AT25FF041A 4Mbit SPI Serial Flash Memory Renesas / Dialog AT25FF041A 4Mbit SPI Serial Flash Memory is a standard class code and data storage solution for systems that require fast Read performance and low Sleep power for boot/code shadowing and Execute-in-Place tasks. The AT25FF041A offers a universally compatible pinout/command set and supports Dual IO, Quad IO, and XiP operation. The Renesas / Dialog AT25FF041A Flash Memory features low power consumption and a wide operating voltage range, optimized for battery-powered designs.