| Type | Description | 
|---|---|
| Series: | C8051F31x | 
| Package: | Tape & Reel (TR) | 
| Part Status: | Not For New Designs | 
| Core Processor: | 8051 | 
| Core Size: | 8-Bit | 
| Speed: | 25MHz | 
| Connectivity: | SMBus (2-Wire/I²C), SPI, UART/USART | 
| Peripherals: | POR, PWM, WDT | 
| Number of I/O: | 21 | 
| Program Memory Size: | 16KB (16K x 8) | 
| Program Memory Type: | FLASH | 
| EEPROM Size: | - | 
| RAM Size: | 1.25K x 8 | 
| Voltage - Supply (Vcc/Vdd): | 2.7V ~ 3.6V | 
| Data Converters: | - | 
| Oscillator Type: | Internal | 
| Operating Temperature: | -40°C ~ 85°C (TA) | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 24-WFQFN Exposed Pad | 
| Supplier Device Package: | 24-QFN (4x4) | 
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