| Название | Описание | Производитель | Корпус | Выводы | Темп. Диапазон | Файл PDF |
| AT89C51-12PI | 8-bit microcontroller with 4K bytes flash, 5V, 12MHz | ATMEL Corporation | PDIP | 40 | -40°C | 85°C | AT89C51-12PI datasheet (129K) |
| AT89C51-12QA | 8-bit microcontroller with 4K bytes flash, 5V, 12MHz | ATMEL Corporation | PQFP | 44 | -40°C | 105°C | AT89C51-12QA datasheet (129K) |
| AT89C51-12QC | 8-bit microcontroller with 4K bytes flash, 5V, 12MHz | ATMEL Corporation | PQFP | 44 | 0°C | 70°C | AT89C51-12QC datasheet (129K) |
| AT89C51-12QI | 8-bit microcontroller with 4K bytes flash, 5V, 12MHz | ATMEL Corporation | PQFP | 44 | -40°C | 85°C | AT89C51-12QI datasheet (129K) |
| AT89C51-16AA | 8-bit microcontroller with 4K bytes flash, 5V, 16MHz | ATMEL Corporation | TQFP | 44 | -40°C | 105°C | AT89C51-16AA datasheet (129K) |
| AT89C51-16AC | 8-bit microcontroller with 4K bytes flash, 5V, 16MHz | ATMEL Corporation | TQFP | 44 | 0°C | 70°C | AT89C51-16AC datasheet (129K) |
| AT89C51-16AI | 8-bit microcontroller with 4K bytes flash, 5V, 16MHz | ATMEL Corporation | TQFP | 44 | -40°C | 85°C | AT89C51-16AI datasheet (129K) |
| AT89C51-16JA | 8-bit microcontroller with 4K bytes flash, 5V, 16MHz | ATMEL Corporation | PLCC | 44 | -40°C | 105°C | AT89C51-16JA datasheet (129K) |
| AT89C51-16JC | 8-bit microcontroller with 4K bytes flash, 5V, 16MHz | ATMEL Corporation | PLCC | 44 | 0°C | 70°C | AT89C51-16JC datasheet (129K) |
| AT89C51-16JI | 8-bit microcontroller with 4K bytes flash, 5V, 16MHz | ATMEL Corporation | PLCC | 44 | -40°C | 85°C | AT89C51-16JI datasheet (129K) |
