A buffer component for a memory module having a plurality of memory components includes item of access information in accordance with a data transmission protocol, the address, clock, control and command signals depending on the access information, a second data interface for driving a clock signal and address and command signals to the plurality of memory components and for driving a control signal to a group of the plurality of memory components in accordance with a signaling protocol, wherein an activation of the memory components and an acceptance of the address and command signals are effected in a manner dependent on the control signals, and a control unit which applies the address and command signals to the plurality of memory components during a first clock period of the clock signal and applies the control signal for activating the group of the plurality of memory components to the group of the plurality of memory components to be activated when address and command signals are present, in a succeeding second clock period of the clock signal, whereby the address and command signals present are accepted into the group of the plurality of memory components.