Microchip Technology

25AA640AXT-I/ST

25AA640AXT-I/ST Description

The 25AA640AXT-I/ST is a high-performance, 64Kbit EEPROM memory IC designed for a wide range of applications requiring reliable and efficient data storage solutions. Manufactured by Microchip Technology, this device offers a robust combination of features and performance benefits, making it an ideal choice for various electronic systems.

The 25AA640AXT-I/ST features a memory organization of 8K x 8, providing a total memory size of 64Kbit. It operates with a clock frequency of up to 10 MHz, ensuring fast data transfer rates and efficient performance. The memory interface is based on the SPI protocol, which is widely used in the industry for its simplicity and reliability. This device supports a wide supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations.

The 25AA640AXT-I/ST is packaged in a surface-mount 8TSSOP format, which is ideal for compact and space-constrained designs. It is available in a tape and reel (TR) package, facilitating easy handling and integration into automated manufacturing processes. The device is REACH unaffected and RoHS3 compliant, ensuring compliance with environmental regulations and standards.

25AA640AXT-I/ST Features

• Memory Size and Organization: The 25AA640AXT-I/ST offers a total memory size of 64Kbit, organized as 8K x 8, providing ample storage for various data requirements.
• Clock Frequency: With a maximum clock frequency of 10 MHz, this EEPROM ensures fast data transfer and efficient operation.
• Memory Interface: The SPI interface simplifies communication with microcontrollers and other system components, ensuring seamless integration.
• Wide Voltage Range: The device operates within a supply voltage range of 1.8V to 5.5V, making it versatile for different power supply configurations.
• Write Cycle Time: The write cycle time for a word or page is 5ms, ensuring quick data write operations.
• Surface Mount Packaging: The 8TSSOP package is ideal for compact designs and surface-mount applications, facilitating easy integration into modern electronic systems.
• Environmental Compliance: The 25AA640AXT-I/ST is REACH unaffected and RoHS3 compliant, ensuring compliance with environmental regulations.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments without the need for special handling precautions.

25AA640AXT-I/ST Applications

The 25AA640AXT-I/ST is well-suited for a variety of applications where reliable and efficient data storage is critical. Some specific use cases include:

• Embedded Systems: Ideal for storing configuration data, calibration parameters, and firmware updates in embedded systems.
• Industrial Control: Suitable for storing critical system parameters and operational data in industrial control applications.
• Consumer Electronics: Can be used in consumer electronics devices for storing user settings, preferences, and other non-volatile data.
• Automotive Systems: Applicable in automotive electronics for storing essential data such as vehicle configuration, diagnostic information, and calibration parameters.
• Telecommunications: Useful in telecommunications equipment for storing network configuration data and other critical information.

Conclusion of 25AA640AXT-I/ST

The 25AA640AXT-I/ST is a versatile and reliable EEPROM memory IC that offers a comprehensive set of features and performance benefits. Its wide voltage range, fast clock frequency, and SPI interface make it an excellent choice for a variety of applications. The device's compliance with environmental regulations and its robust packaging ensure ease of integration and long-term reliability. Whether used in embedded systems, industrial control, consumer electronics, automotive systems, or telecommunications, the 25AA640AXT-I/ST provides a dependable and efficient data storage solution.