| Parameters | 
                                    
                                                                                                                        
                                                | Voltage - Supply | 
                                                4.5V ~ 5.5V | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -55°C ~ 125°C (TA) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Through Hole | 
                                            
                                                                                    
                                                | Package / Case | 
                                                20-DIP (0.300", 7.62mm) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                20-DIP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                74HCT640 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                20 | 
                                            
                                                                                    
                                                | Mfr | 
                                                STMicroelectronics | 
                                            
                                                                                    
                                                | Series | 
                                                74HCT | 
                                            
                                                                                    
                                                | Package | 
                                                Tube | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Logic Type | 
                                                Transceiver, Inverting | 
                                            
                                                                                    
                                                | Number of Elements | 
                                                1 | 
                                            
                                                                                    
                                                | Number of Bits per Element | 
                                                8 | 
                                            
                                                                                    
                                                | Input Type | 
                                                - | 
                                            
                                                                                    
                                                | Output Type | 
                                                3-State | 
                                            
                                                                                    
                                                | Current - Output High, Low | 
                                                6mA, 6mA | 
                                            
                                                                                                                
                                
                             
                                                Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-DIP