Can the Long-Term Stability specification of the MAX6071 be reset by a power cycle?
No, there is no guarantee that the MAX6071's long-term stability of +/-35ppm will reset by a power cycle. This specification was generated after 1000 hours, which means measuring the specification after reset might give a different value. For short term stability (ie, turning the reference off and on), the best specification to look at is the Output Voltage Accuracy of +/-0.04%, worst case.