摘要:
Provided is a programming method of a nonvolatile memory device. The nonvolatile memory device includes a substrate and a plurality of memory cells which are stacked in the direction perpendicular to the substrate. The programming method applies a first voltage to a selected bit line connected to at least two memory strings in same column including a memory cell of the plurality of memory cell to be programmed, applies a second voltage to an unselected bit line connected to at least two memory strings in same column including a memory cell of the plurality of memory cell to be program-prohibited, applies a third voltage to a selected string selection line connected to at least two memory strings in same row, applies a fourth voltage to an unselected string selection line connected to at least two memory strings in same row, and applies a program operation voltage to a plurality of word lines, each word line connected to each corresponding memory cell in the memory string, wherein the first to third voltages are positive voltages.
摘要:
Provided is an erasing method of a nonvolatile memory device. The erasing method applies a word line erase voltage to a plurality of word lines connected to the memory cells respectively, applies a specific voltage to a ground selection line connected to the ground selection transistor, applies an erase voltage to a substrate in which the memory string formed during the step applying the specific voltage to the ground selection line, and floats the ground selection line in response to a voltage change of the substrate.
摘要:
Nonvolatile memory device, operating methods thereof, and memory systems including the same. In the operating method, a ground select line of a first string connected to a bit line may be floated. An erase prohibition voltage may be applied to a ground select line of a second string connected to the bit line. An erase operation voltage may be applied to the first and second strings.
摘要:
A memory system includes a nonvolatile memory device and a memory controller configured to control the nonvolatile memory device and configured to provide the nonvolatile memory device with error flag information including error location information of an error of data read from the nonvolatile memory device.
摘要:
Provided is a method of operating a nonvolatile memory device that includes a substrate and memory blocks having a plurality of memory cells stacked along a direction perpendicular to the substrate. The method includes: reading data from a selected sub block among sub blocks of a selected memory block and selectively refreshing each sub block of the selected memory block in response to the reading of the selected sub block, wherein each sub block of the selected memory block is separately erased.
摘要:
According to example embodiments, a method of operating a storage device includes reading a process capability index using a memory controller, adjusting at least one operation condition based on the process capability index, and operating one of at least one nonvolatile memory device according to the at least one operation condition adjusted. The process capability index indicates how a structure associated with a memory cell to be operated deviates from a target shape.
摘要:
According to example embodiments, a control method of a nonvolatile memory device, which includes a plurality of memory blocks on a substrate, each memory block including a plurality of sub blocks stacked in a direction perpendicular to the substrate and being configured to be erased independently and each sub block including a plurality of memory cells stacked in the direction perpendicular to the substrate. The control method includes comparing a count value of a first memory block with a reference value, the count value determined according to the number of program, read, or erase operations executed at the first memory block after data is programmed in the first memory block; and if the count value is greater than or equal to the reference value, performing a reprogram operation in which data programmed in first the memory block is read and the read data is programmed in a second memory block.
摘要:
A nonvolatile memory device performs a program operation comprising applying a program pulse to selected memory cells, detecting a number of fail bits among the selected memory cells, the fail bits comprising failed program bits and disturbed inhibit bits, and determining a program completion status of the program operation based on the number of detected fail bits.
摘要:
Nonvolatile memory device, operating methods thereof, and memory systems including the same. In the operating method, a ground select line of a first string connected to a bit line may be floated. An erase prohibition voltage may be applied to a ground select line of a second string connected to the bit line. An erase operation voltage may be applied to the first and second strings.
摘要:
Nonvolatile memory device, operating methods thereof, and memory systems including the same. In the operating method, a ground select line of a first string connected to a bit line may be floated. An erase prohibition voltage may be applied to a ground select line of a second string connected to the bit line. An erase operation voltage may be applied to the first and second strings.