| Parameters | 
                                                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 32-LCC (J-Lead) | 
                                                                            
                                            | Number of Pins | 32 | 
                                                                            
                                            | Operating Temperature | 0°C~70°C | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Number of Terminations | 32 | 
                                                                            
                                            | Terminal Finish | MATTE TIN | 
                                                                            
                                            | Voltage - Supply | 4.75V~5.25V | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Terminal Form | J BEND | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Function | Subscriber Line Interface Concept (SLIC) | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Interface | 2-Wire | 
                                                                            
                                            | Number of Circuits | 1 | 
                                                                            
                                            | Operating Supply Current | 4.5mA | 
                                                                            
                                            | Height Seated (Max) | 3.556mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LE7942B-2DJC Overview
Space is saved on the board by using the 32-LCC (J-Lead) package.To pack telecommunications equipment, the way of Tube is used.There is a type Surface Mount mount for this telecom circuit.A 1-circuit composes this  telecom IC .When 4.75V~5.25V is supplied wtelecom IC's efficiencyh power, efficiency can be improved.0°C~70°C is the operating temperature that can be set for reliable performance.Surface Mount is mounted on telecom switching.Telecom switching configuration contains 32 terminations.It operates at a voltage of 5V.This telecom interface contains 32 pins.Designed to work with the supply current of 4.5mA, it provides designers with a great deal of flexibility.
LE7942B-2DJC Features
Available in the 32-LCC (J-Lead) package
Operating supply current of 4.5mA
LE7942B-2DJC Applications
There are a lot of Microchip Technology LE7942B-2DJC Telecom applications. 
- ISDN Primary Rate Interfaces (PRA)
- Fiber Optic Terminals
- Home Side Box
- Digital Modems
- Remote wireless modules
- PBXs channel bank
- SONET/SDH terminal 
- Fiber In The Loop (FITL)
- NIU
- Digital subscriber line access multiplexer (DSLAM)