In the drawing figures, dimensions may be exaggerated to more clearly illustrate certain features or relationships. It will be understood that when an element is referred to as being “between” two elements, it can be the only element between the two elements, or one or more intervening elements may also be present. Like reference numerals refer to like elements throughout. Also, throughout the specification, reference to “an embodiment” or the like is not necessarily to only one embodiment, and different references to “an embodiment” are not necessarily to the same embodiment(s).
FIG. 1 is a diagram illustrating a data buffer according to an embodiment of the present disclosure.
FIG. 2 is a diagram illustrating data modes in which swing levels of data are different from each other, according to an embodiment of the present disclosure.
FIG. 3 is a circuit diagram illustrating a data transmission circuit according to an embodiment of the present disclosure.
FIG. 4 is a diagram illustrating a driving method of a data transmission circuit in a first mode according to an embodiment of the present disclosure.
FIG. 5 is a diagram illustrating a driving method of a data transmission circuit in a second mode according to an embodiment of the present disclosure.
FIG. 6 is a diagram illustrating a memory system including a data buffer according to an embodiment of the present disclosure.
FIG. 7 is a diagram illustrating pads of a memory device according to an embodiment of the present disclosure.
