Apparatus and method for providing higher radix redundant...

Details Apparatus and method for providing higher radix redundant... Apparatus and method for providing higher radix redundant...

2005-04-27

2009-06-02

Ngo, Chuong D (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S493000, C708S628000

Reexamination Certificate

active

07543008

ABSTRACT:
An apparatus and method are disclosed for providing higher radix redundant digit lookup tables for digital lookup table circuits. A compressed direct lookup table unit accesses a redundant digits lookup table that is capable of providing a high order part and a low order part that can be directly concatenated to form an output numeric value. The redundant digits lookup table of the invention is structured so that no output overflow exceptions are created. A redundant digits lookup table recoder capable of providing recoded output values directly to partial product generators of a multiplier unit is also disclosed.

REFERENCES:
patent: 5862059 (1999-01-01), Matula et al.
patent: 6240433 (2001-05-01), Schmookler et al.
patent: 6938062 (2005-08-01), Matula et al.
patent: 7038696 (2006-05-01), Emerson et al.

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