| 摘要 |
A high density vertical gain cell is realized for memory operation. The gain cell includes a vertical MOS transistor used as a sense transistor having a floating body between a drain region and a source region, and a second vertical MOS transistor merged with the sense transistor. Addressing the second vertical MOS transistor provides a means for changing a potential of the floating body of the sense transistor. The vertical gain cell can be used in a memory array with a read data/bit line and a read data word line coupled to the sense transistor, and with a write data/bit line and a write data word line coupled to the second transistor of the vertical gain cell.
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