| 摘要 |
A semiconductor memory apparatus includes a first chip including a refresh signal generation unit which is configured to receive an external command and generate a refresh signal; and a second chip including a first delay unit which is configured to receive the refresh signal through a first through-silicon via and delay the received refresh signal, a first selection unit which is configured to output an output signal of the first delay unit to the first chip through a second through-silicon via in response to a first select signal, and a first core region which is configured to receive the output signal of the first delay unit and perform a refresh operation. |
