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Schematic Problem (Beginner)

 
 
fabicenn fabicenn is offline
Junior Member
Join Date: Jul 2006
Posts: 2
 
      07-03-2006
Hi
I'm new in CPLD and FPGA world
I have an application with XC9572 in PC84 package.
My problem is that if I make "and" from two signal and "nand" from the same signal I have the right wave in output simulation (one inv to the other), but when I make this in the phisic CPLD I have the same output not inv (like nand operation)!!!!
I have make this with isewebpack 7.1 and its schematic editor.
Can you help me?
I thanks all previusly
 
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