Patent classifications
G11C16/02
3D semiconductor device and structure with memory
A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including a plurality of first transistors and at least one metal layer, where the at least one metal layer overlays the first single crystal layer, and where the at least one metal layer includes interconnects between the plurality of first transistors, the interconnects between the plurality of first transistors include forming first control circuits; a second level overlaying the at least one metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the plurality of second transistors, where the third level includes a plurality of second memory cells, the second memory cells each including at least one of the plurality of third transistors, where at least one of the plurality of second memory cells is at least partially atop of the first control circuits, where the first control circuits are adapted to control data written to at least one of the plurality of second memory cells; and where the plurality of second transistors are horizontally oriented transistors.
3D semiconductor device and structure with memory
A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including a plurality of first transistors and at least one metal layer, where the at least one metal layer overlays the first single crystal layer, and where the at least one metal layer includes interconnects between the plurality of first transistors, the interconnects between the plurality of first transistors include forming first control circuits; a second level overlaying the at least one metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the plurality of second transistors, where the third level includes a plurality of second memory cells, the second memory cells each including at least one of the plurality of third transistors, where at least one of the plurality of second memory cells is at least partially atop of the first control circuits, where the first control circuits are adapted to control data written to at least one of the plurality of second memory cells; and where the plurality of second transistors are horizontally oriented transistors.
SEMICONDUCTOR-ELEMENT-INCLUDING MEMORY DEVICE
A memory device includes pages arranged in columns and each constituted by a plurality of memory cells on a substrate, voltages applied to a first gate conductor layer, a second gate conductor layer, a first impurity layer, and a second impurity layer in each memory cell included in each of the pages are controlled to perform a page write operation of retaining, inside a channel semiconductor layer, a group of positive holes generated by an impact ionization phenomenon or by a gate-induced drain leakage current, and the voltages applied to the first gate conductor layer, the second gate conductor layer, the first impurity layer, and the second impurity layer are controlled to perform a page erase operation of discharging the group of positive holes from inside the channel semiconductor layer. The first impurity layer of the memory cell is connected to a source line, the second impurity layer thereof is connected to a bit line, one of the first gate conductor layer or the second gate conductor layer thereof is connected to a word line, and the other of the first gate conductor layer or the second gate conductor layer thereof is connected to a first driving control line. In a page read operation, page data in a group of memory cells selected by the word line is read to sense amplifier circuits, and in at least one operation among the page write operation, the page erase operation, and the page read operation, a voltage applied to at least one of the source line, the bit line, the word line, or the first driving control line is controlled by a reference voltage generating circuit combined with a temperature-compensating circuit.
MEMORY DEVICE THROUGH USE OF SEMICONDUCTOR DEVICE
A memory device includes pages, each being composed of a plurality of memory cells arrayed on a substrate in row form, and controls voltages to be applied to a first gate conductor layer, a second gate conductor layer, a first impurity layer, and a second impurity layer of each of the memory cells included in the pages to perform a page write operation of holding a hole group generated by an impact ionization phenomenon or a gate induced drain leakage current in a channel semiconductor layer, and controls voltages to be applied to the first gate conductor layer, the second gate conductor layer, the third gate conductor layer, the fourth gate conductor layer, the first impurity layer, and the second impurity layer to perform a page erase operation of removing the hole group out of the channel semiconductor layer. The first impurity layer of the each of the memory cells is connected to a source line, the second impurity layer is connected to a bit line, one of the first gate conductor layer and the second gate conductor layer is connected to one of word lines, and the other is connected to a first driving control line. The first driving control line is provided in common for adjacent ones of the pages, and when in the page erase operation, the memory device applies pulsed voltages to one of the word lines which performs the page erase operation and the first driving control line, and applies a fixed voltage to another one of the word lines which is not selected to perform the page erase operation.
