Samsung Electronics Co., Ltd.

Doo Sub Lee

Pan Suk Kwak

A memory device includes; a memory cell array including a memory cell connected to a bit line, a page buffer unit receiving data from the memory cell via the bit line, and a contact unit providing an electrical path through which the data is communicated from the memory cell array to the page buffer unit, wherein the contact unit comprises a sub-bit line configured to connect the bit line via a first contact with the page buffer unit via a second contact.

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Yongin-si, South Korea

Doo Sub Lee