Owner's manual

DS1990A
7 of 10
READ/WRITE TIMING DIAGRAM Figure 6
Write-One Time Slot
60 µs ≤ t
SLOT
< 120 µs
1 µs ≤ t
LOW1
< 15 µs
1 µs ≤ t
REC
< ∞
Write-Zero Time Slot
60 µs ≤ t
LOW0
< t
SLOT
< 120 µs
1 µs ≤ t
REC
< ∞
Read-Data Time Slot
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
RESISTOR
MASTER
DS1990A