4 Mbit Flash + 1 Mbit or 256 Kbit SRAM ComboMemory.
SST31LF043A - 4 Mbit Flash 1 Mbit or 256 Kbit SRAM ComboMemory
4 Mbit Flash + 1 Mbit or 256 Kbit SRAM ComboMemory SST31LF041 / SST31LF041A / SST31LF043 / SST31LF043A SST31LF041 / 041A4Mb Flash (x8) + 1 Mb SRAM (x8.