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19 input XOR gate with 2 input XOR

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kris2552

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hi Guys,

Could anybody please tell me how to implement a 19 input xor gate with 2 input xor gates?

Thank you.
 

If timing plays any role in the application, a binary tree would be used most likely.
 

Thank you very much guys. That was useful.
 

hi
u can implement in two ways

1. in first stage 2 inputs are given as input the left out input will be added to 2nd stage like that u can draw until u reach to the end with single output.

2. apply first two inputs to first xor gate out put of this gate is combined with new input for next level xor gate. continue this untill u reach the end
 
You can genneralize the last process.

For Odds inputs, n_input = (Odds % 2) inputs are for 2 xor input level.
The remaining input IN, must be use for the second xor level. The seconds level is now even.
In this case the number of 2-xor imput are exactly (n_input + IN / 2).... and so on ....
 

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