The S29AL016J55TFNR10 is a 16 Mbit boot sector Flash memory with 2M × 8-bit or 1M × 16-bit organization, operating from a single 2.7 V to 3.6 V supply and 55 ns access time. It features top boot block configuration, extended temperature range (-40°C to +125°C), and a 48-pin TSOP package. The device supports in-system programming, JEDEC compatibility, and sector group protection. Meeting AEC-Q100 Grade 1, it is ideal for automotive and industrial code storage.