S39421 View Datasheet(PDF) - Summit Microelectronics
Part Name
Description
MFG CO.
'S39421' PDF : 28 Pages View PDF
S39421
VCC5 ≥ 1V
ASSERT
RESET
OUTPUTS
SHUT OFF
VGTE5
VGTE3
DRVREN
PWR_VLD
SGNL-VLD
PND1
NO
&
PND2?
YES
NO
VSEL
HI ?
YES
NO
HOST
YES
3VOLT
OK?
HOST
NO
5V & 3V
OK?
YES
TURN-ON
VGTE5
VGTE3
DRVREN
NO
CARD 5V & 3V
OK?
YES
START
RESET
TIMER
TURN ON
PWR_VLD
tPURST
NO
TIMEOUT?
YES
RELEASE
RESETS
FIGURE 4.
TURN ON
SGNL_VLD
2024 ILL6.2
2024 9.0 8/8/00
9
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