1 |
DQ |
Data In/Out
|
2 |
VDD |
External Parasite Power Capacitor and VDD Input. Connect a 3.3nF capacitor between this pin and GND for parasite power operation. Connect power supply voltage to this pin when powering from an external VDD source. |
3 |
GND |
Ground
|
5 |
ADD1 |
Address Selection Input. Connect to GND or VDD (DQ in parasite mode) to select the location address. |
4 |
ADD0 |
Address Selection Input. Connect a resistor to GND to select the location address. |
6 |
ALARM |
Alarm output. Open-drain. Note that the ALARM output generates alarm signals only in external power mode. |