| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Renesas Electronics America Inc | 
                                            
                                                                                    
                                                | Series | 
                                                74HCT | 
                                            
                                                                                    
                                                | Package | 
                                                Bulk | 
                                            
                                                                                    
                                                | Product Status | 
                                                Active | 
                                            
                                                                                    
                                                | Type | 
                                                Identity Comparator | 
                                            
                                                                                    
                                                | Number of Bits | 
                                                8 | 
                                            
                                                                                    
                                                | Output | 
                                                Active Low | 
                                            
                                                                                    
                                                | Output Function | 
                                                A=B | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                4.5V ~ 5.5V | 
                                            
                                                                                    
                                                | Current - Output High, Low | 
                                                4mA, 4mA | 
                                            
                                                                                    
                                                | Max Propagation Delay @ V, Max CL | 
                                                34ns @ 4.5V, 50pF | 
                                            
                                                                                    
                                                | Current - Quiescent (Iq) | 
                                                8 µA | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 125°C | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                74HCT688 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                Not applicable | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                Vendor Undefined | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                1 | 
                                            
                                                                                                                
                                
                             
                                                Magnitude Comparator Bit Active Low Output A=B