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. 12, 2010

Filed:

Feb. 09, 2007
Applicants:

Jong-hyun Choi, Gyeonggi-do, KR;

Kyu-chan Lee, Gyeonggi-do, KR;

Sung-min Yim, Gyeonggi-do, KR;

Dong-hak Shin, Gyeonggi-do, KR;

Inventors:

Jong-Hyun Choi, Gyeonggi-do, KR;

Kyu-Chan Lee, Gyeonggi-do, KR;

Sung-Min Yim, Gyeonggi-do, KR;

Dong-Hak Shin, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01); G11C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A driver circuit for an integrated circuit device includes a transistor that has a gate terminal, a source terminal, and a bulk substrate terminal. The source terminal is connected to the bulk substrate terminal. A pull-up circuit is connected between a power supply node and the source terminal. The pull up circuit is configured to increase a voltage at the source terminal and the bulk substrate terminal of the transistor responsive to a control signal.


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