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US 2012/0269019 A1Published application
Semiconductor device having control bitline to prevent floating body effect
AssigneeHynix Semiconductor Inc.
InventorWoo Young CHUNG
Life of this patent
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Abstract
A vertical semiconductor device is provided. The semiconductor device includes a cell array including a control bit line connected to cells and electrically isolated from a bit line, and a floating body control circuit for applying a floating control voltage to the control bit line in a predetermined period.
Claims16
A semiconductor device, comprising:
- a pillar vertically extended from a semiconductor substrate;
- a bit line coupled to a first side of a lower portion of the pillar;
- a control bit line coupled to a second side of the lower portion of the pillar and electrically isolated from the bit line;
- and
- a gate electrode coupled to the pillar and arranged to cross the bit line and the control bit line.
2 more elements
A semiconductor device, comprising:
- a cell array including a plurality of cells, a bit line which is coupled to the cells and is configured to transfer data, and a control bit line which is coupled to the cells and is electrically isolated from the bit line;
- a sense amplifier which is coupled to the bit line and is configured to sense data stored in the cells;
- and
- a floating body control circuit which is configured to apply a floating control voltage to the control bit line.
1 more element
Dependencies are inferred from the claim text.