Datasheet

High-Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i 55 Revision 1.3 (03-13-13)
DATASHEET
Note 6.1 Output leakage is measured with the current pins in high impedance.
Note 6.2 See the
USB 2.0 Specification, Chapter 7, for USB DC electrical characteristics
Note 6.3 RBIAS is a 3.3 V tolerant analog pin.
Note 6.4 Output current range is controlled by program software. The software disables the FET
during short circuit condition.
Note 6.5 Refer to the
High-Speed Inter-Chip USB Electrical Specification Revision 1.0 [2].
Note 6.6 Typical and maximum values were characterized using the following temperature ranges:
The USB4640 supports the commercial temperature range of 0°C to +70°C
The USB4640i supports the industrial temperature range of -40°C to +85°C
Integrated Power FET Set to 200 mA
Output Current (Note 6.4)I
OUT
200 mA Vdrop
FET
= 0.46 V
Short Circuit Current Limit I
SC
181 mA Vout
FET
= 0 V
On Resistance (Note 6.4)R
DSON
2.1 Ω I
FET
= 70 mA
Output Voltage Rise Time t
DSON
800 μsC
LOAD
= 10 μF
Supply Current Unconfigured (Note 6.6)
USB4640 I
CCINTHS
58 60 mA
USB4640i I
CCINTHS
58 62 mA
Supply Current Configured
1 downstream port
(Note 6.6)
USB4640 I
HCH1
155 160 mA
USB4640i I
HCH1
155 165 mA
Supply Current Configured
Each additional downstream port
(Note 6.6)
USB4640 30 35 mA
USB4640i 30 40 mA
HSIC_DAT, HSIC_STROBE
Driver Impedance
I
D
40 46 60 Ω (Note 6.5)
Supply Current Suspend (Note 6.6)
USB4640 I
CSBY
210 375 µA
USB4640i I
CSBY
210 450 µA
Supply Current Reset (Note 6.6)
USB4640 I
RST
220 400 µA
USB4640i I
RST
220 500 µA
PARAMETER
SYMBO
L MIN TYP MAX UNITS COMMENTS