AT89C51RE2-RLTUM
AT89C51RE2-SLRUM
AT89C51RE2-SLSUM
AT89C51RE2TUM
AT89C51SND1B-ROTUL
AT89C51SND1C-1L
AT89C51SND1C-7HTUL
AT89C51SND1C-DDW
AT89C51SND1C-IL
AT89C51SND1C-IL/UL