Advanced Micro Devices Corporation

Kavyashree Pilar

James Raymond Magro

Indrani Paul

Kevin M Brandl

Jean J Chittilappilly

Abhishek Kumar Verma

A memory controller includes a command queue and an arbiter operating in a first voltage domain, and a physical layer interface (PHY) operating in a second voltage domain. The memory controller includes isolation cells operable to isolate the PHY from the first voltage domain. A local power state controller, in response to a first power state command, provides configuration and state data for storage in an on-chip RAM memory, causes the memory controller to enter a powered-down state, and maintains the PHY in a low-power state in which the second voltage domain is powered while the memory controller is in the powered-down state.

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Boxborough, MA, United States of America

Kavyashree Pilar