Device for controlling on-die termination
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An on-die termination control device is provided to reduce unnecessary current consumption, by blocking a clock transferred to an ODT(One-Die Termination) control part, in a disable state of an ODT and a DLL(Delay Locked Loop) by a mode register set command. A mode register set(400) outputs a clock control signal of which the state is changed according to the setting of an on-die termination mode and a delay locked loop mode. A clock control part(300) selectively outputs an internal clock buffered according to the enable state of the clock control signal and a synchronous clock enabled during the delay locked loop mode. An on-die termination control part(600) outputs a control signal to control one-die termination operation according to the internal clock and the synchronous clock.