| Parameters | 
                                                                                                                        
                                                | Mfr | ISSI, Integrated Silicon Solution Inc | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tray | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Memory Type | Volatile | 
                                                                                    
                                                | Memory Format | DRAM | 
                                                                                    
                                                | Technology | SDRAM | 
                                                                                    
                                                | Memory Size | 128Mbit | 
                                                                                    
                                                | Memory Organization | 16M x 8 | 
                                                                                    
                                                | Memory Interface | Parallel | 
                                                                                    
                                                | Clock Frequency | 143 MHz | 
                                                                                    
                                                | Write Cycle Time - Word, Page | - | 
                                                                                    
                                                | Access Time | 5.4 ns | 
                                                                                    
                                                | Voltage - Supply | 3V ~ 3.6V | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 54-TSOP (0.400", 10.16mm Width) | 
                                                                                    
                                                | Supplier Device Package | 54-TSOP II | 
                                                                                    
                                                | Base Product Number | IS42S81600 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.32.0002 | 
                                                                                    
                                                | Standard Package | 108 | 
                                                                                                                
                                
                             
                                                SDRAM Memory IC 128Mbit Parallel 143 MHz 5.4 ns 54-TSOP II