The 25AA040AT-I/SN is a 4K SPI Bus Serial EEPROM from Microchip Technology, designed for storage applications that require low power consumption and a small footprint. This device is a part of Microchip's renowned EEPROM product line, which is known for its reliability and performance in a variety of applications.

Key Features

• Memory Size: The device offers 4 Kbits (512 x 8) of memory, providing sufficient space for configuration parameters, serial numbers, calibration data, and more.
• Interface: It utilizes a Serial Peripheral Interface (SPI) bus, which ensures high-speed data transfer with a simple and efficient communication protocol.
• Operating Voltage: The EEPROM operates at a voltage range of 1.8V to 5.5V, making it versatile for various low-power and standard applications.
• Temperature Range: It is designed to operate over the industrial temperature range of -40°C to +85°C, ensuring reliability in harsh environments.
• Packaging: This product comes in an 8-pin SOIC (SN) package, offering a compact footprint for space-constrained applications.
• Write Protection: It includes a write-protect feature to prevent accidental overwrites and preserve the integrity of stored data.

Applications

The 25AA040AT-I/SN is well-suited for a wide range of applications, including:

• Embedded systems
• Consumer electronics
• Industrial control systems
• Medical devices
• Automotive applications

Product Advantages

Microchip Technology's 25AA040AT-I/SN stands out for its ease of integration, low power consumption, and robust performance. Its SPI interface allows for seamless integration with microcontrollers and processors, while its wide voltage range and temperature resilience make it an ideal choice for demanding applications. With write-protection capabilities, it ensures the safety and security of critical data.

Ordering Information

To order or obtain more information about the 25AA040AT-I/SN EEPROM, contact Microchip Technology or visit their official website. This product is available through Microchip's extensive distribution network, ensuring global availability and support.