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.:

US 8374043 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 12, 2013

Filed:

May. 01, 2009
Applicants:

Hyun-bae Lee, Hwaseong-si, KR;

Sang-woong Shin, Seongnam-si, KR;

Inventors:

Hyun-Bae Lee, Hwaseong-si, KR;

Sang-Woong Shin, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sense amplifier having a pre-amplifier and a main-amplifier is disclosed. The pre-amplifier is connected to paired data line, senses and amplifies data on the paired data line using voltage mode and outputting a pair of differential signal. The main-amplifier is connected to the paired data line, senses and amplifies data on the paired data line using current mode and generating a first amplified signal, senses and amplifies the first amplified signal using voltage mode in response to the pair of differential signal, and outputting an amplified data.


Find Patent Forward Citations

Lee, Hyun-Bae. (2013). Sense amplifier and semiconductor memory device using it (U.S. Patent No. 8374043). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8374043

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