Module shift
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You are given a module my_dff with two inputs and one output (that implements a D flip-flop). Instantiate three of them, then chain them together to make a shift register of length 3. The clk port needs to be connected to all instances.
The module provided to you is:
module my_dff ( input clk, input d, output q );
Note that to make the internal connections, you will need to declare some wires. Be careful about naming your wires and module instances: the names must be unique.
Module Declaration
module top_module ( input clk, input d, output q );
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