| Parameters | 
                                
                                                                                                            
                                            | Package / Case | 
                                            48-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Series | 
                                            ProSLIC® | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            3.3V | 
                                        
                                                                            
                                            | Interface | 
                                            3-Wire, PCM | 
                                        
                                                                            
                                            | Number of Circuits | 
                                            2 | 
                                        
                                                                            
                                            | Telecom IC Type | 
                                            DIGITAL SLIC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            8 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                                                    
                            
                         
                                                SI32280-A-FMR Overview
Saving board space is achieved with the 48-VFQFN Exposed Pad package.To pack telecommunications equipment, the way of Tape & Reel (TR) is used.There is a type Surface Mount mount for this telecom circuit.2 circuits make up this  telecom IC .Providing 3.3V wtelecom IC's efficiencyh the correct supply voltage will improve efficiency.A temperature setting of 0°C~70°C ensures reliable performance.As its telecom IC type, it uses DIGITAL SLIC.With the ProSLIC? series electronic parts, it can perform similar functions of the telecommunication product	.
SI32280-A-FMR Features
Available in the 48-VFQFN Exposed Pad package
DIGITAL SLIC as telecom IC type
SI32280-A-FMR Applications
There are a lot of Silicon Labs SI32280-A-FMR Telecom applications. 
- T1/E1/J1 Multiplexer and Channel Banks
 - Private branch exchange (PBX)
 - Router
 - Wireless Local Loop
 - E1 Rates PCM Line Interface
 - T1/E1/J1 Performance Monitoring
 - CSU/DSU Equipment
 - Wireless local loop (WLL)
 - ISDN terminal adapter
 - Digital cross connects (DSX-1)