发明授权
US08897077B2 Nonvolatile semiconductor memory device 有权
非易失性半导体存储器件

Nonvolatile semiconductor memory device
摘要:
According to an aspect of the present invention, it is provided: a nonvolatile semiconductor memory device comprising: a plurality of bit lines arranged in a first direction; a plurality of source lines arranged in the first direction, the plurality of source lines being parallel to the plurality of bit lines, the plurality of source lines being distinct from the plurality of bit lines; a plurality of memory gate lines arranged in a second direction perpendicular to the first direction; a plurality of memory cells arranged in a matrix, each of the plurality of memory cells including a p type MIS nonvolatile transistor having a first terminal, a second terminal, a channel between the first terminal and the second terminal, a gate insulation film formed on the channel, a gate electrode connected to one corresponding memory gate line of the plurality of memory gate lines, and a carrier storage layer formed between the gate insulation film and the gate electrode, the first terminal being connected to one corresponding bit line of the plurality of bit lines and the second terminal being connected to one corresponding source line of the plurality of source lines.
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