AT89C51-20QC
AT89C5121-ICSUL
AT89C5121-SK1
AT89C5121-YSUL
AT89C5122
AT89C5122D-ALRUM
AT89C5122D-ALTUM
AT89C5122D-IM
AT89C5122D-PSTUM
AT89C5122D-RDRIM
18138401919