Array of configurable logic blocks each including a first lookup

Details Array of configurable logic blocks each including a first lookup Array of configurable logic blocks each including a first lookup

1995-06-05

1995-11-21

Trans, Vincent N.

Boots, shoes, and leggings

34082583, 326 39, H03K 17693

Patent

active

054693683

ABSTRACT:
A programmable integrated circuit includes configurable logic blocks (CLB's), configurable input/output blocks (IOB's) and a configurable interconnect network for providing program-defined routing of signals between the CLB's and IOB's. Each CLB includes a plurality of function lookup tables (LUT's) each defined by a bit storage area and a select means responsive to input signals for selecting a stored bit. The design includes first and second LUT's where the first LUT output determines whether the output of the second LUT will be forwarded or replaced by another function output.

REFERENCES:
patent: 5212652 (1993-05-01), Agrawal et al.
patent: 5329460 (1994-07-01), Agrawal et al.
patent: 5422823 (1995-06-01), Agrawal et al.

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