| Parameters | 
                                                                                                                        
                                                | Mfr | Silicon Labs | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Number of I/O | 8 | 
                                                                                    
                                                | Interface | I²C, SPI | 
                                                                                    
                                                | Interrupt Output | Yes | 
                                                                                    
                                                | Features | - | 
                                                                                    
                                                | Output Type | Open Drain, Push-Pull | 
                                                                                    
                                                | Current - Output Source/Sink | 100mA | 
                                                                                    
                                                | Clock Frequency | 400 kHz | 
                                                                                    
                                                | Voltage - Supply | 3V ~ 3.6V | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 20-VFQFN Exposed Pad | 
                                                                                    
                                                | Supplier Device Package | 20-QFN (4x4) | 
                                                                                    
                                                | Base Product Number | CP2120 | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Other Names | 2832-CP2120-GMRTR | 
                                                                                    
                                                | Standard Package | 1,500 | 
                                                                                                                
                                
                             
                                                I/O Expander 8 I²C, SPI 400 kHz 20-QFN (4x4)