Semiconductor system for performing read-modify-write operation

A semiconductor system comprising:

• a controller configured to output a clock, a chip selection signal, and a command address and configured to output data;
• and
• a semiconductor device configured to perform an auto-refresh operation when the chip selection signal and the command address that are input in synchronization with the clock have a combination for performing the auto-refresh operation, configured to correct an error of internal data that are stored within the semiconductor device by performing a read-modify-write operation instead of the auto-refresh operation when the auto-refresh operation is performed a first set number of times and to store the corrected internal data, configured to perform a self-refresh operation when the chip selection signal and the command address that are input in synchronization with the clock have a combination for performing the self-refresh operation, and configured to correct an error of the internal data that are stored within the semiconductor device by performing a read-modify-write operation instead of the self-refresh operation when the self-refresh operation is performed a second set number of times and to store the corrected internal data,
• wherein the semiconductor device is configured to perform an operation of activating word lines adjacent to a word line corresponding to a target address by performing a smart refresh operation of the auto-refresh operation.