| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Renesas Electronics America Inc | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Tube | 
                                        
                                                                            
                                            | Product Status | 
                                            Active | 
                                        
                                                                            
                                            | Memory Type | 
                                            Volatile | 
                                        
                                                                            
                                            | Memory Format | 
                                            SRAM | 
                                        
                                                                            
                                            | Technology | 
                                            SRAM - Asynchronous | 
                                        
                                                                            
                                            | Memory Size | 
                                            256Kbit | 
                                        
                                                                            
                                            | Memory Organization | 
                                            32K x 8 | 
                                        
                                                                            
                                            | Memory Interface | 
                                            Parallel | 
                                        
                                                                            
                                            | Write Cycle Time - Word, Page | 
                                            25ns | 
                                        
                                                                            
                                            | Access Time | 
                                            25 ns | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            4.5V ~ 5.5V | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -55°C ~ 125°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            28-CDIP (0.300", 7.62mm) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            28-CDIP | 
                                        
                                                                            
                                            | Base Product Number | 
                                            71256S | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS non-compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            3A001A2C | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.32.0041 | 
                                        
                                                                            
                                            | Standard Package | 
                                            13 | 
                                        
                                                                                                    
                            
                         
                                                SRAM - Asynchronous Memory IC 256Kbit Parallel 25 ns 28-CDIP