Datasheet

2-Port USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 1.3 (12-27-11) 18 SMSC USB2412
DATASHEET
Note 4.4 Output leakage is measured with the current pins in high impedance.
Note 4.5 See USB 2.0 Specification 1. for USB DC electrical characteristics.
O12, I/O12 &I/OSD12 Type Buffer
Low Output Level
High Output Level
Output Leakage
Hysteresis (‘SD’ pad only)
V
OL
V
OH
I
OL
V
HYSC
2.4
-10
250
0.4
+10
350
V
V
μA
mV
I
OL
= 12 mA @ VDD33
= 3.3 V
I
OH
= -12 mA @ VDD33
= 3.3 V
V
IN
= 0 to VDD33
(Note 4.1)
Supply Current Unconfigured
Hi-Speed Host
I
CCINTHS
40 45 mA
Supply Current Unconfigured
Full-Speed Host
I
CCINTFS
35 40 mA
Supply Current Configured
Hi-Speed Host, 1 downstream port
I
HCH1
60 65 mA
Supply Current Configured
Hi-Speed Host, each additional
downstream port
1 port
base
+
25 mA
1 port
base
+
25 mA
mA
Supply Current Configured
Full-Speed Host, 1 downstream port
I
FCC1
45 50 mA There is no additional
current for additional
ports.
Supply Current Configured
Full-Speed Host, each additional
downstream port
1 port
base
+
8 mA
1 port
base
+
8 mA
mA
Supply Current Suspend I
CSBY
475 1000 μA All supplies combined
Supply Current Reset I
CRST
550 1100 μA All supplies combined
Table 4.1 DC Electrical Characteristics (continued)
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS