Data Sheet

V
CC
V
PORR
V
PORF
Time
POR
Time
24
TCA9548A
SCPS207F MAY 2012REVISED NOVEMBER 2016
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V
POR
is critical to the power-on reset. V
POR
is the voltage level at which the reset condition is released and all the
registers and the I
2
C/SMBus state machine are initialized to their default states. The value of V
POR
differs based
on the V
CC
being lowered to or from 0. Figure 19 and Table 3 provide more details on this specification.
Figure 19. V
POR