Variable logic integrated circuit device having connections thro

Details Variable logic integrated circuit device having connections thro Variable logic integrated circuit device having connections thro

1996-11-12

1998-10-20

Santamauro, Jon

Electronic digital logic circuitry

Multifunctional or programmable

Array

326 38, H03K 19177

Patent

active

058252037

ABSTRACT:
A variable logic integrated circuit device formed on a semiconductor chip comprising variable logic blocks and switch matrices laid out alternately in the X and Y directions in a checkerboard pattern. Above the variable logic blocks is a block interconnection wiring arrangement formed by multiple-layer wiring techniques. The variable logic blocks and switch matrices are wired into circuits respectively by a lower wiring layer in the multiple wiring layer setup of the chip. The block interconnection wiring is formed by an upper wiring layer extending above the variable logic blocks and included in the multiple wiring layer setup. The switch matrices are used to connect the block interconnection lines to one another as well as to the variable logic blocks.

REFERENCES:
patent: 5003200 (1991-03-01), Sakamoto
patent: 5448186 (1995-09-01), Kawata
patent: 5543640 (1996-08-01), Sutherland et al.
patent: 5631478 (1997-05-01), Okumura
Information Processing Society of Japan, "Information Processing", vol. 35, No. 6, pp. 505-510., Jun. 1994.

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