Datasheet

1-Wire 4Kb EEPROM
voltage on the data line should not exceed V
ILMAX
dur-
ing the entire t
W0L
or t
W1L
window. After the V
TH
thresh-
old has been crossed, the DS24B33 needs a recovery
time t
REC
before it is ready for the next time slot.
RESISTOR MASTER
RESISTOR MASTER
RESISTOR MASTER DS24B33
ε
ε
δ
V
PUP
V
IHMASTER
V
TH
V
TL
V
ILMAX
0V
t
F
V
PUP
V
IHMASTER
V
TH
V
TL
V
ILMAX
0V
t
F
V
PUP
V
IHMASTER
V
TH
V
TL
V
ILMAX
0V
t
F
t
SLOT
t
W1L
t
REC
t
SLOT
t
SLOT
t
W0L
t
REC
MASTER
SAMPLING
WINDOW
t
RL
t
MSR
WRITE-ONE TIME SLOT
WRITE-ZERO TIME SLOT
READ-DATA TIME SLOT
Figure 11. Read/Write Timing Diagrams
18
Maxim Integrated
DS24B33