Semiconductor memory device and operating method thereof

摘要

There may be provided a semiconductor memory device and an operating method thereof. A semiconductor memory device may include a memory cell array including a plurality of memory strings. The semiconductor memory device may include a peripheral circuit for performing a program operation on the plurality of memory strings, and a control logic for controlling the peripheral circuit to perform the program operation. The control logic may control the peripheral circuit to adjust potential levels of program permission voltages to be applied to the plurality of memory strings according to arrangement positions of the memory strings.

主权项

1. A semiconductor memory device, comprising:
a memory cell array configured to include a plurality of memory strings; a peripheral circuit configured to perform a program operation on the plurality of memory strings; and a control logic configured to control the peripheral circuit to perform the program operation, wherein the control logic controls the peripheral circuit to adjust potential levels of program permission voltages to be applied to bit lines of respective memory strings according to arrangement positions of the memory strings, wherein the program permission voltage applied to a memory string adjacent in a first direction among the plurality of memory strings has a negative potential level.