Datasheet

DS1992/DS1993
14 of 17
Figure 11. READ/WRITE TIMING DIAGRAM (continued)
Write-Zero Time Slot
15µs
RESISTOR
MASTER
DS199x
60µs
t
LOW0
Sampling Window
60 µs
≤
t
LOW0
< t
SLOT
< 120 µs
1 µs
≤
t
REC
<
∞
V
PULLUP
V
PULLUP MIN
V
IH MIN
V
IL MAX
0V
t
SLOT
t
REC
Read-Data Time Slot
RESISTOR
MASTER
DS199
x
Master
Sampling Window
60 µs
≤
t
SLOT
< 120 µs
1 µs
≤
t
LOWR
< 15 µs
0
≤
t
RELEASE
< 45 µs
1 µs
≤
t
REC
<
∞
t
RDV
= 15 µs
t
SU
< 1 µs
V
PULLUP
V
PULLUP MIN
V
IH MIN
V
IL MAX
0V
t
SLOT
t
REC
t
LOWR
t
SU
t
RDV
t
RELEASE