Semiconductor storage device
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United States of America Patent
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Sep 1, 2015
Grant Date -
May 29, 2014
app pub date -
Nov 18, 2013
filing date -
Nov 27, 2012
priority date (Note) -
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Abstract
A semiconductor storage device 1 according to an aspect includes a first memory area 11—1 and a second memory area 11—2. Memory cells MC_m_n and bit lines BL1, BL2_, . . . . , BLm_are disposed in a boundary area 18 between the first and second memory areas 11—1 and 11—2. The memory cells MC_m_n disposed in the boundary area 18 includes memory cells into which no data is written, and a line 56 is formed in a place that overlaps memory cells disposed in the boundary area 18 when the boundary area 18 is viewed from the top. As a result, it is possible to increase the integration density of a memory cell array and provide a line in the memory cell array.
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