| Parameters | 
                                    
                                                                                                            
                                        | Package / Case | 
                                        128-LQFP | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        128-TQFP (14x20) | 
                                    
                                                                        
                                        | Base Product Number | 
                                        70V631 | 
                                    
                                                                        
                                        | RoHS Status | 
                                        RoHS non-compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        3  (168 Hours) | 
                                    
                                                                        
                                        | ECCN | 
                                        3A991B2A | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.32.0041 | 
                                    
                                                                        
                                        | Standard Package | 
                                        72 | 
                                    
                                                                        
                                        | Mfr | 
                                        Renesas Electronics America Inc | 
                                    
                                                                        
                                        | Series | 
                                        - | 
                                    
                                                                        
                                        | Package | 
                                        Tray | 
                                    
                                                                        
                                        | Product Status | 
                                        Obsolete | 
                                    
                                                                        
                                        | Memory Type | 
                                        Volatile | 
                                    
                                                                        
                                        | Memory Format | 
                                        SRAM | 
                                    
                                                                        
                                        | Technology | 
                                        SRAM - Dual Port, Asynchronous | 
                                    
                                                                        
                                        | Memory Size | 
                                        4.5Mbit | 
                                    
                                                                        
                                        | Memory Organization | 
                                        256K x 18 | 
                                    
                                                                        
                                        | Memory Interface | 
                                        Parallel | 
                                    
                                                                        
                                        | Write Cycle Time - Word, Page | 
                                        10ns | 
                                    
                                                                        
                                        | Access Time | 
                                        10 ns | 
                                    
                                                                        
                                        | Voltage - Supply | 
                                        3.15V ~ 3.45V | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 85°C (TA) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                                                        
                            
                         
                                                SRAM - Dual Port, Asynchronous Memory IC 4.5Mbit Parallel 10 ns 128-TQFP (14x20)