for automotive applications requiring non-volatile memory for storing vehicle settings and diagnostic data.
• Consumer Electronics: Used in devices such as printers, scanners, and other peripherals for storing firmware and user settings.

Conclusion of AT28C64E-20SI

The AT28C64E-20SI is a versatile and reliable EEPROM memory IC chip that offers a balance of speed, capacity, and compatibility. Despite its obsolescence, it remains a valuable component for legacy systems and specific applications requiring parallel EEPROM technology. Its surface-mount package, rapid access time, and robust write cycle time make it an ideal choice for a wide range of industrial and consumer applications. For designers and engineers working with legacy systems or requiring a reliable EEPROM solution, the AT28C64E-20SI is a proven and effective option.