Samsung Electronics Co., Ltd.

Skhynix Inc.

Dong Jae Shin

Kyoung Ho Ha

Ho-Chul Ji

Kwang Hyun Lee

Seong Gu Kim

Jung Hyung Pyo

In Sung Joe

Yong Hwack Shin

Chang Gyun Shin

Dong Sik Shim

Jung Ho Cha

Yong Joon Jeon

Young Jin Park

Sung Eun Kim

Yo Han Lee

Seung Gu Ji

Dong Yeob Chun

Seung Jin Park

Doo Suk Kang

Chang Bae Lee

Yoon Dong Park

Hyunil Byun

Joung Young Lee

Eun Jung Hyun

Yoon Sun Park

Soo Nyun Kim

Jong Ju Park

Kyoung Won Na

Sung Dong Suh

Dae Seok Shin

Dong Hwan Kim

Chang Bum Lee

Duk Rae Lee

Sang Hun Choi

A storage device may determine a target memory block from among a plurality of memory blocks, determine a target memory unit from among the plurality of memory units included in the target memory block, and program target dummy data into the target memory unit when it is determined that the target dummy data is not programmed into the target memory unit and when the program operation for the target memory unit is not yet completed.

Storage device programming target dummy data in target memory unit and operating method of the storage device

An optical beam steering device may include a tunable laser diode configured to emit laser beams and an antenna that includes a grating structure and is configured to convert the laser beams to a linear light source based on the grating structure. The tunable laser diode may emit a first laser beam having a first wavelength, and emit a second laser beam having a second wavelength, the second wavelength different from the first wavelength. The antenna may receive the first laser beam and, in response, output a first linear light source having a first emission angle with a surface of the antenna. The antenna may further receive the second laser beam and, in response, output a second linear light source having a second emission angle with the surface of the antenna, the second emission angle different from the first angle.

Optical beam steering devices and sensor systems including the same

Provided herein may be a storage device configured to check a status of a memory device based on data read without output of a status check command, and determine a subsequent command to be generated. The storage device may include a memory device and a memory controller configured to control the memory device. The memory device may include a read data generator configured to generate new read data including both read data corresponding to a read command received from the memory controller and information indicating a status of the memory device. The memory controller may include: a status information determiner configured to determine the status of the memory device based on the new read data received from the read data generator and generate status information and a command generator configured to generate a command to be output to the memory device based on the status information.

Storage device and method of operating the same

A data storage device includes a nonvolatile memory device; and a controller suitable for controlling the nonvolatile memory device through a command, the controller comprising a memory controller including a queue which includes multiple slots, each of the multiple slots being mapped to one type among a plurality of types of the command, and suitable for processing a descriptor for the command enqueued to the queue to generate the command; and a processor suitable for requesting one slot of the multiple slots mapped to one type among the plurality of types of the command, to the memory controller, and enqueuing, when allocated with the one slot, the descriptor for the command, to the one slot.

Data storage device

An electronic device includes a display, a communication interface, a processor electrically connected with the display and the communication interface, and a memory electrically connected with the processor. The memory stores instructions that cause the processor to execute a message transmission application configured to transmit or receive data through a first communication mode, select at least one message thread from a list of messages transmitted and received in the message transmission application, and establish a channel according to a second communication mode with an external electronic device based on identification information of the external electronic device associated with the selected message thread.

Data transmission method and electronic device for supporting the same

A data storage device includes a nonvolatile memory device; a control unit configured to generate a descriptor in which works for controlling the nonvolatile memory device are written; a memory control unit configured to provide control signals and write data to the nonvolatile memory device based on the descriptor; and a voltage detector configured to provide a voltage drop signal to the memory control unit in the case where a first operating voltage provided to the memory control unit or a second operating voltage provided to the nonvolatile memory device, drops.

Data storage device based on a descriptor and operating method thereof

Disclosed is a storage device, including: a memory controller configured to generate mode maintenance information or mode change information in response to a command received from a host; and a memory device configured to perform a selected operation in a previous mode when the mode maintenance information is received, and change a mode and perform the selected operation when the mode change information is received.

Storage device including memory controller and memory system including the same

A memory system in accordance with an embodiment of the inventive concept includes a memory controller comprising a controller optical transmission unit photoelectrically-converting a data signal to output a first optical modulation signal and a second optical modulation signal, a first memory device which is optically connected with the memory controller to receive the first optical modulation signal, and a second memory device which is optically connected with the memory controller to receive the second optical modulation signal. The first optical modulation signal and the second optical modulation signal are complementary to each other.

Memory controller, memory system including the same, and electronic device including the memory system

An operating method of a data storage device includes determining whether the data storage device is in a main boot mode or a sub boot mode, based on data stored in a boot mode register; executing a main boot code stored in a ROM, when the data storage device is determined to be in the main boot mode; and executing a sub boot code loaded on a working memory, when the data storage device is determined to be in the sub boot mode, and then, executing the main boot code.

Operating method of data storage device

A semiconductor device may include a first processor transferring a plurality of command data sets, a mailbox receiving and storing the plurality of command data sets, and a second processor receiving command data sets of the mailbox, wherein the first processor may transfer at least one abort slot number to the mailbox, and wherein the mailbox may search and abort a command data set having a slot number which is identical to an abort slot number among the plurality of command data sets.

Semiconductor device including a plurality of processors and a method of operating the same

A data processing system includes a host device including a first volatile memory device, and a data storage device including a second volatile memory device and a nonvolatile memory device, and suitable for storing data to be accessed by the host device. The data storage device uploads data stored in the second volatile memory device to the first volatile memory device before the data storage device in a normal mode enters a power-save mode.

Data storage device and data processing system including the same

A data storage device includes a nonvolatile memory device; and a controller suitable for controlling an operation of the nonvolatile memory device based on a request from a host device, wherein the controller includes a first core activated in a normal mode and a second core activated in a standby mode.

A wafer test system includes an input device configured to transmit a test signal, a wafer including an optical port, an input port configured to receive the test signal, and an output port configured to output a result signal based on the test signal, a measuring device configured to measure the result signal, and an alignment device configured to align an optical fiber port of an optical probe with an alignment port based on the result signal and then align the optical fiber port with the optical port. The alignment port is the input port or the output port. The optical probe is configured to be the input device when the input port is the alignment port and the optical probe is configured to be the measuring device when the output port is the alignment port.

Test system and method for wafer including optical component

An optical modulator includes a light input/output unit receiving an incident optical signal which has not been modulated, splitting the incident optical signal into a first optical signal and a second optical signal, and transmitting the first and second optical signals to a first path and a second path, respectively, of an optical waveguide. A phase shifter is positioned in at least one of the first and second paths and modulates a phase of at least one of the first and second optical signals, which have been received through the first and second paths, respectively, in response to an electrical signal. A phase-modulated signal is output. A reflective grating coupler reflects signals respectively received through the first and second paths back along the first and second paths respectively.

Growing community of inventors

Gyeonggi-do, South Korea

Dong Jae Shin