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:
Jun. 06, 2006

Filed:

Jun. 24, 2004
Applicants:

Jeng-huang Wu, Zhubei, TW;

Sheng-hua Chen, Kaohsiung, TW;

Inventors:

Jeng-Huang Wu, Zhubei, TW;

Sheng-Hua Chen, Kaohsiung, TW;

Assignee:

Faraday Technology Corp., Hsin-Chu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B 1/00 (2006.01); H03L 5/00 (2006.01); G06F 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A CMOS Pierce crystal oscillator. A clock generator with activation control, for generating a clock signal. The clock generator comprises an amplifier, a shaping circuit and a diagnostic circuit. The amplifier is capable of being coupled to an external oscillation source through an input pad and an output pad to generate an oscillating signal, the shaping circuit is capable of being coupled to the output pad, for shaping the oscillating signal to generate a clock signal, and the diagnostic circuit is capable of being coupled to the output pad, for asserting a ready signal when amplitude of the oscillating signal exceeds a predetermined portion of a full swing voltage.


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