| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Micron Technology Inc. | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Bulk | 
                                        
                                                                            
                                            | Product Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Memory Type | 
                                            Non-Volatile | 
                                        
                                                                            
                                            | Memory Format | 
                                            FLASH | 
                                        
                                                                            
                                            | Technology | 
                                            FLASH - NOR | 
                                        
                                                                            
                                            | Memory Size | 
                                            4Mbit | 
                                        
                                                                            
                                            | Memory Organization | 
                                            512K x 8, 256K x 16 | 
                                        
                                                                            
                                            | Memory Interface | 
                                            Parallel | 
                                        
                                                                            
                                            | Write Cycle Time - Word, Page | 
                                            80ns | 
                                        
                                                                            
                                            | Access Time | 
                                            80 ns | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            3V ~ 3.6V | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 85°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            48-TFSOP (0.724", 18.40mm Width) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            48-TSOP I | 
                                        
                                                                            
                                            | Base Product Number | 
                                            MT28F400B3 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS non-compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.32.0071 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1,000 | 
                                        
                                                                                                    
                            
                         
                                                FLASH - NOR Memory IC 4Mbit Parallel 80 ns 48-TSOP I