 | |  | |
| PartNumber | AT80C31X2-SLRUM | AT80C31X2-SLSUL | AT80C31X2-SLRUL |
| Description | 8-bit Microcontrollers - MCU ROMLESS 31X2 40MHZ 5V COM | 8-bit Microcontrollers - MCU RLESS 31X2 40MHZ 3V COM | IC MCU 8BIT ROMLESS 44PLCC |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PLCC-44 | PLCC-44 | - |
| Core | 80C51 | 80C51 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 60 MHz | 60 MHz | - |
| Program Memory Size | 0 B | 0 B | - |
| Data RAM Size | 128 B | 128 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 32 I/O | 32 I/O | - |
| Operating Supply Voltage | 5 V | 2.7 V to 5.5 V | - |
| Product | MCU | MCU | - |
| Program Memory Type | ROMless | ROMless | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | RAM | RAM | - |
| Interface Type | UART | UART | - |
| DAC Resolution | No DAC | No DAC | - |
| Number of Timers/Counters | 2 x 16 bit | 2 x 16 bit | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 500 | 972 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.084185 oz | 0.084185 oz | - |
| Series | - | 80C | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Height | - | 3.48 mm | - |
| Length | - | 16.7 mm | - |
| Width | - | 16.7 mm | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.7 V, 4.5 V | - |