The S29AL008J55TFIR23 is an 8-megabit (1 megabyte) Flash memory IC made by Infineon Technologies. It has a supply voltage range of 2.7 to 3.6 volts and a maximum frequency of 66MHz. The device comprises two banks of 4,096 bytes and uses a 3-byte address for access. Features of the device include 48-bit unique ID, advanced erase/program suspension, 10-year data retention, and 256- or 49-byte programmable write-lock configurations. The package of the device is a 48-pin TSOP Type I with a body size of 8 x 20 mm.