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:
Mar. 18, 2025

Filed:

Jul. 28, 2023
Applicant:

Ememory Technology Inc., Hsin-Chu, TW;

Inventors:

Chia-Jung Hsu, Hsinchu County, TW;

Chun-Yuan Lo, Hsinchu County, TW;

Chun-Hsiao Li, Hsinchu County, TW;

Chang-Chun Lung, Hsinchu County, TW;

Assignee:

eMemory Technology Inc., Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/10 (2006.01); G11C 16/32 (2006.01); G11C 16/34 (2006.01); H03K 19/0185 (2006.01);
U.S. Cl.
CPC ...
H03K 19/018528 (2013.01); G11C 16/102 (2013.01); G11C 16/32 (2013.01); G11C 16/3459 (2013.01);
Abstract

A programming method of a non-volatile memory cell is provided. The non-volatile memory cell includes a memory transistor. Firstly, a current limiter is provided, and the current limiter is connected between a drain terminal of the memory transistor and a ground terminal. Then, a program voltage is provided to a source terminal of the memory transistor, and a control signal is provided to a gate terminal of the memory transistor. In a first time period of a program action, the control signal is gradually decreased from a first voltage value, so that the memory transistor is firstly turned off and then slightly turned on. When the memory transistor is turned on, plural hot electrons are injected into a charge trapping layer of the memory transistor.


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