IP & T Group LLP
Semiconductor memory device and memory system including the same
A semiconductor memory device includes: a command generator suitable for generating an internal active command signal corresponding to an active command signal, wherein, when an active section of the active command signal lasts for a predetermined time or longer, the internal active command signal is additionally activated; an address storage suitable for storing an address signal based on an activation number of the internal active command signal; and a refresh operation driver suitable for performing a refresh operation on a word line corresponding to the stored address signal.
SK Hynix Inc.
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inventional inventional inventional additional
Jung-Hyun
Kim