US Patent Issued to Sandisk Technologies on Oct. 21 for "Dual reference ZQ calibration circuits and methods" (Indian Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,170, issued on Oct. 21, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Dual reference ZQ calibration circuits and methods" was invented by Shiv Harit Mathur (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is provided that includes a first pull-up driver circuit coupled to a first calibration node, an internal resistor circuit and first input/output pad on an integrated circuit die, a second pull-up driver circuit coupled to a second calibration node and second input/output pad on the integrated circuit die, a third pull-up driver circuit coupled to a third calibration node, a comparator including a first...