Advanced Digital Logic Design

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Exercise. This is the solution to exercise 6.1 in the book.

Solution.

Yes, a RAM is no different from a ROM in how it could be used to implement arbitrary combinational logic. Since the RAM is writable, it can also be used as a PLD (with the added advantage that the logic can be modified if necessary). The disadvantage of using a RAM for these purposes is that it is usually volatile, thus any power cycling requires an additional non-volatile device that will program the logic into the RAM.