Patent ID: 11915781
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 19:
20. The apparatus of claim 19, wherein based on the first drive strength being stronger than the second drive strength, the ZQ calibration control circuit is configured to determine the first driver circuit as the selected driver circuit based on a strength selection signal having a first logic level, and to determine the second driver circuit as the selected driver circuit based on the strength selection signal having a second logic level, and
wherein based on the second drive strength being stronger than the first drive strength, the ZQ calibration control circuit is configured to determine the second driver circuit as the selected driver circuit based on a strength selection signal having the first logic level, and to determine the first driver circuit as the selected driver circuit based on the strength selection signal having the second logic level.