The S29GL256S90FAI023 is a 256 Mb, 3.0 V parallel NOR flash memory utilizing 65 nm MIRRORBIT™ Eclipse technology. It features a 16-bit data bus, 90 ns random access, 15 ns page access, and a 512-byte write buffer for fast programming. Supporting VIO from 1.65 V to VCC, it offers advanced sector protection and internal ECC.