BUY DS2411R+T&R https://www.utsource.net/itm/p/5604484.html
IC SILICON SERIAL NUMBER SOT23-3
The DS2411R+T&R is a silicon serial number IC from Maxim Integrated. It is a 1-Wire device that provides a unique 64-bit registration number, which is factory-lasered into the chip. It is available in a SOT-23 package and operates over a temperature range of -40°C to +85°C. Description: The DS2411R+T&R is a 1-Wire device that provides a unique 64-bit registration number, which is factory-lasered into the chip. It is available in a SOT-23 package and operates over a temperature range of -40°C to +85°C. Features: * 64-bit registration number factory-lasered into the chip * Low-power CMOS technology * Operating voltage range: 2.8V to 5.25V * Operating temperature range: -40°C to +85°C * SOT-23 package Applications: * Identification and authentication * Asset tracking * Access control * Security systems * Automotive systems * Industrial systems (For reference only)