| Parameters | 
                                    
                                                                                                                        
                                                | Write Cycle Time - Word, Page | 
                                                90ns | 
                                            
                                                                                    
                                                | Access Time | 
                                                90 ns | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                4.5V ~ 5.5V | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                0°C ~ 70°C (TA) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                48-TFSOP (0.724", 18.40mm Width) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                48-TSOP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                M29F400 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.32.0071 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                96 | 
                                            
                                                                                    
                                                | Mfr | 
                                                Micron Technology Inc. | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tray | 
                                            
                                                                                    
                                                | 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 | 
                                            
                                                                                                                
                                
                             
                                                FLASH - NOR Memory IC 4Mbit Parallel 90 ns 48-TSOP