This component is an 8-lead, very thin, 150-mil pitch, SOP (small-outline package) with read-only NOR flash memory produced by XTX. The part number is XT25W04DSOIGU with RoHS compliant production standards. This component is capable of storing 4 megabi of memory, which is a non-volatile type, and offers simple read/write operations with a standard 2-wire interface. Its primary application in this package is for the storage of programs and data which require frequent updating in the industrial, home appliance, medical instrument, automotive and other electronic products.