| 摘要 |
A portable memory medium comprises a common connection terminal and a plurality of independent connection terminals to be electrically connected to an external apparatus, and a constant voltage semiconductor chip connected to the common connection terminal and the independent connection terminals. The constant voltage semiconductor chip includes a common constant voltage element having a first terminal connected to the common connection terminal and a second terminal which is different from the first terminal, and a plurality of independent constant voltage elements having first terminals connected to the independent connection terminals, respectively, and second terminals commonly connected to the second terminal of the common constant voltage element. |
