| Parameters | 
                                                                                                                        
                                                | Mfr | AMD | 
                                                                                    
                                                | Series | Virtex®-4 LX | 
                                                                                    
                                                | Package | Tray | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Conevo-Key Programmable | Not Verified | 
                                                                                    
                                                | Number of LABs/CLBs | 4608 | 
                                                                                    
                                                | Number of Logic Elements/Cells | 41472 | 
                                                                                    
                                                | Total RAM Bits | 1769472 | 
                                                                                    
                                                | Number of I/O | 448 | 
                                                                                    
                                                | Voltage - Supply | 1.14V ~ 1.26V | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 100°C (TJ) | 
                                                                                    
                                                | Package / Case | 668-BBGA, FCBGA | 
                                                                                    
                                                | Supplier Device Package | 668-FCBGA (27x27) | 
                                                                                    
                                                | Base Product Number | XC4VLX40 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 4  (72 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | 3A991D | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                Virtex®-4 LX Field Programmable Gate Array (FPGA) IC 448 1769472 41472 668-BBGA, FCBGA