Intel  4289

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Intel 4289
Introduction date:
Technology:
Category:
Port:

History:

 
1974
P-channel silicon gate MOS technology
Standard Memory Interface
4 Bit bidirectional I/O Port

The 4289 was a single package equivalent of 4008 and the 4009 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.
 

  C4289 D4289  
   
   Malaysia, 7641 Malaysia, 7825