DESCRIPTION
The X9428 integrates a digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.

FEATURES
• Solid state potentiometer
• 2-wire serial interface
• Register oriented format
   —Direct Read/Write/Transfer Wiper Position
   —Store as many as Four Positions per
      Potentiometer
• Power supplies
   —VCC = 2.7V to 5.5V
   —V+ = 2.7V to 5.5V
   —V– = –2.7V to –5.5V
• Low power CMOS
   —Standby current < 1µA
   —Ideal for Battery Operated Applications
• High reliability
   —Endurance–100,000 Data Changes per Bit per
      Register
   —Register Data Retention–100 years
• 4-bytes of nonvolatile memory
• 10K Ohm resistor array
• Resolution: 64 taps each potentiometer
• SOIC and TSSOP packages