Method of restoring variable resistance memory device
First Claim
1. A method of programming an electronic device including:
- providing an electronic device, said electronic device including a phase-change memory device;
applying one or more first polarity pulses to said device, said one or more first polarity pulses including at least two pulses applied in succession; and
applying one or more second polarity pulses to said device.
3 Assignments
0 Petitions
Accused Products
Abstract
Methods of programming a phase-change memory device that remedy device failure. The methods includes applying a sequence of two or more electrical energy pulses to the device, where the sequence of pulses includes positive polarity pulses and negative polarity pulses. In one method, two or more pulses of an initial polarity are applied and are followed by one or more pulses having opposite polarity. In another method, pulses of an initial polarity are repeatedly applied until the device fails and one or more pulses of opposite polarity are subsequently applied to restore the device to its initial performance. The pulses may be set pulses, reset pulses, or pulses that produce programmed states having a resistance intermediate between the set resistance and reset resistance of the device.
17 Citations
35 Claims
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1. A method of programming an electronic device including:
- providing an electronic device, said electronic device including a phase-change memory device;
applying one or more first polarity pulses to said device, said one or more first polarity pulses including at least two pulses applied in succession; and applying one or more second polarity pulses to said device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 28)
- providing an electronic device, said electronic device including a phase-change memory device;
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14. A method of programming an electronic device including:
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providing an electronic device, said electronic device including a phase-change memory device, said phase-change memory device including a phase-change material in electrical communication with a first electrode and a second electrode, said phase-change material having a reset state achievable by applying a reset pulse to said device and a set state achievable by applying a set pulse to said device; applying one or more first polarity pulses to said device; and applying one or more second polarity pulses to said device. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35)
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Specification