| MPN | MFG | Qty | PKG | D/C | SELECT |
| AT8992 | ATAN | 320 | QFP | ||
| AT89C1051-24PI | ATMEL | 70 | DIP | ||
| AT89C2051-12PC | ATMEL | 64 | DIP20 | ||
| AT89C4051-12PI | ATMEL | 54 | DIP20 | ||
| AT89C51-16JC | ATMEL | 24 | PLCC44 | ||
| AT89C51-20PI | ATMEL | 112 | DIP40 | ||
| AT89C5122D-PSFIM | ATMEL | 5265 | QFN-64P | ||
| AT89C51-24I | ATMEL | 58 | TQFP | ||
| AT89C51-24QC | ATMEL | 512 | TQFP44 | ||
| AT89C5131A-S3SIM | ATMEL | 4009 | PLCC52 | ||
| AT89C51CC02CA-UM | ATMEL | 850 | SOP28 | ||
| AT89C51IC2-IL | ATMEL | 1319 | QFP44 | ||
| AT89C51ID2-RLTUM | ATMEL | 1383 | QFP44 | ||
| AT89C51RB2-CM | ATMEL | 4992 | QFP | ||
| AT89C51RC-24AU | ATMEL | 11022 | QFP | ||
| AT89C51RC2-CM | ATMEL | 148 | QFP | ||
| AT89C51RD2-CL | ATMEL | 72 | PLCC | ||
| AT89C51RD2-UM | ATMEL | 20 | TQFP | ||
| AT89C51SND1C-IL | ATMEL | 71 | QFP | ||
| AT89C51SND2C-ULA | ATMEL | 77 | BGA |