G11C11/2297

Memory cell driver, memory cell arrangement, and methods thereof
11594271 · 2023-02-28 · ·

In various embodiments, a memory cell arrangement is provided including a memory cell driver and one or more memory cells, wherein one or more control nodes of each of the one or more memory cells are electrically conductively connected to one or more output nodes of the memory cell driver. The memory cell driver may include: a first supply node to receive a first supply voltage and a second supply node to receive a second supply voltage, a plurality of input nodes to receive a plurality of input voltages, one or more output nodes, and a logic circuit connected to the first supply node, the second supply node, the plurality of input nodes, and the one or more output nodes, wherein the logic circuit includes one or more logic gates and is configured to connect via the one or more logic gates either the first supply node or the second supply node to the one or more output nodes in response to the plurality of input voltages.

Voltage supply circuit, memory cell arrangement, transistor arrangement, and methods thereof
11508428 · 2022-11-22 · ·

An electronic circuit may be operated based on two or more supply voltages ramped in accordance with a digital control scheme, the digital control scheme may include ramping a voltage value of a first output voltage generated via a first digitally controlled voltage converter from a first target voltage value to a third target voltage value such that the voltage value of the first output voltage matches a second target voltage value during a first ramp interval and the third target voltage value during a second ramp interval; and ramping a voltage value of a second output voltage generated via a second digitally controlled voltage converter from the first target voltage value to the second target voltage value such that the voltage value of the second output voltage matches the second target voltage value during the first ramp interval, and the second target voltage value during the second ramp interval.

Memory device, memory cell arrangement, and methods thereof
11508426 · 2022-11-22 · ·

Various aspects relate to a memory cell arrangement including: a field-effect transistor based capacitive memory cell including a memory element, wherein a memory state of the memory element defines a first memory state of the field-effect transistor based capacitive memory cell and wherein a second memory state of the memory element defines a second memory state of the field-effect transistor based capacitive memory cell; and a memory controller configured to, in the case that a charging state of the field-effect transistor based capacitive memory cell screens an actual threshold voltage state of the field-effect transistor based capacitive memory cell, cause a destructive read operation to determine whether the field-effect transistor based capacitive memory cell was, prior to the destructive read operation, residing in the first memory state or in the second memory state.

SYSTEMS AND METHODS TO STORE MULTI-LEVEL DATA

Disclosed herein are related to a memory system and a method of operating the memory system. In one aspect, resistances of a first memory cell, a second memory cell, a third memory cell, and a fourth memory cell are individually set. In one aspect, the first memory cell and the second memory cell are coupled to each other in series between a first line and a second line, and the third memory cell and the fourth memory cell are coupled to each other in series between the second line and a third line. In one aspect, current through the second line according to a parallel resistance of i) a first series resistance of the first memory cell and the second memory cell, and ii) a second series resistance of the third memory cell and the fourth memory cell is sensed. According to the sensed current, multi-level data can be read.

Local reference voltage generator for non-volatile memory

A memory device including a reference voltage (V.sub.REF) generator and method for operating the same to improve memory sensing margin, and extend operational temperature range and life of the device are disclosed. Generally, the device further includes an array of non-volatile memory cells divided into a plurality of blocks, a sensing circuit coupled to the array to receive and compare memory signals therefrom to the V.sub.REF to read data from the cells. The Local reference voltage generator is configured to provide one of a number of reference voltages to the sensing circuit based on which of the blocks is being read. The array can be divided based on row and column addresses of cells in the blocks. Where the cells include 1T1C ferroelectric random access memory (F-RAM) cells, and the reference voltages are selected based on a lowest P-term or highest U-term of the cells in the block being read.

VOLTAGE ADJUSTMENT OF MEMORY DIES BASED ON WEIGHTED FEEDBACK
20220358988 · 2022-11-10 ·

Methods, systems, and devices for voltage adjustment of memory dies based on weighted feedback are described. A supply voltage may be measured at various areas of a memory die, weights may be applied to the measured voltages based on the area from which the particular voltage was measured. The supply voltage may be adjusted based on the weighted signals. The signals may be weighted using digital or analog techniques. Different durations of time in which oscillations from an oscillator circuit are counted may provide weighting for a signal. Weights applied to the signals may be dynamically adjusted, which may allow the weights to be tuned or changed based on changes to operating conditions of the memory dies.

Non-volatile memory devices and systems with volatile memory features and methods for operating the same

Memory devices, systems including memory devices, and methods of operating memory devices and systems are provided, in which at least a subset of a non-volatile memory array is configured to behave as a volatile memory by erasing or degrading data in the event of a changed power condition such as a power-loss event, a power-off event, or a power-on event. In one embodiment of the present technology, a memory device is provided, comprising a non-volatile memory array, and circuitry configured to store one or more addresses of the non-volatile memory array, to detect a changed power condition of the memory device, and to erase or degrade data at the one or more addresses in response to detecting the changed power condition.

DIE VOLTAGE REGULATION
20230100397 · 2023-03-30 ·

Methods, systems, and devices for die voltage regulation are described. A device may include a first die and second die. A component that generates voltage on the first die may be connected to a capacitor on the second die through a conductive line. The conductive line may allow the capacitor on the second die to regulate voltage generated by the component on the first die.

Boundary protection in memory

Apparatuses and methods related to power domain boundary protection in memory. A number of embodiments can include using a voltage detector to monitor a floating power supply voltage used to power a number of logic components while a memory device operates in a reduced power mode, and responsive to the voltage detector detecting that the floating power supply voltage reaches a threshold value while the memory device is in the reduced power mode, providing a control signal to protection logic to prevent a floating output signal driven from one or more of the logic components from being provided across a power domain boundary to one or more of a different number of logic components.

NON-VOLATILE MEMORY DEVICES AND SYSTEMS WITH VOLATILE MEMORY FEATURES AND METHODS FOR OPERATING THE SAME

Memory devices, systems including memory devices, and methods of operating memory devices and systems are provided, in which at least a subset of a non-volatile memory array is configured to behave as a volatile memory by erasing or degrading data in the event of a changed power condition such as a power-loss event, a power-off event, or a power-on event. In one embodiment of the present technology, a memory device is provided, comprising a non-volatile memory array, and circuitry configured to store one or more addresses of the non-volatile memory array, to detect a changed power condition of the memory device, and to erase or degrade data at the one or more addresses in response to detecting the changed power condition.