
ISL88021, ISL88022
3.3V RISING EDGE 100ms/DIV
ISL88022 tPOR = 150ms
CPOR = OPEN
ISL88021 tPOR = 390ms
CPOR = 10pF
FIGURE 6. ISL88021_22EVAL1 tPOR COMPARISON
Operational Timing Diagrams
VDD
VTH1
1V
V2MON or V3MON
(ISL88021)
MR
RST
tPOR
tRPD
tPOR
VTH2 or VREF
>tMR
tRPD
tPOR
tPOR
RST
FIGURE 7. ISL88021 AND ISL88022 TIMING DIAGRAM
<tMD
6
FN8226.1
September 18, 2006