Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251xB/xBi 51 Revision 2.2 (02-17-12)
DATASHEET
Note 6.1 Output leakage is measured with the current pins in high impedance.
Note 6.2 See USB 2.0 Specification [1] for USB DC electrical characteristics.
Input Buffer with Pull-Down (IPD)
Low Input Level V
ILI
0.8 V TTL Levels
High Input Level V
IHI
2.0 V
Low Input Leakage I
ILL
+10 -10 μAV
IN
= 0
High Input Leakage I
IHL
-35 -90 μAV
IN
= VDD33
USB251xB/xBi
ICLK Input Buffer
Low Input Level V
ILCK
0.3 V
High Input Level V
IHCK
0.9 V
Input Leakage I
IL
-10 +10 μAV
IN
= 0 to VDD33
O12, I/O12 & I/OSD12 Type Buffer
Low Output Level V
OL
0.4 V I
OL
= 12 mA @
VDD33 = 3.3 V
High Output Level V
OH
2.4 V I
OH
= -12 mA @
VDD33 = 3.3 V
Output Leakage I
OL
-10 +10 μA
Hysteresis (SD pad only) I
HYSC
250 350 mV V
IN
= VDD33
(Notes:)
Table 6.2 Supply Current Unconfigured: Hi-Speed Host (I
CCINTHS
)
PART MIN TYP MAX UNITS COMMENTS
USB2512B/12Bi 40 45 mA
USB2513B/13Bi 40 45 mA
USB2514B/14Bi 45 50 mA
Table 6.1 DC Electrical Characteristics (continued)
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS