| Parameters | 
                                                                                                                        
                                                | Mfr | Freescale Semiconductor | 
                                                                                    
                                                | Series | MC9S08SF4 | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | HCS08 | 
                                                                                    
                                                | Core Size | 8-Bit | 
                                                                                    
                                                | Speed | 40MHz | 
                                                                                    
                                                | Connectivity | I²C | 
                                                                                    
                                                | Peripherals | LVD, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 18 | 
                                                                                    
                                                | Program Memory Size | 4KB (4K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 128 x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 
                                                                                    
                                                | Data Converters | A/D 8x10b | 
                                                                                    
                                                | Oscillator Type | External | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 125°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 
                                                                                    
                                                | Supplier Device Package | 20-TSSOP | 
                                                                                    
                                                | Other Names | 2156-MC9S08SF4MTJ | 
                                                                                    
                                                | Standard Package | 122 | 
                                                                                                                
                                
                             
                                                HCS08 MC9S08SF4 Microcontroller IC 8-Bit 40MHz 4KB (4K x 8) FLASH 20-TSSOP