DS1992/DS1993/DS1994
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INITIALIZATION PROCEDURE “RESET AND PRESENCE PULSES” Figure 10
480µs ≤ t
RSTL
< ∞ *
480µs ≤ t
RSTH
< ∞ (includes recovery time)
15µs ≤ t
PDH
< 60 µs
60µs ≤ t
PDL
< 240 µs
* In order not to mask interrupt signaling by other devices on the 1-Wire bus, t
RSTL
+ t
R
should always be
less than 960 µs.
READ/WRITE TIMING DIAGRAM Figure 11
Write-One Time Slot
60 µs ≤ t
SLOT
< 120 µs
1µs ≤ t
LOW1
< 15 µs
1µs ≤ t
REC
< ∞
MASTER
DS199x
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