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AT25640N-10SI-1.8
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AT25640N-10SI-1.8 Description
AT25640N-10SI-1.8 Description
The AT25640N-10SI-1.8 is a 64Kbit EEPROM memory IC chip designed by Microchip Technology. This chip features an 8K x 8 memory organization, providing a total memory size of 64Kbit. It operates with a supply voltage range of 1.8V to 3.6V and supports a clock frequency of 3 MHz. The AT25640N-10SI-1.8 uses the SPI memory interface, which is widely recognized for its simplicity and efficiency in communication between microcontrollers and memory devices. The chip is housed in an 8SOIC package and is suitable for surface mount applications. Despite being marked as obsolete, it remains a reliable choice for specific legacy systems and applications where its unique features are required.
AT25640N-10SI-1.8 Features
- Memory Size and Organization: The AT25640N-10SI-1.8 offers a memory size of 64Kbit, organized as 8K x 8. This configuration provides a balance between memory capacity and addressability, making it suitable for applications that require moderate memory storage.
- Clock Frequency: With a clock frequency of 3 MHz, the chip ensures fast data transfer rates, which is crucial for applications that require quick read and write operations.
- Voltage Range: The supply voltage range of 1.8V to 3.6V makes the AT25640N-10SI-1.8 compatible with a variety of power supply systems, enhancing its versatility.
- Write Cycle Time: The write cycle time for a word or page is 5ms, which is relatively fast compared to similar EEPROM devices, ensuring efficient data storage and retrieval.
- Mounting Type: The surface mount technology (SMT) used in the AT25640N-10SI-1.8 allows for compact and reliable integration into modern electronic circuits.
- Package Type: The chip comes in an 8SOIC package, which is robust and suitable for various industrial and commercial applications.
- Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the AT25640N-10SI-1.8 is highly resistant to moisture, making it ideal for use in humid environments.
- Regulatory Compliance: The chip is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.
AT25640N-10SI-1.8 Applications
The AT25640N-10SI-1.8 is well-suited for a variety of applications due to its robust performance and compatibility. Some specific use cases include:
- Embedded Systems: Ideal for embedded systems where moderate memory storage and fast data access required are. The 3 MHz clock frequency and 5ms write cycle time ensure efficient operation.
- Industrial Control Systems: The chip's resistance to moisture and wide voltage range make it suitable for industrial environments where reliability and durability are paramount.
- Consumer Electronics: The AT25640N-10SI-1.8 can be used in consumer electronics for storing configuration data and firmware, ensuring quick boot-up and reliable operation.
- Automotive Applications: The robustness and reliability of the chip make it suitable for automotive applications where it can be used for storing critical data such as calibration parameters and diagnostic information###.
Conclusion of AT25640N-10SI-1.8
The AT25640N-10SI-1.8 by Microchip Technology is a versatile EEPROM memory IC chip that offers a balance of memory capacity, speed, and reliability. Despite being marked as obsolete, its unique features and performance benefits make it an ideal choice for specific applications where its attributes are required. The chip's compatibility with a wide range of voltage supplies, fast write cycle time, and robust packaging ensure that it remains a reliable component in various electronic systems. Whether used in embedded systems, industrial control, consumer electronics, or automotive applications, the AT25640N-10SI-1.8 provides a dependable solution for moderate memory storage needs.



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