The MX25V1635FM2I/TUBE is a 16Mbit (2M x 8bit) Serial Flash Memory manufactured by Macronix. It is provided as a WSON-8 package, in a tube type and has a maximum operating temperature range of -40°C to 85°C. It offers fast read performance of up to 66MHz and supports various serial peripheral interface (SPI) modes, including standard, dual I/O, quad I/O and QPI. It has an operating voltage range of 1.7V to 3.6V, with a write voltage range of 1.65V to 3.6V. The MX25V1635FM2I/TUBE features Read ID, Read Status Register, Write Status Register and Write Enable instructions. It also provides 16 general-purpose output (GPIO) pins.