| Parameters | 
                                
                                                                                                            
                                            | Input Type | 
                                            - | 
                                        
                                                                            
                                            | Output Type | 
                                            3-State | 
                                        
                                                                            
                                            | Current - Output High, Low | 
                                            6mA, 6mA | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            4.5V ~ 5.5V | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 125°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            24-DIP (0.600", 15.24mm) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            24-DIP | 
                                        
                                                                            
                                            | Base Product Number | 
                                            74HCT646 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.39.0001 | 
                                        
                                                                            
                                            | Standard Package | 
                                            15 | 
                                        
                                                                            
                                            | Mfr | 
                                            NXP USA Inc. | 
                                        
                                                                            
                                            | Series | 
                                            74HCT | 
                                        
                                                                            
                                            | Package | 
                                            Tube | 
                                        
                                                                            
                                            | Product Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Logic Type | 
                                            Transceiver, Non-Inverting | 
                                        
                                                                            
                                            | Number of Elements | 
                                            1 | 
                                        
                                                                            
                                            | Number of Bits per Element | 
                                            8 | 
                                        
                                                                                                    
                            
                         
                                                Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 24-DIP