Patent application number | Description | Published |
20080298121 | METHOD OF OPERATING PHASE-CHANGE MEMORY - A method of operating a phase-change memory array. The method may comprise causing a first current to flow through a phase-change memory element in a first direction and causing a second current to flow through the memory element in a second direction. | 12-04-2008 |
20090014776 | MEMORY DEVICE, MEMORY AND METHOD FOR PROCESSING SUCH MEMORY - An integrated memory device, an integrated memory chip and a method for fabricating an integrated memory device is disclosed. One embodiment provides at least one integrated memory device with a drain, a source, a floating gate, a selection gate and a control gate, wherein the conductivity between the drain and the source can be controlled independently via the control gate. | 01-15-2009 |
20090034343 | DATA RETENTION MONITOR - A data retention monitor for a memory cell including a voltage source and a voltage comparator. The voltage source is adapted to provide a selectable voltage to the memory cell. The selectable voltage includes a read voltage and a test voltage, with the test voltage being greater than the read voltage. The voltage comparator is adapted to compare a voltage of the memory cell with a reference voltage after the provision of the selectable voltage to the memory cell. The memory cell retains data when the memory cell voltage generated at least in part by the test voltage is substantially equal to the reference voltage. | 02-05-2009 |
20090309149 | Memory cell arrangements and methods for manufacturing a memory cell arrangement - In an embodiment, a memory cell arrangement is provided which may include a charge storing memory cell comprising a first active area running along a first direction, a second active area disposed next to the charge storing memory cell, the second active area running along a second direction, the second direction being different from the first direction, and a select structure disposed above the second active area configured to control a current flow through the second active area. | 12-17-2009 |
20110103150 | NON-VOLATILE MEMORY WITH PREDICTIVE PROGRAMMING - A method of operating an integrated circuit includes applying at least one first programming pulse to a plurality of non-volatile memory cells to adjust a level of a storage parameter of each of the non-volatile memory cells, the at least one first programming pulse defined by a plurality of pulse parameters each having a fixed valued, and determining a fail count by measuring the number of non-volatile memory cells of the plurality of non-volatile memory cells having a storage parameter level exceeding a verify level. The method further includes determining a change in an programming behavior of the plurality of non-volatile memory cells based on the fail count, adjusting a value of at least one pulse parameter of at least one second programming pulse defined by the plurality of pulse parameters to a desired value based on the change in programming behavior, and applying the at least one second programming pulse to the plurality non-volatile memory cells. | 05-05-2011 |
20130058159 | METHOD OF OPERATING PHASE-CHANGE MEMORY - One or more embodiments may be related to a method of operating a phase-change memory element, comprising: providing the phase-change memory element, the phase-change memory element having a first terminal and a second terminal; causing a first current through the memory element from the first terminal to the second terminal; and causing a second current through the memory element from the second terminal to the first terminal, wherein the causing the first current programs the memory element from a first resistance state to a second resistance state and the causing the second current programs the memory element from the first resistance state to the second resistance state. | 03-07-2013 |
20130208527 | MEMORY CELL, A METHOD FOR FORMING A MEMORY CELL, AND A METHOD FOR OPERATING A MEMORY CELL - A memory cell is provided, the memory cell including a first two-terminal memory element; a second two-terminal memory element; a controller circuit configured to program the first two-terminal memory element to one or more states and the second two-terminal memory element to one or more states, wherein a state of the first two-terminal memory element and a state of the second two-terminal memory element are interdependent; and a measuring circuit configured to measure a difference signal between a first two-terminal memory element signal associated with the state of the first two-terminal memory element and a second two-terminal memory element signal associated with the state of the second two-terminal memory element. | 08-15-2013 |
20140056058 | Differential Sensing Method and System for STT MRAM - The invention relates to methods and systems for reading a memory cell and in particular, an STT MRAM. In accordance with one aspect of the invention, a system for reading a memory cell includes a read path and a precharge path. The reference current is provided through the read path and is sampled via a sampling element in the read path. Subsequently, a current from the memory cell is provided through the same sampling element and read path. The output level is then determined by the cell current working against the sampled reference current. | 02-27-2014 |
20140056079 | Method and System for Switchable Erase or Write Operations in Nonvolatile Memory - Embodiments relate to systems and methods including a step of switching between two or more erase operations and/or two or more write operations for erasing of and/or writing to least one memory cell of a nonvolatile memory enabling to select a most suitable erase and/or write operation for a particular erase and/or write operation within the memory. | 02-27-2014 |
20140063923 | Mismatch Error Reduction Method and System for STT MRAM - The invention relates to methods and systems for reading a memory cell and in particular, an STT MRAM. In accordance with one aspect of the invention, a method for reading a memory cell includes combining a cell current from a memory cell with a reference current from a reference source to create an average current, enabling the average current to flow through a first mirror transistor in a sense path and a second mirror transistor in a reference path, storing the current mismatch on a capacitor coupled to the gates of the first mirror transistor and the second mirror transistor, disconnecting the memory cell from the reference path and disconnecting the reference source from the sense path, enabling the cell current only to flow through the sense path, and determining the output level of the memory cell. | 03-06-2014 |
20150054102 | Method for Applying Magnetic Shielding Layer, Method for Manufacturing a Die, Die and System - A method for applying a magnetic shielding layer to a substrate is provided, wherein a first magnetic shielding layer is adhered to a first surface of the substrate. A first film layer is adhered to the first magnetic shielding layer and the first magnetic shielding layer is more adherent to the first surface than the film layer to the first magnetic shielding layer. | 02-26-2015 |