Samsung Electronics Co., Ltd.

Keun-Soo Jo

Jin-Soo Park

Dong-jun Kim

Kae-Won Ha

Embodiments of the invention include features in the semiconductor memory device that are configured to receive command signals from a memory controller and selectively output at least a portion of the received command signals back to the memory controller for verification. Embodiments of the invention also provide methods for verifying the proper communication of command signals from a memory controller to a semiconductor memory device. Embodiments of the invention also provide systems and methods for testing memory cells in a semiconductor memory device.

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Gwacheon-si, South Korea

Keun-Soo Jo