Logical circuit that performs multiple logical operations in eac

Details Logical circuit that performs multiple logical operations in eac Logical circuit that performs multiple logical operations in eac

1990-12-04

1993-08-24

Malzahn, David H.

Boots, shoes, and leggings

364787, G06F 750

Patent

active

052394999

ABSTRACT:
A logical circuit comprises a plurality of stage processing units, each of which includes a logical operation processing unit and a carry signal transmission controlling unit. The logical operation processing unit carries out a logical operation process of plural bits of input data, and the carry signal transmission controlling unit controls transmission of a carry signal which is supplied from a carry signal transmission controlling unit of the preceding stage of the stage processing unit. In this structure, the logical operation process is carried out with every group of plural bits of the input data, and the carrying signal is transmitted through the stage processing units which are less in number than that of a conventional logical circuit, so that the processing time of the logical circuit is shortened.

REFERENCES:
patent: 4323982 (1982-04-01), Eichrodt et al.
patent: 4439835 (1984-03-01), Best et al.
patent: 4523292 (1985-06-01), Armer
patent: 5025409 (1991-06-01), Goto

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