- AT89C51-12
- Atmel Corporation
- AT89C51-12
- AT89C51-12AA
- Atmel Corporation
- 8-Bit Microcontroller with 4K Bytes Flash
- AT89C51-12AC
- Atmel Corporation
- 8 Bit Microcontroller with 4 kByte Flash
- AT89C51-12AI
- Atmel Corporation
- 8-Bit Microcontroller with 4K Bytes Flash
- AT89C51-12DM
- Atmel Corporation
- 8-Bit Microcontroller with 4 Kbytes Flash
- AT89C51-12DM/883
- Atmel Corporation
- 8-Bit Microcontroller with 4 Kbytes Flash
- AT89C51-12JA
- Atmel Corporation
- 8-Bit Microcontroller with 4K Bytes Flash
- AT89C51-12JC
- Atmel Corporation
- 8 Bit Microcontroller with 4 kByte Flash
- AT89C51-12JI
- Atmel Corporation
- 8 Bit Microcontroller with 4 kByte Flash
- AT89C51-12LM
- Atmel Corporation
- 8-Bit Microcontroller with 4 Kbytes Flash
- AT89C51-12LM/883
- Atmel Corporation
- 8-Bit Microcontroller with 4 Kbytes Flash
- AT89C51-12PA
- Atmel Corporation
- 8-Bit Microcontroller with 4K Bytes Flash
- AT89C51-12PC
- Atmel Corporation
- 8 Bit Microcontroller with 4 kByte Flash
- AT89C51-12PI
- Atmel Corporation
- 12MHZ, PDIP, IND TEMP(MCU 5X)
- AT89C51-12QA
- Atmel Corporation
- 8-Bit Microcontroller with 4K Bytes Flash
- AT89C51-12QC
- Atmel Corporation
- 8 Bit Microcontroller with 4 kByte Flash
- AT89C51-12QI
- Atmel Corporation
- 8 Bit Microcontroller with 4 kByte Flash