16-Mbit, 1.65V-Minimum, 100MHz RapidS Dual-I/O Serial Flash, SPI Mode 0 and 3 compatible, byte and page programmable, block erase (4KB, 32KB, 64KB) and chip erase, individual sector protection with global protect/unprotect feature, sector lockdown with permanent freeze option, automatic erase/program fail checking/reporting, JEDEC standard ID, 8-lead SOIC (150-mil), 8-pad UDFN (5mm x 6mm x 0.6mm), 8-ball dBGA (WLCSP).