The M24LR04E-R from STMicroelectronics is a dynamic NFC/RFID tag IC with a dual interface, combining a traditional I2C interface and an ISO 15693 RF interface. This innovative product is part of ST's M24LR series, designed to offer flexibility and ease of integration for applications requiring both contactless and contact communication capabilities.

With a memory density of 4 Kbits, the M24LR04E-R provides sufficient storage for a variety of data, including setup parameters, identification information, and small amounts of user data. It is particularly well-suited for applications in consumer electronics, industrial, healthcare, and the Internet of Things (IoT), where the dual interface can enhance user experience and functionality.

Key Features:

• Memory Size: 4 Kbits of EEPROM
• Dual Interface: I2C and ISO 15693 RF interface for contactless communication
• Energy Harvesting: Capable of harvesting energy from the RF field, reducing the need for an external power supply
• Fast Transfer Mode: High-speed RF communication up to 53 kbit/s
• Data Protection: Configurable password protection for both I2C and RF interfaces
• Endurance: High cycling endurance with 1 million write cycles and data retention of 40 years
• Operating Temperature: -40°C to +85°C, suitable for harsh environments

The M24LR04E-R's energy harvesting capability allows it to power external components, such as a microcontroller, from the energy collected via its RF interface. This feature, coupled with the device's low-power operation, makes it an ideal choice for battery-less systems or applications where battery life extension is crucial.

Overall, the M24LR04E-R is a versatile and reliable choice for designers looking to incorporate NFC/RFID functionality into their products. Its dual interface and energy harvesting features not only facilitate creative design possibilities but also contribute to more sustainable and energy-efficient solutions.