Please let us know about following questions.
1.Does ISOW7821 GND1 pins are connected each other in IC ?
GND1 (pin2-pin8)
2.Does ISOW7821 GND2 pins are connected each other in IC ?
GND2(pin9-pin15)
3.Does customer need to connect GND1 pins(pin2 and pin8) each other at external IC ?
4.Does customer need to connect GND2 pins(pin9 and pin15) each other at external IC ?
regards,
Kura