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X9221

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 Powe...

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SeekIC No. : 004547478 Detail

X9221: 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 ...

X9221 Data Sheet

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Part Number:
X9221
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/27

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Product Details

Description



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
   -2K to 50K Mask Programmable
• Resolution: 64 Taps each Pot
• 20-Lead Plastic DIP and 20-Lead SOIC Packages


Pinout

Connection Diagram


Specifications

Temperature under Bias .................. 65°C to +135°C
Storage Temperature ....................... 65°C to +150°C
Voltage on SCK, SCL or any Address Input
   with Respect to VSS ................................... 1V to +7V
Voltage on any VH or VL Referenced to VSS.............. ±8V
V = |VHVL| ........................................................... 16V
Lead Temperature (Soldering, 10 seconds)......... 300°C


Description

The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit.

The X9221 contains two resistor arrays, each composed of 63 resistive elements. Between each element and at either end are tap points accessible to the wiper elements. The position of the wiper element on the array is controlled by the user through the two-wire serial bus interface.

Each X9221 resistor array has associated with it a wiper counter register and four 8-bit data registers that can be directly written and read by the user. The contents of the wiper counter register control the position of the wiper on the resistor array.

The X9221 data register may be read or written by the user. The contents of the data registers can be transferred to the wiper counter register to position the wiper. The current wiper position can be transferred to any one of its associated data registers.




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