US Patent 10915473 Data storage device

A data storage device may include: first and second memory devices suitable for sharing an input clock signal line and at least one I/O signal line; and a controller suitable for enabling the first and second memory devices at the same time, and controlling the first and second memory devices by transmitting an input clock signal to the input clock signal line and transmitting an input signal synchronized with the input clock signal to the I/O signal line.