The MICROCHIP TECH. part SST25VF040B-50-4I-S2AF-T is a member of the SST25VF Series, offering a 4 Mbit capacity organized as 512 K x 8. This Surface Mount SPI Serial Flash operates at 3 V and is housed in a compact SOIC-8 package. Ideal for applications requiring non-volatile memory storage and fast, serial peripheral interface communication.