MX25R Ultra Low Power Serial NOR Flash Macronix MX25R Ultra Low Power Serial NOR Flash is a family of memory products with a wide range Vcc, suitable for use in a wide variety of IoT and other energy-conscious applications, such as wearable and mobile devices. MX25R devices feature ultra-low power consumption, 60% lower than that of traditional products, and a wide 1.65V to 3.6V range, enabling extended battery life. The family offers densities from 512Kb to 64Mb. The Macronix MX25R supports the standard Serial NOR Flash memory interface, providing ultra-small product packages such as USON and WLCSP, and KGD (Known Good Die) products for SiP (System in Package) solutions.