| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            SHARP/Socle Technology | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Tray | 
                                        
                                                                            
                                            | Product Status | 
                                            Discontinued at Digi-Key | 
                                        
                                                                            
                                            | Memory Type | 
                                            Non-Volatile | 
                                        
                                                                            
                                            | Memory Format | 
                                            FLASH | 
                                        
                                                                            
                                            | Technology | 
                                            FLASH | 
                                        
                                                                            
                                            | Memory Size | 
                                            256Mbit | 
                                        
                                                                            
                                            | Memory Organization | 
                                            16M x 16 | 
                                        
                                                                            
                                            | Memory Interface | 
                                            Parallel | 
                                        
                                                                            
                                            | Write Cycle Time - Word, Page | 
                                            85ns | 
                                        
                                                                            
                                            | Access Time | 
                                            85 ns | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.7V ~ 1.9V | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 85°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            56-TFSOP (0.724", 18.40mm Width) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            56-TSOP | 
                                        
                                                                            
                                            | Base Product Number | 
                                            F256B | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | ECCN | 
                                            3A991B1A | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.32.0071 | 
                                        
                                                                            
                                            | Standard Package | 
                                            50 | 
                                        
                                                                                                    
                            
                         
                                                FLASH Memory IC 256Mbit Parallel 85 ns 56-TSOP