Patent classifications
H10B53/40
SEMICONDUCTOR CHIP
A semiconductor chip including a semiconductor substrate, an interconnect structure and a memory cell array is provided. The semiconductor substrate includes a logic circuit. The interconnect structure is disposed on the semiconductor substrate and electrically connected to the logic circuit, and the interconnect structure includes stacked interlayer dielectric layers and interconnect wirings embedded in the stacked interlayer dielectric layers. The memory cell array is embedded in the stacked interlayer dielectric layers. The memory cell array includes driving transistors and memory devices, and the memory devices are electrically connected the driving transistors through the interconnect wirings.
USING FERROELECTRIC FIELD-EFFECT TRANSISTORS (FeFETs) AS CAPACITIVE PROCESSING UNITS FOR IN-MEMORY COMPUTING
An electronic circuit includes a plurality of word lines; a plurality of bit lines intersecting said plurality of word lines at a plurality of grid points; and a plurality of in-memory processing cells located at said plurality of grid points. Each of said in-memory processing cells includes a first switch having a first terminal coupled to a corresponding one of said word lines and a second terminal; a second switch having a first terminal coupled to said second terminal of said first switch and a second terminal coupled to a corresponding one of said bit lines; and a non-volatile tunable capacitor having one electrode coupled to said second terminal of said first switch and said first terminal of said switch, and having another electrode coupled to ground.
Vertical metal oxide semiconductor channel selector transistor and methods of forming the same
A device structure includes at least one selector device. Each selector device includes a vertical stack including, from bottom to top, a bottom electrode, a metal oxide semiconductor channel layer, and a top electrode and located over a substrate, a gate dielectric layer contacting sidewalls of the bottom electrode, the metal oxide semiconductor channel layer, and the top electrode, and a gate electrode formed within the gate dielectric layer and having a top surface that is coplanar with a top surface of the top electrode. Each top electrode or each bottom electrode of the at least one selector device may be contacted by a respective nonvolatile memory element to provide a one-selector one-resistor memory cell.
Ferroelectric Devices
Some embodiments include a ferroelectric device having a ferroelectric insulative material which includes zinc. Some embodiments include a capacitor having a ferroelectric insulative material between a first electrode and a second electrode. The ferroelectric insulative material includes one or more metal-oxide-containing layers and one or more zinc-containing layers. Some embodiments include a memory array having a first set of first conductive structures and a second set of second conductive structures. The first conductive structures are coupled with driver circuitry, and the second conductive structures are coupled with sensing circuitry. The memory array includes an array of access devices. Each of the access devices is uniquely addressed by one of the first conductive structures in combination with one of the second conductive structures. Ferroelectric capacitors are coupled with the access devices. Each of the ferroelectric capacitors includes ferroelectric insulative material having zinc.
Cell disturb prevention using a leaker device to reduce excess charge from an electronic device
An example of an apparatus includes a plurality of memory cells. At least a portion of the memory cells have a bottom electrode with each bottom electrode being at least partially electrically isolated from remaining ones of the bottom electrodes. At least one resistive interconnect electrically couples two or more of the bottom electrodes. The resistive interconnect is arranged to discharge at least a portion of excess charge from the two or more bottom electrodes. Additional apparatuses and methods of forming the apparatuses are disclosed.
MEMORY CELL, MEMORY CELL ARRANGEMENT, AND METHODS THEREOF
According to various aspects, a memory cell is provided, the memory cell may include a field-effect transistor; a first control node and a second control node, a first capacitor structure including a first electrode connected to the first control node, a second electrode connected to a gate region of the field-effect transistor, and a remanent-polarizable region disposed between the first electrode and the second electrode of the first capacitor structure; and a second capacitor structure including a first electrode connected to the second control node, a second electrode connected to the gate region of the field-effect transistor. In some aspects, the first capacitor structure may have a first capacitance and the second capacitor structure may have a second capacitance different from the first capacitance.
POWER GATING IN A MEMORY DEVICE
Methods, systems, and devices for power gating in a memory device are described for using one or more memory cells as drivers for load circuits of a memory device. A group of memory cells of the memory device may represent memory cells that include a switching component and that omit a memory storage element. These memory cells may be coupled with respective plate lines that may be coupled with a voltage source having a first supply voltage. Each memory cell of the group may also be coupled with a respective digit line that may be coupled with the load circuits. Respective switching components of the group of memory cells may therefore act as drivers to apply the first supply voltage to one or more load circuits by coupling a digit line with a plate line having the first supply voltage.
Array Of Memory Cells, Methods Used In Forming An Array Of Memory Cells, Methods Used In Forming An Array Of Vertical Transistors, Methods Used In Forming An Array Of Vertical Transistors, And Methods Used In Forming An Array Of Capacitors
A method used in forming an array of memory cells comprises forming a vertical stack comprising transistor material directly above and directly against a first capacitor electrode material. A mask is used to subtractively etch both the transistor material and thereafter the first capacitor electrode material to form a plurality of pillars that individually comprise the transistor material and the first capacitor electrode material. Capacitors are formed that individually comprise the first capacitor electrode material of individual of the pillars. Vertical transistors are formed above the capacitors that individually comprise the transistor material of the individual pillars. Other aspects and embodiments are disclosed, including structure independent of method.
Integrated Components Which Have Both Horizontally-Oriented Transistors and Vertically-Oriented Transistors
Some embodiments include an integrated assembly. The integrated assembly has a first transistor with a horizontally-extending channel region between a first source/drain region and a second source/drain region; has a second transistor with a vertically-extending channel region between a third source/drain region and a fourth source/drain region; and has a capacitor between the first and second transistors. The capacitor has a first electrode, a second electrode, and an insulative material between the first and second electrodes. The first electrode is electrically connected with the first source/drain region, and the second electrode is electrically connected with the third source/drain region. A digit line is electrically connected with the second source/drain region. A conductive structure is electrically connected with the fourth source/drain region.
Integrated assemblies and methods of forming integrated assemblies
Some embodiments include a method of forming an integrated assembly. Semiconductor material is patterned into a configuration which includes a set of first upwardly-projecting structures spaced from one another by first gaps, and a second upwardly-projecting structure spaced from the set by a second gap. The second gap is larger than the first gaps. Conductive material is formed along the first and second upwardly-projecting structures and within the first and second gaps. First and second segments of protective material are formed over regions of the conductive material within the second gap, and then an etch is utilized to pattern the conductive material into first conductive structures within the first gaps and into second conductive structures within the second gap. Some embodiments include integrated assemblies.