The S25FL128SAGMFI001 is a 128Mb 3V 133MHz Serial NOR Flash manufactured by Infineon. This device is designed with a low-power serial peripheral interface (SPI) that is ideal for embedded systems with limited computing resources. It has a maximum clock rate of 20MHz and features a page program time of 45µs, 80 ns sector erase time, and 400 ms full chip erase time. The S25FL128SAGMFI001 includes 128Kbytes of memory, organized into 256 sectors of 512 bytes each, and features 64-byte page programming, and data protection. It also offers advanced security features such as bit locking, block locking, and sector locking that can help protect data. The device is ideal for applications such as data storage, system code, data security, and code-execution, and is ideal for applications requiring high-speed read access.