Patent ID: 11967950
Assignee: SK HYNIX INC.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. The semiconductor apparatus according to claim 11, wherein second semiconductor chip comprises:
a calibration circuit coupled to the resistance pad of the second semiconductor chip, and configured to generate the second chip start output signal based on the calibration command signal, perform a calibration operation of the second semiconductor chip based on the second chip end input signal and generate the second chip end output signal when the calibration operation of the second semiconductor chip is completed; and
a second chip swapping circuit configured to, based on the second chip master information and the swapping information, output the second chip start output signal through the first pad of the second semiconductor chip, output the second chip end output signal through the second pad of the second semiconductor chip, and provide a signal, received through the second pad of the second semiconductor chip, as the second chip end input signal.