Radix 4 carry lookahead tree and redundant cell therefor

Details Radix 4 carry lookahead tree and redundant cell therefor Radix 4 carry lookahead tree and redundant cell therefor

1990-04-02

1992-03-10

Malzahn, David H.

Boots, shoes, and leggings

G06F 750

Patent

active

050954580

ABSTRACT:
A high radix carry lookahead tree includes a plurality of tree nodes, each of the tree nodes including a carrying chain or a variation thereof, and/or a NAND gate chain or a variation thereof; and each tree node may have three or more children.

REFERENCES:
patent: 4163211 (1979-07-01), Miura
patent: 4660165 (1987-04-01), Masumoto
patent: 4858168 (1989-08-01), Hwang
patent: 4870681 (1989-09-01), Sedlak
patent: 4899305 (1990-02-01), Needles
patent: 4956802 (1990-09-01), Priem
Wade, "Binary Adder with Quaternary Lookahead" IBM Tech. Disclosure Bulletin, vol. 7, No. 11, Apr. 1965 pp. 1006-1008.

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