Skhynix Inc.

Jung Mi Ko

Kwang Ho Baek

Young Don Jung

Jung Hwan Lee

Ji Hwan Kim

Seong Jin Park

Sung Hoon Ahn

Chang Han Son

Provided herein may be a semiconductor memory device including a memory cell, a read and write circuit, a current sensing circuit, and control logic. The memory cell array includes a plurality of memory cells. The read and write circuit includes a plurality of page buffers coupled to the plurality of memory cells through a plurality of bit lines, respectively. The current sensing circuit is coupled to the read and write circuit through a plurality of sensing lines. The control logic is configured to control operations of the current sensing circuit and the read and write circuit. At least two page buffers among the plurality of page buffers are coupled to one of the plurality of sensing lines. The control logic controls the read and write circuit to simultaneously perform a current sensing operation for the at least two page buffers.

Semiconductor memory device and method for operating thereof

The present technology relates to a memory device and method of operating the memory device. The memory device includes a plurality of memory cells, a peripheral circuit, and control logic. The peripheral circuit performs a plurality of program loops each including a program operation and a verify operation on selected memory cells of the plurality of memory cells. The control logic controls the peripheral circuit to increase a potential of selected bit lines.

Memory device and method of operating the memory device

A memory device includes: a memory block, coupled to a plurality of word lines; a peripheral circuit for performing a sensing operation on selected memory cells of the memory block, the select memory cells being coupled to a selected word line of the plurality of word lines; a word line voltage controller for controlling a sensing voltage applied to the selected word line to perform the sensing operation on the selected memory cells and configured to control a pass voltage applied to the selected word line and unselected word lines of the plurality of word lines, coupled to the memory block; and a bit line control signal generator for controlling the peripheral circuit to apply a channel precharge voltage to respective bit lines, coupled to the selected memory cells, while the pass voltage is being applied to the selected word line and the unselected word lines.

Memory device and operating method thereof for applying a channel precharge voltage to bit lines after a sensing operation

Provided herein are a page buffer, a memory device having the page buffer, and a method of operating the memory device. The memory device includes a voltage generator configured to generate operating voltages for operating a plurality of memory cells, a program and verify circuit configured to apply the operating voltages to word lines and bit lines coupled to the memory cells and to perform a program operation and a verify operation, and a program operation controller configured to control the program and verify circuit and the voltage generator so that a bit line precharge operation is performed and so that, when the bit line precharge operation has been completed, a bit line discharge operation is performed.

Page buffer, a memory device having page buffer, and a method of operating the memory device

A semiconductor memory device operates by applying a program pulse to a selected word line, updating a program pulse count value, determining a current sensing mode based upon the program pulse count value, and performing a program verify operation based upon the current sensing mode. The current sensing mode is determined by determining one of an individual state current sensing operation for determining verify pass or fail for one target program state and an all-state current sensing operation for determining verify pass or fail for all target program states.

Growing community of inventors

Icheon-si, South Korea

Jung Mi Ko