| PartNumber | AT80C51RA2-RLRUL | AT80C51RA2-RLTUM | AT80C51RA2-RLTUL |
| Description | 8-bit Microcontrollers - MCU RLESS RA 40MHZ 3V COM TEMP | IC MCU 8BIT ROMLESS 44VQFP | IC MCU 8BIT ROMLESS 44VQFP |
| Manufacturer | Microchip | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-44 | - | - |
| Core | 80C51 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 60 MHz | - | - |
| Program Memory Size | 0 B | - | - |
| Data RAM Size | 256 B | - | - |
| ADC Resolution | No ADC | - | - |
| Number of I/Os | 32 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | - | - |
| Product | MCU | - | - |
| Program Memory Type | ROMLess | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | RAM | - | - |
| Interface Type | UART | - | - |
| DAC Resolution | No DAC | - | - |
| Number of Timers/Counters | 3 x 16 bit | - | - |
| Processor Series | AT80C51RA2 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1500 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.012561 oz | - | - |