T A B t t 3.1 Values of H, k, and W for typical modules.
An implementation requires the coding of the variables h and w. Then the
modules can be implemented using gate networks. Figure 3.5 shows the im-
plementation of a [4:2] module. In this case, h =
h i, i -Jr hi,2
(unary code) and
w - 2c + 2b + a, as shown in the figure.
Another possible implementation uses a network of full-adders. Such an
implementation for a [4:2] module is given in Chapter 2; Figure 3.6 illustrates
this implementation for [5:2] and [7:2] modules. ...
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