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High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i 59 Revision 1.0 (06-01-09)
DATASHEET
O12, I/O12, and I/O12PD
Type Buffers
Low Output Level
High Output Level
Output Leakage
Pull Down
Pull Up
V
OL
V
OH
I
OL
PD
PU
V
DD33
- 0.4
-10
72
58
0.4
+10
V
V
µA
μA
μA
I
OL
= 12 mA @
VDD33 = 3.3 V
I
OH
= -12 mA @
VDD33 = 3.3 V
V
IN
= 0 to VDD33
(Note 10.1)
IO-U Note 10.2
I-R Note 10.3
I/O200 Integrated Power FET for
GPIO10
High Output Current
Low Output Current
(Note 10.4)
On Resistance
(Note 10.4)
Output Voltage Rise Time
I
OUT
I
OUT
R
DSON
t
DSON
200
100
2.1
800
mA
mA
Ω
μs
Vdrop
FET
= 0.46 V
Vdrop
FET
= 0.23 V
I
FET
= 70 mA
C
LOAD
= 10 μF
Integrated Power FET Set to 100 mA
Output Current (Note 10.4)
Short Circuit Current Limit
On Resistance (Note 10.4)
Output Voltage Rise Time
I
OUT
I
SC
R
DSON
t
DSON
100
140
2.1
800
mA
mA
Ω
μs
Vdrop
FET
= 0.22 V
Vout
FET
= 0 V
I
FET
= 70 mA
C
LOAD
= 10 μF
Integrated Power FET Set to 200 mA
Output Current (Note 10.4)
Short Circuit Current Limit
On Resistance (Note 10.4)
Output Voltage Rise Time
I
OUT
I
SC
R
DSON
t
DSON
200
181
2.1
800
mA
mA
Ω
μ
s
Vdrop
FET
= 0.46 V
Vout
FET
= 0 V
I
FET
= 70 mA
C
LOAD
= 10 μF
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS