The AT25SF161B-UUB-T is a 16 Megabit SPI Serial Flash memory device manufactured by Adesto Technologies. It is designed for a wide range of digital applications, where reliable and speedy data storage is essential. Operating over a wide voltage range, this device is an ideal choice for battery-operated and portable devices. Its Serial Peripheral Interface (SPI) supports standard, dual, and quad I/O operations, enhancing its transfer speed capabilities and making it highly efficient for applications like real-time data logging, firmware updates, and configuration data storage. The compact UDFN-8 (Ultra-Thin Dual Flat No-lead) package enables minimal PCB space usage, making it particularly suitable for space-constrained applications in consumer electronics, industrial controls, and the Internet of Things (IoT).