Skhynix Inc.

Sun-Jong Yoo

Byung-Deuk Jeon

A semiconductor device includes a plurality of first pads, a plurality of data input and output units suitable for transmitting a data between a plurality of global lines and the plurality of first pads, respectively, a connection control unit suitable for coupling the plurality of first pads to each other in a test operation period, and a test operation unit suitable for controlling the plurality of data input and output units to transmit a test data in a set order through the plurality of first pads coupled to each other in the test operation period.

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Gyeonggi-do, South Korea

Sun-Jong Yoo