FDC37B78X 查看數據表（PDF） - SMSC -> Microchip

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FDC37B78X

Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

SMSC -> Microchip 

POWER-UP TIMING

t1

Vcc

A ll H o s t

Accesses

t2

t3

FIGURE 8 - POWER-UP TIMING

NAME

TABLE 88 - POWER-UP TIMING

DESCRIPTION

MIN

TYP

t1 Vcc Slew from 4.5V to 0V

300

t2 Vcc Slew from 0V to 4.5V

100

t3 All Host Accesses After Powerup (Note 1)

125

Note 1: Internal write-protection period after Vcc passes 4.5 volts on power-up

MAX

500

UNITS

µs

µs

µs

226

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