| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            National Semiconductor | 
                                        
                                                                            
                                            | Series | 
                                            74173 | 
                                        
                                                                            
                                            | Package | 
                                            Bulk | 
                                        
                                                                            
                                            | Product Status | 
                                            Active | 
                                        
                                                                            
                                            | Function | 
                                            Master Reset | 
                                        
                                                                            
                                            | Type | 
                                            D-Type | 
                                        
                                                                            
                                            | Output Type | 
                                            Tri-State, Non-Inverted | 
                                        
                                                                            
                                            | Number of Elements | 
                                            1 | 
                                        
                                                                            
                                            | Number of Bits per Element | 
                                            4 | 
                                        
                                                                            
                                            | Clock Frequency | 
                                            25 MHz | 
                                        
                                                                            
                                            | Max Propagation Delay @ V, Max CL | 
                                            43ns @ 5V, 50pF | 
                                        
                                                                            
                                            | Trigger Type | 
                                            Positive Edge | 
                                        
                                                                            
                                            | Current - Output High, Low | 
                                            - | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            4.75V ~ 5.25V | 
                                        
                                                                            
                                            | Current - Quiescent (Iq) | 
                                            72 mA | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C ~ 70°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            16-PDIP | 
                                        
                                                                            
                                            | Package / Case | 
                                            16-DIP (0.300", 7.62mm) | 
                                        
                                                                            
                                            | Base Product Number | 
                                            74173PC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS non-compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | REACH Status | 
                                            Vendor Undefined | 
                                        
                                                                            
                                            | ECCN | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.39.0001 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1 | 
                                        
                                                                                                    
                            
                         
                                                Flip Flop 1 Element D-Type 4 Bit Positive Edge 16-DIP (0.300", 7.62mm)