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USB 2.0 Hi-Speed 2-Port Hub Controller
Datasheet
Revision 1.96 (07-11-08) 34 SMSC USB2512A
DATASHEET
Notes:
1. Output leakage is measured with the current pins in high impedance.
2. See USB 2.0 Specification for USB DC electrical characteristics.
ICLK Input Buffer
Low Input Level
High Input Level
Input Leakage
V
ILCK
V
IHCK
I
IL
1.4
-10
0.5
+10
V
V
uA
V
IN
= 0 to V
DD33
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
uA
mV
I
OL
= 12mA @ V
DD33
= 3.3V
I
OH
= -12mA @ V
DD33
= 3.3V
V
IN
= 0 to V
DD33
(Note 1)
IO-U
(Note 2)
Supply Current
Unconfigured
Hi-Speed Host
Full-Speed Host
I
CCINTHS
I
CCINITFS
75
65
85
75
mA
mA
Supply Current
Configured
(Hi-Speed Host)
1 Port HS, 1 Port LS/FS
2 Ports @ LS/FS
2 Ports @ HS
I
HCH1C1
I
HCC2
I
HCH2
115
105
125
130
125
180
mA
mA
mA
All supplies combined
Supply Current
Configured
(Full-Speed Host)
1 Port
2 Ports
I
FCC1
I
FCC2
95
95
115
115
mA
mA
All supplies combined
Supply Current
Suspend
I
CSBY
300 400 μA All supplies combined
Supply Current
Reset
I
CRST
100 180 μA All supplies combined
Table 5.1 DC Electrical Characteristics (continued)
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS