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X9221 Datasheet

Part NameDescriptionManufacturer
X9221 Dual E2POT™ Nonvolatile Digital Potentiometer Xicor
Xicor -> Intersil Xicor
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DESCRIPTION
The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit.
   
FEATURES
• Two E2POTs in One Package
• Two-Wire Serial Interface
• Register Oriented Format
    —Directly Write Wiper Position
    —Read Wiper Position
    —Store as Many as Four Positions per Pot
• Instruction Format
    —Quick Transfer of Register Contents to
    Resistor Array
• Low Power CMOS
• Direct Write Cell
    —Endurance - 100,000 Writes per Register
    —Register Data Retention - 100 years
• 8 Bytes of E2PROM memory
• 3 Resistor Array Values
    —2KΩ to 50KΩ Mask Programmable
• Resolution: 64 Taps each Pot
• 20-Lead Plastic DIP and 20-Lead SOIC Packages
   

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