Impedance calibration circuit, memory controller including the impedance calibration circuit and memory system including the memory controller

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12237044
APP PUB NO 20240144981A1
SERIAL NO

18186708

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Abstract

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A first impedance calibration part configured to perform a first impedance calibration operation of generating a first impedance calibration code set for adjusting an impedance of a first terminating resistor to a first target value, with reference to an external resistor having a first resistance value. A second impedance calibration part configured to perform a second impedance calibration operation of generating a second impedance calibration code set for adjusting an impedance of a second terminating resistor to a second target value, with reference to a reference resistance unit, a resistance value of which is set to a second resistance value according to a part of the first impedance calibration code set.

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Patent Owner(s)

  • SK HYNIX INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, In Soo Icheon-si, KR 12 58

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