High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i
61
Revision 1.0 (06-01-09)
DATASHEET
10.4
Capacitance
T
A
=
25°C
;
fc = 1 MHz
;
VDD33
=
3.3 V
Table 10.1 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