- AT89C51RB2-RLRUL
- AT89C51RB2-RLRUM
- AT89C51RB2-RLTCM
- AT89C51RB2-RLTIL
- AT89C51RB2-RLTIM
- AT89C51RB2-RLTUL
- AT89C51RB2RLTUM
- AT89C51RB2-RLTUM
- AT89C51RB2-SLRIL
- AT89C51RB2-SLRIM
- AT89C51RB2-SLRUL
- AT89C51RB2-SLRUM
- AT89C51RB2-SLSC
- AT89C51RB2-SLSCM
- AT89C51RB2-SLSIL
- AT89C51RB2-SLSILIC
- AT89C51RB2SLSIM
- AT89C51RB2-SLSIM
- AT89C51RB2-SLSUL
- AT89C51RB2SLSUM
- AT89C51RB2-SLSUM
- AT89C51RB2-UL
- AT89C51RB2-UM
- AT89C51RBI-SLSIM
- AT89C51RC
- AT89C51RC2
- AT89C51-RC2
- AT89C51RC2-1 L
- AT89C51RC2-1L
- AT89C51RC2-1M
- AT89C51RC23CSIM
- AT89C51RC2-3CSIM
- AT89C51RC23CSUM
- AT89C51RC2-3CSUM
- AT89C51RC2-3CSUM 6000
- AT89C51RC-24AC
- AT89C51RC-24AI
- AT89C51RC-24AU
- AT89C51RC-24JC
- AT89C51RC24JI
- AT89C51RC-24JI
- AT89C51RC-24JJ
- AT89C51RC24JT
- AT89C51RC24JU
- AT89C51RC-24JU
- AT89C51RC-24PC
- AT89C51RC24PI
- AT89C51RC-24PI
- AT89C51RC24PU
- AT89C51RC-24PU
- AT89C51RC2-CM
- AT89C51RC2-CV
- AT89C51RC2DSLSCM
- AT89C51RC2-IL
- AT89C51RC2-IM
- AT89C51RC2-IM(PROG)
- AT89C51RC2-IV
- AT89C51RC2L3-SLSCM
- AT89C51RC2-OM
- AT89C51RC2-RLRIL
- AT89C51RC2-RLRIM
- AT89C51RC2-RLRUL
- AT89C51RC2RLTCM
- AT89C51RC2-RLTIL
- AT89C51RC2RLTIM
- AT89C51RC2-RLTIM
- AT89C51RC2-RLTUL
- AT89C51RC2RLTUM
- AT89C51RC2-RLTUM
- AT89C51RC2-RLTUM(PROG)
- AT89C51RC2-SLIM(PROG)
- AT89C51RC2-SLRIL
- AT89C51RC2-SLRIM
- AT89C51RC2-SLRUL
- AT89C51RC2-SLRUM
- AT89C51RC2SLSCM
- AT89C51RC2-SLSCM
- AT89C51RC2-SLSIL
- AT89C51RC2SLSIM
- AT89C51RC2-SLSIM
- AT89C51RC2-SLSIM(PROG)
- AT89C51RC2SLSUL
- AT89C51RC2-SLSUL
- AT89C51RC2SLSUM
- AT89C51RC2-SLSUM
- AT89C51RC2-SLSUM 1000
- AT89C51RC2-SLSUM 8000
- AT89C51RC2-UL
- AT89C51RC2-UM
- AT89C51RC-33AC
- AT89C51RC-33AI
- AT89C51RC-33JC
- AT89C51RC-33PC
- AT89C51RC-CM
- AT89C51RD2
- AT89C51-RD2
- AT89C51RD2-1M
- AT89C51-RD2-3CSIM
- AT89C51RD2-3CSIM
- AT89C51RD2-CL