G11C13/0007

CES-BASED LATCHING CIRCUITS

According to one embodiment of the present disclosure, a device comprises a latching circuitry, where the latching circuitry comprises at least one correlated electron random access memory (CeRAM) element. The latching circuitry further comprises a control circuit coupled to the at least one CeRAM element. The control circuit is configured to receive at least one control signal. Based on the at least one control signal, perform at least one of storing data into the latching circuitry and outputting data from the latching circuitry.

SELF-SELECTING MEMORY ARRAY WITH HORIZONTAL ACCESS LINES

Methods, systems, and devices for self-selecting memory with horizontal access lines are described. A memory array may include first and second access lines extending in different directions. For example, a first access line may extend in a first direction, and a second access line may extend in a second direction. At each intersection, a plurality of memory cells may exist, and each plurality of memory cells may be in contact with a self-selecting material. Further, a dielectric material may be positioned between a first plurality of memory cells and a second plurality of memory cells in at least one direction. each cell group (e.g., a first and second plurality of memory cells) may be in contact with one of the first access lines and second access lines, respectively.

DISTINCT CHIP IDENTIFIER SEQUENCE UTILIZING UNCLONABLE CHARACTERISTICS OF RESISTIVE MEMORY ON A CHIP
20230005538 · 2023-01-05 ·

Stochastic or near-stochastic physical characteristics of resistive switching devices are utilized for generating data distinct to those resistive switching devices. The distinct data can be utilized for applications related to electronic identification. As one example, data generated from physical characteristics of resistive switching devices on a semiconductor chip can be utilized to form a distinct identifier sequence for that semiconductor chip, utilized for verification applications for communications with the semiconductor chip or utilized for generating cryptographic keys or the like for cryptographic applications.

MEMORY WITH A MULTI-INVERTER SENSE CIRCUIT AND METHOD

Disclosed is a memory structure with reference-free single-ended sensing. The structure includes an array of non-volatile memory (NVM) cells (e.g., resistance programmable NVM cells) and a sense circuit connected to the array via a data line and a column decoder. The sense circuit includes field effect transistors (FETs) connected in parallel between an output node and a switch and inverters connected between the data line and the gates of the FETs, respectively. To determine the logic value of a stored bit, the inverters are used to detect whether or not a voltage drop occurs on the data line within a predetermined period of time. Using redundant inverters to control redundant FETs connected to the output node increases the likelihood that the occurrence of the voltage drop will be detected and captured at the output node, even in the presence of process and/or thermal variations. Also disclosed is a sensing method.

RESISTIVE RANDOM ACCESS MEMORY AND METHOD FOR OPERATING SAME
20230028701 · 2023-01-26 ·

A resistive random access memory (RRAM) and a method for operating the RRAM are disclosed. The RRAM includes at least two successively stacked conductive layers and a resistive switching layer situated between every adjacent two conductive layers, wherein a migration interface with an interface effect is formed at each interface between one conductive layer and the resistive switching layer in contact therewith, wherein the migration interface regulates, by the interface effect, vacancies formed in the resistive switching layer under the effect of an electrical signal. The regulation includes at least one of absorption, migration and diffusion.

Optical synapses

An optical synapse comprises a memristive device for non-volatile storage of a synaptic weight dependent on resistance of the device, and an optical modulator for volatile modulation of optical transmission in a waveguide. The memristive device and optical modulator are connected in control circuitry which is operable, in a write mode, to supply a programming signal to the memristive device to program the synaptic weight and, in a read mode, to supply an electrical signal, dependent on the synaptic weight, to the optical modulator whereby the optical transmission is controlled in a volatile manner in dependence on programmed synaptic weight.

Programmable resistive memory element and a method of making the same

A programmable resistive memory element and a method of adjusting a resistance of a programmable resistive memory element are provided. The programmable resistive memory element includes at least one resistive memory element. Each resistive memory element includes an Indium-Gallium-Zinc-Oxide (IGZO) resistive layer, a first electrical contact and a second electrical contact. The first and second electrical contacts are disposed on the IGZO resistive layer in the same plane. The programmable resistive memory element includes a voltage generator coupled to the first and second electrical contacts, constructed and arranged to apply a thermal treatment to the resistive memory element to adjust a resistance of the resistive memory element.

RESISTIVE MEMORY DEVICE AND OPERATING METHOD OF THE RESISTIVE MEMORY DEVICE
20230017843 · 2023-01-19 ·

A resistive memory device includes: conductive layers and interlayer insulating layers, which are alternatively stacked; a vertical hole vertically penetrating the conductive layers and the interlayer insulating layers; a gate insulating layer disposed over an inner wall of the vertical hole; a charge trap layer disposed over an inner wall of the gate insulating layer; a channel layer disposed over an inner wall of the charge trap layer; and a variable resistance layer disposed over an inner wall of the channel layer.

NON-VOLATILE MEMORY STRUCTURE WITH POSITIONED DOPING
20230225227 · 2023-07-13 ·

Disclosed is a resistive random access memory (RRAM). The RRAM includes a bottom electrode made of tungsten and a switching layer made of hafnium oxide disposed above the bottom electrode, wherein the switching layer includes a filament and one or more lateral regions including a doping material that are between a top region and a bottom region of the switching layer. The RRAM further includes a top electrode disposed above the switching layer.

Resistive random access memory device

A memory architecture includes: a plurality of cell arrays each of which comprises a plurality of bit cells, wherein each of bit cells of the plurality of cell arrays uses a respective variable resistance dielectric layer to transition between first and second logic states; and a control logic circuit, coupled to the plurality of cell arrays, and configured to cause a first information bit to be written into respective bit cells of a pair of cell arrays as an original logic state of the first information bit and a logically complementary logic state of the first information bit, wherein the respective variable resistance dielectric layers are formed by using a same recipe of deposition equipment and have different diameters.