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:
May. 02, 2006

Filed:

Jul. 30, 2004
Applicants:

Meng-jer Wey, Hsinchu, TW;

Chih-hung Wu, Kaohsiung, TW;

Inventors:

Meng-Jer Wey, Hsinchu, TW;

Chih-Hung Wu, Kaohsiung, TW;

Assignee:

Faraday Technology Corp., Hsin-Chu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 19/0175 (2006.01); H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
Abstract

A programmable level shifter. The programmable level shifter comprises a first P-type FET, a second P-type FET, a third P-type FET, a fourth P-type FET, a fifth P-type FET, a sixth P-type FET, a first N-type FET, a second N-type FET, a third N-type FET, and a programmable device. The first P-type FET is coupled between a first power line and an output node. The first N-type FET is coupled between the first P-type FET and a second power line. The programmable device is coupled between the first power line and the output node, which can be programmed to change an effective resistance between the first power line and the output node when the second P-type FET is turned on.


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