Decimal multiplying assembly and multiply module

Details Decimal multiplying assembly and multiply module Decimal multiplying assembly and multiply module

1993-01-06

1995-01-03

Envall, Jr., Roy N.

Boots, shoes, and leggings

G06F 752

Patent

active

053792459

ABSTRACT:
A modular multiplying assembly and a multiply module for use in the multiplying assembly implemented by hard-wired circuits are disclosed. Each module calculates multiplication for operands of a decimal single digit and can receive a carry or carries from adjacent module or modules. Each of the modules is implemented by a memory member or a set of logic gates such as a programmable logic array. In case of module implemented by a set of logic gates, an extremely high-speed calculation is obtained.

REFERENCES:
patent: 4566075 (1986-01-01), Guttag
patent: 5060183 (1991-10-01), Sakashita et al.
patent: 5258945 (1993-11-01), Lee et al.
Maholick, "Fast BCD Multiplication Logic", IBM Technical Disclosure Bulletin, vol. 20, No. 2, 1977.

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