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SHENZHEN I/O >  Værksted > KeyKons værksted > 3-BIT ADDER
3-BIT ADDER
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3 kommentarer
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Cocoa 26. okt. 2022 kl. 19:40 
I did it, solved in 23/1290/0, PGA * 4 and NOT * 3

I used a PGA to rotate the inputs of A2, B0 and B1 to solve the wiring problem.

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=2880414670
KeyKon  [ophavsmand] 10. aug. 2022 kl. 12:56 
Nice, my best is 13/1277/24 with 2 MC6000 and 3 DX300.

Yea you are right, the lack of space is a pain in the ass and prevents experimenting, no idea why I did this :D

PGA is possible but expensive (I needed 4 + one negate gate):

Image [imgur.com]
Cocoa 18. juli 2022 kl. 21:40 
Solved in 14/1420/28. Using 3 MCs and 3 expanders.

Tried to use PGA to solve this puzzle but failed. Maybe putting (a0, b0), (a1, b1) and (a2, b2) together will make this puzzle easier...