Datasheet

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MAX31826
1-Wire Digital Temperature Sensor
with 1Kb Lockable EEPROM
Figure 11. Read/Write Time Slot Timing Diagram
Figure 12. Detailed Master Read-One Timing
V
PU
1-Wire BUS
START
OF SLOT
START
OF SLOT
60µs < Tx “0” < 120µs
1µs < t
REC
< ∞
1µs < t
REC
< ∞
> 1µs
> 1µs
MASTER SAMPLES
MASTER SAMPLES
> 1µs
15µs 15µs 30µs
MASTER WRITE-ZERO SLOT
MAX31826 SAMPLES
MIN MAXTYP
MAX31826 SAMPLES
MIN MAXTYP
MASTER WRITE-ONE SLOT
MASTER READ-ZERO SLOT MASTER READ-ONE SLOT
GND
V
PU
1-Wire BUS
GND
15µs 45µs 15µs
15µs 15µs 30µs
BUS MASTER PULLING LOW MAX31826 PULLING LOW RESISTOR PULLUP
V
IH
OF MASTER
MASTER SAMPLES
V
PU
1-Wire BUS
GND
15µs
t
INIT
> 1µs t
RC
BUS MASTER PULLING LOW RESISTOR PULLUP