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:
Aug. 12, 2008

Filed:

Jul. 31, 2006
Applicant:

Xiang Zhu, San Jose, CA (US);

Inventor:

Xiang Zhu, San Jose, CA (US);

Assignee:

Lattice Semiconductor Corporation, Hillsboro, OR (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An integrated circuit of an embodiment may comprise synchronous logic, combinational logic, and clock circuitry to clock the synchronous logic through various states dependent on the combinational logic. The synchronous logic may comprise a plurality of master-slave registers. The combinational logic is configured to drive data inputs of the synchronous logic dependent on states established by the master-slave registers. The clock circuitry is configured to clock the master portion of the master-slave registers with a lag rendering of a clock signal and to clock the slave portion of the registers with a lead rendering of the clock signal. In a particular example, the circuitry may define a frequency divider of a complementary CMOS realization.


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