Celis Semiconductor has designed a radiation-hardened 1.5 megabit nonvolatile ferroelectric memory that operates at 3 volts. This memory provides for good retention, virtually unlimited endurance, fast write times, and can operate over a -55/spl deg/C to 125/spl deg/C temperature range. This 1.5 megabit memory incorporates twelve 128-kilobit (16K X 8) Strontium Bismuth Tantalate (SBT) ferroelectric memory chips in a one-inch square by approximately .25-inch high multi-chip module. The 128-kilobit ferroelectric chips use a robust two-transistor, two-capacitor memory cell architecture and have a unique addressing scheme to reduce active power requirements and enhance radiation tolerance. The chips are fabricated using radiation-hardened 0.5 micron CMOS underlying circuitry with SBT ferroelectric upper layer processing. This ferroelectric memory provides ideal characteristics necessary for long range deep space missions.


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    Title :

    Ferroelectric memory technology for aerospace applications


    Contributors:


    Publication date :

    2000-01-01


    Size :

    599364 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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