Data bus inversion (DBI) on pulse amplitude modulation (PAM) and reducing coupling and power noise on PAM-4 I/O

D Lee, JM O'connor, J Wilson - US Patent 11,159,153, 2021 - Google Patents
US11159153B2 - Data bus inversion (DBI) on pulse amplitude modulation (PAM) and
reducing coupling and power noise on PAM-4 I/O - Google Patents US11159153B2 - Data …

424 encoding schemes to reduce coupling and power noise on PAM-4 data buses

D Lee, JM O'connor, J Wilson - US Patent 10,599,606, 2020 - Google Patents
US10599606B2 - 424 encoding schemes to reduce coupling and power noise on PAM-4 data
buses - Google Patents US10599606B2 - 424 encoding schemes to reduce coupling and power …

Bus-invert coding with restricted hamming distance for multi-byte interfaces

J Wilson, S Sudhakaran - US Patent 10,623,200, 2020 - Google Patents
An encoding process for bus data utilizes data from multiple data line groups on a multi-byte
wide bus where each group has an associated DBI line. The process leverages the …

Relaxed 433 encoding to reduce coupling and power noise on PAM-4 data buses

D Lee, JM O'connor, J Wilson - US Patent 10,657,094, 2020 - Google Patents
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 …

Data transmission circuit with encoding circuit, and semiconductor apparatus and semiconductor system including the data transmission circuit

HK Jung, HJ Song - US Patent 10,572,431, 2020 - Google Patents
(57) ABSTRACT A data transmission circuit includes a data bus inversion encoding circuit
configured to compare previous output data and current output data, invert or non-invert the …

Hardware-efficient PAM-3 encoder and decoder

G Bhatia, S Sudhakaran, K Oh - US Patent 12,135,607, 2024 - Google Patents
Data bits are encoded in one or both of an eleven bit seven pulse amplitude modulated
three-level (PAM-3) symbol (11b7s) format and a three bit two symbol (3b2s) format on a …

Power consumption control based on random bus inversion

D Rajwan, L Zimet, S Lahav - US Patent 11,836,107, 2023 - Google Patents
An electronic device includes circuitry and a plurality of ports. The plurality of ports includes
an input port and an output port, configured to communicate data units with one or more …

Hardware-efficient PAM-3 encoder and decoder

S Sudhakaran - US Patent 12,132,590, 2024 - Google Patents
Data bits are encoded in one or both of an eleven bit seven pulse amplitude modulated
three-level (PAM-3) symbol (11b7s) format and a three bit two symbol (3b2s) format on a …

Methods for data bus inversion

V Ostrovsky, M Ha - US Patent 11,720,516, 2023 - Google Patents
An electronic device includes a bus driver and circuitry. The bus driver is coupled to a
parallel bus including N data lines. The circuitry is configured to receive a data unit for …

Augmented routing of data

F Dinha, J Yonan - US Patent 11,588,726, 2023 - Google Patents
Disclosed herein are systems and methods for creating an ultra-lightweight multi-tenant
network virtualization model by augmenting an OSI layer 4 tuple (protocol, source IP …