Patent Number: 7,715,269

Title: Semiconductor memory device and semiconductor device comprising the same

Abstract: A semiconductor memory device includes a plurality of input/output (I/O) ports, a plurality of memory cell arrays and a region configurator. The region configurator is adapted to hold share region information about at least one share region. In the memory cell arrays, at least one share region accessible through the I/O ports is configured on the basis of the share region information.

Inventors: Kajigaya; Kazuhiko (Tokyo, JP)

Assignee: Elpida Memory, Inc.

International Classification: G11C 8/00 (20060101)

Expiration Date: 5/11/12018