| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        Texas Instruments | 
                                    
                                                                        
                                        | Series | 
                                        74ALS | 
                                    
                                                                        
                                        | Package | 
                                        Tube | 
                                    
                                                                        
                                        | Product Status | 
                                        Discontinued at Digi-Key | 
                                    
                                                                        
                                        | Type | 
                                        Identity Comparator | 
                                    
                                                                        
                                        | Number of Bits | 
                                        8 | 
                                    
                                                                        
                                        | Output | 
                                        Active High | 
                                    
                                                                        
                                        | Output Function | 
                                        A=B | 
                                    
                                                                        
                                        | Voltage - Supply | 
                                        4.5V ~ 5.5V | 
                                    
                                                                        
                                        | Current - Output High, Low | 
                                        100µA, 24mA | 
                                    
                                                                        
                                        | Max Propagation Delay @ V, Max CL | 
                                        33ns @ 5V, 50pF | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        0°C ~ 70°C | 
                                    
                                                                        
                                        | Package / Case | 
                                        20-SOIC (0.295", 7.50mm Width) | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        20-SOIC | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                        
                                        | Base Product Number | 
                                        74ALS518 | 
                                    
                                                                        
                                        | RoHS Status | 
                                        ROHS3 Compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        1  (Unlimited) | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Unaffected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.39.0001 | 
                                    
                                                                        
                                        | Standard Package | 
                                        25 | 
                                    
                                                                                                        
                            
                         
                                                Magnitude Comparator Bit Active High Output A=B 20-SOIC