Logic cell and routing architecture in a field programmable gate

Details Logic cell and routing architecture in a field programmable gate Logic cell and routing architecture in a field programmable gate

1995-04-07

1997-01-14

Hudspeth, David R.

Electronic digital logic circuitry

Multifunctional or programmable

Array

326 41, H03K 19177

Patent

active

055943632

ABSTRACT:
The present invention provides for an FPGA integrated circuit having an array of logic cells and interconnect lines interconnected by programmable switches, each formed from a nonvolatile memory cell. The logic cell is designed to provide logic or memory functions according to the setting of programmable switches within the cell. The logic cells in the array are interconnectable by a hierarchy of local, long and global wiring segments. The interconnections are made by the setting of programmable switches between the wiring segments.

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patent: 5479113 (1995-12-01), Gamal et al.
patent: 5498978 (1996-03-01), Takahashi et al.
patent: 5504440 (1996-04-01), Sasaki

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