Or you could do somthing with buffering the output after selecting a channel
positive: you can have much more outputs, as many as signals you don't need for anything
negative: short refresh times where the output of the logics are not stable
here an example setup:
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
example uses A, B, C as memory selectors, but you could also use just A and use the value of it for discriminating betweeen memory cells