High performance phase locked loop

A Tajalli - US Patent 10,057,049, 2018 - Google Patents
Methods and systems are described for receiving N phases of a local clock signal and M
phases of a reference signal, wherein M is an integer greater than or equal to 1 and N is an …

Orthogonal differential vector signaling codes with embedded clock

A Shokrollahi - US Patent 10,055,372, 2018 - Google Patents
Orthogonal differential vector signaling codes are described which support encoded sub-
channels allowing transport of distinct data and clocking signals over the same transport …

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 …

Skew-resistant multi-wire channel

A Shokrollahi, MW Johnston - US Patent 10,153,591, 2018 - Google Patents
Methods and systems described include a first dielectric material having a plurality of
embedded conductors of a multi-wire channel, the plurality of embedded conductors …

Methods and systems for high bandwidth chip-to-chip communications interface

J Fox, B Holden, A Hormati, P Hunt, JD Keay… - US Patent …, 2015 - Google Patents
Systems and methods are described for transmitting data over physical channels to provide
a high bandwidth, low latency interface between integrated circuit chips with low power …

Methods and systems for providing multi-stage distributed decision feedback equalization

A Tajalli - US Patent 10,326,623, 2019 - Google Patents
Pre-charging two or more sets of nodes to set a differential output of a multi-input summation
latch connected to the two or more sets of nodes in a pre-charged state, the two or more sets …

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 …

Methods and systems for high bandwidth communications interface

J Fox, B Holden, A Hormati, P Hunt, JD Keay… - US Patent …, 2017 - Google Patents
Systems and methods are described for transmitting data over physical channels to provide
a high bandwidth, low latency interface between a transmitting device and a receiv ing …

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 …

Clock data recovery with decision feedback equalization

A Hormati, R Simpson - US Patent 10,193,716, 2019 - Google Patents
Methods and systems are described for generating two comparator outputs by comparing a
received signal to a first threshold and a second threshold according to a sampling clock, the …