Vector signaling codes for densely-routed wire groups

A Shokrollahi, A Hormati, A Tajalli - US Patent 10,333,741, 2019 - Google Patents
Methods and systems are described for receiving signal elements corresponding to a first
group of symbols of a vector signaling codeword over a first densely-routed wire group of a …

Multi-modal data-driven clock recovery circuit

A Tajalli, A Hormati - US Patent 10,693,473, 2020 - Google Patents
Multi-mode non-return-to-zero (NRZ) and orthogonal differential vector signaling (ODVS)
clock and data recovery circuits having configurable sub-channel multi-input comparator …

Method and apparatus for high speed chip-to-chip communications

A Shokrollahi, R Ulrich - US Patent 10,243,765, 2019 - Google Patents
Described herein are systems and methods of receiving first and second input signals at a
first two-input comparator, responsively generating a first subchannel output, receiving third …

Method and system for deskewing parallel bus channels to increase data transfer rates

E ul Haq, JR Slager - US Patent 7,123,660, 2006 - Google Patents
In one embodiment, a system for deskewing signals on parallel bus channels includes
several parallel channels that carry several data input signals and a pair of complementary …

Orthogonal differential vector signaling

H Cronie, A Shokrollahi - US Patent 11,611,377, 2023 - Google Patents
H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the
transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency …

Multi-modal data-driven clock recovery circuit

A Tajalli, A Hormati - US Patent 11,271,571, 2022 - Google Patents
Multi-mode non-return-to-zero (NRZ) and orthogonal dif ferential vector signaling (ODVS)
clock and data recovery circuits having configurable sub-channel multi-input com parator …

Method and apparatus for low power chip-to-chip communications with constrained ISI ratio

A Shokrollahi, A Hormati, R Ulrich - US Patent 10,348,436, 2019 - Google Patents
An efficient communications apparatus is described for a vector signaling code to transport
data and optionally a clocking signal between integrated circuit devices. Methods of …

Common mode extraction and tracking for data signaling

M Paraschou, E Prete - US Patent 9,673,849, 2017 - Google Patents
Communication systems and electronic devices often include multiple processors or
components that cooperate to perform various tasks, functions, or operations. Within a …

Methods and systems for pin-efficient memory controller interface using vector signaling codes for chip-to-chip communication

J Fox, B Holden, A Shokrollahi, A Singh… - US Patent …, 2019 - Google Patents
Abstract Systems and methods are described for transmitting data over physical channels to
provide a high speed, low latency interface such as between a memory controller and …

High speed communications system

A Hormati, A Tajalli, A Shokrollahi - US Patent 10,608,850, 2020 - Google Patents
Transmission of baseband and carrier-modulated vector codewords, using a plurality of
encoders, each encoder configured to receive information bits and to generate a set of …