DESCRIPTION
The X9279 integrates a single digitally controlled potentiometer (XDCP) on a monolithic CMOS integrated circuit.

FEATURES
• 256 Resistor Taps
• 2-Wire Serial Interface for write, read, and
   transfer operations of the potentiometer
• Wiper Resistance, 100Ω typical @ 5V
• 16 Nonvolatile Data Registers for Each
   Potentiometer
• Nonvolatile Storage of Multiple Wiper Positions
• Power On Recall. Loads Saved Wiper Position on
   Power Up.
• Standby Current < 5µA Max
• VCC: 2.7V to 5.5V Operation
• 50KΩ, 100KΩ versions of End to End Resistance
• Endurance: 100,000 Data Changes per Bit per
   Register
• 100 yr. Data Retention
• 14-Lead TSSOP, 16-Lead CSP (Chip Scale
   Package)
• Low Power CMOS