| Parameters | 
                                                                                                            
                                            | Mfr | Analog Devices Inc./Maxim Integrated | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Bulk | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Type | Transceiver | 
                                                                            
                                            | Protocol | RS422, RS485 | 
                                                                            
                                            | Number of Drivers/Receivers | 1/1 | 
                                                                            
                                            | Duplex | Full | 
                                                                            
                                            | Receiver Hysteresis | 70 mV | 
                                                                            
                                            | Data Rate | 2.5Mbps | 
                                                                            
                                            | Voltage - Supply | 4.75V ~ 5.25V | 
                                                                            
                                            | Operating Temperature | 0°C ~ 70°C | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | Die | 
                                                                            
                                            | Supplier Device Package | Die | 
                                                                            
                                            | Base Product Number | MAX491 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | 5A991B4B | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Standard Package | 1 | 
                                                                                                    
                            
                         
                                                1/1 Transceiver Full RS422, RS485 Die