規格
| 屬性 | 價值 |
| Supplier | Rochester Electronics, LLC |
| Package | Bulk |
| ProductStatus | Obsolete |
| CoreProcessor | 80C51 |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, UART/USART |
| Peripherals | Brown-out Detect/Reset, LED, POR, WDT |
| NumberofI/O | 18 |
| ProgramMemorySize | 2KB (2K x 8) |
| ProgramMemoryType | OTP |
| RAMSize | 128 x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 6V |
| OscillatorType | External, Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
