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. 15, 2007
Filed:
Dec. 27, 2005
Hong-ping Tsai, Hsinchu, TW;
Hong-Ping Tsai, Hsinchu, TW;
eMemory Technology Inc., Hsinchu, TW;
Abstract
A boost circuit comprising a first level shifter and a switch circuit is provided. The first level shifter outputs either an output voltage of the boost circuit or a first bias voltage according to a boost control signal. The switch circuit determines whether to transmit a second bias voltage to an output terminal of the boost circuit according to the output of the first level shifter. The present invention further comprises a capacitance equivalent circuit and a second level shifter. The capacitance equivalent circuit comprises a first terminal and a second terminal, and the first terminal is electrically coupled to the output terminal of the boost circuit. Similarly, the second level shifter outputs a third bias voltage or the first bias voltage to the second terminal of the capacitance equivalent circuit. In addition, the first bias voltage is smaller than the second bias voltage and the third bias voltage.