US Patent 7684274 High performance, area efficient direct bitline sensing circuit
Patent 7684274 was granted and assigned to Texas Instruments on March, 2010 by the United States Patent and Trademark Office.
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In a method and apparatus for reading a logic state stored in an 8 transistor memory cell (8TMC), a differential sense circuit includes a differential input circuit having a pair of differential inputs and an output. An output signal is provided at the output and is indicative of a difference between two signals received at the pair of differential inputs. The difference is in accordance with the logic state read from the 8TMC. A sense amplifier is coupled to the output, the sense amplifier being operable to amplify the output signal that is greater than a threshold and switch the output signal to a voltage level corresponding to the logic state. The difference between the two signals measurable over a configurable time period is greater than a corresponding change in any one of the two signals measured over the same period, thereby improving the performance of the 8TMC.
US Patent 07684274 High performance, area efficient direct bitline sensing circuit US Patent 7684274 High performance, area efficient direct bitline sensing circuit
US Patent 07684274 High performance, area efficient direct bitline sensing circuit
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