| Parameters | 
                                                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Number of Pins | 44 | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tray | 
                                                                            
                                            | Published | 2001 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Number of Terminations | 44 | 
                                                                            
                                            | Technology | BIPOLAR | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Supply Voltage | 3.3V | 
                                                                            
                                            | Terminal Pitch | 0.8mm | 
                                                                            
                                            | Function | Subscriber Line Interface Concept (SLIC) | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Operating Supply Voltage | 3.3V | 
                                                                            
                                            | Interface | 2-Wire | 
                                                                            
                                            | Number of Circuits | 2 | 
                                                                            
                                            | Length | 10mm | 
                                                                            
                                            | Width | 10mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LE77D112BTC Overview
Telecommunications equipment is packed according to Tray's method.This  telecom IC  is composed of 2 circuits.Operating temperatures of -40°C~85°C can ensure reliable performance.In telecom switching configuration, there are 44 terminations.3.3V is its supply voltage.44 pins are present on this telecom interface.The telecom circuit operates with a supply voltage of 3.3V, giving designers a great deal of freedom.
LE77D112BTC Features
Operating supply voltage of 3.3V
LE77D112BTC Applications
There are a lot of Microchip Technology LE77D112BTC Telecom applications. 
- ISDN NT1/TA
- Channel Banks
- Add/Drop multiplexers (ADMs)
- Cable Modem
- Multiplexers
- Digital subscriber line access multiplexer (DSLAM)
- Private branch exchange (PBX)
- Hybrid fiber coax (HFC)
- T1/E1/J1 add/drop multiplexers (MUX)
- Channel Banks