| SP490CN-L | 
                                        Exar Corporation | 
                                        9 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490CN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490CN-L/TR | 
                                        Exar Corporation | 
                                        140 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490CN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490CS-L | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8DIP | 
                                    
                                                                    
                                        | SP490ECN-L | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490ECN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490ECN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490ECN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490ECP-L | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8DIP | 
                                    
                                                                    
                                        | SP490EEN-L | 
                                        Exar Corporation | 
                                        5 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490EEN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490EEN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490EEN-L/TR | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8SOIC | 
                                    
                                                                    
                                        | SP490EEP-L | 
                                        Exar Corporation | 
                                        0 | 
                                        IC TXRX RS485 FULL DUPLEX 8DIP |