US Patent 11837576 Memory card

A memory card includes an upper case, a lower case, and an integrated circuit package between the upper case and the lower case. The integrated circuit package includes a memory stacked chip on a panel substrate, and the memory stacked chip includes a base memory stacked chip and an additional memory stacked chip stacked on the base memory stacked chip. The integrated circuit package includes a frequency boosting interface chip on the panel substrate and electrically connected to the memory stacked chip, and a controller chip on the panel substrate and electrically connected to the memory stacked chip and the frequency boosting interface chip.