AT89C51RD2-RLRIM
AT89C51RD2-RLRUM
AT89C51RD2-RLTIM
AT89C51RD2-RLTUM
AT89C51RD2RUM
AT89C51RD2-SLRIM
AT89C51RD2-SLRUM
AT89C51RD2-SLSCM
AT89C51RD2-SLSIM