Patent ID: 7374104

Claim:
A memory card comprising: a thin-plate-shaped holding member made from insulating material; a memory section for performing data writing and/or reading provided in said holding member; plural first connection pieces provided on a surface of said holding member and electrically connected to said memory section, such that at least one of said plural first connection pieces is a ground terminal for supplying a ground potential to said memory section; a data communication section for performing data transmission and/or reception, separate from data being delivered to and/or from said memory section via said plurality of first connection pieces, is provided in said holding member; and two second connection pieces electrically connected to said data communication section are provided on the surface of said holding member; wherein; said plural first connection pieces are arranged on the surface of said holding member in a row, said two second connection pieces are immediately adjacent to each other, and are arranged in said row together with said plural first connection pieces, and a closest first connection piece adjacent to said second connection pieces in said row is said ground terminal.