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Currently, I'm learning about flip flops and how it is used in RAM to store memory so I'm trying to recreate the circuitry in Logisim. I know the components I need which are address register, 4-bit data register, 1 bit read/write register and the actual 4 nibble RAM with its own address space and data space. How do I create each individual pieces and put them together?

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You need to put multiplexers and selector/decoders around your flipflops.

The read path needs to multiplex each nibble using the 2 address line.

The write path is selecting with these two address lines with nibble should be modified.

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