| Parameters | 
                                                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 32-VQFN Exposed Pad | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tray | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Number of Terminations | 32 | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Voltage - Supply | 4.75V~5.25V | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Terminal Form | NO LEAD | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Terminal Pitch | 0.8mm | 
                                                                            
                                            | JESD-30 Code | S-XQCC-N32 | 
                                                                            
                                            | Function | Subscriber Access Controller | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Operating Supply Voltage | 5V | 
                                                                            
                                            | Interface | 2-Wire | 
                                                                            
                                            | Number of Circuits | 1 | 
                                                                            
                                            | Operating Supply Current | 6mA | 
                                                                            
                                            | Telecom IC Type | SLIC | 
                                                                            
                                            | Length | 8mm | 
                                                                            
                                            | Width | 8mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LE79555-2FQC Overview
Board space can be saved by using the 32-VQFN Exposed Pad package.For telecommunications equipment packing, the Tray method is used.The mounting type is Surface Mount.1 circuits are used in this  telecom IC .When 4.75V~5.25V is supplied wtelecom IC's efficiencyh power, efficiency can be improved.A temperature setting of -40°C~85°C ensures reliable performance.A Surface Mount-axis mount is used.Telecom switching configuration has 32 terminations.A 5V supply voltage is required to operate it.It adopts SLIC as its telecom IC type.For designers, telecom product offers a great deal of flexibility by operating on the 5V supply voltage.A designer can make use of this telecom circuit by operating with the 6mA supply current.
LE79555-2FQC Features
Available in the 32-VQFN Exposed Pad package
SLIC as telecom IC type
Operating supply voltage of 5V
Operating supply current of 6mA
LE79555-2FQC Applications
There are a lot of Microchip Technology LE79555-2FQC Telecom applications. 
- Dual battery supply voltage SLICs
- Digital subscriber line access multiplexer (DSLAM)
- Central office (CO)
- Multi-Line E1 Interface Cards
- E1 Multiplexer
- SDH/SONET multiplexers
- Digital Cross-connect Systems (DCS)
- Cross Connects
- Digital access cross connects
- Multichannel DS1 Test Equipment