The S29AL016J55FFAR20 is a 16 Mbit, 3 V boot sector Flash memory with access times as fast as 55 ns and a supply voltage range of 2.7 V to 3.6 V. It supports 2M × 8-bit and 1M × 16-bit organizations, meets automotive AEC-Q100 Grade 1 requirements, and offers standby and sleep currents of 0.2 µA. Key features include secured silicon sector, flexible sector architecture, JEDEC command compatibility, and hardware sector protection. Used in automotive ECUs and embedded systems.