DS1867

Voltage on Any Pin Relative to Ground (VB=GND) .........-1.0V to +5.5V
Voltage on Resistor Pins when VB=-5.5V ......................-5.5V to +5.5V
Operating Temperature .................................................-40° to +85°C
Storage Temperature ................................................-55°C to +125°C
Soldering Temperature ......................................260°C for 10 seconds

* This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

The DS1867 Dual Digital Potentiometer with EEPROM is the nonvolatile version of the popular DS1267 Dual Digital Potentiometer. The DS1867 consists of two digitally controlled potentiometers having 256- position wiper settings. Wiper position is maintained in the absence of power through the use of EEPROM memory cell arrays. Communication and control of the device are accomplished over a 3-wire serial port which allows reads and writes of the wiper position. Both potentiometers can be stacked for increased total resistance with the same resolution. For multiple-device, single-processor environments, the DS1867 can be cascaded for control over a single 3-wire bus. The DS1867 is offered in three standard resistance values.