If you are going to more than ~8v power supply, then you could make a setup like below to supply 5v to the chip and 5.7v to the servo. If you use a 6v power source, a diode in the supply to the chip would reduce the voltage to ~5.3v.
If you are going to more than ~8v power supply, then you could make a setup like below to supply 5v to the chip and 5.7v to the servo. If you use a 6v power source, a diode in the supply to the chip would reduce the voltage to ~5.3v.