1. VDD Positive Power Supply Typically 5 Volts
2. VSS Negative Power Supply Typically 0 Volts
3. OUT Multiplexed DC Output
4. STROBE Channel Selection Pin
5. IN Audio Input
6. GND Internally Generated Ground Reference.Typically 2.5V
7. RESET Resets Multiplexor
8. CKIN Clock Oscillator Pin