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Reliable set operation for phase-change memory cell
Reliable set operation for phase-change memory cell
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机译:相变存储单元的可靠设置操作
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摘要
A Phase-Change Memory (PCM) device and a method of writing data to the PCM device are described. The PCM device includes a multi-phase data storage cell having at least a Set state and a Reset state that may be established using a heater configured to heat the data storage cell. A memory interface may be coupled with the heater configured to write data to the data storage cell, the data being represented by the Set or the Reset states. A write Reset pulse is used to place the data storage cell in the Reset state corresponding to a read value that is less than a read threshold. A write Set pulse that is a predetermined function of the write Reset pulse is used to place the data storage cell in the Set state. The PCM device may include additional intermediate states that enable each data storage cell to store two or more bits of information. Other embodiments may be described and claimed.
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