| 摘要 |
Semiconductor modules are provided. The semiconductor module includes semiconductor chips with one or more ranks. The semiconductor module includes a mode register configured for storing a first information signal whose logic level is set or determined according to a number of the ranks and an on-die termination (ODT) controller configured for generating an internal control signal for activating an ODT circuit in response to the first information signal. The internal control signal is enabled during a read operation or disabled during a write operation.
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