| Parameters | 
                                                                                                                        
                                                | Mfr | National Semiconductor | 
                                                                                    
                                                | Series | 54F | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Logic Type | BCD Counter, Decade | 
                                                                                    
                                                | Direction | Up, Down | 
                                                                                    
                                                | Number of Elements | 1 | 
                                                                                    
                                                | Number of Bits per Element | 4 | 
                                                                                    
                                                | Reset | Asynchronous | 
                                                                                    
                                                | Timing | Synchronous | 
                                                                                    
                                                | Count Rate | 75 MHz | 
                                                                                    
                                                | Trigger Type | Positive Edge | 
                                                                                    
                                                | Voltage - Supply | 4.5 V ~ 5.5 V | 
                                                                                    
                                                | Operating Temperature | -55°C ~ 125°C (TA) | 
                                                                                    
                                                | Mounting Type | Through Hole | 
                                                                                    
                                                | Package / Case | 16-CDIP (0.300", 7.62mm) | 
                                                                                    
                                                | Supplier Device Package | 16-CDIP | 
                                                                                    
                                                | Base Product Number | 54F192 | 
                                                                                    
                                                | 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 | 
                                                                                                                
                                
                             
                                                Counter IC BCD Counter, Decade 1 Element 4 Bit Positive Edge 16-CDIP