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US Patent 11966348 Reducing coupling and power noise on PAM-4 I/O interface

Patent 11966348 was granted and assigned to NVIDIA on April, 2024 by the United States Patent and Trademark Office.

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 US Patent 11966348 Reducing coupling and power noise on PAM-4 I/O interface

Article

Patent abstract

Methods of operating a serial data bus divide series of data bits into sequences of one or more bits and encode the sequences as N-level symbols, which are then transmitted at multiple discrete voltage levels. These methods may be utilized to communicate over serial data lines to improve bandwidth and reduce crosstalk and other sources of noise.

Infobox
Is a
Patent
Patent
0
Patent Applicant
NVIDIA
NVIDIA
0
Current Assignee
NVIDIA
NVIDIA
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
119663480
Patent Inventor Names
Donghyuk Lee0
James Michael O'Connor0
Date of Patent
April 23, 2024
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Patent Application Number
159290940
Date Filed
January 28, 2019
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Patent Citations
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US Patent 7135996 Multispeed communications device
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US Patent 7149955 Encoding and decoding apparatus and method with hamming weight enhancement
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US Patent 7188263 Method and apparatus for controlling power state of a multi-lane serial bus link having a plurality of state transition detectors wherein powering down all the state transition detectors except one
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US Patent 7356632 Data memory controller that supports data bus invert
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US Patent RE40864 Data transmission apparatus and method
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US Patent 7620116 Technique for determining an optimal transition-limiting code for use in a multi-level signaling system
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US Patent 7782682 Semiconductor device with circuitry for efficient information exchange
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US Patent 8189263 Image waveguide with mirror arrays
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US Patent 8359498 Encoding and decoding apparatus and method with hamming weight enhancement
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US Patent 8984380 Method and system for operating a communication circuit configurable to support one or more data rates
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US Patent 9231704 Electrical mitigation of DML nonlinearity for high-speed optical interconnection
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US Patent 9244763 System and method for updating a reading threshold voltage based on symbol transition information
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US Patent 9548858 Skew management for PAM communication systems
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US Patent 9564990 Pulse amplitude modulation (PAM) data communication with forward error correction
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US Patent 10424074 Method and apparatus for obtaining sampled positions of texturing operations
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US Patent 10491435 Unrelaxed 433 encoding to reduce coupling and power noise on PAM-4 data buses
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US Patent 10581645 Dual-rail transceiver with improved signal-to-noise ratio for differential high-speed links
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US Patent 10599606 424 encoding schemes to reduce coupling and power noise on PAM-4 data buses
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US Patent 10657094 Relaxed 433 encoding to reduce coupling and power noise on PAM-4 data buses
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US Patent 10657306 Deep learning testability analysis with graph convolutional networks
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US Patent 10699427 Method and apparatus for obtaining sampled positions of texturing operations
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US Patent 7022736 Enzyme inhibitors
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US Patent 7061408 Concept for a secure data communication between electronic devices
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US Patent 7082489 Data memory controller that supports data bus invert
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Patent Primary Examiner
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Henry Tsai
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CPC Code
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G06F 13/4009
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