Samsung Electronics Co., Ltd.

Sungmin Joe

Joonsuc Jang

Byungsoo Kim

Jinyoung Kim

Sehwan Park

Dongmin Shin

Youngdeok Seo

Hyunggon Kim

Junyong Park

Yonghyuk Choi

Sangsoo Park

Kihoon Kang

A method for programming at least one memory cell of a plurality of memory cells included in a non-volatile memory device, the at least one memory cell including a word line and a bit line, the method including: performing a first and second program and verify operation based on a first and second condition, respectively, wherein each program and verify operation includes generating a program voltage and a bit line voltage by a voltage generator included in the non-volatile memory device and providing the program voltage and the bit line voltage to the word line and the bit line, respectively, wherein voltage levels and voltage application times of each program voltage and bit line voltage correspond to the first condition or the second condition, respectively, wherein the first condition is different from the second condition.

Non-volatile memory device and method for programming a non-volatile memory device

A method of programming a non-volatile memory device may include; during a first channel initialization period, applying a first voltage to a selected word line and a first word line group proximate to the selected word line, and applying a second voltage lower than the first voltage to a second word line group distal from the selected word line, applying a first program voltage to the selected word line during a first program execution period in order to perform a first program operation for data, during a second channel initialization period, applying the first voltage to the selected word line and the first word line group, and applying the second voltage to the second word line group, and applying a second program voltage to the selected word line during a second program execution period in order to perform a second program operation for the data.

Method of programming non-volatile memory device

Non-volatile memory device and method for programming the same using multiple program operations under different conditions

A storage device includes a nonvolatile memory device and a memory controller to control the nonvolatile memory device. The nonvolatile memory device includes a memory cell array. The memory cell array includes a normal cell region, a parity cell region and a redundancy cell region. First bit-lines are connected to the normal cell region and the parity cell region and second bit-lines are connected to the redundancy cell region. The memory controller includes an error correction code (ECC) engine to generate parity data. The memory controller stores user data in the normal cell region, controls the nonvolatile memory device to perform a column repair on first defective bit-lines among the first bit-lines, assigns additional column addresses to the first defective bit-lines and the second bit-lines and stores at least a portion of the parity data in a region corresponding to the additionally assigned column addresses.

Storage devices and methods of operating storage devices

A nonvolatile memory device that performs two-way channel precharge during programming is provided. A program operation of the nonvolatile memory device simultaneously performs a first precharge operation in a bit line direction and a second precharge operation in a source line direction on channels of a plurality of cell strings before programming a selected memory cell to initialize the channels. The first precharge operation precharges the channels of the plurality of cell strings using a first precharge voltage applied to the bit line through first and second string selection transistors, and the second precharge operation precharges the channels of the plurality of cell strings using a second precharge voltage applied to the source line through first and second ground selection transistors.

Nonvolatile memory device performing two-way channel precharge

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Seoul, South Korea

Sungmin Joe