Abstract: A semiconductor memory device includes a plurality of address pins for receiving a plurality of address signals from a chipset, and an address strobe pin for receiving an address strobe signal from the chipset.

Abstract: A semiconductor memory device includes: an internal command signal generator for receiving an external command signal and a command strobe signal from a chipset to generate an internal command signal by decoding the external command signal in response to the command strobe signal; and a plurality of operation circuits for performing an internal operation of the semiconductor memory device based on the internal command signal.