Patent classifications
G11C16/3454
PAGE BUFFER AND OPERATING METHOD THEREOF
An electronic device is provided. A page buffer includes at least one data latch, a sensing latch, and a bit line voltage controller. At least one data latch stores a program verification result of a previous program loop among a plurality of program loops and program data to be stored in a memory cell. The sensing latch stores a program verification result of a current program loop among the plurality of program loops. The bit line voltage controller updates the program verification result of the previous program loop which is stored in the at least one data latch to the sensing latch during a program operation of a next program loop of the current program loop among the plurality of program loops.
MEMORY SYSTEM, MEMORY DEVICE, AND METHOD FOR OPERATING MEMORY DEVICE
Embodiments of the disclosed technology relate to a memory system, a memory device, and a method for operating the memory device. Based on embodiments of the disclosed technology, when programming data in a first memory cell in a first memory block in a turbo program mode, the memory device may apply a first number of program pulses to the first memory cell, the first number of program pulses being smaller than the number of program pulses applied to the first memory cell when data is written to the first memory cell when the turbo program mode is reset. When migrating the data written to the first memory cell to a second memory cell in a second memory block, the memory device may apply a second number of program pulses to the second memory cell, the second number of program pulses being larger than the first number of program pulses.
MEMORY DEVICE WITH CONDITIONAL SKIP OF VERIFY OPERATION DURING WRITE AND OPERATING METHOD THEREOF
A memory device includes a memory cell array including a plurality of memory cells; a voltage generator configured to generate voltages used for a program operation and a verify operation for the memory cells; and control logic configured to perform a plurality of program loops while writing data to the memory cell array, such that first to N-th (e.g., N>=1) program loops including a program operation and a verify operation are performed and at least two program loops in which the verify operation is skipped are performed when a pass/fail determination of the program operation in the N-th program loop indicates a pass.
MEMORY DEVICE AND METHOD OF OPERATING THE SAME
The present technology relates to an electronic device. According to the present technology, a method of operating a memory device including a program operation speed in which an effect of a disturbance is reduced, and including a plurality of memory blocks each including a plurality of memory cell strings each including a plurality of memory cells connected in series between a bit line and a source line, a plurality of source select transistors connected in series between the source line and the plurality of memory cells, and a plurality of drain select transistors connected in series between the bit line and the plurality of memory cells, includes applying a precharge voltage to the source line, and applying the precharge voltage to a first source select line connected to a source select transistor adjacent to the source line among source select transistors included in an unselected memory block among the plurality of memory blocks.
Non-volatile memory device and program method of a non-volatile memory device
A method of programming a non-volatile memory includes executing at least two program loops on memory cells in a selected word line, generating a fail bit trend based on a result of executing each of the at least two program loops, predicting a plurality of program loops comprising an N program loop to be executed last on the memory cells, based on the generated fail bit trend, and changing, based on a result of predicting the plurality of program loops, a level of an N program voltage provided to the memory cells when the N program loop is executed.
Memory device and memory system
A memory device includes a memory cell array including a plurality of memory cells on which a programming loop is executed a plurality of times; a voltage generator configured to apply a verifying voltage to the memory cells, for verifying at least one programming state of the memory cells; and a voltage controller configured to control the voltage generator to change a level of the verifying voltage as a program loop count increases, based on temperature information about a temperature inside or outside the memory device.
One-time programmable memory and method for verification and access
A method for writing into a one-time programmable memory of an integrated circuit includes attempting, by a memory control circuit of the integrated circuit, to write data in at least one first register of the one-time programmable memory; verifying, by the memory control circuit, whether the data has been correctly written in the at least one first register; and, in case the data has not been correctly written in the at least one first register, attempting, by the memory control circuit, to write the data in at least one second register of the one-time programmable memory.
Memory system, memory device, and method for operating memory device
When programming data in a first memory cell in a first memory block in a turbo program mode, the memory device may apply a first number of program pulses to the first memory cell, the first number of program pulses being smaller than the number of program pulses applied to the first memory cell when data is written to the first memory cell when the turbo program mode is reset. When migrating the data written to the first memory cell to a second memory cell in a second memory block, the memory device may apply a second number of program pulses to the second memory cell, the second number of program pulses being larger than the first number of program pulses.
Managing programming convergence associated with memory cells of a memory sub-system
A first programming pulse is caused to be applied to a wordline associated with a memory cell of the memory sub-system. In response to first programming pulse, causing a program verify operation to be performed to determine a measured threshold voltage associated with the memory cell. The measured threshold voltage associated with the memory cell is stored in a sensing node. A determination is made that the measured threshold voltage of the memory cell satisfies a condition and the measured threshold voltage stored in the sensing node is identified. A bitline voltage matching the measured threshold voltage is caused to be applied to a bitline associated with the memory cell.
MEMORY PROGRAMMING WITH SELECTIVELY SKIPPED BITSCANS AND FEWER VERIFY PULSES FOR PERFORMANCE IMPROVEMENT
An apparatus that includes a word line with a plurality of memory cells that are able to be programmed to a plurality of data states is provided. The apparatus further includes a programming circuit. The programming circuit is configured to program the memory cells and count the number of verify pulses at a first verify voltage level that are performed during programming of the memory cells to a first programmed data state to determine a verify count. During programming to a second data state, the programming circuit applies a plurality of programming pulses at increasing voltage levels and a plurality of verify pulses at a second verify voltage level to the selected word line. During programming of the memory cells to the second programmed data state, the number of verify pulses is one fewer than the number of programming pulses and bitscan operations are skipped.