Samsung electronics co., ltd. (20250151291). SEMICONDUCTOR MEMORY DEVICE
SEMICONDUCTOR MEMORY DEVICE
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SEMICONDUCTOR MEMORY DEVICE
This abstract first appeared for US patent application 20250151291 titled 'SEMICONDUCTOR MEMORY DEVICE
Original Abstract Submitted
a semiconductor memory device includes a first chip and a second chip. the first chip includes a first cell array mat and a second cell array mat adjacent to the first cell array mat. the second chip has a stacked structure with the first chip and includes a first sub-word line driver configured to generate a first drive signal applied to the first word lines from one side of each of the first and second cell array mats, and a second sub-word line driver configured to generate a second drive signal applied to the second word lines from an opposite side of each of the first and second cell array mats.