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:
May. 03, 2011
Filed:
Aug. 17, 2007
Masahiko Hayano, Tokyo, JP;
Yoshitaka Suzuki, Tokyo, JP;
Masahiko Hayano, Tokyo, JP;
Yoshitaka Suzuki, Tokyo, JP;
Oki Semiconductor Co., Ltd., , JP;
Abstract
An asynchronous data holding circuit including a source synchronizer which acquires an enable signal synchronized with a destination clock, in response to a rising or falling edge of the enable signal, acquires the other one of the rising or falling edge of the enable signal in synchronization with a source clock, and outputs the enable signal, a first data holding unit which holds a data signal from the source, in response to the enable signal from the source synchronizer and the source clock, a destination synchronizer which outputs the enable signal from the source synchronizer, in synchronization with the destination clock, and a second data holding unit which holds the data signal in the first data holding unit in response to the enable signal from the destination synchronizer and the destination clock, is provided.