Expandable 4 .times. 8 array multiplier

Details Expandable 4 .times. 8 array multiplier Expandable 4 .times. 8 array multiplier

1978-04-03

1978-12-19

Malzahn, David H.

Boots, shoes, and leggings

G06F 752

Patent

active

041308786

ABSTRACT:
An expandable array multiplier is disclosed using an asynchronous, sequential add technique for multiplying two numbers in either straight magnitude or two's complement notation. First and second control terminals are provided for simplifying expansion to larger array sizes. The control terminals can be programmed to select either two's complement or straight magnitude multiplication. For a two's complement multiply, the control terminals are programmed according to the relative position of the particular multiplier within an expanded array such that the proper two's complement correction terms are generated within a particular multipler. A carry-lookahead technique is used to further improve multiplier performance.

REFERENCES:
patent: 3670956 (1972-06-01), Calhoun
patent: 3752971 (1973-08-01), Calhoun et al.
patent: 3914589 (1975-10-01), Gaskill, Jr. et al.

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