The S29GL256P90TFIR23 is a 256 Mbit, 3 V page-mode Flash memory device based on 90 nm MirrorBit technology, delivering 25 ns page and 90 ns random access times. It provides a 32-word/64-byte write buffer, uniform 128 Kbyte sectors, and VersatileIO control for I/O voltages from 1.65 V to VCC. Advanced sector protection, suspend/resume commands, and a secured silicon sector enhance reliability and data security.