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.

Date of Patent:
Oct. 06, 2015

Filed:

May. 19, 2014
Applicant:

Altera Corporation, San Jose, CA (US);

Inventors:

Martin Voogel, Los Altos, CA (US);

Steven Teig, Menlo Park, CA (US);

Thomas S. Chanack, Saratoga, CA (US);

Andrew Caldwell, Santa Clara, CA (US);

Jung Ko, Santa Clara, CA (US);

Trevis Chandler, San Francisco, CA (US);

Assignee:

Altera Corporation, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/177 (2006.01); H01L 25/00 (2006.01); H03K 19/0185 (2006.01);
U.S. Cl.
CPC ...
H03K 19/177 (2013.01); H03K 19/018585 (2013.01); H03K 19/1776 (2013.01); H03K 19/17704 (2013.01); H03K 19/17744 (2013.01); H03K 19/17748 (2013.01);
Abstract

Some embodiments provide a configurable integrated circuit (IC) having a routing fabric that includes configurable storage element in its routing fabric. In some embodiments, the configurable storage element includes a parallel distributed path for configurably providing a pair of transparent storage elements. The pair of configurable storage elements can configurably act either as non-transparent (i.e., clocked) storage elements or transparent configurable storage elements. In some embodiments, the configurable storage element in the routing fabric performs both routing and storage operations by a parallel distributed path that includes a clocked storage element and a bypass connection. In some embodiments, the configurable storage element perform both routing and storage operations by a pair of master-slave latches but without a bypass connection. The routing fabric in some embodiments supports the borrowing of time from one clock cycle to another clock cycle by using the configurable storage element that can be configure to perform both routing and storage operations in different clock cycles. In some embodiments, the routing fabric provide a low power configurable storage element that includes multiple storage elements that operates at different phases of a slower running clock.


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