The W25Q16FWUUIQ TR is a NOR Flash spiFlash manufactured by Winbond. It is 1.8V with 16M-bit capacity and a 4Kb uniform sector. It is a versatile memory IC, with functions like OTP, Page Erase, and Quad Peripheral Interface. The chip is capable of supporting SPI modes 0, 1, 2, and 3, as well as Dual-I/O and Quad I/O protocols. The device has an EEPROM-like sector architecture, allowing for minimized write operations and less read latency. It is also additionally protected with hardware-based features to reduce interferences and noise during operation. It is suitable for applications requiring high-speed and high-capacity serial EEPROM memory.