| Parameters | 
                                    
                                                                                                                        
                                                | Package / Case | 
                                                28-DIP (0.600", 15.24mm) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                28-DIP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                LH52256 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                RoHS non-compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                4  (72 Hours) | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.32.0041 | 
                                            
                                                                                    
                                                | Other Names | 
                                                425-1833-5 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                15 | 
                                            
                                                                                    
                                                | Mfr | 
                                                Sharp Microelectronics | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tube | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Memory Type | 
                                                Volatile | 
                                            
                                                                                    
                                                | Memory Format | 
                                                SRAM | 
                                            
                                                                                    
                                                | Technology | 
                                                SRAM | 
                                            
                                                                                    
                                                | Memory Size | 
                                                256Kbit | 
                                            
                                                                                    
                                                | Memory Organization | 
                                                32K x 8 | 
                                            
                                                                                    
                                                | Memory Interface | 
                                                Parallel | 
                                            
                                                                                    
                                                | Write Cycle Time - Word, Page | 
                                                70ns | 
                                            
                                                                                    
                                                | Access Time | 
                                                70 ns | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                4.5V ~ 5.5V | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                0°C ~ 70°C (TA) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Through Hole | 
                                            
                                                                                                                
                                
                             
                                                SRAM Memory IC 256Kbit Parallel 70 ns 28-DIP