NSC COP400

COP402N
NSCCOP402N.jpg (23435 bytes)
 
4 MHz
40 pin PDIP
COP420-JGU/N
 
4 MHz
28 pin PDIP
COP421-HZT/N
NSCCOP421-HZTN.jpg (30533 bytes)
 
4 MHz
24 pin PDIP

Russian

KP1820BE1A
 
4 MHz
40 pin PDIP
COP402 clone
Manufactured by Integral