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Method and apparatus for improving SRAM cell stability by using boosted word lines
Method and apparatus for improving SRAM cell stability by using boosted word lines
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机译:通过使用升压字线来提高SRAM单元稳定性的方法和装置
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摘要
The present invention relates to methods and apparatus for improving the stability of static random access memory (SRAM) cells by using boosted word lines. Specifically, a boosted word line voltage (Vdd′) is applied to the word line of a selected SRAM cell, while such a boosted word line voltage (Vdd′) is sufficiently higher than the power supply voltage (Vdd) of the SRAM cell so as to improve the cell stability to a desired level. Specifically, a specific boosted word line voltage is predetermined for each SRAM cell based on the specific cell configuration, by using a circuit simulation program, such as the BERKELEY-SPICE simulation program. A boost voltage generator is then used to apply the predetermined boosted word line voltage to the selected SRAM cell.
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