SI8410BB-D-IS Datasheet, PDF (19/30 Pages) Silicon Laboratories – LOW-POWER SINGLE AND DUAL-CHANNEL DIGITAL ISOLATORS

Si8410/20/21
2.3. Device Operation
Device behavior during start-up, normal operation, and shutdown is shown in Table 12.
Table 12. Si84xx Logic Operation Table
V_I Input^1,4 VDDI State^1,2,3 VDDO State^1,2,3 V_O Output^1,4
Comments
H
P
L
P
P
H
Normal operation.
P
L
X⁵
UP
P
Upon transition of VDDI from unpowered to pow-
L
ered, V_O returns to the same state as V_I in less
than 1 µs.
ed ^X5
P
Upon transition of VDDO from unpowered to pow-
UP
Undetermined _{ered, VO returns to the same state as VI within}
1 µs.
d Notes:
1. VDDI and VDDO are the input and output power supplies. V_I and V_O are the respective input and output terminals.
n _{s 2. Powered (P) state is defined as 2.70 V < VDD < 5.5 V.}
e ^{3. Unpowered (UP) state is defined as VDD = 0 V.}
n _{4. X = not applicable; H = Logic High; L = Logic Low.}
Not ^{Rfoer cNoemwmDesig 5. Note that an I/O can power the die for a given side through an internal diode if its source has adequate current.}
Rev. 1.5
19