Microchip Technology

25AA040XT/ST

25AA040XT/ST Description

The 25AA040XT/ST is a 4Kbit EEPROM memory IC chip designed by Microchip Technology. This chip features a SPI memory interface and operates at a clock frequency of 1 MHz. It is organized into 512 x 8 memory architecture, providing efficient data storage and retrieval. The device supports a wide supply voltage range of 1.8V to 5.5V, making it suitable for various power supply environments. It operates within a temperature range of 0°C to 70°C (TA), ensuring reliable performance in standard industrial conditions. The 25AA040XT/ST is available in a surface mount package, specifically in a Tape & Reel (TR) format, which is ideal for automated assembly processes.

25AA040XT/ST Features

• Memory Organization: The 25AA040XT/ST features a 512 x 8 memory organization, offering a total of 4Kbit of EEPROM storage. This structure allows for efficient data management and quick access to stored information.
• Wide Voltage Range: With a supply voltage range of 1.8V to 5.5V, the 25AA040XT/ST is highly versatile and can be integrated into systems with varying power supply requirements.
• Fast Write Cycle Time: The device boasts a write cycle time of 5ms per word or page, ensuring rapid data storage and minimal latency in data-intensive applications.
• SPI Interface: The SPI memory interface provides a straightforward and efficient communication protocol, facilitating easy integration with microcontrollers and other system components.
• Surface Mount Technology: The surface mount package type, specifically Tape & Reel (TR), is designed for automated assembly processes, enhancing production efficiency and reliability.
• Compliance and Safety: The 25AA040XT/ST is REACH unaffected and RoHS3 compliant, ensuring it meets environmental safety and standards for modern electronics manufacturing.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is highly resistant to moisture, making it suitable for a wide range of environmental conditions.

25AA040XT/ST Applications

The 25AA040XT/ST is ideal for a variety of applications where reliable, non-volatile memory storage is required. Some specific use cases include:

• Embedded Systems: The 25AA040XT/ST is well-suited for embedded systems that require fast and reliable data storage. Its SPI interface and fast write cycle time make it an excellent choice for applications where data integrity and quick access are critical.
• Industrial Automation: The wide operating temperature range and robust moisture sensitivity level make the 25AA040XT/ST suitable for industrial environments where reliability and durability are paramount.
• Consumer Electronics: In consumer electronics, the 25AA040XT/ST can be used for storing configuration data, firmware updates, and other critical information that needs to be retained even when power is lost.
• Automotive Applications: The device's wide voltage range and reliable performance make it suitable for automotive applications where power supply fluctuations and environmental conditions can be challenging.

Conclusion of 25AA040XT/ST

The 25AA040XT/ST from Microchip Technology is a versatile and reliable 4Kbit EEPROM memory IC chip. Its wide voltage range, fast write cycle time, and SPI interface make it an excellent choice for a variety of applications, including embedded systems, industrial automation, consumer electronics, and automotive applications. The device's compliance with environmental and safety standards, along with its robust moisture sensitivity level, ensures it meets the demands of modern electronics manufacturing. While the product is now obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing systems and legacy applications.