| AT89C51RB2-3CSIM | 8-bit microcontroller with 16K bytes flash. Supply voltage 5V. in 40-pin PDIL package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RB2-RLTCM | 8-bit microcontroller with 16K bytes flash. Supply voltage 5V. in 44-pin VQFP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89C51RB2-RLTIL | 8-bit microcontroller with 16K bytes flash. Supply voltage 3V. in 44-pin VQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RB2-RLTIM | 8-bit microcontroller with 16K bytes flash. Supply voltage 5V. in 44-pin VQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RB2-SLSCM | 8-bit microcontroller with 16K bytes flash. Supply voltage 5V. in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89C51RB2-SLSIL | 8-bit microcontroller with 16K bytes flash. Supply voltage 3V. in 44-pin PLCC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RB2-SLSIM | 8-bit microcontroller with 16K bytes flash. Supply voltage 5V. in 44-pin PLCC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RC2-3CSCM | 8-bit microcontroller with 32K bytes flash. Supply voltage 5V. in 40-pin PDIL package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89C51RC2-3CSIM | 8-bit microcontroller with 32K bytes flash. Supply voltage 5V. in 40-pin PDIL package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RC2-RLTCM | 8-bit microcontroller with 32K bytes flash. Supply voltage 5V. in 44-pin VQFP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89C51RC2-RLTIL | 8-bit microcontroller with 32K bytes flash. Supply voltage 3V. in 44-pin VQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RC2-RLTIM | 8-bit microcontroller with 32K bytes flash. Supply voltage 5V. in 44-pin VQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RC2-SLSCM | 8-bit microcontroller with 32K bytes flash. Supply voltage 5V. in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89C51RC2-SLSIL | 8-bit microcontroller with 32K bytes flash. Supply voltage 3V. in 44-pin PLCC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RC2-SLSIM | 8-bit microcontroller with 32K bytes flash. Supply voltage 5V. in 44-pin PLCC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89C51RB2 | AT89C51RB2 / RC2 & T89C51IC2 QualPack | Datasheet*) |
