4289

 

Introduction date:   1974
Type:  

Standard Memory Interface.
Memory:    
Technology:   P-channel silicon gate MOS technology
Number of transistors:    
History:

 		   The 4289 was a combination of the 4008 and the 4009 in one single chip to make it easier to interface to other chips.
It was used with other MCS-4/40 devices such as the 4004 and 4040 CPU.
 
Second source:    

 

Intel          
C4289          
         
Malaysia
7641		          
           
D4289          
         
Malaysia
7848		          

 


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