| Series | 8x251 |
| Package | Bulk |
| Part Status | Active |
| Core Processor | C251 |
| Core Size | 8/16-Bit |
| Speed | 24MHz |
| Connectivity | EBI/EMI, I²C, Microwire, SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | - |
| Program Memory Type | ROMless |
| EEPROM Size | - |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | - |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-LQFP |
| Supplier Device Package | 44-VQFP (10x10) |
