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ferroelectric capacitor |
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ferroelectric capacitorA capacitor made of crystals that can retain a polarized state, making it useful for storing binary data (0 and 1). It differs from a regular capacitor, which will polarize when electricity is applied, but does not retain the state when the voltage is reduced to zero. See capacitor, F-RAM and ferroelectric. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In the vertical capacitor FeRAM cell presented by the researchers, the unit cell contains one transistor and one ferroelectric capacitor, which are connected in parallel. For this agreement, Nassda augmented HSIM with direct support for ferroelectric capacitor elements -- the ferroelectric crystals that lie at the core of Ramtron's next-generation FRAM memory technology. Equivalent SRAM-based real-time clocks require a battery to back-up stored data, reducing the long-term life of the product, whereas FRAM-based products use integrated ferroelectric capacitor storage cells to store nonvolatile data without a battery. |
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