| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 324-LBGA | 
                                                                            
                                            | Supplier Device Package | PG-LBGA-324-3 | 
                                                                            
                                            | Packaging | Tray | 
                                                                            
                                            | Series | INCA™ | 
                                                                            
                                            | Part Status | Discontinued | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Base Part Number | PSB21521 | 
                                                                            
                                            | Function | Single-Chip IP-Phone Solution | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                PSB 21521 E V1.4 Overview
Saving board space is achieved with the 324-LBGA package.The way of Tray is employed for telecommunications equipment packing.There is a type Surface Mount mount for this telecom circuit.Telecom switching's base part number of PSB21521 can be a method to find more related parts.There are many similar functions of the telecommunication product	 that it can provide with the electronic components under the INCA? series.
PSB 21521 E V1.4 Features
Available in the 324-LBGA package
PSB 21521 E V1.4 Applications
There are a lot of Infineon Technologies PSB 21521 E V1.4 Telecom applications. 
- E3/DS3 Access Equipment
- ATM Switches
- T1 Rates PCM Line Interface
- Voice over IP/DSL 
- Digital Cross-connect Systems (DCS)
- Remote wireless modules
- T1/E1/J1 add/drop multiplexers (MUX)
- Network Multiplexing and Terminating Equipment
- SDH/SONET multiplexers
- E1 Network Equipment