Phase change memory device generating program current and method thereof
A phase change memory device may include a memory cell array, a write driver, and/or a control unit. The memory cell array may include a plurality of memory cells. The write driver may be configured to provide a program current to the memory cell array for setting a state of a phase change material...
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| Main Authors | , , |
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| Format | Patent |
| Language | English |
| Published |
06.05.2010
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A phase change memory device may include a memory cell array, a write driver, and/or a control unit. The memory cell array may include a plurality of memory cells. The write driver may be configured to provide a program current to the memory cell array for setting a state of a phase change material to program a selected memory cell. The write driver may be configured to provide the program current such that the program current has a plurality of steps. The control unit may be configured to receive step information for adjusting a magnitude and a width of each step of the program current during a test operation and provide the step information to the write driver during a normal operation. |
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| AbstractList | A phase change memory device may include a memory cell array, a write driver, and/or a control unit. The memory cell array may include a plurality of memory cells. The write driver may be configured to provide a program current to the memory cell array for setting a state of a phase change material to program a selected memory cell. The write driver may be configured to provide the program current such that the program current has a plurality of steps. The control unit may be configured to receive step information for adjusting a magnitude and a width of each step of the program current during a test operation and provide the step information to the write driver during a normal operation. |
| Author | CHO BEAK-HYUNG PARK MU-HUI CHO WOO-YEONG |
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| Snippet | A phase change memory device may include a memory cell array, a write driver, and/or a control unit. The memory cell array may include a plurality of memory... |
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| Title | Phase change memory device generating program current and method thereof |
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