SMSC USB2242 - Manual (Page 20)

Ultra Fast USB 2.0 Memory Stick Flash Media Controller
Datasheet
Revision 1.0 (05-27-08) 20 SMSC USB2242/USB2242i
DATASHEET
the settings listed in Table 10.1, “USB2242/USB2242i GPIO Usage (ROM Rev 0x00),” on
page 23 .
Note 7.9 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
T
A
= 25°C; fc = 1MHz; V
DD,
V
DDP
= 1.8V
Table 7.1 Pin Capacitance
PARAMETER SYMBOL
LIMITS
UNIT TEST CONDITION MIN TYP MAX
Clock Input Capacitance C
XTAL
2 pF All pins (except USB pins
and pins under test) are tied
to AC ground.
Input Capacitance C
IN
10 pF
Output Capacitance C
OUT
20 pF