The S29GL256P90FFIR20 is a 256 Mbit (32 MB) page-mode Flash memory built on 90 nm MirrorBit technology, supporting single 3 V read, program, and erase with VCC from 2.7 V to 3.6 V and VersatileIO for VIO from 1.65 V to VCC. It offers 90 ns random access, 25 ns page access, and a 32-word write buffer for fast programming. With 256 uniform 128 KB sectors, advanced sector protection, and a secured silicon sector, it is ideal for embedded systems requiring high reliability.