The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1995
Filed:
Sep. 01, 1993
Applicant:
Inventors:
Kapil Shankar, Fremont, CA (US);
Cyrus Y Tsui, Los Altos, CA (US);
Assignee:
Lattice Semiconductor Corporation, Hillsboro, OR (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; H01L / ;
U.S. Cl.
CPC ...
326 41 ; 36518908 ; 326 39 ;
Abstract
The disclosed structure and method route an input signal received at an input/output pin through multiple input/output cells to a routing resource. In one embodiment, each input/output cell can be programmed to provide either a combinatorial input signal or a registered input signal. Increased flexibility is achieved by routing the registered input signal or the combinatorial input signal of each cell to a routing resource via one or more I/O cells.