Boots – shoes – and leggings
Patent
1995-08-11
1997-11-25
Elmore, Reba I.
Boots, shoes, and leggings
364754, 364757, 364759, G06F 752
Patent
active
056919301
ABSTRACT:
A partial product generator in a binary multiplier for multiplying a parallel n-bit binary multiplier and a parallel m-bit binary multiplicand comprises n/2 (n being an even integer) or (n+1)/2 (n being an odd integer) number of Booth encoders, each of which generates a partial product and includes a first inverter for inverting a first two-bit extended, i.e., m+2 bits, multiplicand (ATO), a second inverter for inverting a second two-bit extended, i.e., m+2 bits, multiplicand (BTO), a first multiplexer for selecting one of the first and the second two-bit extended, inverted m+2 bit multiplicands, a plus "1" logic for adding a binary "1" to the m+2 bit binary number (CT) selected from the first multiplexer and a second multiplexer for selecting the first extended m+2 bit multiplicand, the second extended m+2 bit multiplicand or the added m+2 bit binary number, to thereby produce the partial product, wherein the selection operation of the first and the second multiplexers is controlled by a selection code derived from the n-bit multiplier.
REFERENCES:
patent: 4807175 (1989-02-01), Tokumaru et al.
patent: 4972362 (1990-11-01), Elkind et al.
patent: 5231415 (1993-07-01), Hagihara
patent: 5251167 (1993-10-01), Simmonds et al.
patent: 5291431 (1994-03-01), Ho et al.
patent: 5325320 (1994-06-01), Chiu
patent: 5325321 (1994-06-01), Ishida
Daewoo Electronics Co. Ltd.
Elmore Reba I.
Moise Emmanuel L.
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