Microchip has released a new, cascadeable I²C serial EEPROM device with pre-programmed EUI-48 node addresses. Also EUI-64 compatible, the 24AA025E48 enables designers to add MAC addresses to their designs on the fly. The address pins on this device further enable designers to add more memory to their application, by allowing them to cascade up to eight EEPROM devices onto the I²C bus. Designers can add these capabilities without changing their existing I²C serial EEPROM device, and without having to pay for and register a block of code with the IEEE. Costs associated with serialisation or programming are also eliminated, and the devices can be purchased without restrictions on volume, allowing designers to buy codes only when needed.
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