Polarity:
                                    
                                    
                                        Inverting
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of Bits:
                                    
                                    
                                        8
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Output Function:
                                    
                                    
                                        A=B
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Dimensions:
                                    
                                    
                                        24.33 x 6.35 x 4.57mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Mounting Type:
                                    
                                    
                                        Through Hole
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Propagation Delay Time @ Maximum CL:
                                    
                                    
                                        34 ns @ 4.5 V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Minimum Operating Supply Voltage:
                                    
                                    
                                        4.5 V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Logic Function:
                                    
                                    
                                        Identity Comparator
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Low Level Output Current:
                                    
                                    
                                        4mA
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Logic Family:
                                    
                                    
                                        HCT
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Height:
                                    
                                    
                                        4.57mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Width:
                                    
                                    
                                        6.35mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Length:
                                    
                                    
                                        24.33mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package Type:
                                    
                                    
                                        PDIP
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Propagation Delay Test Condition:
                                    
                                    
                                        50pF
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Minimum Operating Temperature:
                                    
                                    
                                        -55 °C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Operating Supply Voltage:
                                    
                                    
                                        5.5 V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Operating Temperature:
                                    
                                    
                                        +125 °C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Pin Count:
                                    
                                    
                                        20
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Maximum High Level Output Current:
                                    
                                    
                                        -4mA
                                    
                                                                                                                                                                    
                                    
                                                                                                                
                                    
                                        Output Function:
                                    
                                    
                                        A=B
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        HTSUS:
                                    
                                    
                                        8542.39.0001
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        RoHS Status:
                                    
                                    
                                        ROHS3 Compliant
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Operating Temperature:
                                    
                                    
                                        -55°C ~ 125°C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package / Case:
                                    
                                    
                                        20-DIP (0.300", 7.62mm)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Type:
                                    
                                    
                                        Identity Comparator
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of Bits:
                                    
                                    
                                        8
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        REACH Status:
                                    
                                    
                                        REACH Unaffected
                                    
                                                                                                                                                                                    
                                                                                                                
                                    
                                                                                                                
                                    
                                        Max Propagation Delay @ V, Max CL:
                                    
                                    
                                        34ns @ 4.5V, 50pF
                                    
                                                                                                        
                                                                                                                
                                                                                                                
                                    
                                                                                                                
                                    
                                        Current - Quiescent (Iq):
                                    
                                    
                                        8 µA
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package:
                                    
                                    
                                        Tube
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Moisture Sensitivity Level (MSL):
                                    
                                    
                                        1  (Unlimited)
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Output:
                                    
                                    
                                        Active Low
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        standardLeadTime:
                                    
                                    
                                        6 Weeks
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Mounting Type:
                                    
                                    
                                        Through Hole
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Series:
                                    
                                    
                                        74HCT
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Supplier Device Package:
                                    
                                    
                                        20-PDIP
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Voltage - Supply:
                                    
                                    
                                        4.5V ~ 5.5V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Current - Output High, Low:
                                    
                                    
                                        4mA, 4mA
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Base Product Number:
                                    
                                    
                                        74HCT688
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        ECCN:
                                    
                                    
                                        EAR99