Products Mentioned

MAX233A Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX233A on Analog.com

MAX220 Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX220 on Analog.com

MAX222 Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX222 on Analog.com

MAX232A Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX232A on Analog.com

MAX242 Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX242 on Analog.com

MAX243 Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX243 on Analog.com

MAX223 Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX223 on Analog.com

MAX230 Production
The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications...
Datasheet
MAX230 on Analog.com

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Absolute Maximum Ratings of MAX233A

		
	
				

			

									
					    YJI
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Jul 22, 2026 
				
			
			
		

		
		                    	    

        	    
Thread Summary

                The user inquired about the TIN absolute maximum rating for the MAX233A, which is listed as -0.3 V to (VCC - 0.3 V) in the datasheet. The final answer confirms this rating and advises staying within this range to ensure guaranteed operation, differing from the -0.3 V to (VCC + 0.3 V) rating for other devices like the MAX223, MAX230 to MAX241.
                        	    

                
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Category: Datasheet/Specs

    		        		            		    
Product Number:  MAX233A  

    		        		    		    

		    		    
		    			

			    
Hi,


I have a question regarding the absolute maximum TIN rating for the MAX233A.


According to the datasheet, the TIN rating for the MAX220, MAX222, MAX232A, MAX233A, MAX242, and MAX243 is listed as -0.3 V to (VCC - 0.3 V).


For the other devices—the MAX223, MAX230 ~ MAX241—the TIN rating is listed as -0.3 V to (VCC + 0.3 V).


I believe -0.3 V to (VCC + 0.3 V) is the standard, but is it correct that the MAX233A’s rating is -0.3 V to (VCC - 0.3 V)?


Best Regards,

			

			
									
		                             
                        

    

                                            
                 Datasheet/Specs
                
                                                    
                 MAX233A
                
                                                    
                 Interface Transceivers & Isolators
                
                                
            

    
    
		


				
				        
        		

			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		


        
        
        
    
					

			





















	

	

					



			


				
	









	
    
	

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    •  Analog Employees  
    
            
						
                            
            
            				
            
                on Jul 22, 2026 11:18 PM
            
            
						
			            		
    
		
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    Hi,
    

    Thank you for your inquiry regarding the TIN absolute maximum rating for the MAX233A.
    

    The different TIN absolute maximum rating likely reflects the input voltage range over which these parts were characterized, carried forward into the consolidated datasheet. We recommend keeping TIN as -0.3V to (VCC – 0.3 V) for the MAX233A, as staying within the specified limit ensures guaranteed operation.
    

    Best,
    

    Jane
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
				
						
						
				
				
		
		
    
			
		
    
	
    

    

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