SEMICONDUCTOR DEVICE
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
May 8, 2023
filing date -
Jun 8, 2022
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Abstract
A semiconductor device capable of increasing readout margin in a nonvolatile resistive random access memory is provided. A clamping circuit applies fixed potential to each of a memory element and a reference resistive element. A pre-charge circuit pre-charges first and second nodes to power-source potential. A sense amplifier amplifies the potential difference between the potential of the first node and the potential of the second node generated after a discharge period based on cell current and reference current after pre-charging made by the pre-charge circuit. A third node is coupled to the first and second nodes through a capacitor. An electric-charge supply circuit is connected to the third node, and supplies electric charge to the third node in the discharge period.
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