| Parameters | 
                                                                                                            
                                        | Mfr | onsemi | 
                                                                        
                                        | Series | CAT64LC40 | 
                                                                        
                                        | Package | Bulk | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Memory Type | Non-Volatile | 
                                                                        
                                        | Memory Format | EEPROM | 
                                                                        
                                        | Technology | EEPROM | 
                                                                        
                                        | Memory Size | 4Kbit | 
                                                                        
                                        | Memory Organization | 256 x 16 | 
                                                                        
                                        | Memory Interface | SPI | 
                                                                        
                                        | Clock Frequency | 1 MHz | 
                                                                        
                                        | Write Cycle Time - Word, Page | 5ms | 
                                                                        
                                        | Access Time | 500 ns | 
                                                                        
                                        | Voltage - Supply | 2.5V ~ 6V | 
                                                                        
                                        | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                        
                                        | Mounting Type | Surface Mount | 
                                                                        
                                        | Package / Case | 8-SOIC (0.154", 3.90mm Width) | 
                                                                        
                                        | Supplier Device Package | 8-SOIC | 
                                                                        
                                        | Other Names | 2156-CAT64LC40VI-GT3 | 
                                                                        
                                        | Standard Package | 2,219 | 
                                                                                                        
                            
                         
                                                EEPROM Memory IC 4Kbit SPI 1 MHz 500 ns 8-SOIC