Microchip Technology

25AA640AT-E/MS

25AA640AT-E/MS Description

The 25AA640AT-E/MS is a high-performance EEPROM memory IC chip designed by Microchip Technology, featuring a 64Kbit memory size organized in an 8K x 8 format. This device is optimized for SPI communication and operates at a clock frequency of up to 10 MHz, ensuring fast data transfer rates. The 25AA640AT-E/MS supports a wide supply voltage range of 1.8V to 5.5V, making it suitable for various electronic systems with different power supply requirements. The chip is available in a surface-mount 8MSOP package, which is ideal for compact designs and high-density PCB layouts. The product is programmable through DigiKey, verified for reliability and ease of use. With a write cycle time of 5ms for word and page operations, the 25AA640AT-E/MS ensures efficient data handling. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It is classified under ECCN EAR99 and HTSUS 8542.32.0051, and is packaged in tape and reel format for convenient handling and assembly. The moisture sensitivity level (MSL) is 1 (unlimited), ensuring robustness against environmental conditions.

25AA640AT-E/MS Features

• High-Speed SPI Interface: The 25AA640AT-E/MS supports a fast SPI interface with a clock frequency of up to 10 MHz, enabling rapid data communication and reducing system latency.
• Wide Voltage Range: The device operates within a broad supply voltage range of 1.8V to 5.5V, providing flexibility and compatibility with various power supply configurations.
• Efficient Write Cycle: With a write cycle time of 5ms for word and page operations, the 25AA640AT-E/MS ensures quick data storage and retrieval, enhancing overall system performance.
• Durable Packaging: The surface-mount 8MSOP package is designed for robustness and compactness, making it suitable for space-constrained applications and ensuring reliable performance.
• Environmental Compliance: The 25AA640AT-E/MS is REACH unaffected and RoHS3 compliant, meeting the highest environmental and safety standards, which is crucial for global market compliance.
• Programmability: Verified DigiKey programmability ensures ease of use and reliability, simplifying the development and integration process for engineers.
• Moisture Resistance: The MSL 1 (unlimited) rating ensures that the device is highly resistant to moisture, making it suitable for a wide range of environmental conditions.

25AA640AT-E/MS Applications

The 25AA640AT-E/MS is ideal for a variety of applications where reliable, high-speed, and compact memory solutions are required. Some specific use cases include:

• Embedded Systems: Ideal for microcontroller-based systems that require non-volatile memory for storing configuration data, firmware, and other critical information.
• Industrial Automation: Suitable for industrial control systems where robustness, reliability, and quick data access are essential for maintaining efficient operations.
• Consumer Electronics: Applicable in devices such as smart meters, home automation systems, and IoT devices that need compact and reliable memory solutions.
• Telecommunications: Can be used in communication equipment for storing calibration data, network settings, and other essential parameters.
• Automotive Electronics: Fits well in automotive applications where environmental robustness and reliability are paramount, such as in engine control units and infotainment systems.

Conclusion of 25AA640AT-E/MS

The 25AA640AT-E/MS from Microchip Technology is a versatile and high-performance EEPROM memory IC chip that offers significant advantages over similar models. Its high-speed SPI interface, wide voltage range, and efficient write cycle time make it an excellent choice for applications requiring fast and reliable data storage. The device's compact surface-mount package, environmental compliance, and programmability further enhance its appeal. With its robust design and broad application scope, the 25AA640AT-E/MS is a reliable solution for engineers looking to integrate non-volatile memory into their electronic systems.