| Parameters | 
                                                                                                            
                                        | Mfr | onsemi | 
                                                                        
                                        | Series | CAT28LV256 | 
                                                                        
                                        | Package | Bulk | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Memory Type | Non-Volatile | 
                                                                        
                                        | Memory Format | EEPROM | 
                                                                        
                                        | Technology | EEPROM | 
                                                                        
                                        | Memory Size | 256Kbit | 
                                                                        
                                        | Memory Organization | 32K x 8 | 
                                                                        
                                        | Memory Interface | Parallel | 
                                                                        
                                        | Write Cycle Time - Word, Page | 10ms | 
                                                                        
                                        | Access Time | 200 ns | 
                                                                        
                                        | Voltage - Supply | 3V ~ 3.6V | 
                                                                        
                                        | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 28-TSSOP (0.465", 11.80mm Width) | 
                                                                        
                                        | Supplier Device Package | 28-TSOP | 
                                                                        
                                        | Other Names | 2156-CAT28LV256HI20 | 
                                                                        
                                        | Standard Package | 38 | 
                                                                                                        
                            
                         
                                                EEPROM Memory IC 256Kbit Parallel 200 ns 28-TSOP