| Parameters | 
                                                                                                                        
                                                | Mfr | Fairchild Semiconductor | 
                                                                                    
                                                | Series | 74LS | 
                                                                                    
                                                | Package | Tube | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Logic Type | Binary Counter | 
                                                                                    
                                                | Direction | Up, Down | 
                                                                                    
                                                | Number of Elements | 1 | 
                                                                                    
                                                | Number of Bits per Element | 4 | 
                                                                                    
                                                | Reset | - | 
                                                                                    
                                                | Timing | Synchronous | 
                                                                                    
                                                | Count Rate | 25 MHz | 
                                                                                    
                                                | Trigger Type | Positive Edge | 
                                                                                    
                                                | Voltage - Supply | 4.75 V ~ 5.25 V | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 16-SOIC (0.154", 3.90mm Width) | 
                                                                                    
                                                | Supplier Device Package | 16-SOIC | 
                                                                                    
                                                | Base Product Number | 74LS169 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 48 | 
                                                                                                                
                                
                             
                                                Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SOIC