| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        Atmel | 
                                    
                                                                        
                                        | Series | 
                                        - | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Memory Type | 
                                        Non-Volatile | 
                                    
                                                                        
                                        | Memory Format | 
                                        EEPROM | 
                                    
                                                                        
                                        | Technology | 
                                        EEPROM | 
                                    
                                                                        
                                        | Memory Size | 
                                        4Kbit | 
                                    
                                                                        
                                        | Memory Organization | 
                                        512 x 8, 256 x 16 | 
                                    
                                                                        
                                        | Memory Interface | 
                                        3-Wire Serial | 
                                    
                                                                        
                                        | Clock Frequency | 
                                        2 MHz | 
                                    
                                                                        
                                        | Write Cycle Time - Word, Page | 
                                        10ms | 
                                    
                                                                        
                                        | Voltage - Supply | 
                                        2.7V ~ 5.5V | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 125°C (TA) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                        
                                        | Package / Case | 
                                        8-TSSOP (0.173", 4.40mm Width) | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        8-TSSOP | 
                                    
                                                                        
                                        | Base Product Number | 
                                        93C66A | 
                                    
                                                                        
                                        | RoHS Status | 
                                        ROHS3 Compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        1  (Unlimited) | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Unaffected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.32.0051 | 
                                    
                                                                        
                                        | Standard Package | 
                                        5,000 | 
                                    
                                                                                                        
                            
                         
                                                EEPROM Memory IC 4Kbit 3-Wire Serial 2 MHz 8-TSSOP