| Part Number | C8051F305-GSR | C8051F303-GSR |
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Last Time Buy | Last Time Buy |
| Core Processor | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 25MHz | 25MHz |
| Connectivity | SMBus (2-Wire/I²C), UART/USART | SMBus (2-Wire/I²C), UART/USART |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT |
| Number of I/O | 8 | 8 |
| Program Memory Size | 2KB (2K x 8) | 8KB (8K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 256 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Data Converters | - | - |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 14-SOIC |