| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C8051F121-GQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 100MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 32 | 128KB (128K x 8) | FLASH | - | 8.25K x 8 | 3 V ~ 3.6 V | A/D 8x8b, 8x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 64-TQFP | |
| C8051F120-GQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 100MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 64 | 128KB (128K x 8) | FLASH | - | 8.25K x 8 | 3 V ~ 3.6 V | A/D 8x8b, 8x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 100-TQFP | |
| C8051F121-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 100MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 32 | 128KB (128K x 8) | FLASH | - | 8.25K x 8 | 3 V ~ 3.6 V | A/D 8x8b, 8x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 64-TQFP | |
| C8051F120-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 100MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 64 | 128KB (128K x 8) | FLASH | - | 8.25K x 8 | 3 V ~ 3.6 V | A/D 8x8b, 8x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 100-TQFP | |
| C8051F120 | SILICON LABORATORIES INC | 8051 | 8-Bit | 100MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 64 | 128KB (128K x 8) | FLASH | - | 8.25K x 8 | 3 V ~ 3.6 V | A/D 8x8b, 8x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 100-TQFP | |
| C8051F121 | SILICON LABORATORIES INC | 8051 | 8-Bit | 100MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 32 | 128KB (128K x 8) | FLASH | - | 8.25K x 8 | 3 V ~ 3.6 V | A/D 8x8b, 8x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 64-TQFP |
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