4 Mbit (x16) Multi-Purpose Flash Plus SST39VF401C .
SST39LF402C - 4 Mbit (x16) Multi-Purpose Flash Plus
4 Mbit (x16) Multi-Purpose Flash Plus SST39VF401C / SST39VF402C / SST39LF401C / SST39LF402C Data Sheet SST39VF401C / SST39VF402C / SST39LF401C / SST3.