Multiplication device using multiple-input adder

Details Multiplication device using multiple-input adder Multiplication device using multiple-input adder

1983-01-26

1985-09-24

Malzahn, David H.

Boots, shoes, and leggings

G06F 752

Patent

active

045436410

ABSTRACT:
A multiplier device comprising hold means for holding the result of addition, block product means for producing k block products each having 2n bits, where n is an integer equal to or greater than 2, the k block products being formed by multiplying each block by n bits, k blocks being obtained by dividing a multiplicand at intervals of n bits from the least significant bit of the multiplicand, and adder means for adding two groups of block products to the output of the hold means, the two groups of block products consisting of alternate block products out of the k block products from the block product means.

REFERENCES:
patent: 3644724 (1972-02-01), Snejanka et al.
Larson, "Medium Speed Multiply", IBM Tech. Disclosure Bulletin, vol. 16, No. 7, Dec. 1973, pp. 2055.
Larson, "High-Speed Multiply Using Four Input Carry-Save Adder", IBM Tech. Disclosure Bulletin, vol. 16, No. 7, Dec. 1979, pp. 2053-2054.
Jackson et al., "Binary Multiplication & Division Utilizing a Three-Input Adder", IBM Tech. Disclosure Bulletin, vol. 15, No. 7, Dec. 1972, pp. 2263-2268.

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