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US 8,428,110 B2Granted
Pipelining and sub-rate operation for memory links
AssigneeInternational Business Machines Corporation
InventorsMarcel A. Kossel, Thomas H. Toifl
Life of this patent
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Abstract
A system includes a memory hub chip including a Tomlinson-Harashima precoding (THP) equalizer portion operative to perform transmitter equalization at the memory hub chip and send data from to a memory chip.
Claims8
A system comprising:
- a memory hub chip including a Tomlinson-Harashima precoding (THP) equalizer portion operative to perform transmitter equalization at the memory hub chip and send data to a memory chip, wherein the THP equalizer portion comprises a modulo speculation portion operative to receive an input from a beginning of an even feedback path, the THP equalizer portion operative to detect a modulo jump in the even path and responsive to detecting a modulo jump in the even path, perform an addition or subtraction of a summand in an odd feedback path.
Dependencies are inferred from the claim text.