| Parameters | 
                                                                                                                        
                                                | Mfr | Microchip Technology | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Function | Subscriber Line Interface Concept (SLIC) | 
                                                                                    
                                                | Interface | PCM | 
                                                                                    
                                                | Number of Circuits | 4 | 
                                                                                    
                                                | Voltage - Supply | 3.3V | 
                                                                                    
                                                | Current - Supply | - | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 44-LCC (J-Lead) | 
                                                                                    
                                                | Supplier Device Package | 44-PLCC (16.58x16.58) | 
                                                                                    
                                                | Base Product Number | LE58QL021 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | 5A991G | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 500 | 
                                                                                                                
                                
                             
                                                Telecom IC Subscriber Line Interface Concept (SLIC) 44-PLCC (16.58x16.58)