Intel  4209

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1974
P-channel silicon gate MOS technology
General Purpose byte Input port

The Intel 4209 is a part of the Intel MCS-40 family. It has
two 4-Bit input ports for I/O input data. External strobe
simultaneously loads input buffer. One 4-Bit input port for
I/O status input data. One 4-Bit output port for I/O control data.
 


  C4209  
   
  Malaysia, 7536
extremely rare piece!!
 

More Info about the INTEL 4209


 

Intel 4209 Block diagram

Intel 4209 Pinout