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DESCRIPTION

The Xicor X9015 is a 32 tap potentiometer that is volatile. The device consists of a string of 31 resistors that can be programmed to connect the RW/VW wiper output with any of the nodes between the connecting resistors. The connection point of the wiper is determined by information communicated to the device on the 3-wire port. The 3-wire port changes the tap position by a falling edge on the increment pin. Direction the wiper moves is determined by the state of the Up/Down pin. The wiper position at power up is tap #15.

The X9015 can be used in a wide variety of applications that require a digitally controlled variable resistor to set analog values.

FEATURES

? 32 Taps

? Three-wire Up/Down Serial Interface

? VCC = 2.7V & 5V

? Operating ICC = 50?A Max.

? Standby current = 1?A Max.

? RTOTAL = 50K?

? Packages, SOIC-8