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:
Jan. 13, 2009
Filed:
May. 21, 2004
Applicants:
Hsin-wo Fang, Taoyuan, TW;
Ming-jing Ho, Hsin-Chu, TW;
Inventors:
Hsin-Wo Fang, Taoyuan, TW;
Ming-Jing Ho, Hsin-Chu, TW;
Assignee:
United Microelectronics Corp., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); G06F 7/38 (2006.01); H03K 19/00 (2006.01); H03K 19/173 (2006.01);
U.S. Cl.
CPC ...
Abstract
A chip with programmable input/output (I/O) circuits has a plurality of layout layers including a plurality of same layouts in a plurality of positions of the layout layers so as to implement a plurality of sub-circuit cells with the same layout, and at least a connection layer having different layouts corresponding to the different positions of the layout layers so that the sub-circuit cells in different positions implement different circuit functions.