Harness, Dickey & Pierce, P.L.C.
Refresh circuit and refresh method in semiconductor memory device
A refresh method for a semiconductor memory device having more than one bank group is provided. The refresh method may include applying an all-refresh command to one the bank groups, determining if one of the bank groups includes a bank undergoing a refresh operation when the all-refresh command is received, and performing an all-refresh operation based on the determination.
Samsung Electronics Co., Ltd.
G G
G11C G11C
inventional inventional
Yun-Sang Hoe-Ju Jung
Lee Chung Sunwoo