Muir Patent Law, PLLC
Semiconductor memory device and memory system including the same
A semiconductor memory device includes a memory cell array and a control logic. The memory cell array includes first and second sub arrays, the first sub array includes a first set of bank arrays, and the second sub array includes a second set of bank arrays. Each of the upper and lower bank arrays includes first and second portions having different timing parameters with respect to each other. The control logic controls access to the first and second portions such that read/write operation is performed on the first and second portions.
SAMSUNG ELECTRONICS CO., LTD.
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Su-A Hak-Soo Hyo-Jin Chul-Woo Jae-Youn
Kim Yu Choi Park Youn