Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLp
Data input/output sensing circuit of semiconductor memory device
 A data input/output sensing circuit of a semiconductor memory device including a plurality of memory cells, the circuit comprises: input/output lines of the memory cell; data input/output terminals connected to outside of the memory cells; a single data input/output line connected between the input/output lines and the data input/output terminals; a sensing unit for sensing whether or not effective data is provided in the data input/output lines to thereby generate a sensing signal; an output driving unit for transmitting data of the data input/output lines to the data input/output terminals in response to the sensing signal; and a writing driving unit for inputting data of the data input/output terminals in response to the sensing signal. 
Samsung Electronics Co., Ltd.
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inventional inventional inventional
Ho-Cheol Seung-Hun
Lee Lee