Importance

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Abstract

An analog memory cell that may be incorporated into a low power oscillator is provided. The analog memory cell stores an analog voltage as a digital signal and converts the digital signal back to an analog voltage to allow continued generation of an accurate constant output voltage regardless of temperature-dependent leakage currents associated with parasitic diodes and non-ideal devices. The accurate constant output voltage provided by the analog memory cell may be used by the low power oscillator to generate an accurate low frequency output signal. This accurate low frequency output signal may be used to maintain long-term timing accuracy in host devices during sleep modes of operation. Incorporation of the analog memory cell in the low power oscillator is fully implementable in a CMOS process.

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First Claim