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SYSTEM AND METHOD FOR GENERATING A REFERENCE VOLTAGE BASED ON AVERAGING THE VOLTAGES OF TWO COMPLEMENTARY PROGRAMMED DUAL BIT REFERENCE CELLS
SYSTEM AND METHOD FOR GENERATING A REFERENCE VOLTAGE BASED ON AVERAGING THE VOLTAGES OF TWO COMPLEMENTARY PROGRAMMED DUAL BIT REFERENCE CELLS
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机译:基于平均两个互补编程双位参考单元的电压生成参考电压的系统和方法
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摘要
A system and methodology is provided for proper reading of multi-bit memory cells (10) in a memory device. A first reference cell (70) and a second reference cell (72) are employed to determine an average dynamic reference value. The average dynamic reference value is determined by reading a programmed bit of the reference cell (70) and reading an unprogrammed or erased bit of a second reference cell (72) to determine an average dynamic reference value. The average dynamic reference value can be utilized to determine whether data cells are in a programmed state or in an unprogrammed state.
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