Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 2.3 (06-11-13) 48 SMSC USB251xB/xBi
DATASHEET
Figure 6.1 Supply Rise Time Model
Voltage on any I/O pin -0.3 5.5 V If any 3.3 V supply voltage drops
below 3.0 V, then the MAX
becomes:
(3.3 V supply voltage) + 0.5
Voltage on XTALIN -0.3 VDD33 V
Table 6.1 DC Electrical Characteristics
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS
I, IS Type Input Buffer
Low Input Level V
ILI
0.8 V TTL Levels
High Input Level V
IHI
2.0 V
Input Leakage I
IL
-10 +10 μAV
IN
= 0 to VDD33
Hysteresis (IS only) V
HYSI
250 350 mV
Input Buffer with Pull-Up (IPU)
Low Input Level V
ILI
0.8 V TTL Levels
High Input Level V
IHI
2.0 V
Low Input Leakage I
ILL
+35 +90 μAV
IN
= 0
High Input Leakage I
IHL
-10 +10 μAV
IN
= VDD33
PARAMETER SYMBOL MIN MAX UNITS COMMENTS
t
10%
10%
90%
Voltage
t
RT33
t
90%
Time
100%
3.3 V
VSS
VDD33