Datasheet

1-Wire WRITE-ZERO TIME SLOT
1-Wire READ-ZERO TIME SLOT
1-Wire RESET PULSE
1-Wire PRESENCE DETECT
RESET PULSE FROM HOST
PRESENCE DETECT
t
SLOT
t
SLOT
t
RSTL
t
RSTH
START OF NEXT CYCLE
START OF NEXT CYCLE
t
LOW0
t
REC
t
REC
t
PDHIGH
t
PDLOW
t
RDV
MAX31820 1-Wire Ambient Temperature Sensor
www.maximintegrated.com
Maxim Integrated │ 4
1-Wire Timing Diagrams