The S29GL128S90GHI020 is a 128 Mb parallel NOR flash memory using 65 nm MIRRORBIT™ Eclipse technology, featuring a 16-bit data bus and 90 ns random access with 15 ns page access. Operating from 2.7 V to 3.6 V with I/O from 1.65 V to VCC, it offers a 512-byte write buffer, internal ECC, and advanced sector protection.