| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            ISSI, Integrated Silicon Solution Inc | 
                                        
                                                                            
                                            | Series | 
                                            - | 
                                        
                                                                            
                                            | Package | 
                                            Tray | 
                                        
                                                                            
                                            | Product Status | 
                                            Active | 
                                        
                                                                            
                                            | Memory Type | 
                                            Volatile | 
                                        
                                                                            
                                            | Memory Format | 
                                            SRAM | 
                                        
                                                                            
                                            | Technology | 
                                            SRAM - Synchronous, QUAD | 
                                        
                                                                            
                                            | Memory Size | 
                                            72Mbit | 
                                        
                                                                            
                                            | Memory Organization | 
                                            2M x 36 | 
                                        
                                                                            
                                            | Memory Interface | 
                                            Parallel | 
                                        
                                                                            
                                            | Clock Frequency | 
                                            300 MHz | 
                                        
                                                                            
                                            | Write Cycle Time - Word, Page | 
                                            - | 
                                        
                                                                            
                                            | Access Time | 
                                            8.4 ns | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.71V ~ 1.89V | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C ~ 70°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            165-LBGA | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            165-LFBGA (15x17) | 
                                        
                                                                            
                                            | Base Product Number | 
                                            IS61QDB42 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            3A991B2A | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.32.0041 | 
                                        
                                                                            
                                            | Standard Package | 
                                            105 | 
                                        
                                                                                                    
                            
                         
                                                SRAM - Synchronous, QUAD Memory IC 72Mbit Parallel 300 MHz 8.4 ns 165-LFBGA (15x17)