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Digital Arithmetic
book

Digital Arithmetic

by Miloš D. Ercegovac, Tomás Lang
September 2003
Intermediate to advanced content levelIntermediate to advanced
709 pages
26h 51m
English
Morgan Kaufmann
Content preview from Digital Arithmetic
144 e H • pT E N 3 Multioperand Addition
P
3
4
5
6
7
9
11
H k W
1
4
3
10
9
7
21
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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Publisher Resources

ISBN: 9781558607989