Datasheet

DS2438
26 of 29
READ / WRITE TIMING DIAGRAM Figure 10
Write-One Time Slot
DS2438
SAMPLING WINDOW
60 ms £ t
SLOT
< 120 ms
1 ms £ t
LOW1
< 15 ms
1 ms £ t
REC
< ¥
Write-Zero Time Slot
DS2438
60 ms £ t
LOW0
< t
SLOT
< 120 ms
1 ms £ t
REC
< ¥
Read-Data Time Slot
60 ms £ t
SLOT
< 120 ms
1 ms £ t
LOWR
< 15 ms
0 £ t
RELEASE
< 45 ms
1 ms £ t
REC
< ¥
t
RDV
= 15 ms
t
SU
< 1ms
RESISTOR
MASTER
RESISTOR
MASTER
DS2438