| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C8051F531A-IT | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 16 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 5.25 V | A/D 16x12b | Internal | -40°C ~ 125°C | 20-TSSOP (0.173, 4.40mm Width) | |
| C8051F226-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 32 | 8KB (8K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | A/D 32x8b | Internal | -40°C ~ 85°C | 48-TQFP | |
| C8051F236-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 32 | 8KB (8K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 48-TQFP | |
| C8051F521-C-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 6 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2 V ~ 5.25 V | A/D 6x12b | Internal | -40°C ~ 125°C | 10-VFDFN Exposed Pad | |
| C8051F531-C-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 16 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2 V ~ 5.25 V | A/D 16x12b | Internal | -40°C ~ 125°C | 20-VFQFN Exposed Pad | |
| C8051F521A-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 6 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 5.25 V | A/D 6x12b | Internal | -40°C ~ 125°C | 10-VFDFN Exposed Pad | |
| C8051F531A-IMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 16 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 5.25 V | A/D 16x12b | Internal | -40°C ~ 125°C | 20-VFQFN Exposed Pad | |
| C8051F521-C-IM | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 6 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2 V ~ 5.25 V | A/D 6x12b | Internal | -40°C ~ 125°C | 10-VFDFN Exposed Pad | |
| C8051F531-C-IM | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 16 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2 V ~ 5.25 V | A/D 16x12b | Internal | -40°C ~ 125°C | 20-VFQFN Exposed Pad | |
| C8051F531-C-ITR | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SPI, UART/USART | 16 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 2 V ~ 5.25 V | A/D 16x12b | Internal | -40°C ~ 125°C | 20-TSSOP (0.173, 4.40mm Width) |
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