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:
Dec. 31, 2013

Filed:

Mar. 31, 2011
Applicants:

Alfred Yeung, Fremont, CA (US);

Hamid Partovi, Los Altos, CA (US);

John Ngai, Boxborough, MA (US);

Ronen Cohen, Sunnyvale, CA (US);

Inventors:

Alfred Yeung, Fremont, CA (US);

Hamid Partovi, Los Altos, CA (US);

John Ngai, Boxborough, MA (US);

Ronen Cohen, Sunnyvale, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/289 (2006.01);
U.S. Cl.
CPC ...
Abstract

A latch device is provided with a driver and a shadow latch. The driver has an input to accept a binary driver input signal, an input to accept a clock signal, and an input to accept a shadow-Q signal. The driver has an output to supply a binary Q signal equal to the inverse of the driver input signal, in response to the driver input signal, the shadow-Q signal, and the clock signal. The shadow latch has an input to accept the driver input signal, and an input to accept the clock signal. The shadow latch has an output to supply the shadow-Q signal equal to the inverted Q signal, in response to the driver input signal and clock signal.


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