Pipelined divider and dividing method with small lookup table

Details Pipelined divider and dividing method with small lookup table Pipelined divider and dividing method with small lookup table

2007-03-20

2007-03-20

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

10231566

ABSTRACT:
A pipelined divider with a small lookup table is disclosed. The pipelined divider can greatly reduce the size of a lookup table with a low cost to overcome the problems involved in the conventional pipelined divider requiring a large lookup table due to its iterative operation type. The pipelined divider has a delay time of 3 cycles in a single precision, and can reduce a chip size by about ⅓ in comparison to the existing pipelined divider.

REFERENCES:
patent: 5475630 (1995-12-01), Briggs et al.
patent: 6782405 (2004-08-01), Matula et al.
Hung et al “Fast Division Algorithm with a Small Lookup Table”, 1999 IEEE, pp. 1465-1468.
“Composite Division Unit”, IBM Tech. Disc. Bul., vol. 8, Issue 8, pp. 994-995, Jan. 1, 1967.

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