規格
| 屬性 | 價值 |
| Supplier | Microchip Technology |
| Package / Case | Tube |
| Series | 8x251 |
| Part Status | Obsolete |
| Core Processor | C251 |
| Core Size | 8/16-Bit |
| Speed | 16MHz |
| Connectivity | EBI/EMI, I²C, Microwire, SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | OTP |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
