On-die termination control without a dedicated pin in a multi-rank system
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
Nov 22, 2016
filing date -
Jul 23, 2014
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Abstract
A memory subsystem includes a multi-device package including multiple memory devices organized as multiple ranks of memory. A control unit for the memory subsystem sends a memory access command concurrently to some or all of the ranks of memory, and triggers some of all of the memory ranks that receive the memory access command to change on-die termination (ODT) settings. One of the ranks is selected to execute the memory access command, and executes the command while all ranks triggered to change the ODT setting have the changed ODT setting.
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