| 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 | 
                                                                            
                                            | Operating Supply Voltage | 5V | 
                                                                            
                                            | Interface | 2-Wire | 
                                                                            
                                            | Number of Circuits | 1 | 
                                                                            
                                            | Operating Supply Current | 4.5mA | 
                                                                            
                                            | Height | 2.79mm | 
                                                                            
                                            | Length | 13.97mm | 
                                                                            
                                            | Width | 11.43mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LE7942B-1DJC Overview
Space is saved on the board by using the 32-LCC (J-Lead) package.Packing is done according to the Tube method.Telecommunications equipment is mounted with type Surface Mount.1 circuits make up this  telecom IC .The voltage supplied to 4.75V~5.25V can improve efficiency.0°C~70°C is a temperature setting that is reliable when telecom switching comes to performance.A Surface Mount-axis mounts telecom switching.In telecom switching configuration, 32 terminations are present.5V is its supply voltage.32 pins are present on this telecom interface.The telecom circuit operates with a supply voltage of 5V, giving designers a great deal of freedom.The supply current of 4.5mA allows designers to have a great deal of flexibility.
LE7942B-1DJC Features
Available in the 32-LCC (J-Lead) package
Operating supply voltage of 5V
Operating supply current of 4.5mA
LE7942B-1DJC Applications
There are a lot of Microchip Technology LE7942B-1DJC Telecom applications. 
- Digital cross connects (DSX-1)
- Multichannel DS1 Test Equipment
- DSLAMs
- Integrated Access Devices
- Interfaces to DS3 
- DECT (Digital European Cordless Telephone) Base Stations
- BITS Timing
- Switches
- T2 Rates PCM Line Interface
- Cable PC