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:
Jul. 27, 2004
Filed:
Jun. 17, 2003
Applicant:
Inventors:
Nai-Pin Kuo, Hsinchu, TW;
Se-Chueh Lo, Hsinchu, TW;
Wen-Yi Hsieh, Hsinchu, TW;
Yufe Lin, Hsinchu, TW;
Assignee:
Macronix International Co., Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/04 ;
U.S. Cl.
CPC ...
G06F 1/04 ;
Abstract
A current produced by a current mirror in a clock generator circuit for a charge pump is controlled by a temperature dependent, current-adjusting MOSFET which has a threshold voltage (Vt) that varies with temperature. As the temperature varies, the current through the a temperature dependent, current-adjusting MOSFET varies, to thereby control a frequency of the clock generator circuit. The MOSFET can be provided with a temperature-independent power supply, so that the current of the temperature dependent, current-adjusting MOSFET can be more closely controlled.