| Parameters | 
                                                                                                            
                                            | Mfr | ISSI, Integrated Silicon Solution Inc | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Tape & Reel (TR) | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Memory Type | Volatile | 
                                                                            
                                            | Memory Format | DRAM | 
                                                                            
                                            | Technology | SDRAM | 
                                                                            
                                            | Memory Size | 256Mbit | 
                                                                            
                                            | Memory Organization | 8M x 32 | 
                                                                            
                                            | Memory Interface | Parallel | 
                                                                            
                                            | Clock Frequency | 166 MHz | 
                                                                            
                                            | Write Cycle Time - Word, Page | - | 
                                                                            
                                            | Access Time | 5.5 ns | 
                                                                            
                                            | Voltage - Supply | 3V ~ 3.6V | 
                                                                            
                                            | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 86-TFSOP (0.400", 10.16mm Width) | 
                                                                            
                                            | Supplier Device Package | 86-TSOP II | 
                                                                            
                                            | Base Product Number | IS42S32800 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.32.0024 | 
                                                                            
                                            | Standard Package | 1,500 | 
                                                                                                    
                            
                         
                                                SDRAM Memory IC 256Mbit Parallel 166 MHz 5.5 ns 86-TSOP II