Patent application number | Description | Published |
20090129147 | MULTIPLE PROGRAMMING OF SPARE MEMORY REGION FOR NONVOLATILE MEMORY - Structures, methods, and systems for multiple programming of spare memory region for nonvolatile memory are disclosed. In one embodiment, a nonvolatile memory system comprises a main memory cell array, a spare memory cell array, and a memory controller that divides the spare memory cell array into at least a first region and a second region. The system further comprises a selection module for selecting the main memory cell array and the first region to write data and the first reference cell to write first reference data associated with the data during an initial data writing operation and for selecting the second region to write additional data and the second reference cell to write second reference data associated with the additional data during an additional data writing operation. | 05-21-2009 |
20090285019 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit ( | 11-19-2009 |
20090290425 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefore, the semiconductor device including a first current-voltage conversion circuit ( | 11-26-2009 |
20100290291 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit ( | 11-18-2010 |
20110032764 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit ( | 02-10-2011 |
20110182116 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit ( | 07-28-2011 |
20120069676 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit connected to a core cell provided in a nonvolatile memory cell array, a second current-voltage conversion circuit connected to a reference cell through a reference cell data line, a sense amplifier sensing an output from the first current-voltage conversion circuit and an output from the second current-voltage conversion circuit, a compare circuit comparing a voltage level at the reference cell data line with a predefined voltage level, and a charging circuit charging the reference cell data line, if the voltage level at the reference cell data line is lower than the predefined voltage level during pre-charging the reference cell data line. According to the present invention, the pre-charging period of the reference cell data line can be shortened, and the data read time can be shortened. | 03-22-2012 |
20130064016 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit connected to a core cell provided in a nonvolatile memory cell array, a second current-voltage conversion circuit connected to a reference cell through a reference cell data line, a sense amplifier sensing an output from the first current-voltage conversion circuit and an output from the second current-voltage conversion circuit, a compare circuit comparing a voltage level at the reference cell data line with a predefined voltage level, and a charging circuit charging the reference cell data line, if the voltage level at the reference cell data line is lower than the predefined voltage level during pre-charging the reference cell data line. According to the present invention, the pre-charging period of the reference cell data line can be shortened, and the data read time can be shortened. | 03-14-2013 |
20130155774 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit connected to a core cell provided in a nonvolatile memory cell array, a second current-voltage conversion circuit connected to a reference cell through a reference cell data line, a sense amplifier sensing an output from the first current-voltage conversion circuit and an output from the second current-voltage conversion circuit, a compare circuit comparing a voltage level at the reference cell data line with a predefined voltage level, and a charging circuit charging the reference cell data line, if the voltage level at the reference cell data line is lower than the predefined voltage level during pre-charging the reference cell data line. According to the present invention, the pre-charging period of the reference cell data line can be shortened, and the data read time can be shortened. | 06-20-2013 |
20130249595 | LEVEL SHIFT CIRCUIT AND SEMICONDUCTOR DEVICE USING LEVEL SHIFT CIRCUIT - A level shift circuit, for outputting a data output signal with a second level via an output inverter after a data input signal with a first level is stored in a latch, includes a level set circuit, when the output data signal outputs with a low level, setting the output data signal to a low level in response to a change of the input data signal. The level set circuit is connected to an output terminal of the output inverter, and has an NMOS transistor having a drain electrode and a source electrode coupled to a ground, wherein the NMOS transistor turns on in response to the input data signal with a high level. | 09-26-2013 |
20140002179 | INTERNAL VOLTAGE TRIMMING CIRCUIT, METHOD THEREOF AND SEMICONDUCTOR CIRCUIT DEVICE COMPRISING THE SAME | 01-02-2014 |
20140208554 | SEMICONDUCTOR DEVICE AND CONTROL METHOD OF THE SAME - The present invention provides a semiconductor memory and a control method therefor, the semiconductor device including a first current-voltage conversion circuit connected to a core cell provided in a nonvolatile memory cell array, a second current-voltage conversion circuit connected to a reference cell through a reference cell data line, a sense amplifier sensing an output from the first current-voltage conversion circuit and an output from the second current-voltage conversion circuit, a compare circuit comparing a voltage level at the reference cell data line with a predefined voltage level, and a charging circuit charging the reference cell data line, if the voltage level at the reference cell data line is lower than the predefined voltage level during pre-charging the reference cell data line. According to the present invention, the pre-charging period of the reference cell data line can be shortened, and the data read time can be shortened. | 07-31-2014 |
Patent application number | Description | Published |
20140136096 | APPROACHING VEHICLE DETECTING SYSTEM AND APPROACHING VEHICLE DETECTING METHOD - An approaching vehicle detecting system that detects an approaching vehicle on the basis of sounds collected by a plurality of sound collectors mounted on a host vehicle determines whether a transverse moving direction of a sound source detected by the plurality of sound collectors is a direction approaching the host vehicle, determines whether a vertical position of the sound source detected using the plurality of sound collectors is in the same plane as that of the host vehicle, and detects that sound source as the approaching vehicle when it is determined that the transverse moving direction of the sound source is the direction approaching the host vehicle and the vertical position of the sound source is in the same plane as that of the host vehicle. | 05-15-2014 |
20140241126 | SOUND SOURCE DETECTION SYSTEM - A sound source detection system for detecting a sound source (e.g., running sound of a vehicle) based on sound collected by microphones extracts characteristic amounts from the sound collected by the microphones, sets a plurality of classes according to the position of the sound source by a multi-class pattern recognition method (e.g., multi-class SVM) using the characteristic amounts, extracts characteristic amounts from sound collected by the microphones for detection of a sound source, determines a class to which the extracted characteristic amounts belong, from the preset plurality of classes, and estimates the sound source based on the class. | 08-28-2014 |
20140241532 | SOUND SOURCE DETECTING SYSTEM AND SOUND SOURCE DETECTING METHOD - A sound source detecting system that detects a predetermined sound source on the basis of sounds collected by sound collectors includes: a noise extracting unit that extracts a noise from signals of the collected sounds; and a noise suppressing unit that suppresses a signal component of the noise extracted by the noise extracting unit from the signals of the collected sounds. The sound source detecting unit detects a location of the predetermined sound source, such as an approaching vehicle, using information about the sounds having the signals of which the noise is suppressed. | 08-28-2014 |