| Parameters | 
                                                                                                                        
                                                | Mfr | Nexperia USA Inc. | 
                                                                                    
                                                | Series | 74HC | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | 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 | 39 MHz | 
                                                                                    
                                                | Trigger Type | Positive Edge | 
                                                                                    
                                                | Voltage - Supply | 2 V ~ 6 V | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 125°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 16-SSOP (0.209", 5.30mm Width) | 
                                                                                    
                                                | Supplier Device Package | 16-SSOP | 
                                                                                    
                                                | Base Product Number | 74HC191 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 2,000 | 
                                                                                                                
                                
                             
                                                Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SSOP