Patent ID: 8768453

Claim:
An implantable stimulator device, comprising: a first integrated circuit, comprising: a plurality of first electrodes configured to provide stimulation to a patient's tissue, a first selector circuit, the first selector circuit receiving at least the first electrodes as first inputs and configured to select a first voltage from the first inputs, and a second selector circuit, the second selector circuit receiving at least the first electrodes as second inputs and configured to select a second voltage from the second inputs; and a second integrated circuit, comprising: a plurality of second electrodes configured to provide stimulation to a patient's tissue, a third selector circuit, the third selector circuit receiving at least the second electrodes and the first and second voltages as third inputs and configured to select a third voltage from the third inputs, and a fourth selector circuit, the fourth selector circuit receiving at least the second electrodes and the first and second voltages as fourth inputs and configured to select a fourth voltage from the fourth inputs.