Datasheet

Serial Number i
Button
RESISTOR MASTER
RESISTOR MASTER
RESISTOR MASTER DS1990A
ε
ε
δ
V
PUP
V
IHMASTER
V
IHMIN
V
ILMAX
0V
t
F
V
PUP
V
IHMASTER
V
IHMIN
V
ILMAX
0V
t
F
V
PUP
V
IHMASTER
V
IHMIN
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 7. Read/Write Timing Diagram
DS1990A
8
Maxim Integrated