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

Claim 10:
11. The semiconductor apparatus according to claim 10, wherein the first semiconductor chip comprises:
a calibration circuit coupled to the resistance pad of the first semiconductor chip, and configured to perform a calibration operation of the first semiconductor chip based on at least one of a calibration command signal and the first chip start input signal, generate, when the calibration operation of the first semiconductor chip is completed, the first chip end output signal and end a calibration operation of the semiconductor apparatus based on the first chip end input signal; and
a first chip swapping circuit configured to, based on the first chip master information and the swapping information, output the first chip end output signal through the first pad of the first semiconductor chip, provide a signal, received through the first pad of the first semiconductor chip, as the first chip end input signal, and provide a signal, received through the second pad of the first semiconductor chip, as the first chip start input signal.