Microchip Technology Tariff Inquiry

AT28C64B-20JA

AT28C64B-20JA Description

The AT28C64B-20JA is a 64Kbit EEPROM memory IC designed for parallel interfacing in various electronic systems. Manufactured by Microchip Technology, this device is organized as 8K x 8, providing a robust and reliable solution for non-volatile data storage. The AT28C64B-20JA operates within a supply voltage range of 4.5V to 5.5V and features an access time of 200 ns, ensuring fast read operations. The write cycle time for a word or page is 10ms, making it suitable for applications requiring frequent data updates. The device is housed in a 32-pin PLCC package and is available in a tube packaging format. Despite its obsolete status, the AT28C64B-20JA remains a viable option for legacy systems and specific applications where its unique features are advantageous.

AT28C64B-20JA Features

• Memory Size and Organization: The AT28C64B-20JA offers a memory size of 64Kbit, organized as 8K x 8, providing a substantial amount of non-volatile storage for critical data.
• Parallel Interface: The parallel memory interface allows for efficient data transfer and integration with various microcontrollers and processors.
• Fast Access Time: With an access time of 200 ns, the AT28C64B-20JA ensures rapid read operations, enhancing the overall performance of the system.
• Write Cycle Time: The write cycle time of 10ms for a word or page allows for efficient data updates, making it suitable for dynamic applications.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
• Surface Mount Technology: The surface mount mounting type ensures ease of integration into modern PCB designs, reducing the overall footprint and improving reliability.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the AT28C64B-20JA is suitable for a range of environmental conditions, ensuring long-term stability and performance.
• Regulatory Compliance: The AT28C64B-20JA is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

AT28C64B-20JA Applications

The AT28C64B-20JA is ideal for a variety of applications where reliable non-volatile memory is required. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile storage for firmware, configuration data, and other critical information.
• Industrial Control: Suitable for industrial control systems where data integrity and quick access times are essential for efficient operation.
• Telecommunications: Can be used in telecommunications equipment for storing configuration parameters and other data that need to be retained across power cycles.
• Consumer Electronics: Applicable in consumer electronics for storing user settings, calibration data, and other non-volatile information.
• Medical Devices: Suitable for medical devices where reliable data storage is crucial for patient safety and device functionality.

Conclusion of AT28C64B-20JA

The AT28C64B-20JA, despite its obsolete status, remains a valuable component for specific applications requiring a reliable 64Kbit EEPROM with a parallel interface. Its fast access time, efficient write cycle, and robust voltage range make it a versatile solution for various electronic systems. The device's compliance with international regulations and its surface mount technology ensure ease of integration and long-term reliability. For applications where these features are critical, the AT28C64B-20JA continues to be a preferred choice in the electronics industry.