| Parameters | 
                                                                                                                        
                                                | Mfr | Silicon Labs | 
                                                                                    
                                                | Series | C8051F9xx | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | CIP-51 8051 | 
                                                                                    
                                                | Core Size | 8-Bit | 
                                                                                    
                                                | Speed | 25MHz | 
                                                                                    
                                                | Connectivity | SMBus (2-Wire/I²C), SPI, UART/USART | 
                                                                                    
                                                | Peripherals | Brown-out Detect/Reset, Cap Sense, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 17 | 
                                                                                    
                                                | Program Memory Size | 8KB (8K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 512 x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 
                                                                                    
                                                | Data Converters | - | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 24-SSOP (0.154", 3.90mm Width) | 
                                                                                    
                                                | Supplier Device Package | 24-QSOP | 
                                                                                    
                                                | Base Product Number | C8051F997 | 
                                                                                    
                                                | RoHS Status | RoHS Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Standard Package | 2,500 | 
                                                                                                                
                                
                             
                                                CIP-51 8051 C8051F9xx Microcontroller IC 8-Bit 25MHz 8KB (8K x 8) FLASH 24-QSOP