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.:
Date of Patent:
May. 12, 1998
Filed:
May. 07, 1997
Woong Lim Choi, Kwachon-si, KR;
Kyeong Man Ra, Chungcheongbuk-do, KR;
Kyung Myung Hur, Cheongju-si, KR;
LG Semicon Co., Ltd., Chungcheongbuk-Do, KR;
Abstract
A device for and method of sensing data of a multi-bit memory cell includes a memory cell having a gate, a source and a drain, the memory cell being programmed with at least two voltage levels, a voltage generator coupled to the memory cell and providing the gate of the memory cell with a voltage, the voltage being increased linearly, a sensing amplifier coupled to the memory cell and generating a sensing signal when a drain voltage of the memory cell is lower than a reference voltage, a voltage detector coupled to the sensing amplifier and the voltage generator and detecting synchronously a gate voltage of the memory cell with the sensing signal of the sensing amplifier, andan A/D converter coupled to the voltage detector and translating the gate voltage detected in the voltage detector into a digital value.
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