Ultra Fast USB 2.0 Multi-Format Flash Media Controller

Datasheet

SMSC USB2250/51/59

33

Revision 2.6 (05-08-08)

DATASHEET

the settings listed in Table 10.1, “USB2250/51/59 GPIO Usage (ROM Rev 0x00),” on

page 36.

Note 7.10 The 3.3V supply should be at least at 75% of its operating condition before the 1.8V supply

is allowed to ramp up.

7.4

Capacitance

Table 7.1 Pin Capacitance

PARAMETER

SYMBOL

LIMITS

UNIT

TEST CONDITION

MIN

TYP

MAX

Clock Input Capacitance

2

pF

All pins (except USB pins

and pins under test) are tied

to AC ground.

Input Capacitance

10

pF

Output Capacitance

20

pF