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basic logic in xc9500

 
 
fabicenn fabicenn is offline
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Join Date: Jul 2006
Posts: 2
 
      07-08-2006
Hi
Why if I make a "xor" port or "or" it's correct and if I make an "and" port pratical result is a nand? In this case if I try to add in "inv" port after "and" out the output remain the same?
The CPLD is an XC9536 5Vcc

Please help me I haven't solution
 
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