MX28F980PC-12 MX28F980PC-15 MX28F980PC-70 MX28F980PC-90 MX28F980PPC-12C4 MX28F980PPI-90 MX28F980PQC-90C4 MX28F980PTC-90C4 MX28L12811MC-10 MX28L284AEC