Microchip Technology Tariff Inquiry

AT28HC64B-90PU

AT28HC64B-90PU Description

The AT28HC64B-90PU is a 64Kbit EEPROM memory IC chip designed by Microchip Technology, featuring a parallel memory interface and organized in an 8K x 8 memory structure. This Through Hole mounted device is housed in a Tube package and operates within a supply voltage range of 4.5V to 5.5V. With an access time of 90 ns and a write cycle time of 10ms for both word and page operations, the AT28HC64B-90PU provides efficient data storage and retrieval capabilities. Although this product is now obsolete, its robust performance and compliance with industry standards such as REACH and ROHS3 make it a reliable choice for specific applications.

AT28HC64B-90PU Features

• Memory Organization: The AT28HC64B-90PU is organized as 8K x 8, offering a total memory size of 64Kbit, which is ideal for applications requiring moderate data storage.
• Parallel Interface: The parallel memory interface allows for fast data transfer rates, making it suitable for systems that require quick access to stored data.
• Access Time: With an access time of 90 ns, this EEPROM ensures rapid data retrieval, enhancing the overall performance of the system.
• Write Cycle Time: The write cycle time of 10ms for both word and page operations ensures efficient data writing, balancing speed and reliability.
• Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the AT28HC64B-90PU is compatible with a variety of power supply configurations.
• Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the AT28HC64B-90PU is suitable for a wide range of environmental conditions without the need for special handling.

AT28HC64B-90PU Applications

The AT28HC64B-90PU is well-suited for applications that require reliable and efficient data storage with moderate memory capacity. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems where data retention is crucial, such as firmware storage and configuration data.
• Industrial Control: Suitable for industrial control applications where quick data access and robustness are essential.
• Telecommunications: Can be used in telecommunications equipment for storing configuration parameters and operational data.
• Consumer Electronics: Applicable in consumer electronics for storing user settings and system configurations.

Conclusion of AT28HC64B-90PU

The AT28HC64B-90PU, despite being obsolete, remains a viable option for applications requiring a reliable 64Kbit EEPROM with a parallel interface. Its fast access time and moderate write cycle time make it suitable for systems that need quick data retrieval and efficient data writing. The device's compliance with environmental and safety standards ensures it meets industry requirements. While newer models may offer enhanced features, the AT28HC64B-90PU continues to provide a robust solution for specific applications in the electronics industry.