4001

 

Introduction date:   1971
Type:   Fully Decoded Static Random Access Memory.
Memory:   256 x 8-bit
Technology:   P-channel silicon gate MOS technology (10 microns)
Number of transistors:    
History:


 		   The 4001 is a 256 x 8-bit ROM designed to be used with other MCS-4/40 devices such as the 4004 CPU.
 

 
Second source:    


 

Intel

          
C4001 C4001 C4001 C4001 C4001 C4001
Highslide JS
Intel C4001 gray traces ceramic package.
Highslide JS
Intel C4001 white ceramic package.
Highslide JS
Intel C4001 white ceramic package.
Highslide JS
Intel C4001 white ceramic package.
Highslide JS
Intel C4001 white ceramic package.
Highslide JS
Intel C4001 white ceramic package.
N.D.C
 		 N.D.C
 		 MEXICO
N.D.C		 Malaysia
N.D.C		 Malaysia
7816		 USA
7819
           
C4001 C4001        
Highslide JS
Intel C4001 white ceramic package.
Highslide JS
Intel C4001 white ceramic package.
       
Malaysia
7821		 Malaysia
7817		        
           
P4001 P4001 P4001      
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Intel P4001 gray plastic package.
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Intel C4001 gray plastic package.
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Intel P4001 black plastic package.
     
N.D.C
 		 MEXICO
7412		 Philippines
8101		      


3" Intel 4001 wafer

  Highslide JS
Intel 4001 wafer.
Highslide JS
Intel 4001 closeup image of single chip on wafer.
 
  P-channel silicon gate MOS technology 10microns Closeup image of single chip
Datecode 7304		  


 


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