US Patent Issued to SK hynix on April 29 for "Impedance calibration circuit and semiconductor apparatus including the impedance calibration circuit" (South Korean Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,102, issued on April 29, was assigned to SK hynix Inc. (Icheon, South Korea).

"Impedance calibration circuit and semiconductor apparatus including the impedance calibration circuit" was invented by Eun Ji Choi (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impedance calibration circuit includes a first leg set having an impedance calibrated to a first target impedance according to an impedance control code during an activation period of a first timing control signal, a second leg set having an impedance calibrated to a second target impedance according to the impedance control code during an activation period of a second ti...