| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                National Semiconductor | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Bulk | 
                                            
                                                                                    
                                                | Product Status | 
                                                Active | 
                                            
                                                                                    
                                                | Applications | 
                                                Networking, Telecommunications | 
                                            
                                                                                    
                                                | Multiplexer/Demultiplexer Circuit | 
                                                2:1, 1:2 | 
                                            
                                                                                    
                                                | Switch Circuit | 
                                                - | 
                                            
                                                                                    
                                                | Number of Channels | 
                                                4 | 
                                            
                                                                                    
                                                | On-State Resistance (Max) | 
                                                - | 
                                            
                                                                                    
                                                | Voltage - Supply, Single (V+) | 
                                                2.38V ~ 2.63V | 
                                            
                                                                                    
                                                | Voltage - Supply, Dual (V±) | 
                                                - | 
                                            
                                                                                    
                                                | -3db Bandwidth | 
                                                - | 
                                            
                                                                                    
                                                | Features | 
                                                RXAUI, SATA, XAUI | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 85°C (TA) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                54-WFQFN Exposed Pad | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                54-WQFN (10x5.5) | 
                                            
                                                                                    
                                                | HTSUS | 
                                                0000.00.0000 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                1 | 
                                            
                                                                                                                
                                
                             
                                                Networking, Telecommunications Switch IC 4 Channel 54-WQFN (10x5.5)