SI8233 Datasheet, PDF (22/57 Pages) Silicon Laboratories – 0.5 AND 4.0 AMP ISODRIVERS

Si823x
Table 10. Si823x Family Truth Table¹ (Continued)
Si8232/5/6/7/8 (Dual Driver) Truth Table
Inputs
Output
VDDI State Disable
VIA VIB
VOA VOB
Notes
L
L
Powered
L
L
H
Powered
L
H
L
Powered
L
L
L
Output transition occurs immediately
(no internal dead time).
L
H
Output transition occurs immediately
(no internal dead time).
H
L
Output transition occurs immediately
(no internal dead time).
H
H
Powered
L
H
H
Output transition occurs immediately
(no internal dead time).
X²
X² Unpowered X
L
L
Output returns to input state within 7 µs of VDDI
power restoration.
X
X
Powered
H
L
L Device is disabled.
Notes:
1. This truth table assumes VDDA and VDDB are powered. If VDDA and VDDB are below UVLO, see "3.7.2.
Undervoltage Lockout" on page 26 for more information.
2. Note that an input can power the input die through an internal diode if its source has adequate current.
22
Rev. 1.7