| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C8051F064-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 59 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.7 V ~ 3.6 V | A/D 2x16b | Internal | -40°C ~ 85°C | 100-TQFP | |
| C8051F501-IM | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-VFQFN Exposed Pad | |
| C8051F505-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 32KB (32K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-TQFP | |
| C8051F501-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-TQFP | |
| C8051F505-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 32KB (32K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-VFQFN Exposed Pad | |
| C8051F511-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 33 | 32KB (32K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 40-VFQFN Exposed Pad | |
| C8051F505-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 32KB (32K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-TQFP | |
| C8051F501-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-VFQFN Exposed Pad | |
| C8051F509-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 33 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 40-VFQFN Exposed Pad | |
| C8051F501-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 1.8 V ~ 5.25 V | A/D 32x12b | Internal | -40°C ~ 125°C | 48-TQFP |
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