Semiconductor Manufacturing International (shanghai) Corporation

Semiconductor Manufacturing International (beijing) Corporation

Jia Xu Peng

Yao Zhou

Hao Ni

Tian Shen Tang

Memory arrays and reading, programming and erasing methods of the memory arrays are provided. An exemplary memory array includes a plurality of memory columns. Each memory column has a plurality of flash memory cells. The memory columns are divided into at least two blocks. At least one source pull down column is disposed between the two adjacent blocks. Each source pull down column has a plurality of flash memory cells. A source of each flash memory cell in the source pull down column is coupled to sources of the flash memory cells of the plurality memory columns in a same row as the flash memory cell in the source pull down column to pull down a source of a selected flash memory cell to 0 V.

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Shanghai, China

Jia Xu Peng