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:
Jan. 28, 1997

Filed:

May. 10, 1993
Applicant:
Inventor:

Akira Usui, Hamamatsu, JP;

Assignee:

Yamaha Corporation, Hamamatsu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H03D / ;
U.S. Cl.
CPC ...
375376 ; 370516 ; 326 81 ; 331 57 ;
Abstract

An integrated circuit device is comprised of an input interface, a PLL unit, a processing unit and an output interface. The input interface operates in response to an external clock signal for sequentially receiving input data in synchronization with an external synchro signal. The PLL unit includes an internal clock source operative in phase-locked manner according to the external synchro signal for generating an internal clock signal which is faster than the external clock signal. The processing unit operates in response to the internal clock signal for sequentially processing the input data. The output interface operates in response to the external synchro signal for sequentially outputting the processed data in synchronization with the external synchro signal.


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