64 Mbit (x16) Advanced Multi-Purpose Flash Plus The SST38VF6401 device is a 4M x16 CMOS Advanced Multi-Purpose Flash Plus (Advanced MPF+) manufactured with SST proprietary, high-performance CMOS SuperFlash technology. The split-gate cell design and thick-oxide tunneling injector attain better reliability and manufacturability compared with alternate approaches. The SST38VF6401 writes (Program or Erase) with a 2.... More about this product.