Output buffer circuit and memory device including the same

HD Choi - US Patent 9,998,121, 2018 - Google Patents
An output buffer circuit may include a pulse generator, a transmitter, and an emphasis
controller. The pulse generator generates a pulse signal for determining an emphasis …

Semiconductor memory device with ability to effectively adjust operation time for on-die termination

KW Kim - US Patent 7,514,955, 2009 - Google Patents
A semiconductor memory device is effectively able to adjust operation time for on-die
termination (ODT). The semiconductor memory device includes a latency control unit, a …

Power supply control circuit and semiconductor apparatus including the same

SH Jin - US Patent 8,400,861, 2013 - Google Patents
(57) ABSTRACT A power supply control circuit includes a poWer supply con trol unit con?
gured to receive a rank mode signal and gener ate a plurality of poWer supply enable …

Signal lines with internal and external termination

KS Oh, W Kim, HM Nguyen, EC Ho - US Patent 7,915,912, 2011 - Google Patents
BACKGROUND Memory controllers communicate signals containing data, addresses or
commands, to one or more memory devices through signal lines. For the command/address …

Semiconductor apparatus

SH Jin, SJ Byeon - US Patent App. 12/650,648, 2011 - Google Patents
In one embodiment of the present invention, a semi conductor apparatus having a plurality
of semiconductor chips is configured in Such a manner that the plurality of semiconductor …

Semiconductor circuit apparatus

SH Shin - US Patent App. 12/833,066, 2011 - Google Patents
(57) ABSTRACT A semiconductor circuit apparatus having a commonly shared control unit
that coordinates reading and writing timed activities in two ranked subcircuits is presented …

High speed communication interface with an adaptive swing driver to reduce power consumption

HSU Ying-Yu, YC Peng, MS Yuan… - US Patent 8,410,818, 2013 - Google Patents
A high-speed bus interface with an adaptive swing driver. A high speed interface includes a
transmitter and a receiver coupled via a bus. The transmitter has an adaptive swing driver …

Output driver for controlling impedance and intensity of pre-emphasis driver using mode register set

I Dal Song, JB Lee - US Patent 7,545,164, 2009 - Google Patents
The present invention relates generally to an electronic circuit and, more particularly, to an
output driver for effi ciently transmitting data to a reception system. 2. Description of the …

Data driver

DU Lee, JY Yang - US Patent 8,199,591, 2012 - Google Patents
SUMMARY A data driver that can reduce driving hindering elements and improve a data
input/output speed is disclosed herein. In one embodiment, a data driver includes a …

Signal lines with internal and external termination

KS Oh, W Kim, HM Nguyen, EC Ho - US Patent 8,130,010, 2012 - Google Patents
Eyal application No. 61/099,646, filed on Sep. Embodiments of a memory controller are
described. This s memory controller communicates signals to a memory device (51) Int. Cl …