The Plexers library includes control components. Like the components of the Gates library, all are combinational with their outputs determined completely by their current inputs, but their purpose is generally for routing values between and among multiple signals wires or buses.
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Multiplexer — select one value from of a group of wires |
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Demultiplexer — send a value to one of a group of wires |
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Decoder — enable one out of a group of wires |
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Priority Encoder — check which wire among a group is enabled |
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Bit Selector — select one bit from a bus |