The 24AA025E48T-I/OT is a highly reliable, low-density serial Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology. It is designed to add external memory to any device with limited storage and a serial interface. This particular model comes in a tiny SOT-23 package, making it ideal for space-constrained applications.

Key Features

• Memory Size: The device features a 2 Kbit (256 x 8) memory size, providing sufficient space for device configurations, serial numbers, calibration data, and small application logs.
• Interface: It utilizes the I²C (Inter-Integrated Circuit) serial interface, ensuring easy integration with most microcontrollers and processors with minimal pin usage.
• Unique MAC Address: A built-in 48-bit globally unique MAC (Media Access Control) address makes this EEPROM particularly useful for networked devices, removing the need for additional network controller hardware.
• Operating Voltage: It operates across a broad voltage range from 1.7V to 5.5V, making it versatile for various applications and compatible with both 3.3V and 5V logic levels.
• Temperature Range: The device is operational over the industrial temperature range of -40°C to +85°C, ensuring reliability under extreme conditions.
• Write Cycle Time: The EEPROM features a maximum write cycle time of 5 ms, enabling quick data updates and storage.
• Endurance: It boasts a high endurance of 1 million write cycles and a data retention period of over 200 years, making it a robust choice for long-term applications.

Applications

The 24AA025E48T-I/OT is suitable for a wide array of applications, including:

• Network equipment identification and configuration storage
• Wireless devices requiring unique MAC addresses
• Industrial and automotive systems for calibration data storage
• Consumer electronics for preference settings and usage records

With its small footprint, ease of integration, and unique MAC address, the 24AA025E48T-I/OT from Microchip Technology is an excellent choice for designers looking to add reliable memory to their embedded systems.