RONBH25D40ASUIG is a serial NOR Flash memory device manufactured by Micron Technology. It is a 2x3mm, 8-pin package with USON-8-EP leadframe and RoHS compliant material. This memory device has a memory density of 25 Mb and supports both Single and Quad SPI operations with operating voltages of 1.7-3.6V. It features fast read speeds up to 104MHz and double data rate (DDR) operation at 112MHz. Additionally, the device also has a Dual Output Fast Read (DOFR) feature that allows for faster read access times. It is a low-cost, reliable, and programmable solution ideal for embedded designs in harsh environments.