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. 07, 2015
Filed:
Sep. 12, 2013
Applicant:
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Inventor:
Mu-Shan Lin, Hsinchu, TW;
Assignee:
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01); H01L 25/00 (2006.01); H03K 5/01 (2006.01);
U.S. Cl.
CPC ...
H03K 5/01 (2013.01);
Abstract
An integrated circuit includes a clock source tier and at least two clock tree tiers disposed in a vertical stack with the clock source tier. The clock source tier includes a clock circuit, and each of the at least two clock tree tiers includes a clock tree circuit. The clock circuit is disposed in the clock source tier is coupled to the clock tree circuits disposed in the at least two clock tree tiers by at least one inter-layer via.