SEMICONDUCTOR MEMORY DEVICE, SEMICONDUCTOR MEMORY SYSTEM AND OPERATION METHOD THEREOF

摘要

Disclosed herein is a semiconductor memory device which performs a refresh operation. The semiconductor memory device may include an information detection unit suitable for detecting a refresh characteristic of a memory cell, a control signal generation unit suitable for generating a refresh control signal having a refresh cycle corresponding to the refresh characteristic, and a refresh driving unit suitable for driving a refresh operation on the memory cell with the refresh cycle in response to the refresh control signal.

主权项

1. A semiconductor memory device comprising:
an information detection unit suitable for detecting a refresh characteristic of a memory cell; a control signal generation unit suitable for generating a refresh control signal having a refresh cycle corresponding to the refresh characteristic; and a refresh driving unit suitable for driving a refresh operation on the memory cell with the refresh cycle in response to the refresh control signal.