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USB 2.0 Flash Drive Controller
Datasheet
SMSC USB97C242 Page 18 Revision 1.4 (05-03-07)
DATASHEET
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS
IO-U
Note 7.2
Supply Current Unconfigured I
CCINIT
85
60
mA
mA
@ V
DD,
V
DDP
= 2.5V
@ V
DDIO,
V
DDA
=
3.3V
Supply Current Active I
CC
85
60
110
70
mA
mA
@ V
DD,
V
DDP
= 2.5V
@ V
DDIO,
V
DDA
=
3.3V
Supply Current Standby I
CSBY
150
150
µA
@ V
DD,
V
DDP
= 2.5V
@ V
DDIO,
V
DDA
=
3.3V
Note 7.1 Output leakage is measured with the current pins in high impedance.
Note 7.2 See Appendix A for USB DC electrical characteristics.
Note 7.3 Output leakage is valid only on pins without internal weak pull ups or pull downs.
7.1.1 Capacitance TA = 25°C; FC = 1MHz; VDD, VDDP = 2.5V
LIMITS
PARAMETER SYMBOL MIN TYP MAX UNIT TEST CONDITION
Clock Input Capacitance C
IN
20 pF
Input Capacitance C
IN
10 pF
Output Capacitance C
OUT
20 pF
All pins except USB pins
(and pins under test tied
to AC ground)