METHOD FOR MANUFACTURING MEMORY DEVICE USING SEMICONDUCTOR ELEMENT
There are provided the steps of forming an N.sup.+ layer 21a and a Si pillar 26 on a substrate 20, the N.sup.+ layer 21a being connected to a source line SL, the Si pillar 26 standing in a vertical direction and being composed of a P.sup.+ layer 22a in a center portion thereof and a P layer 25a surrounding the P.sup.+ layer 22a; forming an N.sup.+ layer 3b and HfO.sub.2 layers 28a and 28b of gate insulating layers on the P.sup.+ layer 22a, the N.sup.+ layer 3b being connected to a bit line BL, the HfO.sub.2 layers 28a and 28b surrounding the Si pillar 26; and forming a TiN layer 30a of a gate conductor layer and a TiN layer 30b of a gate conductor layer, the TiN layer 30a surrounding the HfO.sub.2 layer 28a and being connected to a plate line PL, the TiN layer 30b surrounding the HfO.sub.2 layer 28b and being connected to a word line WL. Voltages to be applied to the source line SL, the plate line PL, the word line WL, and the bit line BL are controlled to perform a data write operation for holding a hole group generated by an impact ionization phenomenon or a gate induced drain leakage current in the Si pillar 26 and a data erase operation for discharging the hole group from within the Si pillar 26.
SEMICONDUCTOR-ELEMENT-INCLUDING MEMORY DEVICE
A memory device includes pages arranged in columns and each constituted by a plurality of memory cells on a substrate, voltages applied to a first gate conductor layer, a second gate conductor layer, a first impurity layer, and a second impurity layer in each memory cell included in each of the pages are controlled to perform a page write operation of retaining, inside a channel semiconductor layer, a group of positive holes generated by an impact ionization phenomenon or by a gate-induced drain leakage current, and the voltages applied to the first gate conductor layer, the second gate conductor layer, the first impurity layer, and the second impurity layer are controlled to perform a page erase operation of discharging the group of positive holes from inside the channel semiconductor layer. The first impurity layer of the memory cell is connected to a source line, the second impurity layer thereof is connected to a bit line, one of the first gate conductor layer or the second gate conductor layer thereof is connected to a word line, the other of the first gate conductor layer or the second gate conductor layer thereof is connected to a driving control line, and the bit lines are connected to sense amplifier circuits with a switch circuit therebetween. In a page read operation, page data in a group of memory cells selected by the word line is read to the sense amplifier circuits, and in a page sum-of-products read operation, a voltage is applied to the driving control line such that memory cell currents, in the group of memory cells, flowing into the bit lines multiply N-fold (N is a positive integer).
MEMORY DEVICE USING SEMICONDUCTOR ELEMENT
In a memory device, pages are arrayed in a column direction on a substrate, each page constituted by memory cells arrayed in row direction on a substrate. Each memory cell includes a zonal P layer. N.sup.+ layers continuous with a source line and a bit line respectively are on both sides of the P layer. Gate insulating layers surround part of the P layer continuous with the N.sup.+ layer and part of the P layer continuous with the N.sup.+ layer, respectively. One side surface of the gate insulating layer is covered with a gate conductor layer continuous with a first plate line, and the other side surface is covered with a gate conductor layer continuous with a second plate line. A gate conductor layer continuous with a word line surrounds the gate insulating layer.
3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH MEMORY
A 3D semiconductor device including: a first level including a first single crystal layer, the first level including a plurality of first transistors and at least one first metal layer, where the at least one first metal layer overlays the first single crystal layer, and where the at least one first metal layer includes interconnects between the first transistors forming first control circuits; a second metal layer overlaying the at least one first metal layer; a second level overlaying the second metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the second transistors, where the third level includes second memory cells, the second memory cells each including third transistors.
3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH MEMORY
A 3D semiconductor device including: a first level including a first single crystal layer, the first level including a plurality of first transistors and at least one first metal layer, where the at least one first metal layer overlays the first single crystal layer, and where the at least one first metal layer includes interconnects between the first transistors forming first control circuits; a second metal layer overlaying the at least one first metal layer; a second level overlaying the second metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the second transistors, where the third level includes second memory cells, the second memory cells each including third transistors.
INFORMATION PROCESSING DEVICE
A novel information processing device with least signal transmission delay and low power consumption is provided. A storage device includes a first layer, a second layer, and a third layer. The first layer is provided with a circuit. The second layer is provided with a memory cell portion. The third layer is provided with a first electrode. The circuit has a function of switching and performing reading or writing of first data or second data from or to the memory cell portion. At least part of the second layer is stacked above the first layer. At least part of the third layer is stacked above the second layer. An arithmetic device includes a fourth layer and a fifth layer. The fourth layer is provided with a central processing device. The fifth layer is provided with a second electrode. At least part of the fifth layer is stacked above the fourth layer. The circuit is electrically connected to the central processing device through the first electrode and the second electrode.