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:
Oct. 08, 2024

Filed:

Jan. 04, 2023
Applicant:

Changxin Memory Technologies, Inc., Hefei, CN;

Inventors:

Guifen Yang, Hefei, CN;

Sungsoo Chi, Hefei, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/06 (2006.01); G11C 7/10 (2006.01); G11C 7/12 (2006.01);
U.S. Cl.
CPC ...
G11C 7/067 (2013.01); G11C 7/1096 (2013.01); G11C 7/12 (2013.01);
Abstract

Embodiments relate to a sense amplifier circuit and a data read method. The sense amplifier circuit includes: a first P-type transistor connected to a first signal terminal; a second P-type transistor connected to a second signal terminal; a first N-type transistor connected to a third signal terminal; a second N-type transistor connected to a fourth signal terminal; a first offset cancellation subcircuit configured to connect a first read bit line to a second complementary read bit line in response to a first offset cancellation signal; a second offset cancellation subcircuit configured to connect a first complementary read bit line to a second read bit line in response to a second offset cancellation signal; a first write-back subcircuit configured to connect the first complementary read bit line to the second complementary read bit line in response to a first write-back signal; and a second write-back subcircuit.


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