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                74LS02 quad 2-input NOR gate  14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                74LS04 hex inverter NOT gate 14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                74LS05 hex inverter NOT gate 14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                74LS08 quad 2-input AND gate 14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                74LS21 dual 4 -input AND gate 14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                74LS32 quad 2-input OR gate 14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                74LS86 quad exclusive OR gate 14pin
                
             
            
                                
                                       
                                
            
         
     
 
                                    
    
        
            
                 
            
            
                SN74LS10N bipolar NAND gates 14pin