Patent application number | Description | Published |
20090184737 | SEMICONDUCTOR DEVICE HAVING INPUT CIRCUIT WITH AUXILIARY CURRENT SINK - A semiconductor device stabilizes an operation of an input buffer. A semiconductor device includes an input potential detection unit outputting a detection signal in response to a level of an input signal. An input buffer buffers the input signal by performing a differential amplifying operation through a first current sink unit. A second current sink unit, sharing an output with the input buffer, differentially amplifies the input signal of the input buffer in response to a level of the detection signal. | 07-23-2009 |
20090184757 | SEMICONDUCTOR DEVICE HAVING INPUT CIRCUIT MINIMIZING INFLUENCE OF VARIATIONS IN INPUT SIGNALS - A semiconductor device stabilizes an operation of an input buffer. A semiconductor device includes an input potential detection unit, an input buffer, and a current sink unit. The input potential detection unit outputs a detection signal in response to a level of an input signal. The input buffer buffers the input signal by differentially amplifying the input signal through a first current sink unit. The current sink unit receives the detection signal, and in response to the detection signal, performs an auxiliary differential amplifying operation with respect to the input signal buffered by the input buffer. | 07-23-2009 |
20090185413 | SEMICONDUCTOR DEVICE HAVING INPUT CIRCUIT WITH OUTPUT PATH CONTROL UNIT - A semiconductor device minimizes generation of an output signal skew of an input buffer and thus stabilizes the operation of the semiconductor device. The semiconductor integrated circuit includes an input potential detection unit outputting a detection signal in response to a level of an input signal, an input buffer buffering the input signal, and an output path control unit that receives the output signal of the input buffer and the detection signal of the input potential detection unit and outputs an output driving signal in response to the level of the detection signal. | 07-23-2009 |
20100289581 | DIFFERENTIAL AMPLIFYING DEVICE - A differential amplifying device includes a first differential amplifying unit that receives an input signal and a reference voltage. The first differential amplifying unit amplifies the input signal to generate an output signal when a sensing signal is at a first level. A second differential amplifying unit is configured to also receive the input signal and the reference voltage. The second differential amplifying unit amplifies the input signal to generate the output signal when the sensing signal is at a second level. The first and second differential amplifying units are configured to take advantage of transistor characteristics. | 11-18-2010 |
20110075491 | SEMICONDUCTOR MEMORY APPARATUS AND METHOD OF DRIVING BIT-LINE SENSE AMPLIFIER - Disclosed is a semiconductor memory apparatus which improves the time to transmit write data to a memory cell and improves data retention time of the memory cell. To this end, the semiconductor memory apparatus includes a bit-line sense amplifier that senses and amplifies data of bit-line pairs by driving power supplied through a pull up power line and a pull down power line and transmits the amplified data to a memory cell. A bit-line sense amplification power supply unit supplies pull up driving voltage and pull down driving voltage to the pull up and pull down power lines in an active mode and supplies an over driving voltage and the pull down driving voltage having a higher voltage level than the pull up driving voltage to the pull up and pull down power lines until the memory cell is deactivated in a precharge mode. | 03-31-2011 |
20120267790 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes a semiconductor chip, a plurality of first through-chip vias formed vertically through the semiconductor chip and configured to operate as an interface for a first power supply, and a first common conductive layer provided over the semiconductor chip and coupling the plurality of first through-chip vias to each other in a horizontal direction. | 10-25-2012 |
20130234326 | SEMICONDUCTOR APPARATUS AND METHOD FOR MANUFACTURING THE SAME - A semiconductor apparatus comprises of a first semiconductor chip having a through silicon via (TSV) and a second semiconductor chip also having a TSV, wherein the respective semiconductor chips are stacked vertically and are connected through a conductive connection member without the assistance of an additional bump between the conductive connection member and the second semiconductor chip. | 09-12-2013 |
20140169112 | SEMICONDUCTOR MEMORY SYSTEM AND OPERATING METHOD THEREOF - A semiconductor memory system configured to exchange signals through channels may include a memory control device configured to have a plurality of channels, a plurality of memory devices configured to be connected to each of the plurality of channels, wherein the plurality of channels share at least one of the plurality of memory devices. | 06-19-2014 |