| Parameters | 
                                                                                                            
                                            | Mfr | Micron Technology Inc. | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Tape & Reel (TR) | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Memory Type | Volatile | 
                                                                            
                                            | Memory Format | DRAM | 
                                                                            
                                            | Technology | SDRAM - DDR2 | 
                                                                            
                                            | Memory Size | 1Gbit | 
                                                                            
                                            | Memory Organization | 256M x 4 | 
                                                                            
                                            | Memory Interface | Parallel | 
                                                                            
                                            | Clock Frequency | 400 MHz | 
                                                                            
                                            | Write Cycle Time - Word, Page | 15ns | 
                                                                            
                                            | Access Time | 400 ps | 
                                                                            
                                            | Voltage - Supply | 1.7V ~ 1.9V | 
                                                                            
                                            | Operating Temperature | 0°C ~ 85°C (TC) | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 60-TFBGA | 
                                                                            
                                            | Supplier Device Package | 60-FBGA (8x10) | 
                                                                            
                                            | Base Product Number | MT47H256M4 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.32.0032 | 
                                                                            
                                            | Standard Package | 1,000 | 
                                                                                                    
                            
                         
                                                SDRAM - DDR2 Memory IC 1Gbit Parallel 400 MHz 400 ps 60-FBGA (8x10)