Microchip Technology

25AA640XT-I/ST

25AA640XT-I/ST Description

The 25AA640XT-I/ST is a high-performance, 64Kbit EEPROM memory IC chip designed by Microchip Technology. This device is optimized for a wide range of applications requiring reliable and efficient data storage and retrieval. The 25AA640XT-I/ST features an 8K x 8 memory organization, providing a total of 64Kbit of non-volatile memory. It operates with a clock frequency of 1 MHz, ensuring fast data access and communication through its SPI memory interface. The chip supports a wide supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations.

The 25AA640XT-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 assembly processes. The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.

25AA640XT-I/ST Features

• Memory Size and Organization: The 25AA640XT-I/ST offers 64Kbit of EEPROM memory organized in an 8K x 8 format, providing ample storage for data logging, configuration parameters, and firmware storage.
• Fast Data Access: With a clock frequency of 1 MHz, the device ensures rapid data read and write operations, crucial for real-time applications.
• Wide Voltage Range: The ability to operate within a 1.8V to 5.5V supply voltage range makes it versatile for different power supply environments.
• SPI Interface: The SPI memory interface simplifies communication with microcontrollers and other system components, ensuring seamless integration.
• Write Cycle Time: The write cycle time for a word or page is 5ms, ensuring efficient data storage without significant delays.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the 25AA640XT-I/ST is highly resistant to moisture, ensuring reliability in various environmental conditions.
• Mounting Type: The surface-mount technology (SMT) ensures a compact footprint and ease of integration into modern PCB designs.

25AA640XT-I/ST Applications

The 25AA640XT-I/ST is well-suited for a variety of applications where reliable and efficient data storage is essential. Some specific use cases include:

• Industrial Control Systems: For storing configuration parameters and calibration data in industrial automation and control systems.
• Consumer Electronics: Ideal for storing firmware and user settings in devices such as smart home appliances, digital cameras, and portable media players.
• Telecommunications: Used in base stations and networking equipment for storing critical configuration data and logs.
• Automotive Electronics: For storing essential data in automotive systems, such as engine control units and infotainment systems.
• Medical Devices: Ensuring reliable data storage for medical equipment, such as patient monitors and diagnostic devices.

Conclusion of 25AA640XT-I/ST

The 25AA640XT-I/ST from Microchip Technology is a robust and versatile EEPROM memory IC chip that offers significant advantages over similar models. Its combination of high memory capacity, fast data access, and wide voltage range makes it an ideal choice for a wide range of applications. The device's environmental compliance and moisture resistance further enhance its reliability and suitability for diverse operating conditions. Whether used in industrial control systems, consumer electronics, or medical devices, the 25AA640XT-I/ST provides a reliable and efficient solution for non-volatile data storage.