| Parameters | 
                                                                                                            
                                        | Mfr | Analog Devices Inc./Maxim Integrated | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Bulk | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Function | Framer, Line Interface Unit (LIU) | 
                                                                        
                                        | Interface | E1, J1, T1 | 
                                                                        
                                        | Number of Circuits | 4 | 
                                                                        
                                        | Voltage - Supply | 3.135V ~ 3.465V | 
                                                                        
                                        | Current - Supply | 450mA | 
                                                                        
                                        | Operating Temperature | 0°C ~ 70°C | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 256-LBGA, CSPBGA | 
                                                                        
                                        | Supplier Device Package | 256-CSBGA (17x17) | 
                                                                        
                                        | Base Product Number | DS26524 | 
                                                                        
                                        | RoHS Status | Not applicable | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                        
                                        | REACH Status | Vendor Undefined | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Standard Package | 1 | 
                                                                                                        
                            
                         
                                                Telecom IC Framer, Line Interface Unit (LIU) 256-CSBGA (17x17)