According to one implementation of the present disclosure, an integrated circuit includes first and second word-line decoder circuitry; one or more core arrays, respective input/output (I/O) circuitry for each of the one or more core arrays, and control circuitry coupled to the first and second word-line decoder circuitries, the one or more core arrays, and the respective I/O circuitries. Also, one or more control signals, activated from one or more control signals generated in the control circuitry, may be configured to select corresponding one or more core arrays of the one or more core arrays.