| Parameters | 
                                                                                                                        
                                                | Mfr | ISSI, Integrated Silicon Solution Inc | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Not For New Designs | 
                                                                                    
                                                | Memory Type | Volatile | 
                                                                                    
                                                | Memory Format | DRAM | 
                                                                                    
                                                | Technology | SDRAM | 
                                                                                    
                                                | Memory Size | 512Mbit | 
                                                                                    
                                                | Memory Organization | 32M x 16 | 
                                                                                    
                                                | Memory Interface | Parallel | 
                                                                                    
                                                | Clock Frequency | 143 MHz | 
                                                                                    
                                                | Write Cycle Time - Word, Page | - | 
                                                                                    
                                                | Access Time | 5.4 ns | 
                                                                                    
                                                | Voltage - Supply | 3V ~ 3.6V | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 54-TFBGA | 
                                                                                    
                                                | Supplier Device Package | 54-TW-BGA (8x13) | 
                                                                                    
                                                | Base Product Number | IS42S16320 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.32.0028 | 
                                                                                    
                                                | Standard Package | 2,500 | 
                                                                                                                
                                
                             
                                                SDRAM Memory IC 512Mbit Parallel 143 MHz 5.4 ns 54-TW-BGA (8x13)