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Farooqui et al., 1999 - Google Patents

64-bit media adder

Farooqui et al., 1999

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Document ID
9807277611723223860
Author
Farooqui A
Oklobdzija V
Chechrazi F
Publication year
Publication venue
IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS

External Links

Snippet

This paper presents the design of a highly re-configurable adder, which has been optimized for speed and area. Since pass transistor based multiplexer is the fastest element in standard CMOS logic, we designed the adder using only multiplexers and 2-input inverted …
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Classifications

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    • G06F7/48Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52Multiplying; Dividing
    • G06F7/523Multiplying only
    • G06F7/533Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5334Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
    • G06F7/5336Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm
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    • G06F7/57Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups G06F7/483 - G06F7/556 or for performing logical operations
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